gcc/ChangeLog

   1 2017-06-23  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
   2
   3         * config/rs6000/rs6000-string.c: (expand_block_clear,
   4         do_load_for_compare, select_block_compare_mode,
   5         compute_current_alignment, expand_block_compare,
   6         expand_strncmp_align_check, expand_strn_compare,
   7         expand_block_move, rs6000_output_load_multiple)
   8         Move functions related to string/block move/compare
   9         to a separate file.
  10         * config/rs6000/rs6000.c: Move above functions to rs6000-string.c.
  11         * config/rs6000/rs6000-protos.h (rs6000_emit_dot_insn): Add prototype
  12         for this function which is now used in two files.
  13         * config/rs6000/t-rs6000: Add rule to compile rs6000-string.o.
  14         * config.gcc: Add rs6000-string.o to extra_objs for
  15         targets powerpc*-*-* and rs6000*-*-*.
  16
  17 2017-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
  18
  19         PR target/80510
  20         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Do not allow DImode in
  21         32-bit, since indexed is not valid for DImode.
  22         (mov<mode>_hardfloat32): Reorder ISA 2.07 load/stores before ISA
  23         3.0 d-form load/stores to be the same as mov<mode>_hardfloat64.
  24         (define_peephole2 for Altivec d-form load): Add 32-bit support.
  25         (define_peephole2 for Altivec d-form store): Likewise.
  26
  27         PR ipa/81185
  28         * multiple_target.c (create_dispatcher_calls): Only create the
  29         dispatcher call if the function is the default clone of a
  30         versioned function.
  31
  32 2017-06-23  Segher Boessenkool  <segher@kernel.crashing.org>
  33
  34         PR middle-end/80902
  35         * builtins.c (expand_builtin_atomic_fetch_op): If emitting code after
  36         a call, force the call to not be a tail call.
  37
  38 2017-06-23  Jeff Law  <law@redhat.com>
  39
  40         * doc/contrib.texi: Add entry for Steven Pemberton's work on
  41         enquire.
  42
  43 2017-06-23  Will Schmidt  <will_schmidt@vnet.ibm.com>
  44
  45         * config/rs6000/rs6000.c: Add include of ssa-propagate.h for
  46         update_call_from_tree().  (rs6000_gimple_fold_builtin): Add
  47         handling for early expansion of vector shifts (sl,sr,sra,rl).
  48         (builtin_function_type): Add vector shift right instructions
  49         to the unsigned argument list.
  50
  51 2017-06-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
  52
  53         rtl-optimizatoin/79286
  54         * ira.c (update_equiv_regs): Revert to using may_trap_or_fault_p again.
  55         * rtlanal.c (rtx_addr_can_trap_p_1): SYMBOL_REF_FUNCTION_P can never
  56         trap.  PIC register plus a const unspec without offset can never trap.
  57
  58 2017-06-23  Marc Glisse  <marc.glisse@inria.fr>
  59
  60         * tree.h (builtin_structptr_type): New type.
  61         (builtin_structptr_types): Declare new array.
  62         * tree.c (builtin_structptr_types): New array.
  63         (free_lang_data, build_common_tree_nodes): Use it.
  64
  65 2017-06-23  Jonathan Wakely  <jwakely@redhat.com>
  66
  67         PR c++/81187
  68         * doc/invoke.texi (-Wnoexcept-type): Fix name of option, from
  69         -Wnoexcept.
  70
  71 2017-06-22  Matt Turner  <mattst88@gmail.com>
  72
  73         * config/i386/driver-i386.c (host_detect_local_cpu): Add Kaby
  74         Lake models to skylake case.  Assume skylake for unknown
  75         models with clflushopt.
  76
  77 2017-06-22  Jeff Law  <law@redhat.com>
  78
  79         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Handle
  80         frame sizes that do not satisfy aarch64_uimm12_shift.
  81
  82 2017-06-22  Jan Hubicka <hubicka@ucw.cz>
  83
  84         * profile-count.h (apply_probability,
  85         apply_scale, probability_in): Fix checks for zero.
  86
  87 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  88
  89         * incpath.c (add_sysroot_to_chain): Allow for $SYSROOT prefix.
  90         * doc/cppdiropts.texi (-I @var{dir}): Document it.
  91
  92 2016-06-22  Richard Biener  <rguenther@suse.de>
  93
  94         * tree-vect-loop.c (vect_model_reduction_cost): Handle
  95         COND_REDUCTION and INTEGER_INDUC_COND_REDUCTION without
  96         REDUC_MAX_EXPR support.
  97         (vectorizable_reduction): Likewise.
  98         (vect_create_epilog_for_reduction): Likewise.
  99
 100 2017-06-22  James Greenhalgh  <james.greenhalgh@arm.com>
 101
 102         * match.pd (A / (1 << B) -> A >> B): New.
 103         * generic-match-head.c: Include optabs-tree.h.
 104         * gimple-match-head.c: Likewise.
 105         * optabs-tree.h (target_supports_op_p): New.
 106         * optabs-tree.c (target_supports_op_p): New.
 107
 108 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 109
 110         * configure.ac (gcc_cv_ld_static_dynamic): Also check stderr for
 111         $gcc_cv_ld --help output.
 112         (gcc_cv_ld_demangle): Likewise.
 113         (gcc_cv_ld_eh_frame_hdr): Likewise.
 114         (gcc_cv_ld_pie): Likewise.
 115         (gcc_cv_ld_as_needed): Likewise.  Prefer native forms unless $gnu_ld.
 116         (gcc_cv_ld_buildid): Likewise.
 117         (gcc_cv_ld_sysroot): Likewise.
 118         (ld_bndplt_support): Likewise.
 119         (ld_pushpopstate_support): Likewise.
 120         * configure: Regenerate.
 121         * config/sol2.h [!USE_GLD] (SYSROOT_SPEC): Define.
 122
 123 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
 124
 125         PR target/81151
 126         * config/i386/sse.md (round<mode>2): Renumber match_dup and
 127         operands indexes to avoid gap between operands and match_dups.
 128
 129 2017-06-21  Andrew Pinski  <apinski@cavium.com>
 130
 131         * config/aarch64/aarch64-cost-tables.h (thunderx_extra_costs):
 132         Increment Arith_shift and Arith_shift_reg by 1.
 133         * config/aarch64/aarch64-tuning-flags.def (cheap_shift_extend):
 134         New tuning flag.
 135         * config/aarch64/aarch64.c (thunderx_tunings): Enable
 136         AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
 137         (aarch64_strip_extend): Add new argument and test for it.
 138         (aarch64_cheap_mult_shift_p): New function.
 139         (aarch64_rtx_mult_cost): Call aarch64_cheap_mult_shift_p and don't
 140         add a cost if it is true.
 141         Update calls to aarch64_strip_extend.
 142         (aarch64_rtx_costs): Update calls to aarch64_strip_extend.
 143
 144 2017-06-21  Andrew Pinski  <apinski@cavium.com>
 145
 146         * config/aarch64/aarch64-cores.def (thunderxt88p1): Use thunderxt88
 147         tunings.
 148         (thunderxt88): Likewise.
 149         * config/aarch64/aarch64.c (thunderxt88_prefetch_tune): New variable.
 150         (thunderx_prefetch_tune): New variable.
 151         (thunderx2t99_prefetch_tune): Update for the correct values.
 152         (thunderxt88_tunings): New variable.
 153         (thunderx_tunings): Use thunderx_prefetch_tune instead of
 154         generic_prefetch_tune.
 155         (thunderx2t99_tunings): Use AUTOPREFETCHER_WEAK.
 156
 157 2017-06-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 158
 159         * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>_lse,
 160         SHORT): Relax operand 3 to aarch64_reg_or_zero and constraint to Z.
 161         (aarch64_compare_and_swap<mode>_lse, GPI): Likewise.
 162         (aarch64_atomic_cas<mode>, SHORT): Likewise for operand 2.
 163         (aarch64_atomic_cas<mode>, GPI): Likewise.
 164
 165 2017-06-21  Martin Liska  <mliska@suse.cz>
 166
 167         * gimplify.c (gimplify_label_expr): Insert GIMPLE_PREDICT
 168         statements on cold and hot labels.
 169         * predict.c (tree_estimate_probability_bb): Remove the
 170         prediction from this place.
 171
 172 2017-06-21  Martin Liska  <mliska@suse.cz>
 173
 174         PR tree-optimization/79489
 175         * gimplify.c (maybe_add_early_return_predict_stmt): New
 176         function.
 177         (gimplify_return_expr): Call the function.
 178         * predict.c (tree_estimate_probability_bb): Remove handling
 179         of early return.
 180         * predict.def: Update comment about early return predictor.
 181         * gimple-predict.h (is_gimple_predict): New function.
 182         * predict.def: Change default value of early return to 66.
 183         * tree-tailcall.c (find_tail_calls): Skip GIMPLE_PREDICT
 184         statements.
 185         * passes.def: Put pass_strip_predict_hints to the beginning of
 186         IPA passes.
 187
 188 2017-06-21  Pierre-Marie de Rodat  <derodat@adacore.com>
 189
 190         * dwarf2out.c (gen_decl_die): Remove the guard to skip file-scope
 191         FUNCTION_DECL declarations.
 192         (dwarf2out_early_global_decl): Remove the guard to skip FUNCTION_DECL
 193         declarations.
 194         (dwaf2out_decl): Likewise.
 195         * godump.c (go_early_global_decl): Skip call to the real debug hook
 196         for FUNCTION_DECL declarations.
 197         * passes.c (rest_of_decl_compilation): Skip call to the
 198         early_global_decl debug hook for FUNCTION_DECL declarations, unless
 199         -fdump-go-spec is passed.
 200
 201 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
 202
 203         * config/i386/i386.c (struct builtin_isa): New field pure_p.
 204         Reorder for compactness.
 205         (def_builtin, def_builtin2, ix86_add_new_builtins): Handle pure_p.
 206         (def_builtin_pure, def_builtin_pure2): New functions.
 207         (ix86_init_mmx_sse_builtins) [__builtin_ia32_stmxcsr]: Mark as pure.
 208
 209 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
 210
 211         * match.pd (nop_convert): New predicate.
 212         ((A +- CST1) +- CST2): Allow some NOP conversions.
 213
 214 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
 215
 216         PR c++/81130
 217         * gimplify.c (omp_add_variable): Don't force GOVD_SEEN for types
 218         with ctors/dtors if GOVD_SHARED is set.
 219
 220 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
 221
 222         * config/aarch64/aarch64.md (movti_aarch64):
 223         Emit mov rather than orr.
 224         (movtf_aarch64): Likewise.
 225         * config/aarch64/aarch64-simd.md (aarch64_simd_mov):
 226         Emit mov rather than orr.
 227
 228 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
 229
 230         * config/aarch64/aarch64-simd.md (aarch64_simd_dup):
 231         Swap alternatives, make integer dup more expensive.
 232
 233 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
 234
 235         * config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
 236         Return true for non-tls symbols.
 237
 238 2017-06-21  James Greenhalgh  <james.greenhalgh@arm.com>
 239
 240         * config/aarch64/aarch64-cores.def (cortex-a55): New.
 241         (cortex-a75): Likewise.
 242         (cortex-a75.cortex-a55): Likewise.
 243         * config/aarch64/aarch64-tune.md: Regenerate.
 244         * doc/invoke.texi (-mtune): Document new values for -mtune.
 245
 246 2017-06-21  Tom de Vries  <tom@codesourcery.com>
 247
 248         * doc/sourcebuild.texi (Add Options, Features for dg-add-options): Add
 249         stack_size feature.
 250         (Effective-Target Keywords, Other attributes): Suggest using
 251         dg-add-options stack_size feature to get stack limit in stack_size
 252         effective target documentation.
 253
 254 2017-06-21  Julian Brown  <julian@codesourcery.com>
 255             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
 256
 257         * config/aarch64/aarch64-simd.md (aarch64_crypto_pmulldi)
 258         (aarch64_crypto_pmullv2di): Change type attribute to crypto_pmull.
 259         * config/aarch64/thunderx2t99.md (thunderx2t99_pmull): New
 260         reservation.
 261         * config/arm/cortex-a53.md (cortex_a53_advsimd_type): Add crypto_pmull to
 262         attribute type list for neon_multiply.
 263         * config/arm/cortex-a57.md (cortex_a57_neon_type): Add crypto_pmull to
 264         attribute type list for neon_multiply.
 265         * config/arm/crypto.md (crypto_vmullp64): Change type to crypto_pmull.
 266         * config/arm/exynos-m1.md (exynos_m1_neon_type): Add crypto_pmull to
 267         attribute type list for neon_multiply.
 268         * config/arm/types.md (crypto_pmull): Add.
 269         * config/arm/xgene1.md (xgene1_neon_pmull): Add crypto_pmull to
 270         attribute type list.
 271
 272 2017-06-20  Andreas Tobler  <andreast@gcc.gnu.org>
 273
 274         * config.gcc (armv6*-*-freebsd*): Change the target_cpu_cname to
 275         arm1176jzf-s.
 276
 277 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
 278
 279         * ira-costs.c (find_costs_and_classes): Initialize cost_classes later
 280         to make sure not to dereference a NULL cost_classes_ptr pointer.
 281
 282 2017-06-20  Carl Love  <cel@us.ibm.com>
 283
 284         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
 285         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
 286         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
 287         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
 288         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
 289         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
 290         VMULOSW): New enum "unspec" values.
 291         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
 292         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
 293         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
 294         altivec_vmulosw): New patterns.
 295         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
 296         VMULOSW): Add definitions.
 297
 298 2017-06-20  Julia Koval  <julia.koval@intel.com>
 299
 300         * config/i386/i386.c: Fix rounding expand for new pattern.
 301         * config/i386/subst.md: Fix pattern (parallel -> unspec).
 302
 303 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 304
 305         * config/aarch64/aarch64-option-extensions.def (rcpc): New.
 306         * config/aarch64/aarch64.h (AARCH64_FL_RCPC): New.
 307
 308 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 309
 310         * config/aarch64/aarch64-option-extensions.def (fp16): Fix expected
 311         feature string.
 312
 313 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 314
 315         * config/aarch64/aarch64-cores.def: Rearrange to sort by
 316         architecture, then by implementer ID.
 317         * config/aarch64/aarch64-tune.md: Regenerate.
 318
 319 2017-06-20  Richard Biener  <rguenther@suse.de>
 320
 321         PR middle-end/81097
 322         * fold-const.c (split_tree): Fold to type before negating.
 323
 324 2017-06-20  David Malcolm  <dmalcolm@redhat.com>
 325
 326         * diagnostic-show-locus.c
 327         (selftest::test_fixit_deletion_affecting_newline): New function.
 328         (selftest::diagnostic_show_locus_c_tests): Call it.
 329
 330 2017-06-20  Andreas Schwab  <schwab@suse.de>
 331
 332         PR target/80970
 333         * config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d"
 334         instead of "+d".
 335
 336 2017-06-20  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
 337
 338         * config/arm/arm-c.c (arm_cpu_builtins): New block to define
 339         __ARM_FEATURE_COPROC according to support.
 340
 341 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
 342
 343         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
 344         Rewritten to avoid overflow for > 32-bit pointers.
 345
 346         PR sanitizer/81125
 347         * ubsan.h (ubsan_encode_value): Workaround buggy clang++ parser
 348         by removing enum keyword.
 349         (ubsan_type_descriptor): Likewise.  Formatting fix.
 350
 351         PR target/81121
 352         * config/i386/i386.md (TARGET_USE_VECTOR_CONVERTS float si->{sf,df}
 353         splitter): Require TARGET_SSE2 in the condition.
 354
 355 2017-06-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
 356
 357         PR target/79799
 358         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Add support
 359         for doing vector set of SFmode on ISA 3.0.
 360         * config/rs6000/vsx.md (vsx_set_v4sf_p9): Likewise.
 361         (vsx_set_v4sf_p9_zero): Special case setting 0.0f to a V4SF
 362         element.
 363         (vsx_insert_extract_v4sf_p9): Add an optimization for inserting a
 364         SFmode value into a V4SF variable that was extracted from another
 365         V4SF variable without converting the element to double precision
 366         and back to single precision vector format.
 367         (vsx_insert_extract_v4sf_p9_2): Likewise.
 368
 369 2017-06-19  Jakub Jelinek  <jakub@redhat.com>
 370
 371         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Multiply
 372         in UWHI to avoid undefined overflow.
 373
 374         PR sanitizer/81125
 375         * ubsan.h (enum ubsan_encode_value_phase): New.
 376         (ubsan_encode_value): Change second argument to
 377         enum ubsan_encode_value_phase with default value of
 378         UBSAN_ENCODE_VALUE_GENERIC.
 379         * ubsan.c (ubsan_encode_value): Change second argument to
 380         enum ubsan_encode_value_phase PHASE from bool IN_EXPAND_P,
 381         adjust uses, for UBSAN_ENCODE_VALUE_GENERIC use just
 382         create_tmp_var_raw instead of create_tmp_var and use a
 383         TARGET_EXPR.
 384         (ubsan_expand_bounds_ifn, ubsan_build_overflow_builtin,
 385         instrument_bool_enum_load, ubsan_instrument_float_cast): Adjust
 386         ubsan_encode_value callers.
 387
 388         PR sanitizer/81111
 389         * ubsan.c (ubsan_encode_value): If current_function_decl is NULL,
 390         use create_tmp_var_raw instead of create_tmp_var, mark it addressable
 391         just by setting TREE_ADDRESSABLE on the result and use a TARGET_EXPR.
 392
 393 2017-06-19  Richard Biener  <rguenther@suse.de>
 394
 395         PR middle-end/81118
 396         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop): Clear niter
 397         estimates if we changed anything.
 398
 399 2017-06-19  Richard Biener  <rguenther@suse.de>
 400
 401         PR tree-optimization/80887
 402         * tree-ssa-sccvn.c (mprts_hook_cnt): New global.
 403         (vn_lookup_simplify_result): Allow only mprts_hook_cnt succesful
 404         simplified lookups, then reset mprts_hook.
 405         (vn_nary_build_or_lookup_1): Set mprts_hook_cnt to 9 before
 406         simplifying.
 407         (try_to_simplify): Likewise.
 408
 409 2017-06-19  Martin Liska  <mliska@suse.cz>
 410
 411         PR sanitizer/80879
 412         * gimplify.c (gimplify_switch_expr):
 413         Initialize live_switch_vars for SWITCH_BODY == STATEMENT_LIST.
 414
 415 2017-06-19  Martin Liska  <mliska@suse.cz>
 416
 417         * doc/install.texi: Document that PGO runs in 4 stages.
 418
 419 2017-06-19  Martin Liska  <mliska@suse.cz>
 420
 421         PR ipa/80732
 422         * attribs.c (make_dispatcher_decl): Do not append '.ifunc'
 423         to dispatcher function name.
 424         * multiple_target.c (replace_function_decl): New function.
 425         (create_dispatcher_calls): Redirect both edges and references.
 426
 427 2017-06-19  Jan Hubicka <hubicka@ucw.cz>
 428
 429         * profile-count.c (profile_count::dump): Dump quality.
 430         (profile_count::differs_from_p): Update for unsigned val.
 431         * profile-count.h (profile_count_quality): New enum.
 432         (profile_count): Turn m_val to 62bit unsigned, add quality tracking.
 433
 434 2017-06-19  Richard Biener  <rguenther@suse.de>
 435
 436         * tree-ssa-loop-niter.h (estimate_numbers_of_iterations): Take
 437         struct function as arg.
 438         (estimate_numbers_of_iterations): Export overload with loop arg.
 439         (free_numbers_of_iterations_estimates_loop): Use an overload of
 440         free_numbers_of_iterations_estimates instead.
 441         * tree-cfg.c (remove_bb): Adjust.
 442         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Likewise.
 443         * tree-parloops.c (gen_parallel_loop): Likewise.
 444         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
 445         Likewise.
 446         (tree_unroll_loops_completely): Likewise.
 447         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
 448         Use an overload instead and export.
 449         (estimated_loop_iterations): Adjust.
 450         (max_loop_iterations): Likewise.
 451         (likely_max_loop_iterations): Likewise.
 452         (estimate_numbers_of_iterations): Take struct function as arg
 453         and adjust.
 454         (loop_exits_before_overflow): Adjust.
 455         (free_numbers_of_iterations_estimates_loop): Use an overload.
 456         * tree-vect-loop.c (vect_analyze_loop_form): Adjust.
 457         * tree-vectorizer.c (vect_free_loop_info_assumptions): Likewise.
 458
 459 2017-06-19  Richard Biener  <rguenther@suse.de>
 460
 461         PR ipa/81112
 462         * ipa-prop.c (find_constructor_constant_at_offset): Handle
 463         RANGE_EXPR conservatively.
 464
 465 2017-06-16  Carl Love  <cel@us.ibm.com>
 466
 467         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
 468         definitions for vec_float, vec_float2, vec_floato,
 469         vec_floate built-ins.
 470         * config/rs6000/vsx.md (define_c_enum "unspec"): Add RTL code
 471         for instructions vsx_xvcvsxws vsx_xvcvuxwsp, float2, floato and
 472         floate.
 473         * config/rs6000/rs6000-builtin.def (FLOAT2_V2DI, FLOATE_V2DF,
 474         FLOATE_2DI, FLOATO_V2DF, FLOATEE_V2DI, XVCVSXWSP_V4SF,
 475         UNS_FLOATO_V2DI, UNS_FLOATE_V2DI): Add definitions.
 476         * config/altivec.md (define_insn "p8_vmrgew_<mode>",
 477         define_mode_attr VF_sxddp): Add V4SF type to p8_vmrgew.
 478         * config/rs6000/altivec.h (vec_float, vec_float2, vec_floate,
 479         vec_floato): Add builtin defines.
 480         * doc/extend.texi (vec_float, vec_float2, vec_floate, vec_floato):
 481         Update the built-in documentation file for the new built-in
 482         functions.
 483
 484 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 485
 486         * config/arm/arm.opt (marm): Mark as the negative of of -mthumb.
 487         (mthumb): Mark as the negative of -marm.
 488
 489 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 490
 491         * doc/invoke.texi (ARM Options, -mcpu): Document supported
 492         extension options.
 493         (ARM Options, -mtune): Document that this accepts the same
 494         extension options as -mcpu.
 495         (ARM Options, -mfpu): Document addition of -mfpu=auto.
 496
 497 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 498
 499         * doc/invoke.texi (ARM Options, -march=): Document new syntax and
 500         permitted extensions.
 501
 502 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 503
 504         * config/arm/arm-cpus.in (armv7): Add extension +nofp.
 505         (armv7-r): Add aliases vfpv3xd and vfpv3-d16.
 506         (armv8-m.main): Add option +nodsp.
 507         * config/arm/arm-cpu-cdata.h: Regenerated.
 508
 509 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 510
 511         * config/arm/t-fuchsia: New file.
 512         * config.gcc (arm*-*-fuchsia*): Use it.
 513
 514 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 515
 516         * config/arm/t-symbian: Rewrite for new option infrastructure.
 517
 518 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 519
 520         * config/arm/t-phoenix (MULTILIB_REUSE): Clear variable.
 521         (MULTILIB_REQUIRED): Likewise.
 522
 523 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 524
 525         * config/arm/t-linux-eabi (MULTILIB_EXCEPTIONS): Set to empty.
 526         (MULTILIB_RESUE): Likewise.
 527         (MULTILIB_MATCHES): Likewise.
 528         (MULTLIB_REQUIRED): Likewise.
 529
 530 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 531
 532         * config/arm/t-rtems: Rewrite for new option framework.
 533
 534 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 535
 536         * config/arm/t-aprofile (v7_a_nosimd_variants, v7_a_simd_variants)
 537         (v7ve_nosimd_variatns, v7ve_vfpv3_simd_variants)
 538         (v7ve_vfpv4_simd_variants, v8_a_nosimd_variants, v8_a_simd_variants)
 539         (v8_1_a_simd_variants, v8_2_a_simd_variants): Move to ...
 540         * config/arm/t-multilib: ... here.
 541         (MULTILIB_OPTIONS): Add armv7 and armv7+fp architectures.
 542         (MULTILIB_MATCHES): Use armv7 libraries for armv7-r.  Also use for
 543         armv7-a and armv8*-a when A-profile libraries have not been built.
 544         * config/arm/t-rmprofile: Rewrite.
 545
 546 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 547
 548         * genmultilib (multilib_reuse): Allow an explicit period to be escaped
 549         with a backslash.  Remove the backslash after substituting unescaped
 550         periods.
 551         * doc/fragments.texi (MULTILIB_REUSE): Document it.
 552
 553 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 554
 555         * config.gcc: (arm*-*-*): When building a-profile libraries, force
 556         the driver to pass through the default setting of -mfloat-abi.
 557         * common/config/arm/arm-common.c (arm_target_thumb_only): Return -marm
 558         rather than NULL.
 559         * config/arm/t-multilib (MULTILIB_REUSE): Initialize to empty.
 560         (all_feat_combs): New rule.
 561         (MULTILIB_OPTIONS): Use explicit ARM and Thumb directories.  Rework
 562         default libraries.
 563         * config/arm/t-aprofile: Rewrite.
 564
 565 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 566
 567         * config/arm/arm.h (FPUTYPE_AUTO): Define.
 568         * config/arm/arm.c (arm_option_override): Use FPUTYPE_AUTO if the
 569         fpu is not specified by the user/command-line.
 570         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Delete.
 571         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Delete.
 572         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Delete.
 573         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Delete.
 574         * common/config/arm/arm-common.c (arm_canon_arch_option): Use
 575         FPUTYPE_AUTO insted of FPUTYPE_DEFAULT.
 576
 577 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 578
 579         * config/arm/elf.h (MULTILIB_DEFAULTS): Delete.
 580         * config/arm/t-arm-elf: Rewritten.
 581
 582 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 583
 584         * config/arm/arm.h (TARGET_HARD_FLOAT): Also check that we
 585         have some floating-point instructions.
 586         (TARGET_SOFT_FLOAT): Define as inverse of TARGET_HARD_FLOAT.
 587         (TARGET_MAYBE_HARD_FLOAT): New macro.
 588         * config/arm/arm-builtins.c (arm_init_builtins): Use
 589         TARGET_MAYBE_HARD_FLOAT.
 590         * config/arm/arm.c (arm_option_override): Use TARGET_HARD_FLOAT_ABI.
 591
 592 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 593
 594         * common/config/arm/arm-common.c: Define INCLUDE_LIST.
 595         (configargs.h): Include it.
 596         (arm_print_hint_for_fpu_option): New function.
 597         (arm_parse_fpu_option): New function.
 598         (candidate_extension): New class.
 599         (arm_canon_for_multilib): New function.
 600         * config/arm/arm.h (CANON_ARCH_SPEC_FUNCTION): New macro.
 601         (EXTRA_SPEC_FUNCTIONS): Add CANON_ARCH_SPEC_FUNCTION.
 602         (ARCH_CANONICAL_SPECS): New macro.
 603         (DRIVER_SELF_SPECS): Add ARCH_CANONICAL_SPECS.
 604
 605 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 606
 607         * config.gcc (arm*-*-*): Ensure both target_cpu_cname and with_cpu
 608         are set after handling multilib fragments.  Set target_cpu_default2
 609         from with_cpu.
 610
 611 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 612
 613         * config.gcc (arm*-*-fucshia*): Set target_cpu_cname to the real
 614         cpu name.
 615         (arm*-*-*): Set target_cpu_default2 to a quoted string.
 616         * config/arm/parsecpu.awk (check_cpu): Validate any extension
 617         options.
 618         (check_arch): Likewise.
 619         * config/arm/arm.c (arm_configure_build_target): Handle
 620         TARGET_CPU_DEFAULT being a string constant.  Scan any feature
 621         options in the default.
 622
 623 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 624
 625         * config/arm/arm-protos.h (cpu_arch_extension): Add field to record
 626         when an option is an alias of another.
 627         * config/arm/parsecpu.awk (optalias): New parser token.
 628         (gen_comm_data): Mark non-alias options as such.  Emit entries
 629         for extension aliases.
 630         * config/arm/arm-cpus.in (armv5e): Make vfpv2 an alias.
 631         (armv5te, armv5tej, armv6, armv6j, armv6k, armv6z): Likewise.
 632         (armv6kz, armv6zk, armv6t2): Likewise.
 633         (armv7): Make vfpv3-d16 an alias.
 634         (armv7-a): Make vfpv3-d16, neon and neon-vfpv3 aliases.  Sort in
 635         canonical order.
 636         (armv7ve): Make vfpv4-d16, neon-vfpv3 and neon-vfpv4 aliases.
 637         Sort in canonical order.
 638         (armv8-a): Sort in canonical order.
 639         (armv8.1-a, armv8.2-a):  Likewise.
 640         (generic-armv7-a): Make neon and neon-vfpv3 aliases.  Sort in
 641         canonical order.
 642         (cortex-a9): Sort in canonical order.
 643         * config/arm/arm.c (selftests.h): Include it.
 644         (arm_test_cpu_arch_data): New function.
 645         (arm_run_self_tests): New function.
 646         (TARGET_RUN_TARGET_SELFTESTS): Redefine.
 647         (targetm): Move declaration to the end of the file.
 648         * arm-cpu-cdata.h: Regenerated.
 649
 650 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 651
 652         * config/arm/arm.h (TARGET_MODE_SPECS): Add additional parameter to
 653         call to target_mode_check describing the type of option passed.
 654         * common/config/arm/arm-common.c (arm_arch_core_flag): Delete.
 655         (arm_target_thumb_only): Use arm_parse_arch_option_name or
 656         arm_parse_cpu_option_name to match parameters against list of
 657         available targets.
 658         * config/arm/parsecpu.awk (gen_comm_data): Don't generate
 659         arm_arch_core_flags data structure.
 660         * config/arm/arm-cpu_cdata.h: Regenerated.
 661
 662 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 663
 664         * common/config/arm/arm-common.c (arm_initialize_isa): Moved here from
 665         config/arm/arm.c.
 666         (arm_print_hint_for_cpu_option): Likewise.
 667         (arm_print_hint_for_arch_option): Likewise.
 668         (arm_parse_cpu_option_name): Likewise.
 669         (arm_parse_arch_option_name): Likewise.
 670         * config/arm/arm.c (arm_identify_fpu_from_isa): Use the computed number
 671         of entries in the all_fpus list.
 672         * config/arm/arm-protos.h (all_architectures, all_cores): Declare.
 673         (arm_parse_cpu_option_name): Declare.
 674         (arm_parse_arch_option_name): Declare.
 675         (arm_parse_option_features): Declare.
 676         (arm_intialize_isa): Declare.
 677         * config/arm/parsecpu.awk (gen_data): Move CPU and architecture
 678         data tables to ...
 679         (gen_comm_data): ... here.  Make definitions non-static.
 680         * config/arm/arm-cpu-data.h: Regenerated.
 681         * config/arm/arm-cpu-cdata.h: Regenerated.
 682
 683 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 684
 685         * config/arm/arm-protos.h (arm_build_target): Remove arch_core.
 686         (cpu_arch_extension): New structure.
 687         (cpu_arch_option, arch_option, cpu_option): New structures.
 688         * config/arm/parsecpu.awk (gen_headers): Build an enumeration of
 689         architecture types.
 690         (gen_data): Generate new format data tables.
 691         * config/arm/arm.c (cpu_tune): New structure.
 692         (cpu_option, processors): Delete.
 693         (arm_print_hint_for_core_or_arch): Delete.  Replace with ...
 694         (arm_print_hint_for_cpu_option): ... this and ...
 695         (arm_print_hint_for_arch_option): ... this.
 696         (arm_parse_arch_cpu_name): Delete.  Replace with ...
 697         (arm_parse_cpu_option_name): ... this and ...
 698         (arm_parse_arch_option_name): ... this.
 699         (arm_unrecognized_feature): Change type of target parameter to
 700         cpu_arch_option.
 701         (arm_parse_arch_cpu_features): Delete.  Replace with ...
 702         (arm_parse_option_features): ... this.
 703         (arm_configure_build_target): Rework to use new configuration data
 704         tables.
 705         (arm_print_tune_info): Rework for new configuration data tables.
 706         * config/arm/arm-cpu-data.h: Regenerated.
 707         * config/arm/arm-cpu.h: Regenerated.
 708
 709 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 710
 711         * Makefile.in (OBJS): Move sbitmap.o from here ...
 712         (OBJS-libcommon): ... to here.
 713
 714 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 715
 716         * config/arm/arm-isa.h (ISA_ALL_FPU_INTERNAL): Renamed from ISA_ALL_FPU.
 717         (ISA_ALL_CRYPTO): New macro.
 718         (ISA_ALL_SIMD): New macro
 719         (ISA_ALL_FP): New macro.
 720         * config/arm/arm.c (fpu_bitlist): Update initializer.
 721         * config/arm/arm-cpus.in: Use new ISA_ALL macros to disable crypto,
 722         simd or fp.
 723         (arm9e): Add fpu.  Add option for nofp
 724         (arm946e-s, arm966e-s, arm968e-s, arm10e, arm1020e, arm1022e): Likewise.
 725         (arm926ej-s, arm1026ej-s): Likewise.
 726         (generic-armv7-a): Add fpu.  Add options for simd, vfpv3, vfpv3-d16,
 727         vfpv3-fp16, vfpv3-d16-fp16, vfpv4, vfpv4-d16, neon, neon-vfp3,
 728         neon-fp16, neon-vfpv4, nofp and nosimd.
 729         (cortex-a5, cortex-a7): Add fpu.  Add options for nosimd and nofp.
 730         (cortex-a8): Add fpu.  Add option for nofp.
 731         (cortex-a9): Add fpu.  Add options for nosimd and nofp.
 732         (cortex-a12, cortex-a15, cortex-a17): Add fpu.  Add option for nofp.
 733         (cortex-r4f): Add fpu.
 734         (cortex-r5): Add fpu.  Add options for nofp.dp and nofp.
 735         (cortex-r7): Use idiv option from architecture.  Add fpu.  Add option
 736         for nofp.
 737         (cortex-r8): Likewise.
 738         (cortex-m4): Add fpu.  Add option for nofp.
 739         (cortex-a15.cortex-a7): Add fpu.  Add option for nofp.
 740         (cortex-a17.cortex-a7): Likewise.
 741         (cortex-a32): Add fpu.  Add options for crypto and nofp.
 742         (cortex-a35, cortex-a53): Likewise.
 743         (cortex-a57): Add fpu.  Add option for crypto.
 744         (cortex-a72, cortex-a73): Likewise.
 745         (exynos-m1): Likewise.
 746         (cortex-a57.cortex-a53, cortex-a72.cortex-a53): Likewise.
 747         (cortex-a73.cortex-a35, cortex-a73.cortex-a53): Likewise.
 748         (cortex-m33): Add fpu.  Add option for nofp.
 749         * config/arm/arm-cpu-cdata.h: Regenerated
 750         * config/arm/arm-cpu-data.h: Regenerated.
 751
 752 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 753
 754         * arm-cpus.in (armv5e): Add options fp, vfpv2 and nofp.
 755         (armv5te, armv5tej): Likewise.
 756         (armv6, armv6j, armv6k, armv6z, armv6kz, armv6zk, armv6t2): Likewise.
 757         (armv7): Add options fp and vfpv3-d16.
 758         (armv7-a): Add options fp, simd, vfpv3, vfpv3-d16, vfpv3-d16-fp16,
 759         vfpv3-fp16, vfpv4, vfpv4-d16, neon, neon-vfpv3, neon-fp16, neon-vfpv4,
 760         nofp and nosimd.
 761         (armv7ve): Likewise.
 762         (armv7-r): Add options fp, fp.sp, idiv, nofp and noidiv.
 763         (armv7e-m): Add options fp, fpv5, fp.dp and nofp.
 764         (armv8-a): Add nocrypto option.
 765         (armv8.1-a, armv8.2-a): Likewise.
 766         (armv8-m.main): add options fp, fp.dp and nofp.
 767
 768 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 769
 770         * config/arm/arm-cpus.in (armv8-a): Add options crc, simd crypto and
 771         nofp.
 772         (armv8-a+crc): Delete.
 773         (armv8.1-a): Add options simd, crypto and nofp.
 774         (armv8.2-a): Add options fp16, simd, crypto and nofp.
 775         (armv8.2-a+fp16): Delete.
 776         (armv8-m.main): Add option dsp.
 777         (armv8-m.main+dsp): Delete.
 778         (cortex-a8): Add fpu.  Add nofp option.
 779         (cortex-a9): Add fpu.  Add nofp and nosimd options.
 780         * config/arm/parsecpu.awk (gen_data): Generate option tables and
 781         link to main cpu and architecture data structures.
 782         (gen_comm_data): Only put isa attributes from the main architecture
 783         in common tables.
 784         (option): New statement for architecture and CPU entries.
 785         * arm.c (struct cpu_option): New structure.
 786         (struct processors): Add entry for options.
 787         (arm_unrecognized_feature): New function.
 788         (arm_parse_arch_cpu_name): Ignore any characters after the first
 789         '+' character.
 790         (arm_parse_arch_cpu_feature): New function.
 791         (arm_configure_build_target): Separate out any CPU and architecture
 792         features and parse separately.  Don't error out if -mfpu=auto is
 793         used with only an architecture string.
 794         (arm_print_asm_arch_directives): New function.
 795         (arm_file_start): Call it.
 796         * config/arm/arm-cpu-cdata.h: Regenerated.
 797         * config/arm/arm-cpu-data.h: Likewise.
 798         * config/arm/arm-tables.opt: Likewise.
 799
 800 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 801
 802         * config/arm/elf.h (ASM_SPEC): Only pass -mfpu through to the
 803         assembler when it is not -mfpu=auto.
 804
 805 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 806
 807         * config/arm/arm.h (BIG_LITTLE_SPEC): Delete macro.
 808         (ASM_REWRITE_SPEC_FUNCTIONS): New macro.
 809         (BIG_LITTLE_CPU_SPEC_FUNCTIONS): Delete macro.
 810         (ASM_CPU_SPEC): Rewrite.
 811         (MCPU_MTUNE_NATIVE_FUNCTIONS): New macro.
 812         (EXTRA_SPEC_FUNCTIONS): Move outside of ifdef.  Use
 813         MCPU_MTUNE_NATIVE_FUNCTIONS and ASM_REWRITE_SPEC_FUNCTIONS.  Remove
 814         reference to BIG_LITTLE_CPU_SPEC_FUNCTIONS.
 815         * common/config/arm/arm-common.c (arm_rewrite_selected_cpu): Ensure
 816         copied string is NUL-terminated.  Also strip any characters prefixed
 817         by '+'.
 818         (arm_rewrite_selected_arch): New function.
 819         (arm_rewrite_march): New function.
 820
 821 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
 822
 823         * config/arm/arm.opt (x_arm_arch_string): New TargetSave option.
 824         (x_arm_cpu_string, x_arm_tune_string): Likewise.
 825         (march, mcpu, mtune): Convert to string-based options.
 826         * config/arm/arm.c (arm_print_hint_for_core_or_arch): New function.
 827         (arm_parse_arch_cpu_name): New function.
 828         (arm_configure_build_target): Use arm_parse_arch_cpu_name to
 829         identify selected architecture or CPU.
 830         (arm_option_save): New function.
 831         (TARGET_OPTION_SAVE): Redefine.
 832         (arm_option_restore): Restore string options.
 833         (arm_option_print): Print string options.
 834
 835 2017-06-16  Martin Sebor  <msebor@redhat.com>
 836
 837         PR tree-optimization/80933
 838         PR tree-optimization/80934
 839         * builtins.c (fold_builtin_3): Do not handle bcmp here.
 840         * gimple-fold.c (gimple_fold_builtin_bcmp): New function.
 841         (gimple_fold_builtin_bcopy, gimple_fold_builtin_bzero): Likewise.
 842         (gimple_fold_builtin): Call them.
 843
 844 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
 845
 846         * gimple-ssa-isolate-paths.c (isolate_path): Set edge leading to path
 847         as unlikely; update profile.
 848
 849 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
 850
 851         * predict.c (force_edge_cold): Handle declaring edges impossible
 852         more aggresively.
 853
 854 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
 855
 856         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update
 857         profile.
 858         (try_unroll_loop_completely): Fix reporting.
 859
 860 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
 861
 862         * tree-ssa-tail-merge.c (replace_block_by): Fix profile updating.
 863
 864 2017-06-16  James Greenhalgh  <james.greenhalgh@arm.com>
 865
 866         PR target/71778
 867         * config/arm/arm-builtins.c (arm_expand_builtin_args): Return TARGET
 868         if given a non-constant argument for an intrinsic which requires a
 869         constant.
 870
 871 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
 872
 873         * profile.c (compare_freqs): New function.
 874         (branch_prob): Sort edge list.
 875         (find_spanning_tree): Assume that the list is priority sorted.
 876
 877 2017-06-16  Richard Biener  <rguenther@suse.de>
 878
 879         PR tree-optimization/81090
 880         * passes.def (pass_record_bounds): Remove.
 881         * tree-pass.h (make_pass_record_bounds): Likewise.
 882         * tree-ssa-loop.c (pass_data_record_bounds, pass_record_bounds,
 883         make_pass_record_bounds): Likewise.
 884         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Do
 885         not free niter estimates at the beginning but at the end.
 886         * tree-scalar-evolution.c (scev_finalize): Free niter estimates.
 887
 888 2017-06-16  Richard Biener  <rguenther@suse.de>
 889
 890         * tree-switch-conversion.c (emit_case_bit_tests): Adjust
 891         initializer to workaround ICE in host GCC 4.8.
 892
 893 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
 894
 895         * ipa-inline-transform.c (update_noncloned_frequencies): Update also
 896         counts.
 897         (clone_inlined_nodes): Update.
 898
 899 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
 900
 901         * config/aarch64/aarch64.c (qdf24xx_prefetch_tune): Update
 902         prefetch settings, and enable prefetching by default at -O3.
 903
 904 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
 905
 906         * config/aarch64/aarch64.c (aarch64_override_options_internal):
 907         Set flag_prefetch_loop_arrays according to tuning data.
 908
 909 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
 910
 911         * config/aarch64/aarch64-protos.h (struct cpu_prefetch_tune):
 912         New tune structure.
 913         (struct tune_params): Use cpu_prefetch_tune instead of cache_line_size.
 914         [Unrelated to main purpose of the patch] Place the pointer field last
 915         to enable type checking errors when tune structure are wrongly merged.
 916         * config/aarch64/aarch64.c (generic_prefetch_tune,)
 917         (exynosm1_prefetch_tune, qdf24xx_prefetch_tune,)
 918         (thunderx2t99_prefetch_tune): New tune constants.
 919         (tune_params *_tunings): Update all tunings (no functional change).
 920         (aarch64_override_options_internal): Set PARAM_SIMULTANEOUS_PREFETCHES,
 921         PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE, and PARAM_L2_CACHE_SIZE
 922         from tunings structures.
 923
 924 2017-06-16  Jakub Jelinek  <jakub@redhat.com>
 925
 926         PR sanitizer/81094
 927         * ubsan.c (instrument_null): Add T argument, use it instead
 928         of computing it based on IS_LHS.
 929         (instrument_object_size): Likewise.
 930         (pass_ubsan::execute): Adjust instrument_null and
 931         instrument_object_size callers to pass gimple_get_lhs or
 932         gimple_assign_rhs1 result to it.  Use instrument_null instead of
 933         calling get_base_address and instrument_mem_ref.  Handle
 934         aggregate call arguments for object-size sanitization.
 935
 936 2017-06-16  Yury Gribov  <tetra2005@gmail.com>
 937
 938         PR tree-optimization/81089
 939         * tree-vrp.c (is_masked_range_test): Validate operands of
 940         subexpression.
 941
 942 2017-06-15  Martin Sebor  <msebor@redhat.com>
 943
 944         PR c++/80560
 945         * dumpfile.c (dump_register): Avoid calling memset to initialize
 946         a class with a default ctor.
 947         * gcc.c (struct compiler): Remove const qualification.
 948         * genattrtab.c (gen_insn_reserv): Replace memset with initialization.
 949         * hash-table.h: Ditto.
 950         * ipa-cp.c (allocate_and_init_ipcp_value): Replace memset with
 951           assignment.
 952         * ipa-prop.c (ipa_free_edge_args_substructures): Ditto.
 953         * omp-low.c (lower_omp_ordered_clauses): Replace memset with
 954         default ctor.
 955         * params.h (struct param_info): Make struct members non-const.
 956         * tree-switch-conversion.c (emit_case_bit_tests): Replace memset
 957         with default initialization.
 958         * vec.h (vec_copy_construct, vec_default_construct): New helper
 959         functions.
 960         (vec<T>::copy, vec<T>::splice, vec<T>::reserve): Replace memcpy
 961         with vec_copy_construct.
 962         (vect<T>::quick_grow_cleared): Replace memset with default ctor.
 963         (vect<T>::vec_safe_grow_cleared, vec_safe_grow_cleared): Same.
 964         * doc/invoke.texi (-Wclass-memaccess): Document.
 965
 966 2017-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 967
 968         * emit-rtl.h (is_leaf): Update comment about local
 969         register allocator.
 970
 971 2017-06-15  Jozef Lawrynowicz   <jozef.l@somniumtech.com>
 972
 973         PR target/78818
 974         * config/msp430/msp430.c (msp430_data_attr): Check that it's possible
 975         for a variable to have a section before checking if the section has a
 976         name.
 977         Set section to.persistent if persistent attribute is set.
 978         Warn if .persistent attribute is used on an automatic variable.
 979
 980 2017-06-15  Eric Botcazou  <ebotcazou@adacore.com>
 981
 982         PR rtl-optimization/80474
 983         * reorg.c (update_block): Do not ignore instructions in a delay slot.
 984
 985 2017-06-15  Segher Boessenkool  <segher@kernel.crashing.org>
 986
 987         * config/rs6000/rs6000.md (add<mode>3): Use reg_or_subregno instead
 988         of REGNO.
 989
 990 2017-06-14  Maciej W. Rozycki  <macro@imgtec.com>
 991
 992         * config/mips/mips.md (MIPS16_T_REGNUM): Remove constant.
 993         (casesi): Emit bounds checking as RTL.
 994         (casesi_internal_mips16_<mode>): Remove bounds checking.
 995
 996 2017-06-14  Max Filippov  <jcmvbkbc@gmail.com>
 997
 998         * config/xtensa/xtensa.c (xtensa_option_override): Append
 999         MASK_CONST16 to target_flags in the absence of TARGET_L32R.
1000         (hwloop_optimize, hwloop_fail, hwloop_pattern_reg,
1001          xtensa_doloop_hooks): Define unconditionally.
1002         (xtensa_reorg_loops): Only call reorg_loops in the presence of
1003         TARGET_LOOPS.
1004         * config/xtensa/xtensa.h (TARGET_L32R): New definition.
1005         (TARGET_DEFAULT): Remove XCHAL_HAVE_L32R condition and account
1006         for it in xtensa_option_override.
1007         (HARD_FRAME_POINTER_IS_FRAME_POINTER,
1008          HARD_FRAME_POINTER_IS_ARG_POINTER): New definitions.
1009
1010 2017-06-14  Boris Kolpackov  <boris@codesynthesis.com>
1011
1012         * doc/cppopts.texi: Document '-' special value to -MF.
1013
1014 2017-06-14  Wilco Dijkstra  <wdijkstr@arm.com>
1015
1016         * config/arm/cortex-a53.md (cortex_a53_fpalu) Adjust latency.
1017         (cortex_a53_fconst): Likewise.
1018         (cortex_a53_fpmul): Likewise.
1019         (cortex_a53_f_load_64): Likewise.
1020         (cortex_a53_f_load_many): Likewise.
1021         (cortex_a53_advsimd_alu): Likewise.
1022         (cortex_a53_advsimd_alu_q): Likewise.
1023         (cortex_a53_advsimd_mul): Likewise.
1024         (cortex_a53_advsimd_mul_q): Likewise.
1025         (fpmac bypass): Add new bypass for fpmac-fpmac case.
1026         Add missing fmul, r2f_cvt and fconst cases.
1027
1028 2017-06-14  Richard Biener  <rguenther@suse.de>
1029
1030         PR middle-end/81088
1031         * fold-const.c (split_tree): Drop TREE_OVERFLOW flag from
1032         literal constants.
1033         (fold_binary_loc): When associating do not treat pre-existing
1034         TREE_OVERFLOW on literal constants as a reason to allow
1035         TREE_OVERFLOW on associated literal constants.
1036
1037 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
1038
1039         * config/sparc/sparc.h (MASK_ISA): Add MASK_LEON and MASK_LEON3.
1040         (MASK_FEATURES): New macro.
1041         * config/sparc/sparc.c (sparc_option_override): Remove the special
1042         handling of -mfpu and generalize it to all MASK_FEATURES switches.
1043
1044 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
1045
1046         * simplify-rtx.c (simplify_binary_operation_1) <UDIV>: Do not simplify
1047         a division of 0 if non-call exceptions are enabled.
1048
1049 2017-06-14  Andrew Pinski  <apinski@cavium.com>
1050             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
1051
1052         PR target/71663
1053         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
1054         Improve vector initialization code gen for only variable case.
1055
1056 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
1057
1058         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-T5 entry.
1059
1060 2017-06-14  Richard Biener  <rguenther@suse.de>
1061
1062         PR tree-optimization/81083
1063         * tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals
1064         as values.
1065
1066 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
1067
1068         * config/rs6000/rs6000.c: Update all comments that mentioned SPE.
1069         (rs6000_expand_builtin): Remove RS6000_BTC_EVSEL.
1070         * config/rs6000/rs6000.h (RS6000_BTC_EVSEL): Delete.
1071         * config/rs6000/vxworks.h (VXCPU_FOR_8548): Delete.  Adjust former use.
1072         * config/rs6000/vxworksae.h (VXCPU_FOR_8548): Delete.
1073         * config/rs6000/vxworksmils.h (VXCPU_FOR_8548): Delete.
1074
1075 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
1076
1077         * config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete VECTOR_SPE.
1078         * config/rs6000/rs6000.c (rs6000_debug_vector_unit): Delete VECTOR_SPE.
1079
1080 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
1081
1082         * config/rs6000/rs6000.h (FIXED_SCRATCH): Delete.
1083
1084 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
1085
1086         * config/rs6000/t-rtems: Don't handle SPE.
1087
1088 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
1089
1090         * config/rs6000/t-linux: Don't handle SPE.
1091
1092 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
1093
1094         * config/rs6000/eabispe.h: Delete file.
1095
1096 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
1097
1098         * config/rs6000/t-spe: Delete file.
1099
1100 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
1101
1102         * config/rs6000/rs6000.c (SPE_CONST_OFFSET_OK): Delete.
1103         (rs6000_legitimate_offset_address_p): Return false for anything in
1104         V2SImode or V2SFmode.
1105
1106 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
1107
1108         * config/rs6000/rs6000-modes.def: Remove all 8-byte vector modes
1109         except V2SF and V2SI.  Rearrange the vector modes, and add comments.
1110         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Remove V8QImode
1111         and V4HImode.
1112         (reg_offset_addressing_ok_p): Remove V4HImode and V1DImode.
1113         (rs6000_legitimate_offset_address_p): Ditto.
1114         (rs6000_emit_move): Ditto.
1115         (rs6000_init_builtins): Remove V4HI_type_node.
1116
1117 2017-06-13  Martin Liska  <mliska@suse.cz>
1118
1119         PR sanitize/78204
1120         * asan.c (asan_sanitize_stack_p): Use sanitize_flags_p.
1121         (gate_asan): Likewise.
1122         * asan.h (asan_no_sanitize_address_p): Remove the function.
1123         (sanitize_flags_p): New function.
1124         * builtins.def: Fix coding style.
1125         * common.opt: Use renamed enum value.
1126         * convert.c (convert_to_integer_1): Use sanitize_flags_p.
1127         * doc/extend.texi: Document no_sanitize attribute.
1128         * flag-types.h (enum sanitize_code): Rename SANITIZE_NONDEFAULT
1129         to SANITIZE_UNDEFINED_NONDEFAULT.
1130         * gcc.c (sanitize_spec_function): Use the renamed enum value.
1131         * gimple-fold.c (optimize_atomic_compare_exchange_p):
1132         Use sanitize_flags_p.
1133         * gimplify.c (gimplify_function_tree): Likewise.
1134         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Likewise.
1135         * opts.c (parse_no_sanitize_attribute): New function.
1136         (common_handle_option): Use renamed enum value.
1137         * opts.h (parse_no_sanitize_attribute): Declare.
1138         * tree.c (sanitize_flags_p): New function.
1139         * tree.h: Declared here.
1140         * tsan.c: Use sanitize_flags_p.
1141         * ubsan.c (ubsan_expand_null_ifn): Likewise.
1142         (instrument_mem_ref): Likewise.
1143         (instrument_bool_enum_load): Likewise.
1144         (do_ubsan_in_current_function): Remove the function.
1145         (pass_ubsan::execute): Use sanitize_flags_p.
1146         * ubsan.h: Remove do_ubsan_in_current_function
1147         * tree-cfg.c (print_no_sanitize_attr_value): New function.
1148         (dump_function_to_file): Use it here.
1149
1150 2017-06-13  Martin Jambor  <mjambor@suse.cz>
1151
1152         PR tree-optimization/80803
1153         PR tree-optimization/81063
1154         * tree-sra.c (subtree_mark_written_and_enqueue): Move up in the file.
1155         (propagate_subaccesses_across_link): Enqueue subtree whenever
1156         necessary instead of relying on the caller.
1157
1158 2017-06-13  Martin Jambor  <mjambor@suse.cz>
1159
1160         * tree-sra.c (add_access_to_work_queue): Only enqueue accesses
1161         that have a first_link.
1162         (sort_and_splice_var_accesses): Do not check first_link before
1163         enquing.
1164         (subtree_mark_written_and_enqueue): Likewise.
1165         (propagate_all_subaccesses): Likewise and do not stop at first
1166         parent with a first_link.
1167
1168 2017-06-13  Martin Jambor  <mjambor@suse.cz>
1169
1170         * tree-sra.c (dump_access_tree_1): Fix accidental dumping to stderr
1171         instead of f.
1172
1173 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
1174
1175         * match.pd: New pattern.
1176
1177 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
1178
1179         * tree-vrp.c (is_masked_range_test): New function.
1180         (register_edge_assert_for): Determine ranges for
1181         some bit tests.
1182
1183 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
1184
1185         PR tree-optimization/67328
1186         * fold-const.c (maskable_range_p): New function.
1187         (build_range_check): Generate bittests if possible.
1188
1189 2017-06-13  Martin Liska  <mliska@suse.cz>
1190
1191         * gimple-pretty-print.c (dump_probability): Add new argument.
1192         (dump_edge_probability): Dump both probability and count.
1193         (dump_gimple_label): Likewise.
1194         (dump_gimple_bb_header): Likewise.
1195
1196 2017-06-13  Georg-Johann Lay  <avr@gjlay.de>
1197
1198         PR target/81072
1199         * config/avr/avr-devices.c: Fix indentation.
1200         * config/avr/gen-avr-mmcu-specs.c: Dito.
1201
1202 2017-06-13  Richard Biener  <rguenther@suse.de>
1203
1204         * tree-vect-loop.c (vect_model_reduction_cost): Do not fail,
1205         instead get vector type from stmt_info.
1206         (vectorizable_reduction): Adjust.  Remove dead code.
1207
1208 2017-06-13  Richard Biener  <rguenther@suse.de>
1209
1210         PR middle-end/81065
1211         * fold-const.c (extract_muldiv_1): Remove bogus distribution
1212         case of C * (x * C2 + C3).
1213         (fold_addr_of_array_ref_difference): Properly fold index difference.
1214
1215 2017-06-12  David S. Miller  <davem@davemloft.net>
1216
1217         PR target/80968
1218         * config/sparc/sparc.md (return expander): Emit frame blockage if
1219         function uses alloca.
1220
1221 2017-06-12  Richard Sandiford  <richard.sandiford@linaro.org>
1222
1223         * combine.c (make_field_assignment): Check len rather than the mode
1224         precision when calling force_to_mode.
1225
1226 2017-06-12  Georg-Johann Lay  <avr@gjlay.de>
1227
1228         Support multilibs and devices that see flash in RAM address range.
1229
1230         PR target/81072
1231         * config/avr/avr-arch.h (avr_arch_id) <ARCH_AVRXMEGA3>: New enum.
1232         (avr_mcu_t) <flash_pm_offset>: New field.
1233         (avr_device_specific_features) <AVR_ISA_RCALL>: New enum.
1234         * config/avr/avr.h (AVR_SHORT_CALLS): New define.
1235         (AVR_HAVE_JMP_CALL): Don't set if AVR_SHORT_CALLS.
1236         (AVR_TINY_PM_OFFSET): Remove macro.
1237         * config/avr/avr.opt (-mshort-calls): New option.
1238         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
1239         [*self_spec]: Add / remove -mshort-calls depending on AVR_ISA_RCALL.
1240         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
1241         <__AVR_SHORT_CALLS__>: Built-in define if AVR_SHORT_CALLS.
1242         <__AVR_HAVE_JMP_CALL__>: Use AVR_HAVE_JMP_CALL as condition
1243         instead of avr_arch->have_jmp_call.
1244         <__AVR_PM_BASE_ADDRESS__>: Built-in define if avr_arch->flash_pm_offset.
1245         [AVR_TINY] <__AVR_TINY_PM_BASE_ADDRESS__>: Use
1246         avr_arch->flash_pm_offset to define.
1247         * config/avr/avr-devices.c (avr_arch_types): Add initializers for
1248         new field flash_pm_offset.  Add entry for avrxmega3.
1249         (avr_texinfo): Add entry for avrxmega3.
1250         * config/avr/avr-mcus.def: Add entries for: avrxmega3,
1251         attiny212, attiny214,
1252         attiny412, attiny414, attiny416, attiny417,
1253         attiny814, attiny816, attiny817,
1254         attiny1614, attiny1616, attiny1617,
1255         attiny3214, attiny3216, attiny3217.
1256         * config/avr/avr.c (avr_assemble_integer)[AVR_TINY]: Use
1257         avr_arch->flash_pm_offset instead of AVR_TINY_PM_OFFSET.
1258         (avr_print_operand_address) [AVR_TINY]: Same.
1259         (avr_asm_init_sections) <readonly_data_section>: Only patch
1260         callback if avr_arch->flash_pm_offset = 0.
1261         (avr_asm_named_section) <avr_need_copy_data_p>: Skip setting it
1262         for rodata if avr_arch->flash_pm_offset != 0.
1263         (avr_encode_section_info) [AVR_TINY]: Adjust comment.
1264         * config/avr/genmultilib.awk (dir_rcall, opt_rcall): New vars.
1265         (opts) [AVR_ISA_RCALL]: Append opt_rcall.
1266         (m_options): Append opt_rcall.
1267         (m_dirnames): Append dir_rcall.
1268         * config/avr/t-multilib: Regenerate.
1269
1270         * configure.ac [target=avr]: Check whether avrxmega3 default
1271         linker description file works as needed.
1272         * configure: Regenerate.
1273         * doc/avr-mmcu.texi: Regenerate.
1274         * doc/invoke.texi (AVR Options) <-mshort-calls>: Document it.
1275         <__AVR_ARCH__>: Document avrxmega3 and 103.
1276         <__AVR_HAVE_JMP_CALL__>: Adjust documentation.
1277         <__AVR_SHORT_CALLS__>: Document it.
1278         <__AVR_PM_BASE_ADDRESS__>: Document it.
1279         * doc/extend.texi (AVR Options) <-mshort-calls>: Document it.
1280         (AVR Variable Attributes) <progmem>: Document this is
1281         not needed for avrxmega3.
1282         (AVR Named Address Spaces) <__flash>: Dito.
1283
1284 2017-06-12  Jan Hubicka  <hubicka@ucw.cz>
1285
1286         * cgraph.c (cgraph_node::dump): Complain about profile insanities.
1287
1288 2017-06-12  Doug Rupp  <rupp@adacore.com>
1289
1290         * config.gcc (*-*-vxworks*): Set use_gcc_stdint to "provide".
1291         Append vxworks-stdint.h to the tm_file list.
1292         * config/vxworks-stdint.h: New file.
1293
1294 2017-06-12  Martin Liska  <mliska@suse.cz>
1295
1296         PR tree-optimization/81041
1297         * tree-profile.c (gimple_gen_ic_func_profiler):
1298         Create an extra BB in profile-generate
1299         (gimple_gen_time_profiler): Likewise.
1300
1301 2017-06-12  Jakub Jelinek  <jakub@redhat.com>
1302
1303         PR tree-optimization/81003
1304         * tree-ssa-reassoc.c (force_into_ssa_name): New function.
1305         (update_range_test): Use it instead of force_gimple_operand_gsi.
1306
1307 2017-06-12  Richard Biener  <rguenther@suse.de>
1308
1309         PR tree-optimization/81053
1310         * tree-vect-loop.c (vect_is_simple_reduction): Handle PHI
1311         with backedge value not defined in loop.  Simplify def stmt
1312         compute.
1313
1314 2017-06-11  Tom de Vries  <tom@codesourcery.com>
1315
1316         PR target/79939
1317         * config/nvptx/nvptx.c (nvptx_cannot_force_const_mem): New function.
1318         Return true.
1319         (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
1320         nvptx_cannot_force_const_mem.
1321
1322 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
1323
1324         * opts.c (finish_options): Move test for flag_split_stack after
1325         it has been initialized.
1326
1327 2017-06-11  Jason Merrill  <jason@redhat.com>
1328
1329         * tree.h (id_equal): New.
1330         * dwarf2out.c, hsa-gen.c, ipa-devirt.c, omp-expand.c,
1331         omp-simd-clone.c, read-rtl-function.c, tree-chkp.c, tree.c: Use it
1332         instead of strcmp of IDENTIFIER_POINTER.
1333
1334 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
1335
1336         * ipa-inline-transform.c: Include function.h, cfg.h and basic-block.h
1337         (mark_all_inlined_calls_cdtor): Fix formating.
1338         (inline_transform): Rescale profile before inlining.
1339
1340 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
1341
1342         * cgraph.h (cgraph_edge::clone): Update prototype.
1343         * cgraphclones.c (cgraph_edge::clone): Update profile scaling.
1344         (cgraph_node::create_clone): Update.
1345         (cgraph_node::create_version_clone): Update.
1346         * tree-inline.c (copy_bb): Update.
1347         (expand_call_inline): Update.
1348
1349 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
1350
1351         * config/rs6000/rs6000.c (emit_vrsave_prologue): New function,
1352         factored out from ...
1353         (rs6000_emit_prologue): ... here.
1354
1355 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
1356
1357         * config/rs6000/rs6000.c (emit_split_stack_prologue): New function,
1358         factored out from ...
1359         (rs6000_emit_prologue): ... here.
1360
1361 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
1362
1363         * predict.c (drop_profile): Also drop individual bb/edge and cgraph
1364         edge counts.
1365         (handle_missing_profiles): Fix computation of tp_first_run.
1366         (counts_to_freqs): Do not touch freqs when count is 0.
1367
1368 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
1369
1370         * cgraphbuild.c (cgraph_edge::rebuild_references): Do not touch
1371         profile.
1372
1373 2017-06-10  Tom de Vries  <tom@codesourcery.com>
1374
1375         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
1376         attributes): Document signal effective target.
1377
1378 2017-06-10  Tom de Vries  <tom@codesourcery.com>
1379
1380         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
1381         Document effective target stack_size.
1382
1383 2017-06-09  David Malcolm  <dmalcolm@redhat.com>
1384
1385         * diagnostic.c (diagnostic_report_diagnostic): Only add fixits
1386         to the edit_context if they can be auto-applied.
1387
1388 2017-06-9  Ian Lance Taylor  <iant@golang.org>
1389
1390         * opts.c (finish_options): If -fsplit-stack, disable implicit
1391         -forder-blocks-and-partition.
1392         * doc/invoke.texi (Optimize Options): Document that when using
1393         -fsplit-stack -forder-blocks-and-partition is not implicitly
1394         enabled.
1395
1396 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
1397
1398         * builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST,
1399         ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST,
1400         ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST): New.
1401         * builtins.def (abort, trap, unreachable): Declare cold.
1402         * calls.c (flags_from_decl_or_type): Lookup ECF_COLD.
1403         * tree-core.h (ECF_COLD): New.
1404         * tree.c (set_call_expr_flags): Handle ECF_COLD.
1405         (build_common_builtin_nodes): Mark unreachable and abort as cold.
1406
1407 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
1408
1409         * predict.c (unlikely_executed_stmt_p): Cleanup.
1410
1411 2017-06-09  Richard Biener  <rguenther@suse.de>
1412
1413         * tree-ssa-loop-im.c (execute_sm): Do not force multi-threaded
1414         model if the ref is always written to.
1415
1416 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
1417
1418         * config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2): New.
1419
1420 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
1421
1422         * config/arm/arm.c (arm_rtx_costs_internal): Make sdiv more expensive
1423         than udiv.
1424
1425 2017-06-09  Tom de Vries  <tom@codesourcery.com>
1426
1427         PR target/80855
1428         * config/nvptx/nvptx.md (define_expand "mov<QHSDISDFM>"): Error out with
1429         "target cannot support label values" when encountering LABEL_REF.
1430
1431 2017-06-09  Martin Liska  <mliska@suse.cz>
1432
1433         * tree-profile.c (gimple_gen_ic_profiler): Update comment.
1434         (gimple_gen_ic_func_profiler): Emit direct comparison
1435         of __gcov_indirect_call_callee with NULL.
1436         (gimple_gen_time_profiler): Change probability from
1437         PROB_VERY_UNLIKELY to PROB_UNLIKELY.
1438
1439 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
1440
1441         * profile.c (edge_gcov_counts): Turn to pointer.
1442         (compute_branch_probabilities, compute_branch_probabilities): Update.
1443         (branch_prob): Do not clear edge_gcov_count.
1444         * profile.h (edge_gcov_counts): Turn to pointer.
1445         (edge_gcov_count): Update.
1446
1447 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
1448
1449         * gimple.h (gimple_check_failed): Mark cold.
1450
1451 2017-06-09  Richard Biener  <rguenther@suse.de>
1452
1453         PR tree-optimization/66623
1454         * tree-vect-loop.c (vect_is_simple_reduction): Cleanup,
1455         refactor check_reduction into two parts, properly computing
1456         whether we have to check reduction validity for outer loop
1457         vectorization.
1458
1459 2017-06-09  Richard Biener  <rguenther@suse.de>
1460
1461         PR tree-optimization/79483
1462         * graphite-scop-detection.c (order): New global.
1463         (get_order): Compute bb to order mapping that satisfies code
1464         generation constraints.
1465         (cmp_pbbs): New helper.
1466         (build_scops): Start domwalk at entry block, sort generated
1467         pbbs.
1468
1469 2017-06-09  Richard Biener  <rguenther@suse.de>
1470
1471         PR middle-end/81007
1472         * ipa-polymorphic-call.c
1473         (ipa_polymorphic_call_context::restrict_to_inner_class):
1474         Skip FIELD_DECLs with error_mark_node type.
1475         * passes.def (all_lowering_passes): Run pass_build_cgraph_edges
1476         last again.
1477
1478 2017-06-09  Martin Liska  <mliska@suse.cz>
1479
1480         * predict.c (struct branch_predictor): New struct.
1481         (test_prediction_value_range): New test.
1482         (predict_c_tests): New function.
1483         * selftest-run-tests.c (selftest::run_tests): Run the function.
1484         * selftest.h: Declare new tests.
1485
1486 2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
1487
1488         PR target/80966
1489         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
1490         gen_add3_insn did not fail.
1491         * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
1492         r0, construct that number in a temporary reg and add that reg to r0.
1493         If asked to put the result in r0 as well, fail.
1494
1495 2017-06-08  Will Schmidt  <will_schmidt@vnet.ibm.com>
1496
1497         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
1498         for early expansion of vec_eqv.
1499
1500 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
1501
1502         PR middle-end/81005
1503         * ubsan.c (instrument_null): Avoid pointless code temporary.
1504         (pass_ubsan::execute): Instrument aggregate arguments of calls.
1505
1506 2017-06-08  Uros Bizjak  <ubizjak@gmail.com>
1507
1508         PR target/81015
1509         Revert:
1510         2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
1511
1512         PR target/59874
1513         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
1514         (*clzhi2): Ditto.
1515
1516 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
1517
1518         * predict.c (unlikely_executed_edge_p): Move ahead.
1519         (probably_never_executed_edge_p): Use it.
1520
1521 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1522
1523         PR middle-end/79988
1524         * tree-chkp.c (chkp_gimple_call_builtin_p): Remove
1525         gimple_call_builtin_p call.
1526
1527 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
1528
1529         * system.h (fancy_abort): Annotate by ATTRIBUTE_COLD.
1530         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
1531         rtl_check_failed_type2, rtl_check_failed_code1,
1532         rtl_check_failed_code2, rtl_check_failed_code_mode,
1533         rtl_check_failed_block_symbol, cwi_check_failed_bounds,
1534         rtvec_check_failed_bounds, rtl_check_failed_flag,
1535         _fatal_insn_not_found, _fatal_insn): Likewise.
1536         * tree.h (tree_contains_struct_check_failed,
1537         tree_check_failed, tree_not_check_failed,
1538         tree_class_check_failed, tree_range_check_failed,
1539         tree_not_class_check_failed, tree_int_cst_elt_check_failed,
1540         tree_vec_elt_check_failed, phi_node_elt_check_failed,
1541         tree_operand_check_failed, omp_clause_check_failed,
1542         omp_clause_operand_check_failed, omp_clause_range_check_failed):
1543         Likewise.
1544
1545 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
1546
1547         * cgraph.c (cgraph_edge::maybe_hot_p): Do not check
1548         flag_branch_probabilities.
1549         * ipa-inline.c (edge_badness): Likewise.
1550         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
1551         * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
1552         * predict.c (maybe_hot_frequency_p): Likewise.
1553         (probably_never_executed): Likewise.
1554         * sched-ebb.c (schedule_ebbs): Likewise.
1555         * sched-rgn.c (find_single_block_region): Likewise.
1556         * tracer.c (tail_duplicate): Likewise.
1557
1558 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
1559
1560         * opts.c (finish_options): x_flag_reorder_blocks_and_partition no
1561         longer requires x_flag_profile_use.
1562
1563 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
1564
1565         * cfgrtl.c (cfg_layout_initialize): Check crtl->has_bb_partition
1566         instead of flag_reorder_blocks_and_partition.
1567         * dbxout.c (dbxout_function_end): Likewise.
1568         * dwarf2out.c (gen_subprogram_die): Likewise.
1569         * haifa-sched.c (sched_create_recovery_edges): Likewise.
1570         * hw-doloop.c (reorg_loops): Likewise.
1571         * varasm.c (assemble_start_function,
1572         assemble_end_function): Likewise.
1573         (decide_function_section): Do not check for
1574         flag_reorder_blocks_and_partition.
1575
1576 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1577
1578         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
1579         New function.
1580         (chkp_get_hard_register_fake_addr_expr): Ditto.
1581         (chkp_build_addr_expr): Add check for hard reg case.
1582         (chkp_parse_array_and_component_ref): Ditto.
1583         (chkp_find_bounds_1): Ditto.
1584         (chkp_process_stmt): Don't generate bounds store for
1585         hard reg case.
1586
1587 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
1588
1589         * predict.c (maybe_hot_bb_p): Do not check profile status.
1590         (maybe_hot_edge_p): Likewise.
1591         (probably_never_executed): Check for zero counts even if profile
1592         is not read.
1593         (unlikely_executed_edge_p): New function.
1594         (unlikely_executed_stmt_p): New function.
1595         (unlikely_executed_bb_p): New function.
1596         (set_even_probabilities): Use unlikely predicates.
1597         (combine_predictions_for_bb): Likewise.
1598         (predict_paths_for_bb): Likewise.
1599         (predict_paths_leading_to_edge): Likewise.
1600         (determine_unlikely_bbs): New function.
1601         (estimate_bb_frequencies): Use it.
1602         (compute_function_frequency): Use zero counts even if profile is
1603         not read.
1604         * profile-count.h: Fix typo.
1605
1606 2017-08-08  Julia Koval  <julia.koval@intel.com>
1607
1608         * config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
1609         _mm512_mask_cvtsepi16_storeu_epi8,
1610         _mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
1611         * config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
1612         _mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
1613         _mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
1614         _mm_mask_cvtepi16_storeu_epi8): New intrinsics.
1615         * config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
1616         (VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
1617         VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
1618         * config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
1619         __builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
1620         __builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
1621         __builtin_ia32_pmovuswb256mem_mask,
1622         __builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
1623         __builtin_ia32_pmovwb512mem_mask): New builtins.
1624
1625 2017-08-08  Julia Koval  <julia.koval@intel.com>
1626
1627         PR target/73350,80862
1628         * config/i386/subst.md (round): Fix round pattern.
1629         * config/i386/i386.c (ix86_erase_embedded_rounding):
1630         Fix erasing rounding for the fixed pattern.
1631
1632 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
1633
1634         * cfgbuild.c (find_many_sub_basic_blocks): Fix thinko.
1635
1636 2017-06-08  Martin Liska  <mliska@suse.cz>
1637
1638         PR gcov-profile/80911
1639         * gcov.c (block_info::block_info): New constructor.
1640
1641 2017-06-07  Carl Love  <cel@us.ibm.com>
1642
1643         * config/rs6000/rs6000-c: The return type of the following
1644         built-in functions was implemented as int not long long.  Fix sign
1645         of return value for the unsigned version of vec_mulo and vec_mule.
1646         vector unsigned long long vec_bperm (vector unsigned long long,
1647                                              vector unsigned char)
1648         vector signed long long vec_mule (vector signed int,
1649                                           vector signed int)
1650         vector unsigned long long vec_mule (vector unsigned int,
1651                                             vector unsigned int)
1652         vector signed long long vec_mulo (vector signed int,
1653                                           vector signed int)
1654         vector unsigned long long vec_mulo (vector unsigned int,
1655                                             vector unsigned int)
1656         * doc/extend.texi: Fix the documentation for the built-in
1657         functions.
1658
1659 2017-06-07  Carl Love  <cel@us.ibm.com>
1660
1661         PR target/80982
1662         * config/rs6000/altivec.md (double<mode>2): Fix the implementation of
1663         for BE.
1664
1665 2017-06-07  Carl Love  <cel@us.ibm.com>
1666
1667         * config/rs6000/altivec.md: Fix argument swizzle in vec_doublel
1668         support, Generate       doublehv for signed int/float for BE case only.
1669
1670 2017-06-07  Alexander Monakov  <amonakov@ispras.ru>
1671
1672         * doc/invoke.texi (mcx16): Rewrite.
1673
1674 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
1675
1676         * config/rs6000/predicates.md (rs6000_nonimmediate_operand): Delete.
1677         * config/rs6000/rs6000.md (*movsi_internal1, movsi_from_sf,
1678         *mov<mode>_softfloat, and an anonymous splitter): Use
1679         nonimmediate_operand instead of rs6000_nonimmediate_operand.
1680
1681 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
1682
1683         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE_ACC and
1684         SPEFSCR registers.
1685         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
1686         (enum rs6000_reg_type): Delete SPE_ACC_TYPE and SPEFSCR_REG_TYPE.
1687         (rs6000_debug_reg_global): Adjust.
1688         (rs6000_init_hard_regno_mode_ok): Adjust.
1689         (rs6000_dbx_register_number): Adjust.
1690         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change to 115.
1691         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1692         Remove SPE_ACC and SPEFSCR.
1693         (REG_ALLOC_ORDER): Ditto.
1694         (FRAME_POINTER_REGNUM): Change to 111.
1695         (enum reg_class): Remove the SPE_ACC and SPEFSCR registers.
1696         (REG_CLASS_NAMES): Ditto.
1697         (REG_CLASS_CONTENTS): Delete the SPE_ACC and SPEFSCR registers.
1698         (REGISTER_NAMES): Ditto.
1699         (ADDITIONAL_REG_NAMES): Ditto.
1700         (rs6000_reg_names): Ditto.
1701         * config/rs6000/rs6000.md: Renumber some register number
1702         define_constants.
1703
1704 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
1705
1706         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE high
1707         registers.
1708         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
1709         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change from 149
1710         to 117.
1711         (DWARF_REG_TO_UNWIND_COLUMN): Do not define.
1712         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1713         Delete the SPE high registers.
1714         (REG_ALLOC_ORDER): Ditto.
1715         (enum reg_class): Remove SPE_HIGH_REGS.
1716         (REG_CLASS_NAMES): Ditto.
1717         (REG_CLASS_CONTENTS): Delete the SPE high registers.
1718         (REGISTER_NAMES): Ditto.
1719         (rs6000_reg_names): Ditto.
1720         * doc/tm.texi.in: Remove SPE as example.
1721         * doc/tm.texi: Regenerate.
1722
1723 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
1724
1725         * config/rs6000/8540.md (ppc8540_brinc): Delete.
1726         * config/rs6000/e500mc.md (e500mc_brinc): Delete.
1727         * config/rs6000/e500mc64.md (e500mc64_brinc): Delete.
1728         * config/rs6000/rs6000.md (type): Remove "brinc".
1729
1730 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
1731
1732         * config.gcc (powerpc*-*-*): Don't add spe.h to extra_headers.
1733         (powerpc*-linux*spe*): Use ${cpu_type} instead of rs6000.
1734         * config/rs6000/linuxspe.h: Delete file.
1735         * config/rs6000/rs6000.md: Don't include spe.md.
1736         * config/rs6000/spe.h: Delete file.
1737         * config/rs6000/spe.md: Delete file.
1738         * config/rs6000/t-rs6000: Remove spe.md.
1739
1740 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
1741
1742         * config/rs6000/predicates.md (reg_or_mem_operand): Reformat.
1743         (reg_or_none500mem_operand): Delete.
1744         * config/rs6000/rs6000.md (extendsfdf2): Use reg_or_mem_operand
1745         instead of reg_or_none500mem_operand.
1746
1747 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
1748
1749         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
1750         handling of SPE flags.
1751         * config/rs6000/rs6000.opt (-mspe, -mspe=no, -mspe=yes): Delete.
1752
1753 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
1754
1755         * config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
1756         SPE ABI handling.
1757         * config/rs6000/paired.md (paired_negv2sf2): Rename to negv2sf2.
1758         (paired_absv2sf2, paired_addv2sf3, paired_subv2sf3, paired_mulv2sf3,
1759         paired_divv2sf3): Similar.
1760         * config/rs6000/predicates.md: Replace TARGET_SPE, TARGET_SPE_ABI,
1761         SPE_VECTOR_MODE and SPE_HIGH_REGNO_P by 0; simplify.
1762         * config/rs6000/rs6000-builtin.def: Delete RS6000_BUILTIN_E and
1763         RS6000_BUILTIN_S.
1764         Delete BU_SPE_1, BU_SPE_2, BU_SPE_3, BU_SPE_E, BU_SPE_P, and BU_SPE_X.
1765         Rename the paired_* instruction patterns.
1766         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Do not
1767         define __SPE__.
1768         * config/rs6000/rs6000-protos.h (invalid_e500_subreg): Delete.
1769         * config/rs6000/rs6000.c: Delete RS6000_BUILTIN_E and RS6000_BUILTIN_S.
1770         (struct rs6000_stack): Delete fields spe_gp_save_offset, spe_gp_size,
1771         spe_padding_size, and spe_64bit_regs_used.  Replace TARGET_SPE and
1772         TARGET_SPE_ABI with 0, simplify.  Replace SPE_VECTOR_MODE with
1773         PAIRED_VECTOR_MODE.
1774         (struct machine_function): Delete field spe_insn_chain_scanned_p.
1775         (spe_func_has_64bit_regs_p): Delete.
1776         (spe_expand_predicate_builtin): Delete.
1777         (spe_expand_evsel_builtin): Delete.
1778         (TARGET_DWARF_REGISTER_SPAN): Do not define.
1779         (TARGET_MEMBER_TYPE_FORCES_BLK): Do not define.
1780         (invalid_e500_subreg): Delete.
1781         (rs6000_legitimize_address): Always force_reg op2 as well, for
1782         paired single memory accesses.
1783         (rs6000_member_type_forces_blk): Delete.
1784         (rs6000_spe_function_arg): Delete.
1785         (rs6000_expand_unop_builtin): Delete SPE handling.
1786         (rs6000_expand_binop_builtin): Ditto.
1787         (spe_expand_stv_builtin): Delete.
1788         (bdesc_2arg_spe): Delete.
1789         (spe_expand_builtin): Delete.
1790         (spe_expand_predicate_builtin): Delete.
1791         (spe_expand_evsel_builtin): Delete.
1792         (rs6000_invalid_builtin): Remove RS6000_BTM_SPE handling.
1793         (spe_init_builtins): Delete.
1794         (spe_func_has_64bit_regs_p): Delete.
1795         (savres_routine_name): Delete "info" parameter.  Adjust callers.
1796         (rs6000_emit_stack_reset): Ditto.
1797         (rs6000_dwarf_register_span): Delete.
1798         * config/rs6000/rs6000.h (TARGET_SPE_ABI, TARGET_SPE,
1799         UNITS_PER_SPE_WORD, SPE_HIGH_REGNO_P, SPE_SIMD_REGNO_P,
1800         SPE_VECTOR_MODE, RS6000_BTM_SPE, RS6000_BUILTIN_E, RS6000_BUILTIN_S):
1801         Delete.
1802         * config/rs6000/rs6000.md (FIRST_SPE_HIGH_REGNO, LAST_SPE_HIGH_REGNO):
1803         Delete.
1804         * config/rs6000/rs6000.opt (-mabi=spe, -mabi=no-spe): Delete.
1805         * config/rs6000/spe.md: Delete every pattern that uses TARGET_SPE.
1806         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
1807         mulv2sf3, divv2sf3): Delete expanders.
1808
1809 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
1810
1811         config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Delete.
1812
1813 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
1814
1815         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit): Delete.
1816         * config/rs6000/rs6000.c: Ditto.
1817
1818 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
1819
1820         * config/rs6000/predicated.md (rs6000_cbranch_operator): Delete.
1821         * config/rs6000/rs6000.md: Replace rs6000_cbranch_operator by
1822         comparison_operator.
1823
1824 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
1825
1826         * config/rs6000/rs6000.c: Remove everything related to -mfloat-gprs.
1827         * config/rs6000/rs6000.opt: Ditto.
1828         * config/rs6000/t-rtems: Ditto.
1829
1830 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
1831
1832         * config/rs6000/predicates.md: Replace TARGET_E500_DOUBLE and
1833         TARGET_E500_SINGLE by 0, simplify.
1834         * config/rs6000/rs6000.c: Ditto.
1835         (rs6000_option_override_internal): Delete CHECK_E500_OPTIONS.
1836         (spe_build_register_parallel): Delete.
1837         * config/rs6000/rs6000.h: Delete TARGET_E500_SINGLE,
1838         TARGET_E500_DOUBLE, and CHECK_E500_OPTIONS.
1839         * config/rs6000/rs6000.md: Replace TARGET_E500_DOUBLE,
1840         TARGET_E500_SINGLE, and <E500_CONVERT> by 0, simplify.
1841         (E500_CONVERT): Delete.
1842         * config/rs6000/spe.md: Remove many patterns and all define_constants.
1843
1844 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
1845
1846         * config/rs6000/darwin.md: Replace TARGET_FPRS by 1 and simplify.
1847         * config/rs6000/dfp.md: Ditto.
1848         (negdd2, *negdd2_fpr): Merge.
1849         (absdd2, *absdd2_fpr): Merge.
1850         (negtd2, *negtd2_fpr): Merge.
1851         (abstd2, *abstd2_fpr): Merge.
1852         * config/rs6000/e500.h: Delete file.
1853         * config/rs6000/predicates.md (rs6000_cbranch_operator): Replace
1854         TARGET_FPRS by 1 and simplify.
1855         * config/rs6000/rs6000-c.c: Ditto.
1856         * config/rs6000/rs6000.c: Ditto.  Also replace TARGET_SF_SPE and
1857         TARGET_DF_SPE by 0.
1858         * config/rs6000/rs6000.h: Ditto.  Delete TARGET_SF_SPE and
1859         TARGET_DF_SPE.
1860         * config/rs6000/rs6000.md: Ditto.
1861         (floatdidf2, *floatdidf2_fpr): Merge.
1862         (move_from_CR_gt_bit): Delete.
1863         * config/rs6000/spe.md: Replace TARGET_FPRS by 1 and simplify.
1864         (E500_CR_IOR_COMPARE): Delete.
1865         (All patterns that require !TARGET_FPRS): Delete.
1866         * config/rs6000/vsx.md: Replace TARGET_FPRS by 1 and simplify.
1867
1868 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
1869
1870         * passes.def (pass_iv_canon): Move before pass_loop_distribution.
1871
1872 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
1873
1874         * graphds.c (add_edge): Intitialize edge's attached data.
1875         (foll_in_subgraph, dfs_fst_edge, dfs_next_edge): New function
1876         pointer parameter.  Call pointed function on each edge during
1877         graph traversing.  Skip traversing the edge when the function
1878         returns true.
1879         (graphds_dfs, graphds_scc): Ditto.
1880         (for_each_edge): New parameter.  Pass the new parameter to callback
1881         function.
1882         * graphds.h (skip_edge_callback): New function pointer type.
1883         (graphds_dfs, graphds_scc): New function pointer parameter.
1884         (graphds_edge_callback, for_each_edge): New parameter.
1885
1886 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
1887
1888         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Factor
1889         out code checking if runtime alias check is possible to below ...
1890         Call the new function.
1891         * tree-data-ref.c (runtime_alias_check_p): ... to new function.
1892         * tree-data-ref.h (runtime_alias_check_p): New decalaration.
1893
1894 2017-06-07  Marek Polacek  <polacek@redhat.com>
1895
1896         PR sanitizer/80932
1897         * fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
1898         TYPE_OVERFLOW_WRAPS check.
1899
1900 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
1901
1902         * tree-vect-loop-manip.c (vect_do_peeling): Don't skip vector loop
1903         if versioning is required.
1904         * tree-vect-loop.c (vect_analyze_loop_2): Merge niter check for loop
1905         peeling with the check for versioning.
1906
1907 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
1908
1909         * tree-vectorizer.h (vect_build_loop_niters): New parameter.
1910         * tree-vect-loop-manip.c (vect_build_loop_niters): New parameter.
1911         Set true to new parameter if new ssa variable is defined.
1912         (vect_gen_vector_loop_niters): Refactor.  Set range information
1913         for the new vector loop bound variable.
1914         (vect_do_peeling): Ditto.
1915
1916 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
1917
1918         * tree-affine.c (ssa.h): Include header file.
1919         (tree_to_aff_combination): Handle (T1)(X - CST) when inner type
1920         has wrapping overflow behavior.
1921
1922 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
1923
1924         * tree-affine.c (tree_to_aff_combination): Handle (T1)(X + X).
1925
1926 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
1927
1928         (aff_combination_expand): Move (T1)(X *+- CST) simplification to ...
1929         (tree_to_aff_combination): ... here.
1930
1931 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
1932
1933         * tree-ssa-loop-ivopts.c (ivopts_estimate_reg_pressure): New
1934         reg_pressure model function.
1935         (ivopts_global_cost_for_size): Delete.
1936         (determine_set_costs, iv_ca_recount_cost): Call new model function
1937         ivopts_estimate_reg_pressure.
1938
1939 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
1940
1941         * config/aarch64/aarch64.c (aarch64_rtx_costs): Make sdiv more expensive than udiv.
1942         Remove floating point cases from mod.
1943
1944 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
1945
1946         * config/arm/aarch-cost-tables.h (cortexa53_extra_cost): Increase idiv cost.
1947
1948 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
1949
1950         * config/aarch64/aarch64.md
1951         (copysignsf3): Fix mask generation.
1952
1953 2017-06-07  Jakub Jelinek  <jakub@redhat.com>
1954
1955         * dumpfile.h (enum tree_dump_index): Rename TDI_generic to
1956         TDI_gimple.
1957         (class dump_manager): Add register_dumps method.
1958         * dumpfile.c: Include langhooks.h.
1959         (dump_files): Use 0 instead of 3/4/5 for TDI_{original,gimple,nested}.
1960         (FIRST_AUTO_NUMBERED_DUMP): Decrease to 1.
1961         (FIRST_ME_AUTO_NUMBERED_DUMP): Define.
1962         (dump_manager::dump_register): Start with 512 entries instead of 32.
1963         (dump_manager::register_dumps): New method.
1964         * toplev.c (general_init): Instead of invoking register_dumps
1965         langhook, invoke register_dumps method on the dump manager.
1966         * gimplify.c (gimplify_function_tree): Use TDI_gimple instead of
1967         TDI_generic.
1968
1969 2017-06-07  Richard Sandiford  <richard.sandiford@linaro.org>
1970
1971         * doc/md.texi: Clarify the restrictions on a define_insn condition.
1972         Say that # requires an associated define_split to exist, and that
1973         the define_split must be suitable for use after register allocation.
1974
1975 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
1976
1977         * cfgbuild.c (find_bb_boundaries): Initialize profile of split blocks.
1978         (compute_outgoing_frequencies): Also initialize zero counts.
1979         (find_many_sub_basic_blocks): Do not produce uninitialized profile
1980         around loops; preserve more of profile when nothing changes.
1981
1982 2017-06-06  Jim Wilson  <jim.wilson@linaro.org>
1983
1984         * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
1985         here.
1986         * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
1987         * config/arm/arm-cpu-cdata.h: Regenerate.
1988         * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
1989         * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
1990         * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
1991         * config/arm/arm.c (arm_qdf24xx_tune): Delete.
1992         * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
1993         support.
1994         * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
1995         support.
1996         * config/arm/t-rmprofile: Likewise.
1997         * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.
1998
1999 2017-06-06  David S. Miller  <davem@davemloft.net>
2000
2001         PR target/80968
2002         * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
2003         blockage if function uses alloca.
2004
2005 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
2006
2007         * tree-ssa-loop-prefetch.c (struct mem_ref_group, struct mem_ref):
2008         New "uid" fields to hold pretty-print IDs of group and ref.
2009         Memory references are now identified as <group_id>:<ref_id>
2010         instead of using [random] addresses.
2011         (dump_mem_details): Simplify, no functional change.
2012         (dump_mem_ref): Simplify and make output more concise.
2013         Replace couple of fprintf's throughout code with calls to dump_mem_ref.
2014         (find_or_create_group): Initialize group uid.
2015         (record_ref): Initialize ref uid.  Improve debug output.
2016         (prune_group_by_reuse, should_issue_prefetch_p,)
2017         (should_issue_prefetch_p, schedule_prefetches, issue_prefetch_ref,)
2018         (mark_nontemporal_store, determine_loop_nest_reuse):
2019         Improve debug output.
2020
2021 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
2022
2023         * dbgcnt.def (prefetch): New debug counter.
2024         * tree-ssa-loop-prefetch.c (dbgcnt.h): New include.
2025         (schedule_prefetches): Stop issueing prefetches if debug counter
2026         tripped.
2027
2028 2017-06-06  Tom de Vries  <tom@codesourcery.com>
2029
2030         * doc/sourcebuild.texi (Testsuites, C Language Testsuites,
2031         gcc.c-torture/compile): Remove mention of NO_LABEL_VALUES in fixme.
2032
2033 2017-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2034
2035         * config/aarch64/atomics.md (atomic_compare_and_swap<mode> expander):
2036         Use aarch64_reg_or_zero predicate for operand 4.
2037         (aarch64_compare_and_swap<mode> define_insn_and_split):
2038         Use aarch64_reg_or_zero predicate for operand 3.  Add 'Z' constraint.
2039         (aarch64_store_exclusive<mode>): Likewise for operand 2.
2040
2041 2017-06-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2042
2043         * config/arm/arm.c (arm_compute_save_reg_mask): Rename into ...
2044         (arm_compute_save_core_reg_mask): This.
2045         (thumb1_compute_save_reg_mask): Rename into ...
2046         (thumb1_compute_save_core_reg_mask): This.
2047         (arm_compute_save_reg0_reg12_mask): Adapt comment.
2048         (arm_compute_frame_layout): Likewise.
2049
2050 2017-06-06  Richard Biener  <rguenther@suse.de>
2051
2052         PR tree-optimization/80974
2053         * tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
2054         keep or clear leaders SSA info.
2055
2056 2017-06-06  Tom de Vries  <tom@codesourcery.com>
2057
2058         * config/nvptx/nvptx.c (split_mode_p): New function.
2059         (nvptx_declare_function_name, nvptx_print_operand): Use split_mode_p.
2060
2061 2017-06-06  Tom de Vries  <tom@codesourcery.com>
2062
2063         * config/nvptx/nvptx.c (nvptx_print_operand): Use maybe_split_mode.
2064
2065 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
2066
2067         PR bootstrap/80978
2068         * tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
2069         profile.
2070
2071 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
2072
2073         * shrink-wrap.c (handle_simple_exit): Update profile.
2074         (try_shrink_wrapping): Upate profile.
2075
2076 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
2077
2078         * predict.c (tree_estimate_probability_bb): Add LOCAL_ONLY.
2079         (tree_guess_outgoing_edge_probabilities): New.
2080         * predict.h (tree_guess_outgoing_edge_probabilities): Declare.
2081         * tree-cfg.c (gimple_find_sub_bbs): Propagate profile.
2082
2083 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
2084
2085         * ipa-split.c (split_function): Initialize return bb profile.
2086
2087 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
2088
2089         * profile.c (compute_branch_probabilities): Also initialize
2090         EXIT_BLOCK profile.
2091
2092 2017-06-06  Richard Biener  <rguenther@suse.de>
2093
2094         PR tree-optimization/80928
2095         * tree-vect-loop.c (vect_update_vf_for_slp): Amend dumps.
2096         (vect_analyze_loop_operations): Properly guard analysis for
2097         pure SLP case.
2098         (vect_transform_loop): Likewise.
2099         (vect_analyze_loop_2): Also reset SLP type on PHIs.
2100         (vect_model_induction_cost): Do not cost for pure SLP.
2101         (vectorizable_induction): Pass in SLP node, implement SLP vectorization
2102         of induction in inner loop vectorization.
2103         * tree-vect-slp.c (vect_create_new_slp_node): Handle PHIs.
2104         (vect_get_and_check_slp_defs): Handle vect_induction_def.
2105         (vect_build_slp_tree): Likewise.  Handle PHIs as terminating the
2106         recursion.
2107         (vect_analyze_slp_cost_1): Cost induction.
2108         (vect_detect_hybrid_slp_stmts): Handle PHIs.
2109         (vect_get_slp_vect_defs): Likewise.
2110         * tree-vect-stmts.c (vect_analyze_stmt): Handle induction.
2111         (vect_transform_stmt): Handle SLP reductions.
2112         * tree-vectorizer.h (vectorizable_induction): Adjust.
2113
2114 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
2115
2116         * config/rs6000/rs6000.c (make_resolver_func): Update
2117         init_lowered_empty_function call.
2118
2119 2017-06-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2120
2121         * doc/invoke.texi: Document the -fprofile-abs-path option.
2122         * common.opt (fprofile-abs-path): New option.
2123         * gcov-io.h (gcov_write_filename): Declare.
2124         * gcov-io.c (gcov_write_filename): New function.
2125         * coverage.c (coverage_begin_function): Use gcov_write_filename.
2126         * profile.c (output_location): Likewise.
2127
2128 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
2129
2130         * shring-wrap.c: Revert accidental commit.
2131
2132 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
2133
2134         * doc/invoke.texi (-Wduplicated-branches): Add to warning list.
2135
2136 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
2137
2138         * cfgexpand.c (expand_gimple_tailcall): Initialize profile of
2139         new edge.
2140         * ipa-inline.c (want_inline_self_recursive_call_p): Watch for missing
2141         profile in callgraph edge.
2142         * profile-count.h (apply_probability): If THIS is 0, then result is 0
2143         (apply_scale): Likewise.
2144         * tree-inline.c (copy_bb, copy_edges_for_bb, copy_cfg_body):
2145         Also scale profile when inlining function with zero profile.
2146         (initialize_cfun): Update exit block profile even when it is zero.
2147         * tree-ssa-threadupdate.c (clear_counts_path): Handle correctly case
2148         when profile is read.
2149
2150 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
2151
2152         * config/rs6000/rs6000.c (toplevel): Include attribs.h.
2153         (CLONE_*): New constants to define the processors we can generate
2154         code for with the target_clone attribute.
2155         (rs6000_clone_map): New array to identify which clone processors
2156         the current program is running on.
2157         (TARGET_COMPARE_VERSION_PRIORITY): Define to enable the
2158         target_clone attribute.
2159         (TARGET_GENERATE_VERSION_DISPATCHER_BODY): Likewise.
2160         (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): Likewise.
2161         (TARGET_OPTION_FUNCTION_VERSIONS): Likewise.
2162         (cpu_expand_builtin): Add support for target_clone attribute.
2163         (rs6000_valid_attribute_p): Allow "default" attribute.
2164         (get_decl_name): New debug function to simplify printing the
2165         current function name in debugging statements.
2166         (rs6000_clone_priority): New functions to support the target_clone
2167         attribute, and be able to generate code to switch between ISA 2.05
2168         through ISA 3.0 (power6 through power9).
2169         (rs6000_compare_version_priority): Likewise.
2170         (rs6000_get_function_versions_dispatcher): Likewise.
2171         (make_resolver_func): Likewise.
2172         (add_condition_to_bb): Likewise.
2173         (dispatch_function_versions): Likewise.
2174         (rs6000_generate_version_dispatcher_body): Likewise.
2175         (rs6000_can_inline_p): Call get_decl_name for debugging usage.
2176         (fusion_gpr_load_p): Fix a spacing issue.
2177         * doc/extend.texi (Common Function Attributes): Document that the
2178         PowerPC supports the target_clone attribute.
2179
2180 2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2181
2182         * config/arm/arm.h: explain F symbol found in description of ARM
2183         register allocation in its legend.
2184
2185 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
2186
2187         * config/mips/frame-header-opt.c: Include profile-count.h.
2188         * config/riscv/riscv.c: Include profile-count.h
2189
2190 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
2191
2192         * tree-ssa-loop-im.c (execute_sm_if_changed): Add FLAG_BBS parameter;
2193         update profile.
2194         (sm_set_flag_if_changed): Add bbs field.
2195         (execute_sm_if_changed_flag_set): Pass BBS.
2196         (execute_sm): Update.
2197
2198 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2199
2200         * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
2201         New pattern.
2202
2203 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2204
2205         * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): New define_insn.
2206         (peephole2): New peephole2 to emit the above.
2207         * config/aarch64/predicates.md (aarch64_sub_immediate): New predicate.
2208
2209 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2210
2211         * config/aarch64/aarch64.c (define_peephole2 above
2212         *sub_<shift>_<mode>): New peephole.
2213
2214 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
2215
2216         * config/i386/i386.c (make_resolver_func): Update.
2217         * Makefile.in: Add profile-count.h and profile-count.o
2218         * auto-profile.c (afdo_indirect_call): Update to new API.
2219         (afdo_set_bb_count): Update.
2220         (afdo_propagate_edge): Update.
2221         (afdo_propagate_circuit): Update.
2222         (afdo_calculate_branch_prob): Update.
2223         (afdo_annotate_cfg): Update.
2224         * basic-block.h: Include profile-count.h
2225         (struct edge_def): Turn count to profile_count.
2226         (struct basic_block_def): Likewie.
2227         (REG_BR_PROB_BASE): Move to profile-count.h
2228         (RDIV): Move to profile-count.h
2229         * bb-reorder.c (max_entry_count): Turn to profile_count.
2230         (find_traces): Update.
2231         (rotate_loop):Update.
2232         (connect_traces):Update.
2233         (sanitize_hot_paths):Update.
2234         * bt-load.c (migrate_btr_defs): Update.
2235         * cfg.c (RDIV): Remove.
2236         (init_flow): Use alloc_block.
2237         (alloc_block): Uninitialize count.
2238         (unchecked_make_edge): Uninitialize count.
2239         (check_bb_profile): Update.
2240         (dump_edge_info): Update.
2241         (dump_bb_info): Update.
2242         (update_bb_profile_for_threading): Update.
2243         (scale_bbs_frequencies_int): Update.
2244         (scale_bbs_frequencies_gcov_type): Update.
2245         (scale_bbs_frequencies_profile_count): New.
2246         * cfg.h (update_bb_profile_for_threading): Update.
2247         (scale_bbs_frequencies_profile_count): Declare.
2248         * cfgbuild.c (compute_outgoing_frequencies): Update.
2249         (find_many_sub_basic_blocks): Update.
2250         * cfgcleanup.c (try_forward_edges): Update.
2251         (try_crossjump_to_edge): Update.
2252         * cfgexpand.c (expand_gimple_tailcall): Update.
2253         (construct_exit_block): Update.
2254         * cfghooks.c (verify_flow_info): Update.
2255         (dump_bb_for_graph): Update.
2256         (split_edge): Update.
2257         (make_forwarder_block): Update.
2258         (duplicate_block): Update.
2259         (account_profile_record): Update.
2260         * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
2261         (get_estimated_loop_iterations): Update.
2262         * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
2263         (single_likely_exit): Update.
2264         * cfgloopmanip.c (scale_loop_profile): Update.
2265         (loopify): Update.
2266         (set_zero_probability): Update.
2267         (lv_adjust_loop_entry_edge): Update.
2268         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
2269         (purge_dead_edges): Update.
2270         (rtl_account_profile_record): Update.
2271         * cgraph.c (cgraph_node::create): Uninitialize count.
2272         (symbol_table::create_edge): Uninitialize count.
2273         (cgraph_update_edges_for_call_stmt_node): Update.
2274         (cgraph_edge::dump_edge_flags): Update.
2275         (cgraph_node::dump): Update.
2276         (cgraph_edge::maybe_hot_p): Update.
2277         * cgraph.h: Include profile-count.h
2278         (create_clone), create_edge, create_indirect_edge): Update.
2279         (cgraph_node): Turn count to profile_count.
2280         (cgraph_edge0: Likewise.
2281         (make_speculative, clone): Update.
2282         (create_edge): Update.
2283         (init_lowered_empty_function): Update.
2284         * cgraphclones.c (cgraph_edge::clone): Update.
2285         (duplicate_thunk_for_node): Update.
2286         (cgraph_node::create_clone): Update.
2287         * cgraphunit.c (cgraph_node::analyze): Update.
2288         (cgraph_node::expand_thunk): Update.
2289         * final.c (dump_basic_block_info): Update.
2290         * gimple-streamer-in.c (input_bb): Update.
2291         * gimple-streamer-out.c (output_bb): Update.
2292         * graphite.c (print_global_statistics): Update.
2293         (print_graphite_scop_statistics): Update.
2294         * hsa-brig.c: Include basic-block.h.
2295         * hsa-dump.c: Include basic-block.h.
2296         * hsa-gen.c (T sum_slice): Update.
2297         (convert_switch_statements):Update.
2298         * hsa-regalloc.c: Include basic-block.h.
2299         * ipa-chkp.c (chkp_produce_thunks): Update.
2300         * ipa-cp.c (struct caller_statistics): Update.
2301         (init_caller_stats): Update.
2302         (gather_caller_stats): Update.
2303         (ipcp_cloning_candidate_p): Update.
2304         (good_cloning_opportunity_p): Update.
2305         (get_info_about_necessary_edges): Update.
2306         (dump_profile_updates): Update.
2307         (update_profiling_info): Update.
2308         (update_specialized_profile): Update.
2309         (perhaps_add_new_callers): Update.
2310         (decide_about_value): Update.
2311         (ipa_cp_c_finalize): Update.
2312         * ipa-devirt.c (struct odr_type_warn_count): Update.
2313         (struct decl_warn_count): Update.
2314         (struct final_warning_record): Update.
2315         (possible_polymorphic_call_targets): Update.
2316         (ipa_devirt): Update.
2317         * ipa-fnsummary.c (redirect_to_unreachable): Update.
2318         * ipa-icf.c (sem_function::merge): Update.
2319         * ipa-inline-analysis.c (do_estimate_edge_time): Update.
2320         * ipa-inline.c (compute_uninlined_call_time): Update.
2321         (compute_inlined_call_time): Update.
2322         (want_inline_small_function_p): Update.
2323         (want_inline_self_recursive_call_p): Update.
2324         (edge_badness): Update.
2325         (lookup_recursive_calls): Update.
2326         (recursive_inlining): Update.
2327         (inline_small_functions): Update.
2328         (dump_overall_stats): Update.
2329         (dump_inline_stats): Update.
2330         * ipa-profile.c (ipa_profile_generate_summary): Update.
2331         (ipa_propagate_frequency): Update.
2332         (ipa_profile): Update.
2333         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
2334         * ipa-utils.c (ipa_merge_profiles): Update.
2335         * loop-doloop.c (doloop_modify): Update.
2336         * loop-unroll.c (report_unroll): Update.
2337         (unroll_loop_runtime_iterations): Update.
2338         * lto-cgraph.c (lto_output_edge): Update.
2339         (lto_output_node): Update.
2340         (input_node): Update.
2341         (input_edge): Update.
2342         (merge_profile_summaries): Update.
2343         * lto-streamer-in.c (input_cfg): Update.
2344         * lto-streamer-out.c (output_cfg): Update.
2345         * mcf.c (create_fixup_graph): Update.
2346         (adjust_cfg_counts): Update.
2347         (sum_edge_counts): Update.
2348         * modulo-sched.c (sms_schedule): Update.
2349         * postreload-gcse.c (eliminate_partially_redundant_load): Update.
2350         * predict.c (maybe_hot_count_p): Update.
2351         (probably_never_executed): Update.
2352         (dump_prediction): Update.
2353         (combine_predictions_for_bb): Update.
2354         (propagate_freq): Update.
2355         (handle_missing_profiles): Update.
2356         (counts_to_freqs): Update.
2357         (rebuild_frequencies): Update.
2358         (force_edge_cold): Update.
2359         * predict.h: Include profile-count.h
2360         (maybe_hot_count_p, counts_to_freqs): UPdate.
2361         * print-rtl-function.c: Do not include cfg.h
2362         * print-rtl.c: Include basic-block.h
2363         * profile-count.c: New file.
2364         * profile-count.h: New file.
2365         * profile.c (is_edge_inconsistent): Update.
2366         (correct_negative_edge_counts): Update.
2367         (is_inconsistent): Update.
2368         (set_bb_counts): Update.
2369         (read_profile_edge_counts): Update.
2370         (compute_frequency_overlap): Update.
2371         (compute_branch_probabilities): Update; Initialize and deinitialize
2372         gcov_count tables.
2373         (branch_prob): Update.
2374         * profile.h (bb_gcov_counts, edge_gcov_counts): New.
2375         (edge_gcov_count): New.
2376         (bb_gcov_count): New.
2377         * shrink-wrap.c (try_shrink_wrapping): Update.
2378         * tracer.c (better_p): Update.
2379         * trans-mem.c (expand_transaction): Update.
2380         (ipa_tm_insert_irr_call): Update.
2381         (ipa_tm_insert_gettmclone_call): Update.
2382         * tree-call-cdce.c: Update.
2383         * tree-cfg.c (gimple_duplicate_sese_region): Update.
2384         (gimple_duplicate_sese_tail): Update.
2385         (gimple_account_profile_record): Update.
2386         (execute_fixup_cfg): Update.
2387         * tree-inline.c (copy_bb): Update.
2388         (copy_edges_for_bb): Update.
2389         (initialize_cfun): Update.
2390         (freqs_to_counts): Update.
2391         (copy_cfg_body): Update.
2392         (expand_call_inline): Update.
2393         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
2394         * tree-ssa-loop-ivcanon.c (unloop_loops): Update.
2395         (try_unroll_loop_completely): Update.
2396         (try_peel_loop): Update.
2397         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
2398         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Update.
2399         * tree-ssa-loop-split.c (connect_loops): Update.
2400         * tree-ssa-loop-unswitch.c (hoist_guard): Update.
2401         * tree-ssa-reassoc.c (branch_fixup): Update.
2402         * tree-ssa-tail-merge.c (replace_block_by): Update.
2403         * tree-ssa-threadupdate.c (create_block_for_threading): Update.
2404         (compute_path_counts): Update.
2405         (update_profile): Update.
2406         (recompute_probabilities): Update.
2407         (update_joiner_offpath_counts): Update.
2408         (estimated_freqs_path): Update.
2409         (freqs_to_counts_path): Update.
2410         (clear_counts_path): Update.
2411         (ssa_fix_duplicate_block_edges): Update.
2412         (duplicate_thread_path): Update.
2413         * tree-switch-conversion.c (case_bit_test_cmp): Update.
2414         (struct switch_conv_info): Update.
2415         * tree-tailcall.c (decrease_profile): Update.
2416         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
2417         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
2418         * value-prof.c (check_counter): Update.
2419         (gimple_divmod_fixed_value): Update.
2420         (gimple_mod_pow2): Update.
2421         (gimple_mod_subtract): Update.
2422         (gimple_ic_transform): Update.
2423         (gimple_stringop_fixed_value): Update.
2424         * value-prof.h (gimple_ic): Update.
2425
2426 2017-06-02  Carl Love  <cel@us.ibm.com>
2427
2428         * config/rs6000/rs6000-c: Add support for built-in functions
2429         vector double vec_doublee (vector signed int);
2430         vector double vec_doublee (vector unsigned int);
2431         vector double vec_doublee (vector float);
2432         vector double vec_doubleh (vector signed int);
2433         vector double vec_doubleh (vector unsigned int);
2434         vector double vec_doubleh (vector float);
2435         vector double vec_doublel (vector signed int);
2436         vector double vec_doublel (vector unsigned int);
2437         vector double vec_doublel (vector float);
2438         vector double vec_doubleo (vector signed int);
2439         vector double vec_doubleo (vector unsigned int);
2440         vector double vec_doubleo (vector float);.
2441         * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
2442         DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
2443         UNS_DOUBLEL.
2444         * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
2445         unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
2446         unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
2447         VS_sxwsp.
2448         * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
2449         vec_doublel, vec_doubleh.
2450         * doc/extend.texi: Update the built-in documentation file for the
2451         new built-in functions.
2452
2453 2017-06-02  David Malcolm  <dmalcolm@redhat.com>
2454
2455         PR jit/80954
2456         * ipa-inline-analysis.c (free_growth_caches): Set
2457         edge_removal_hook_holder to NULL after removing it.
2458
2459 2017-06-02  Sudakshina Das  <sudi.das@arm.com>
2460
2461         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_SWP for
2462         comparision with zero.
2463
2464 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
2465         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
2466         for early expansion of vec_min and vec_max builtins.
2467         (builtin_function_type): Add min/max unsigned variants to those
2468         identified as having unsigned arguments.
2469
2470 2017-06-02  Olivier Hainque  <hainque@adacore.com>
2471
2472         * config/vx-common.h (DWARF_UNWIND_INFO): Switch #define to 1.
2473
2474 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2475
2476         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
2477         Use VALL_F16 iterator rather than VALL.
2478
2479 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2480
2481         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
2482         Emit CBNZ inside loop when doing a strong exchange and comparing
2483         against zero.  Generate the CC flags after the loop.
2484
2485 2017-06-02  David Edelsohn  <dje.gcc@gmail.com>
2486
2487         * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
2488         (dl_section_ref): New.
2489         (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
2490         On AIX, append an expression to subtract the size of the
2491         section length to dl_section_ref.
2492
2493 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
2494
2495         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
2496         for early expansion of vector absolute builtins.
2497
2498 2017-06-02  Richard Biener  <rguenther@suse.de>
2499
2500         * tree-vect-slp.c (vect_detect_hybrid_slp_2): Match up
2501         what we consider a relevant use stmt with vect_detect_hybrid_slp_stmts.
2502
2503 2017-06-02  Richard Biener  <rguenther@suse.de>
2504
2505         PR tree-optimization/80948
2506         * tree-tailcall.c (find_tail_calls): Track stmts to move in
2507         stmt order as well.
2508
2509 2017-06-02  Richard Biener  <rguenther@suse.de>
2510
2511         * tree-vect-loop.c (vect_analyze_loop_operations): Not relevant
2512         PHIs are ok.
2513         * tree-vect-stmts.c (process_use): Do not mark backedge defs
2514         for inductions as relevant.
2515
2516 2017-06-02  Richard Biener  <rguenther@suse.de>
2517
2518         * tree-vect-loop.c (get_initial_def_for_induction): Inline into ...
2519         (vectorizable_induction): ... this.  Remove dead code.
2520
2521 2017-06-02  Eric Botcazou  <ebotcazou@adacore.com>
2522
2523         * builtins. (expand_builtin_alloca): Remove second parameter and
2524         infer its value from the first parameter instead.
2525         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust call to above.
2526
2527 2017-06-02  Jakub Jelinek  <jakub@redhat.com>
2528
2529         PR rtl-optimization/80903
2530         * loop-doloop.c (add_test): Unshare sequence.
2531
2532 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2533
2534         * doc/invoke.texi: Document the -Wsizeof-pointer-div warning.
2535
2536 2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2537
2538         * config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers): Make
2539         static.
2540         (xlogue_layout::get_stack_space_used, xlogue_layout::s_instances,
2541         xlogue_layout::get_instance, logue_layout::xlogue_layout,
2542         sp_valid_at, fp_valid_at, choose_basereg): Formatting.
2543         (xlogue_layout::get_stub_rtx): Make static.
2544         (xlogue_layout::get_stub_name): Avoid const-cast, make static.
2545         (xlogue_layout::compute_stub_managed_regs): Rename to...
2546         (xlogue_layout::count_stub_managed_regs): ...this.
2547         (xlogue_layout::is_stub_managed_reg): New function.
2548         (xlogue_layout::m_stub_names): Rename to...
2549         (xlogue_layout::s_stub_names): ...this, make static.
2550         (xlogue_layout::STUB_INDEX_OFFSET, xlogue_layout::MIN_REGS,
2551         xlogue_layout::MAX_REGS, xlogue_layout::MAX_EXTRA_REGS,
2552         xlogue_layout::VARIANT_COUNT, xlogue_layout::STUB_NAME_MAX_LEN,
2553         xlogue_layout::s_stub_names): Instantiate statics.
2554         (stub_managed_regs): Remove.
2555         (ix86_save_reg): Use xlogue_layout::compute_stub_managed_regs.
2556         (disable_call_ms2sysv_xlogues): Rename to...
2557         (warn_once_call_ms2sysv_xlogues): ...this, and warn only once.
2558         (ix86_initial_elimination_offset, ix86_expand_call): Fix call_ms2sysv
2559         warning logic.
2560         (ix86_static_chain): Make sure that ix86_static_chain_on_stack can't
2561         change after reload_completed.
2562         (ix86_can_use_return_insn_p): Use the ix86_frame data structure
2563         directly.
2564         (ix86_expand_prologue): Likewise.
2565         (ix86_expand_epilogue): Likewise.
2566         (ix86_expand_split_stack_prologue): Likewise.
2567         (ix86_compute_frame_layout): Remove frame parameter ...
2568         (TARGET_COMPUTE_FRAME_LAYOUT): ... and export it as a target hook.
2569         (ix86_finalize_stack_realign_flags): Call ix86_compute_frame_layout
2570         only if necessary.
2571         (ix86_init_machine_status): Don't set use_fast_prologue_epilogue_nregs.
2572         (ix86_frame): Move from here ...
2573         * config/i386/i386.h (ix86_frame): ... to here.
2574         (machine_function): Remove use_fast_prologue_epilogue_nregs, cache the
2575         complete ix86_frame data structure instead.  Remove some_ld_name.
2576
2577 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
2578
2579         * dwarf2out.c (dwarf2out_late_global_decl): Add locations for
2580         symbols that hold a DECL_VALUE_EXPR.
2581
2582 2017-06-01  Martin Jambor  <mjambor@suse.cz>
2583
2584         PR tree-optimization/80898
2585         * tree-sra.c (process_subtree_disqualification): Removed.
2586         (disqualify_candidate): Do not acll
2587         process_subtree_disqualification.
2588         (subtree_mark_written_and_enqueue): New function.
2589         (propagate_all_subaccesses): Set grp_write of LHS subtree if the
2590         RHS has been disqualified and re-queue LHS if necessary.  Apart
2591         from that, ignore disqualified RHS.
2592
2593 2017-06-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2594
2595         * config/s390/s390.c (s390_emit_epilogue): Disable early return
2596         address fetch for z10 or later.
2597
2598 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
2599
2600         * config/arc/arc.md (tst_movb): Add guard when splitting.
2601
2602 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
2603
2604         * config/arc/arc.c (arc_can_eliminate): Test against
2605         arc_frame_pointer_needed.
2606
2607 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
2608
2609         * config/arc/arc.c (arc_expand_prologue): Emit a special barrier
2610         to prevent store reordering.
2611         * config/arc/arc.md (UNSPEC_ARC_STKTIE): Define.
2612         (type): Add block type.
2613         (stack_tie): Define special instruction to be used in
2614         expand_prologue.
2615
2616 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
2617
2618         * config/arc/arc.md (commutative_binary_comparison): Remove 'I'
2619         constraint. It is not valid for the pattern.
2620         (noncommutative_binary_comparison): Likewise.
2621
2622 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
2623
2624         * config/arc/simdext.md (movv2hi_insn): Change predicate to avoid
2625         scaled addresses.
2626
2627 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
2628
2629         * config/arc/arc.c (arc_conditional_register_usage): Allow r30 to
2630         be used by the reg-alloc.
2631
2632 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
2633
2634         * config/arc/arc.md (mulsi3): Avoid use of hard registers before
2635         reg-alloc when having mul64 or mul32x16 instructions.
2636         (mulsidi3): Likewise.
2637         (umulsidi3): Likewise.
2638         (mulsi32x16): New pattern.
2639         (mulsi64): Likewise.
2640         (mulsidi64): Likewise.
2641         (umulsidi64): Likewise.
2642         (MUL32x16_REG): Define.
2643         (mul64_600): Use MUL32x16_REG.
2644         (mac64_600): Likewise.
2645         (umul64_600): Likewise.
2646         (umac64_600): Likewise.
2647
2648 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
2649
2650         * config/arc/arc.md (mulsi3_700): Make it commutative.
2651
2652 2017-06-01  Jose E. Marchesi  <jose.marchesi@oracle.com>
2653
2654         * config/sparc/sparc.md (*zero_extendsidi2_insn_sp64): Set insn
2655         type for movstouw.
2656         (*sign_extendsidi2_insn): Likewise for movstosw.
2657
2658 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
2659
2660         * dwarf2out.c (get_discr_value): Call the get_debug_type hook on
2661         the type of the input discriminant value.  Convert the
2662         discriminant value of signedness vary.
2663
2664 2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>
2665
2666         * doc/invoke.texi (-Wcatch-value): Document new shortcut.
2667         Add to -Wall section.
2668
2669 2017-06-01  Richard Biener  <rguenther@suse.de>
2670
2671         PR middle-end/66313
2672         * fold-const.c (fold_plusminus_mult_expr): If the factored
2673         factor may be zero use a wrapping type for the inner operation.
2674         * tree-tailcall.c (independent_of_stmt_p): Pass in to_move bitmap
2675         and handle moved defs.
2676         (process_assignment): Properly guard the unary op case.  Return a
2677         tri-state indicating that moving the stmt before the call may allow
2678         to continue.  Pass through to_move.
2679         (find_tail_calls): Handle moving unrelated defs before
2680         the call.
2681
2682 2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
2683
2684         PR target/80618
2685         * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
2686         splitter result in the canonical way.
2687
2688 2017-05-31  Uros Bizjak  <ubizjak@gmail.com>
2689
2690         * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
2691         also for 32bit target.  Update insn attributes.
2692         (zero-extendsidi2 splitter): Allow all registers for operand 1.
2693
2694 2017-05-31  Sebastian Peryt  <sebastian.peryt@intel.com>
2695
2696         * config/i386/avx512fintrin.h (_mm_mask_max_sd)
2697         (_mm_maskz_max_sd, _mm_mask_max_ss, _mm_maskz_max_ss)
2698         (_mm_mask_min_sd, _mm_maskz_min_sd, _mm_mask_min_ss)
2699         (_mm_maskz_min_ss): New intrinsics.
2700
2701 2017-05-31  Martin Liska  <mliska@suse.cz>
2702
2703         * tree-vect-loop.c (vect_create_epilog_for_reduction):
2704         Change comment style to one we normally use.
2705         (vectorizable_reduction): Likewise.
2706         (vectorizable_induction): Likewise.
2707         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
2708         (vectorizable_call): Likewise.
2709         (vectorizable_simd_clone_call): Likewise.
2710         (vectorizable_conversion): Likewise.
2711         (vectorizable_assignment): Likewise.
2712         (vectorizable_shift): Likewise.
2713         (vectorizable_operation): Likewise.
2714         (vectorizable_store): Likewise.
2715         (vectorizable_load): Likewise.
2716         * tree-vectorizer.h: Likewise.
2717
2718 2017-05-31  Alexander Monakov  <amonakov@ispras.ru>
2719
2720         * passes.c (emergency_dump_function): New.
2721         * tree-pass.h (emergency_dump_function): Declare.
2722         * plugin.c (plugins_internal_error_function): Remove.
2723         * plugin.h (plugins_internal_error_function): Remove declaration.
2724         * toplev.c (internal_error_function): New static function.  Use it...
2725         (general_init): ...here.
2726
2727 2017-05-31  Graham Markall  <graham.markall@embecosm.com>
2728
2729         * config/arc/arc.c (arc_print_operand): Handle constant operands.
2730         (arc_rtx_costs): Add costs for new patterns.
2731         * config/arc/arc.md: Additional *add_n and *sub_n patterns.
2732         * config/arc/predicates.md: Add _1_2_3_operand predicate.
2733
2734 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
2735
2736         * tree-ssa-strlen.c (get_next_strinfo): New function.
2737         (get_stridx_plus_constant): Use it.
2738         (zero_length_string): Likewise.
2739         (adjust_related_strinfos): Likewise.
2740         (adjust_last_stmt): Likewise.
2741
2742 2017-05-31  Richard Biener  <rguenther@suse.de>
2743
2744         PR target/80880
2745         * config/i386/i386.c (ix86_expand_builtin): Remove assert
2746         for arg being an SSA name when expanding IX86_BUILTIN_BNDRET.
2747
2748 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
2749
2750         * tree-vect-data-refs.c (vect_find_same_alignment_drs): Remove
2751         loop_vinfo argument and use of dependence distance vectors.
2752         Check instead whether the two references differ only in their
2753         initial value and assume that they have the same alignment if the
2754         difference is a multiple of the vector alignment.
2755         (vect_analyze_data_refs_alignment): Update call accordingly.
2756
2757 2017-05-31  Martin Liska  <mliska@suse.cz>
2758
2759         PR target/79155
2760         * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.
2761
2762 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
2763
2764         * tree-vect-loop-manip.c (create_intersect_range_checks_index)
2765         (create_intersect_range_checks): Move from ...
2766         * tree-data-ref.c (create_intersect_range_checks_index)
2767         (create_intersect_range_checks): ... to here.
2768         (create_runtime_alias_checks): New function factored from ...
2769         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
2770         here.  Call above function.
2771         * tree-data-ref.h (create_runtime_alias_checks): New function.
2772
2773 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
2774
2775         * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
2776         segment length for dr_b and compute it in wide_int.
2777
2778 2017-05-31  Richard Biener  <rguenther@suse.de>
2779
2780         PR tree-optimization/80906
2781         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
2782         and pass through iv_map.
2783         (copy_bb_and_scalar_dependences): Adjust.
2784         (translate_pending_phi_nodes): Likewise.
2785         (copy_loop_close_phi_args): Handle code-generating IVs instead
2786         of ICEing.
2787
2788 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
2789
2790         * diagnostic-color.c (color_dict): Add "type-diff".
2791         (parse_gcc_colors): Update comment.
2792         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
2793         -fdiagnostics-show-template-tree and -fno-elide-type.
2794         (GCC_COLORS): Add type-diff to example.
2795         (type-diff=): New.
2796         (-fdiagnostics-show-template-tree): New.
2797         (-fno-elide-type): New.
2798         * pretty-print.c (pp_format): Pass quote and formatters[argno] to
2799         the pp_format_decoder callback.  Call any m_format_postprocessor's
2800         "handle" method.
2801         (pretty_printer::pretty_printer): Initialize
2802         m_format_postprocessor.
2803         (pretty_printer::~pretty_printer): Delete any
2804         m_format_postprocessor.
2805         * pretty-print.h (printer_fn): Add bool and const char ** parameters.
2806         (class format_postprocessor): New class.
2807         (struct pretty_printer::format_decoder): Document the new parameters.
2808         (struct pretty_printer::m_format_postprocessor): New field.
2809         * tree-diagnostic.c (default_tree_printer): Update for new
2810         bool and const char ** params.
2811         * tree-diagnostic.h (default_tree_printer): Likewise.
2812
2813 2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>
2814
2815         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
2816         (lwa_operand): Delete rs6000_gen_cell_microcode test.
2817         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
2818         rs6000_gen_cell_microcode code.
2819         (rs6000_final_prescan_insn): Delete.
2820         (rs6000_opt_vars): Delete the "gen-cell-microcode" and
2821         "warn-cell-microcode" entries.
2822         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
2823         * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
2824         throughout.  Change cc_reg_not_micro_cr0_operand to
2825         cc_reg_not_cr0_operand throughout.
2826         (*extendhi<mode>2_noload): Delete.
2827         * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
2828         (mwarn-cell-microcode): Delete.
2829         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
2830         -mgen-cell-microcode and -mwarn-cell-microcode.
2831
2832 2017-05-30  Uros Bizjak  <ubizjak@gmail.com>
2833
2834         PR target/80833
2835         * config/i386/constraints.md (Yd): New constraint.
2836         (Ye): Ditto.
2837         * config/i386/i386.md (*movti_internal): Add (?r, Ye)
2838         and (?Yd, r) alternatives.  Update insn attributes.
2839         * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
2840         and (?*Yd, r) alternatives.  Update insn attributes.
2841         (double-mode inter-unit splitters): Add new GR<->XMM splitters.
2842
2843 2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>
2844
2845         * gimplify.c (gimplify_modify_expr): Don't create a
2846         DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
2847         function.
2848
2849 2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
2850
2851         * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.
2852
2853 2017-05-30  Richard Biener  <rguenther@suse.de>
2854
2855         * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
2856         and reduc_def fields.
2857         (STMT_VINFO_REDUC_TYPE): New define.
2858         (STMT_VINFO_REDUC_DEF): Likewise.
2859         (vect_force_simple_reduction): Adjust prototype.
2860         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
2861         (vect_is_simple_reduction): Remove check_reduction argument.
2862         (vect_force_simple_reduction): Adjust and set
2863         STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
2864         (vectorizable_reduction): Do not re-do reduction analysis
2865         but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
2866         * tree-parloops.c (gather_scalar_reductions): Adjust.
2867
2868 2017-05-30  Richard Biener  <rguenther@suse.de>
2869
2870         PR middle-end/80901
2871         * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
2872         split_edge code.
2873
2874 2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>
2875
2876         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
2877         Introduce unknown_misalignment parameter and remove vf.
2878         (vect_peeling_hash_get_lowest_cost):
2879         Pass unknown_misalignment parameter.
2880         (vect_enhance_data_refs_alignment):
2881         Fix unsupportable data ref treatment.
2882
2883 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
2884
2885         * tree-vect-data-refs.c (vect_get_data_access_cost):
2886         Workaround for SLP handling.
2887         (vect_enhance_data_refs_alignment):
2888         Compute costs for doing no peeling at all, compare to the best
2889         peeling costs so far and avoid peeling if cheaper.
2890
2891 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
2892
2893         * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
2894         Return peeling info and set costs to zero for unlimited cost
2895         model.
2896         (vect_enhance_data_refs_alignment): Also inspect all datarefs
2897         with unknown misalignment. Compute and costs for unknown
2898         misalignment, compare them to the costs for known misalignment
2899         and choose the cheapest for peeling.
2900
2901 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
2902
2903         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
2904         (vect_get_peeling_costs_all_drs): Create function.
2905         (vect_peeling_hash_get_lowest_cost):
2906         Use vect_get_peeling_costs_all_drs.
2907         (vect_peeling_supportable): Create function.
2908         (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.
2909
2910 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
2911
2912         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
2913         DR_HAS_NEGATIVE_STEP.
2914         (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
2915         (vect_enhance_data_refs_alignment): Use.
2916         (vect_duplicate_ssa_name_ptr_info): Use.
2917         * tree-vectorizer.h (dr_misalignment): Use.
2918         (known_alignment_for_access_p): Use.
2919
2920 2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
2921
2922         PR target/78838
2923         * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
2924         .lowtext.
2925         (has_section_name): New function.
2926
2927 2017-05-30  Martin Liska  <mliska@suse.cz>
2928
2929         PR other/80909
2930         * auto-profile.c (get_function_decl_from_block): Fix
2931         parenthesis.
2932
2933 2017-05-30  Richard Biener  <rguenther@suse.de>
2934
2935         PR middle-end/80876
2936         * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.
2937
2938 2017-05-30  Martin Liska  <mliska@suse.cz>
2939
2940         * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
2941         * dumpfile.h (struct dump_file_info): Remove ctors.
2942
2943 2017-05-30  Martin Liska  <mliska@suse.cz>
2944
2945         * predict.def: Fix GNU coding style.
2946
2947 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
2948
2949         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
2950         Mark 'to' argument with ATTRIBUTE_UNUSED.
2951
2952 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
2953
2954         * config/xtensa/xtensa.c (xtensa_emit_call): Use
2955         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
2956         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
2957         format string.
2958
2959 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
2960
2961         * doc/install.texi (Options specification): Restore entry of
2962         --enable-sjlj-exceptions.
2963
2964 2017-05-27  Michael Eager  <eager@eagercon.com>
2965
2966         Revert:
2967         2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
2968
2969         See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
2970
2971         * config/microblaze/microblaze.h
2972         (FIXED_REGISTERS): Update in macro.
2973         (CALL_USED_REGISTERS): Update in macro.
2974
2975 2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>
2976
2977         * doc/install.texi: Add links to macOS binary distributions.
2978
2979 2017-05-27  Jakub Jelinek  <jakub@redhat.com>
2980
2981         PR bootstrap/80887
2982         Revert:
2983         2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
2984
2985         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
2986
2987 2017-05-26  Martin Liska  <mliska@suse.cz>
2988
2989         * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.
2990
2991 2017-05-26  Martin Liska  <mliska@suse.cz>
2992
2993         * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
2994         always leading ';; '.
2995         (dump_bb_info): Likewise.
2996         (brief_dump_cfg): Likewise.
2997         * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
2998         * dumpfile.c: Remove usage of TDF_VERBOSE.
2999         * dumpfile.h (enum dump_kind): Likewise.
3000         (dump_gimple_bb_header): Do not use TDF_COMMENT.
3001         * print-tree.c (debug_verbose): Remove.
3002         * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
3003         (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
3004         * tree-diagnostic.c (default_tree_printer): Replace
3005         TDF_DIAGNOSTIC with TDF_SLIM.
3006
3007 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
3008
3009         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
3010         in parameter loop, rather than loop_vinfo.
3011         (create_intersect_range_checks): Ditto.
3012         (vect_create_cond_for_alias_checks): Update call to above functions.
3013
3014 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
3015
3016         PR tree-optimization/80815
3017         * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
3018         for merging runtime alias checks.  Handle negative DR_STEPs.
3019
3020 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
3021
3022         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
3023         Move from ...
3024         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
3025         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
3026         out code pruning runtime alias checks.
3027         * tree-data-ref.c (prune_runtime_alias_test_list): New function
3028         factored out from above.
3029         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
3030         Move from ...
3031         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
3032         ... to here.
3033         (prune_runtime_alias_test_list): New decalaration.
3034
3035 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
3036
3037         * tree-vect-data-refs.c (compare_tree): Rename and move ...
3038         * tree-data-ref.c (data_ref_compare_tree): ... to here.
3039         * tree-data-ref.h (data_ref_compare_tree): New decalaration.
3040         * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
3041         (operator==, comp_dr_with_seg_len_pair): Ditto.
3042         (vect_prune_runtime_alias_test_list): Ditto.
3043
3044 2017-05-26  Martin Liska  <mliska@suse.cz>
3045
3046         PR ipa/80663
3047         * params.def: Bound partial-inlining-entry-probability param.
3048
3049 2017-05-26  Marek Polacek  <polacek@redhat.com>
3050
3051         PR sanitizer/80875
3052         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
3053         can be negated.
3054
3055 2017-05-26  Richard Biener  <rguenther@suse.de>
3056
3057         PR tree-optimization/80842
3058         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
3059         value.
3060
3061 2017-05-26  Richard Biener  <rguenther@suse.de>
3062
3063         PR tree-optimization/80844
3064         * tree-vectorizer.c (adjust_simduid_builtins): Propagate results.
3065
3066 2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>
3067
3068         * doc/md.texi (Machine Constraints): Update x86 family
3069         machine constraints section to match 'config/i386/constraints.md'.
3070
3071 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
3072
3073         * doc/invoke.texi (-Wcatch-value=): Document new warning option.
3074
3075 2017-05-25  Nathan Sidwell  <nathan@acm.org>
3076
3077         * doc/invoke.texi (--enable-languages): Update documentation.
3078
3079 2017-05-25  Martin Liska  <mliska@suse.cz>
3080
3081         * dumpfile.c: Add TDF_FOLDING.
3082         * dumpfile.h (enum dump_kind): Likewise.
3083         * genmatch.c (dt_simplify::gen_1): Use it.
3084
3085 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
3086
3087         * match.pd (view_convert (convert@0 @1)): Handle zero-extension.
3088
3089 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
3090
3091         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
3092         * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.
3093
3094 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
3095
3096         * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
3097         * match.pd (X == C): Rewrite it here.
3098         (with_possible_nonzero_bits, with_possible_nonzero_bits2,
3099         with_certain_nonzero_bits2): New predicates.
3100         * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.
3101
3102 2017-05-24  Nathan Sidwell  <nathan@acm.org>
3103
3104         * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
3105         avoid warning.
3106
3107         * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
3108         warning.
3109
3110 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
3111
3112         * config/powerpcspe: New port.  Files are copied from the rs6000
3113         port, with "rs6000" in filenames replaced by "powerpcspe".
3114
3115 2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
3116
3117         PR rtl-optimization/80754
3118         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
3119
3120 2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
3121
3122         * config/sparc/sparc.md (length): Return the correct value for -mflat
3123         sibcalls to match output_sibcall.
3124
3125 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
3126
3127         PR bootstrap/80860
3128         PR bootstrap/80843
3129         * config/rs6000/rs6000.c (struct machine_function): Add new field
3130         n_components.
3131         (rs6000_get_separate_components): Init that field, use it.
3132         (rs6000_components_for_bb): Use the field.
3133
3134 2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3135
3136         * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.
3137
3138 2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>
3139
3140         PR middle-end/80823
3141         * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
3142
3143 2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3144
3145         PR target/80725
3146         * config/s390/s390.c (s390_check_qrst_address): Check incoming
3147         address against address_operand predicate.
3148         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
3149
3150 2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>
3151
3152         * var-tracking.c (track_expr_p): Do not return 0 for tracked record
3153         parameters passed indirectly.
3154
3155 2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
3156
3157         * config/i386/i386.md (*movdi_internal): Remove SSE4
3158         alternative 18 (?r, *v).  Update insn attributes.
3159         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
3160         Update insn attributes.
3161         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
3162         Update insn attributes.
3163         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
3164         alternative 1 (r, v). Remove isa attribute.
3165         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
3166         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
3167         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
3168
3169 2017-05-23  Tom de Vries  <tom@codesourcery.com>
3170
3171         * doc/sourcebuild.texi (Directives, Verify compiler message): Document
3172         dg-line directive.
3173
3174 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
3175
3176         * cgraphunit.c (symbol_table::process_new_functions): Update.
3177         * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
3178         (inline_generate_summary): Rename to ...
3179         (ipa_fn_summary_generate): ... this one.
3180         (inline_read_summary): Rename to ...
3181         (ipa_fn_summary_read): ... this one.
3182         (inline_write_summary): Rename to ...
3183         (ipa_fn_summary_write): ... this one.
3184         (inline_free_summary): Rename to ...
3185         (ipa_free_fn_summary): ... this one.
3186         (pass_data_local_fn_summary, pass_local_fn_summary,
3187         make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
3188         pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
3189         pass_data_ipa_fn_summary, pass_ipa_fn_summary,
3190         make_pass_ipa_fn_summary): New.
3191         * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
3192         inline_write_summary, inline_free_summary): Remove.
3193         (ipa_free_fn_summary) : New.
3194         * ipa-inline.c (ipa_inline): Update.
3195         (pass_ipa_inline): Do not generate summaries.
3196         * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
3197         Remove.
3198         * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
3199         and add pass_ipa_fn_summary.
3200         * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
3201         New.
3202         (make_pass_inline_parameters): Remove.
3203
3204 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
3205
3206         * omp-low.c (struct omp_context): Remove "default_kind" member.
3207         Adjust all users.
3208
3209         * omp-offload.c (execute_oacc_device_lower): Remove the
3210         parallelism dimensions function attributes for unparallelized
3211         OpenACC kernels constructs.
3212
3213 2017-05-23  Martin Liska  <mliska@suse.cz>
3214
3215         * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
3216         functions.
3217         (cgraph_edge::make_speculative): Likewise.
3218         (cgraph_edge::resolve_speculation): Likewise.
3219         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
3220         (cgraph_node::dump): Likewise.
3221         * cgraph.h: Likewise.
3222         * cgraphunit.c (analyze_functions): Likewise.
3223         (symbol_table::compile): Likewise.
3224         * ipa-cp.c (print_all_lattices): Likewise.
3225         (determine_versionability): Likewise.
3226         (initialize_node_lattices): Likewise.
3227         (ipcp_verify_propagated_values): Likewise.
3228         (estimate_local_effects): Likewise.
3229         (update_profiling_info): Likewise.
3230         (create_specialized_node): Likewise.
3231         (perhaps_add_new_callers): Likewise.
3232         (decide_about_value): Likewise.
3233         (decide_whether_version_node): Likewise.
3234         (identify_dead_nodes): Likewise.
3235         (ipcp_store_bits_results): Likewise.
3236         * ipa-devirt.c (dump_targets): Likewise.
3237         (ipa_devirt): Likewise.
3238         * ipa-icf.c (sem_item::dump): Likewise.
3239         (sem_function::equals): Likewise.
3240         (sem_variable::equals): Likewise.
3241         (sem_item_optimizer::read_section): Likewise.
3242         (sem_item_optimizer::execute): Likewise.
3243         (congruence_class::dump): Likewise.
3244         * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
3245         (dump_inline_summary): Likewise.
3246         (estimate_node_size_and_time): Likewise.
3247         (inline_analyze_function): Likewise.
3248         * ipa-inline-transform.c (inline_call): Likewise.
3249         * ipa-inline.c (report_inline_failed_reason): Likewise.
3250         (want_early_inline_function_p): Likewise.
3251         (edge_badness): Likewise.
3252         (update_edge_key): Likewise.
3253         (inline_small_functions): Likewise.
3254         * ipa-profile.c (ipa_profile): Likewise.
3255         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3256         (ipa_make_edge_direct_to_target): Likewise.
3257         (remove_described_reference): Likewise.
3258         (ipa_impossible_devirt_target): Likewise.
3259         (propagate_controlled_uses): Likewise.
3260         (ipa_print_node_params): Likewise.
3261         (ipcp_transform_function): Likewise.
3262         * ipa-pure-const.c (pure_const_read_summary): Likewise.
3263         (propagate_pure_const): Likewise.
3264         * ipa-reference.c (generate_summary): Likewise.
3265         (read_write_all_from_decl): Likewise.
3266         (propagate): Likewise.
3267         (ipa_reference_read_optimization_summary): Likewise.
3268         * ipa-utils.c (ipa_merge_profiles): Likewise.
3269         * ipa.c (walk_polymorphic_call_targets): Likewise.
3270         (symbol_table::remove_unreachable_nodes): Likewise.
3271         (ipa_single_use): Likewise.
3272         * passes.c (execute_todo): Likewise.
3273         * predict.c (drop_profile): Likewise.
3274         * symtab.c (symtab_node::get_dump_name): New function.
3275         (symtab_node::dump_name): Likewise.
3276         (symtab_node::dump_asm_name): Likewise.
3277         (symtab_node::dump_references): Likewise.
3278         (symtab_node::dump_referring): Likewise.
3279         (symtab_node::dump_base): Likewise.
3280         (symtab_node::debug_symtab): Likewise.
3281         * tree-sra.c (convert_callers_for_node): Likewise.
3282         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3283         * value-prof.c (init_node_map): Likewise.
3284
3285 2017-05-23  Martin Liska  <mliska@suse.cz>
3286
3287         * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
3288         and symtab_node::debug_symtab to symbol_table::debug.
3289         * cgraphunit.c (analyze_functions): Use the renamed function.
3290         (symbol_table::compile): Likewise.
3291         * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
3292         * ipa-icf.c (sem_item_optimizer::execute): Likewise.
3293         * passes.c (execute_todo): Likewise.
3294         * symtab.c (symbol_table::dump): New function.
3295         * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.
3296
3297 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
3298
3299         * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
3300         that nonconst implies exec.
3301
3302 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
3303
3304         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
3305         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
3306         (inline_edge_summary_vec): Turn into ...
3307         (ipa_call_summaries): ... this one.
3308         (redirect_to_unreachable, edge_set_predicate,
3309         evaluate_properties_for_edge, inline_summary_alloc,
3310         reset_ipa_call_summary, reset_inline_summary,
3311         inline_summary_t::duplicate): Update.
3312         (inline_edge_duplication_hook): Turn to ...
3313         (ipa_call_summary_t::duplicate): ... this one.
3314         (inline_edge_removal_hook): Turn to ...
3315         (ipa_call_summary_t::remove): ... this one.
3316         (dump_inline_edge_summary): Turn to ...
3317         (dump_ipa_call_summary): ... this one.
3318         (estimate_function_body_sizes): Update.
3319         (inline_update_callee_summaries): Update.
3320         (remap_edge_change_prob): Update.
3321         (remap_edge_summaries): Update.
3322         (inline_merge_summary): Update.
3323         (do_estimate_edge_time): Update.
3324         (inline_generate_summary): Update.
3325         (inline_read_section): Update.
3326         (inline_read_summary): Update.
3327         (inline_free_summary): Update.
3328         * ipa-inline.c (can_inline_edge_p): Update.
3329         (compute_inlined_call_time): Update.
3330         (want_inline_small_function_p): Update.
3331         (edge_badness): Update.
3332         (early_inliner): Update.
3333         * ipa-inline.h (inline_edge_summary): Turn to ...
3334         (ipa_call_summary): ... this one.
3335         (ipa_call_summary_t): New class.
3336         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
3337         (ipa_call_summaries): New.
3338         (inline_edge_summary): Remove.
3339         (estimate_edge_growth): Update.
3340         * ipa-profile.c (ipa_propagate_frequency_1): Update.
3341         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
3342         * ipa-split.c (execute_split_functions): Update.
3343         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
3344
3345 2017-05-23  Tom de Vries  <tom@codesourcery.com>
3346
3347         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
3348         attributes): Document rdrand effective target.
3349
3350 2017-05-23  Tom de Vries  <tom@codesourcery.com>
3351
3352         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
3353         attributes): Sort alphabetically.
3354
3355 2017-05-23  Georg-Johann Lay  <avr@gjlay.de>
3356
3357         * config/avr/genmultilib.awk: Use gsub instead of gensub.
3358
3359 2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
3360
3361         PR target/80718
3362         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
3363         V2DF/V2DI splat into two separate patterns, one that handles
3364         registers, and the other that only handles memory.  Drop support
3365         for splatting from a GPR on ISA 2.07 and then splitting the
3366         splat into direct move and splat.
3367         (vsx_splat_<mode>_reg): Likewise.
3368         (vsx_splat_<mode>_mem): Likewise.
3369
3370 2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>
3371
3372         * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.
3373
3374 2017-05-22  Jakub Jelinek  <jakub@redhat.com>
3375
3376         PR middle-end/80809
3377         * omp-low.c (finish_taskreg_remap): New function.
3378         (finish_taskreg_scan): If unit size of ctx->record_type
3379         is non-constant, unshare the size expression and replace
3380         decls in it with possible outer var refs.
3381
3382         PR middle-end/80809
3383         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
3384         GOVD_SHARED rather than GOVD_PRIVATE with it.
3385         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
3386         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
3387
3388         PR middle-end/80853
3389         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
3390         as last argument to build_outer_var_ref for pointer bases of array
3391         section reductions.
3392
3393 2017-05-19  Martin Sebor  <msebor@redhat.com>
3394
3395         * print-tree.c (print_node): Print DECL_READ_P flag.
3396
3397 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
3398
3399         * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
3400         * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
3401         * cgraph.c: Likewise.
3402         * cgraphunit.c: Likewise.
3403         * gengtype.c: Likewise.
3404         * ipa-cp.c: Likewise.
3405         * ipa-devirt.c: Likewise.
3406         * ipa-icf.c: Likewise.
3407         * ipa-predicate.c: Likewise.
3408         * ipa-profile.c: Likewise.
3409         * ipa-prop.c: Likewise.
3410         * ipa-split.c: Likewise.
3411         * ipa.c: Likewise.
3412         * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
3413         edge_predicate_pool, dump_inline_hints,
3414         inline_summary::account_size_time, redirect_to_unreachable,
3415         edge_set_predicate, set_hint_predicate,
3416         evaluate_conditions_for_known_args, evaluate_properties_for_edge,
3417         inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
3418         inline_summary_t::remove, remap_hint_predicate_after_duplication,
3419         inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
3420         ipa_call_summary_t::remove, initialize_growth_caches,
3421         free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
3422         debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
3423         mark_modified, unmodified_parm_1, unmodified_parm,
3424         unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
3425         set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
3426         compute_bb_predicates, will_be_nonconstant_expr_predicate,
3427         will_be_nonconstant_predicate, record_modified_bb_info,
3428         get_minimal_bb, record_modified, param_change_prob,
3429         phi_result_unknown_predicate, predicate_for_phi_result,
3430         array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
3431         estimate_function_body_sizes, compute_inline_parameters,
3432         compute_inline_parameters_for_curren, pass_data_inline_parameters,
3433         estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
3434         inline_update_callee_summaries, remap_edge_change_prob,
3435         remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
3436         inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
3437         inline_analyze_function, inline_summary_t::insert,
3438         inline_generate_summary, read_ipa_call_summary, inline_read_section,
3439         inline_read_summary, write_ipa_call_summary, inline_write_summary,
3440         inline_free_summary): Move to ipa-fnsummary.h
3441         (predicate_t): Remove.
3442         * ipa-fnsummary.c: New file.
3443         * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
3444         (enum inline_hints_vals, inline_hints, agg_position_info,
3445         INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
3446         inline_summaries, ipa_call_summary, ipa_call_summary_t,
3447         ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
3448         dump_inline_summary, dump_inline_hints, inline_generate_summary,
3449         inline_read_summary, inline_write_summary, inline_free_summary,
3450         inline_analyze_function, initialize_inline_failed,
3451         inline_merge_summary, inline_update_overall_summary,
3452         compute_inline_parameters): Move to ipa-fnsummary.h
3453         * ipa-fnsummary.h: New file.
3454         * ipa-inline-transform.h: Include ipa-inline.h.
3455         * ipa-inline.c: LIkewise.
3456
3457 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
3458
3459         * ipa-inline.c (edge_badness): Use inlined_time instead of
3460         inline_summaries->get.
3461
3462 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
3463
3464         * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.
3465
3466 2017-05-22  Nathan Sidwell  <nathan@acm.org>
3467
3468         * doc/invoke.texi (fdump-translation-unit): Delete documentation.
3469         (fdump-lang): Document 'raw' option.
3470         * dumpfile.h (TDI_tu): Delete.
3471         * dumpfile.c (dump_files): Remove translation-unit.
3472         (FIRST_AUTO_NUMBERED_DUMP): Decrement.
3473
3474 2017-05-22  Georg-Johann Lay  <avr@gjlay.de>
3475
3476         * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
3477         command option from $(AWK) call.
3478         * config/avr/genmultilib.awk: Simplify and rewrite so that it
3479         generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
3480         [FORMAT]: Remove handling of variable.
3481         * config/avr/t-multilib: Regenerate.
3482
3483 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
3484
3485         * ipa-inline-analysis.c (inline_summary::reset): Do not reset
3486         self_time.
3487         (dump_inline_summary): Do not print self_time.
3488         (estimate_function_body_sizes): Do not set self_time.
3489         (compute_inline_parameters): Likewise.
3490         (inline_read_section, inline_write_summary): Do not stream self_time.
3491         * ipa-inline.h (inline_summary): Drop self_time.
3492
3493 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
3494
3495         * ipa-inline-analysis.c (account_size_time): Rename to ...
3496         (inline_summary::account_size_time): ... this one.
3497         (reset_ipa_call_summary): Turn to ...
3498         (ipa_call_summary::reset): ... this one.
3499         (reset_inline_summary): Turn to ...
3500         (inline_summary::reset): ... this one.
3501         (inline_summary_t::remove): Update.
3502         (inline_summary_t::duplicate): Update.
3503         (ipa_call_summary_t::remove): Update.
3504         (dump_inline_summary): Update.
3505         (estimate_function_body_sizes): Update.
3506         (compute_inline_parameters): Update.
3507         (estimate_node_size_and_time): Update.
3508         (inline_merge_summary): Update.
3509         (inline_update_overall_summary): Update.
3510         (inline_read_section): Update.
3511         (inline_write_summary): Update.
3512         * ipa-inline.h (inline_summary): Rename entry to size_time_table;
3513         add account_size_time and reset member functions.
3514         (ipa_call_summary): Add reset function.
3515         * ipa-predicate.h (predicate::operator &): Constify.
3516
3517 2017-05-22  Richard Biener  <rguenther@suse.de>
3518
3519         * df-scan.c (df_insn_refs_verify): Speedup when not verifying.
3520
3521 2017-05-19  Jason Merrill  <jason@redhat.com>
3522
3523         * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.
3524
3525 2017-05-19  Marek Polacek  <polacek@redhat.com>
3526
3527         PR sanitizer/80800
3528         * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
3529         TYPE_OVERFLOW_WRAPS checks.
3530
3531 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
3532
3533         * tree-core.h (enum omp_clause_default_kind): Add
3534         "OMP_CLAUSE_DEFAULT_PRESENT".
3535         * tree-pretty-print.c (dump_omp_clause): Handle it.
3536         * gimplify.c (enum gimplify_omp_var_data): Add
3537         "GOVD_MAP_FORCE_PRESENT".
3538         (gimplify_adjust_omp_clauses_1): Map it to
3539         "GOMP_MAP_FORCE_PRESENT".
3540         (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".
3541
3542         * gimplify.c (oacc_default_clause): Clarify.
3543
3544 2017-05-19  Nathan Sidwell  <nathan@acm.org>
3545
3546         LANG_HOOK_REGISTER_DUMPS
3547         * toplev.c (general_init): Call register dump lang hook.
3548         * doc/invoke.texi: Document -fdump-lang option family.
3549         * dumpfile.c (dump_files): Remove class dump here.
3550         (FIRST_AUTO_NUMBERED_DUMP): Adjust.
3551         * dumpfile.h (tree_dump_index): Remove TDI_class.
3552         * langhooks-def.h (lhd_register_dumps): Declare.
3553         (LANG_HOOKS_REGISTER_DUMPS): Define.
3554         (LANG_HOOKS_INITIALIZER): Add it.
3555         * langhooks.c (lhd_register_dumps): Define.
3556         * langhooks.h (struct lang_hooks): Add register_dumps.
3557
3558 2017-05-19  Nathan Sidwell  <nathan@acm.org>
3559
3560         * context.h (context::set_passes): New.
3561         * context.c (context::context): Do not create pass manager.
3562         * toplev.c (general_init): Create pass manager here.
3563
3564 2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3565
3566         * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
3567         use this splitter if two add or or instructions would also work for
3568         the constant we want to generate.
3569
3570 2017-05-19  Richard Biener  <rguenther@suse.de>
3571
3572         PR build/80821
3573         * genmatch.c (dt_node::gen_kids_1): Add missing scope around
3574         predicate evaluation.
3575
3576 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
3577
3578         * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
3579         add ctor.
3580         * ipa-inline.c (want_inline_small_function_p): Do not cast to
3581         unsigned.
3582
3583 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
3584
3585         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
3586         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
3587         (inline_edge_summary_vec): Turn into ...
3588         (ipa_call_summaries): ... this one.
3589         (redirect_to_unreachable, edge_set_predicate,
3590         evaluate_properties_for_edge, inline_summary_alloc,
3591         reset_ipa_call_summary, reset_inline_summary,
3592         inline_summary_t::duplicate): Update.
3593         (inline_edge_duplication_hook): Turn to ...
3594         (ipa_call_summary_t::duplicate): ... this one.
3595         (inline_edge_removal_hook): Turn to ...
3596         (ipa_call_summary_t::remove): ... this one.
3597         (dump_inline_edge_summary): Turn to ...
3598         (dump_ipa_call_summary): ... this one.
3599         (estimate_function_body_sizes): Update.
3600         (inline_update_callee_summaries): Update.
3601         (remap_edge_change_prob): Update.
3602         (remap_edge_summaries): Update.
3603         (inline_merge_summary): Update.
3604         (do_estimate_edge_time): Update.
3605         (inline_generate_summary): Update.
3606         (inline_read_section): Update.
3607         (inline_read_summary): Update.
3608         (inline_free_summary): Update.
3609         * ipa-inline.c (can_inline_edge_p): Update.
3610         (compute_inlined_call_time): Update.
3611         (want_inline_small_function_p): Update.
3612         (edge_badness): Update.
3613         (early_inliner): Update.
3614         * ipa-inline.h (inline_edge_summary): Turn to ...
3615         (ipa_call_summary): ... this one.
3616         (ipa_call_summary_t): New class.
3617         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
3618         (ipa_call_summaries): New.
3619         (inline_edge_summary): Remove.
3620         (estimate_edge_growth): Update.
3621         * ipa-profile.c (ipa_propagate_frequency_1): Update.
3622         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
3623         * ipa-split.c (execute_split_functions): Update.
3624         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
3625
3626 2017-05-19  Richard Biener  <rguenther@suse.de>
3627
3628         PR middle-end/80764
3629         * cfgexpand.c (expand_gimple_cond): Fix loop fixup.
3630
3631 2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
3632
3633         * config/rs6000/rs6000.c (struct machine_function): Add field
3634         fpr_is_wrapped_separately.
3635         (rs6000_get_separate_components): Use 64 components.  Handle the
3636         new FPR components.
3637         (rs6000_components_for_bb): Handle the FPR components.
3638         (rs6000_emit_prologue_components): Handle the FPR components.
3639         (rs6000_emit_epilogue_components): Handle the FPR components.
3640         (rs6000_set_handled_components): Handle the FPR components.
3641         (rs6000_emit_prologue): Don't output prologue code for those FPRs
3642         that are already separately shrink-wrapped.
3643         (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
3644         that are already separately shrink-wrapped.
3645
3646 2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
3647
3648         PR target/80510
3649         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
3650         New predicate.
3651
3652         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
3653         (define_peephole2 for Altivec d-form load): Add peepholes to catch
3654         cases where the register allocator uses a move and an offsettable
3655         memory operation to/from a FPR register on ISA 2.06/2.07.
3656         (define_peephole2 for Altivec d-form store): Likewise.
3657
3658 2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
3659
3660         PR target/80799
3661         * config/i386/mmx.md (*mov<mode>_internal): Enable
3662         alternatives 11, 12, 13 and 14 also for 32bit targets.
3663         Remove alternatives 15, 16, 17 and 18.
3664         * config/i386/sse.md (vec_concatv2di): Change
3665         alternative (!x, *y) to (x, ?!*Yn).
3666
3667 2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
3668
3669         * dumpfile.h (enum dump_kind): Remove stray comma.
3670
3671 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
3672
3673         * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
3674         * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
3675         predicate::num_conditions
3676         (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
3677         (CHANGED): turn into predicate::changed.
3678         (agg_position_info): Move to ipa-predicate.h
3679         (add_condition, predicate::add_clause, predicate::operator &=,
3680         predicate::or_with, predicate::evaluate, predicate::probability,
3681         dump_condition, dump_clause, predicate::dump,
3682         predicate::remap_after_duplication, predicate::remap_after_inlining,
3683         predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
3684         (evaluate_conditions_for_known_args): Update.
3685         (set_cond_stmt_execution_predicate): Update.
3686         * ipa-inline.h: Include ipa-predicate.h
3687         (condition, inline_param_summary, conditions, agg_position_info,
3688         predicate): Move to ipa-predicate.h
3689         * ipa-predicate.c: New file.
3690         * ipa-predicate.h: New file.
3691
3692 2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>
3693
3694         * final.c (leaf_function_p): Check we are not in a sequence.
3695
3696 2017-05-18  Martin Liska  <mliska@suse.cz>
3697
3698         * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
3699         * dumpfile.c (dump_register): Use new enum dump_kind.
3700         (get_dump_file_name): Likewise.
3701         (dump_enable_all): Likewise.
3702         (dump_switch_p_1): Likewise.
3703         (enable_rtl_dump_file): Remove usage of TDF_RTL.
3704         * dumpfile.h (enum dump_kind): New enum type.
3705         (struct dump_file_info): Create constructor and
3706         format fields and comments.
3707         * passes.c (pass_manager::register_one_dump_file):
3708         Use num dump_kind.
3709         * statistics.c (statistics_early_init): Likewise.
3710         * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
3711         TDF_TREE with TDF_SLIM.
3712         (gather_memory_references_ref): Likewise.
3713
3714 2017-05-18  Martin Liska  <mliska@suse.cz>
3715
3716         * vec.h (struct vnull): Use it.
3717
3718 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
3719
3720         * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
3721         (true_predicate, false_predicate, true_predicate_p,
3722         false_predicate_p): Remove.
3723         (single_cond_predicate, not_inlined_predicate): Turn to member function
3724         in ipa-inline.h
3725         (add_condition): Update.
3726         (add_clause): Turn to...
3727         (predicate::add_clause): ... this one; update; allow passing NULL
3728         as parameter.
3729         (and_predicates): Turn to ...
3730         (predicate::operator &=): ... this one.
3731         (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
3732         (or_predicates): Turn to ...
3733         (predicate::or_with): ... this one.
3734         (evaluate_predicate): Turn to ...
3735         (predicate::evaluate): ... this one.
3736         (predicate_probability): Turn to ...
3737         (predicate::probability): ... this one.
3738         (dump_condition): Update.
3739         (dump_predicate): Turn to ...
3740         (predicate::dump): ... this one.
3741         (account_size_time): Update.
3742         (edge_set_predicate): Update.
3743         (set_hint_predicate): UPdate.
3744         (evaluate_conditions_for_known_args): Update.
3745         (evaluate_properties_for_edge): Update.
3746         (remap_predicate_after_duplication): Turn to...
3747         (predicate::remap_after_duplication): ... this one.
3748         (remap_hint_predicate_after_duplication): Update.
3749         (inline_summary_t::duplicate): UPdate.
3750         (dump_inline_edge_summary): Update.
3751         (dump_inline_summary): Update.
3752         (set_cond_stmt_execution_predicate): Update.
3753         (set_switch_stmt_execution_predicate): Update.
3754         (compute_bb_predicates): Update.
3755         (will_be_nonconstant_expr_predicate): Update.
3756         (will_be_nonconstant_predicate): Update.
3757         (phi_result_unknown_predicate): Update.
3758         (predicate_for_phi_result): Update.
3759         (array_index_predicate): Update.
3760         (estimate_function_body_sizes): Update.
3761         (estimate_node_size_and_time): Update.
3762         (estimate_ipcp_clone_size_and_time): Update.
3763         (remap_predicate): Rename to ...
3764         (predicate::remap_after_inlining): ... this one.
3765         (remap_hint_predicate): Update.
3766         (inline_merge_summary): Update.
3767         (inline_update_overall_summary): Update.
3768         (estimate_size_after_inlining): Update.
3769         (read_predicate): Rename to ...
3770         (predicate::stream_in): ... this one.
3771         (read_inline_edge_summary): Update.
3772         (write_predicate): Rename to ...
3773         (predicate::stream_out): ... this one.
3774         (write_inline_edge_summary): Update.
3775         * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
3776         (clause_t): Turn to uint32_t
3777         (predicate): Turn to class; implement constructor and operators
3778         ==, !=, &
3779         (size_time_entry): Update.
3780         (inline_summary): Update.
3781         (inline_edge_summary): Update.
3782
3783 2017-05-18  Marc Glisse  <marc.glisse@inria.fr>
3784
3785         * fold-const.c (fold_binary_loc): Move transformation...
3786         * match.pd (C - X CMP X): ... here.
3787
3788 2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
3789
3790         * config/sparc/sparc.c (sparc_option_override): Set function
3791         alignment for -mcpu=niagara7 to 64 to match the I$ line.
3792         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
3793         latency to 1.
3794         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
3795         latency to 2.
3796         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
3797
3798 2017-05-18  Marek Polacek  <polacek@redhat.com>
3799
3800         PR sanitizer/80797
3801         * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
3802         (pass_ubsan::execute): Call gimple_assign_single_p instead of
3803         gimple_assign_load_p.
3804
3805 2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
3806
3807         PR middle-end/80692
3808         * real.c (do_compare): Give decimal_do_compare preference over
3809         comparing just the signs.
3810
3811 2017-05-17  Uros Bizjak  <ubizjak@gmail.com>
3812
3813         * doc/md.texi (Canonicalization of Instructions): Describe the
3814         canonical form of instructions that inherently set a condition
3815         code register.
3816
3817 2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>
3818
3819         PR middle-end/80775
3820         * tree-cfg.c: Move deletion of unreachable case statements to after
3821         the merging of consecutive case labels.
3822
3823 2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3824
3825         * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
3826         readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
3827         restoring of callee-saved registers.
3828
3829 2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>
3830
3831         * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
3832         * config/visium/visium.c (single_set_and_flags): Likewise.
3833         * config/visium/visium.md (Substitutions): Likewise.
3834
3835 2017-05-17  Martin Liska  <mliska@suse.cz>
3836
3837         * cfg.c: Introduce dump_flags_t type and
3838         use it instead of int type.
3839         * cfg.h: Likewise.
3840         * cfghooks.c: Likewise.
3841         * cfghooks.h (struct cfg_hooks): Likewise.
3842         * cfgrtl.c: Likewise.
3843         * cfgrtl.h: Likewise.
3844         * cgraph.c (cgraph_node::get_body): Likewise.
3845         * coretypes.h: Likewise.
3846         * domwalk.c: Likewise.
3847         * domwalk.h: Likewise.
3848         * dumpfile.c (struct dump_option_value_info): Likewise.
3849         (dump_enable_all): Likewise.
3850         (dump_switch_p_1): Likewise.
3851         (opt_info_switch_p): Likewise.
3852         * dumpfile.h (enum tree_dump_index): Likewise.
3853         (struct dump_file_info): Likewise.
3854         * genemit.c: Likewise.
3855         * generic-match-head.c: Likewise.
3856         * gengtype.c (open_base_files): Likewise.
3857         * gimple-pretty-print.c: Likewise.
3858         * gimple-pretty-print.h: Likewise.
3859         * graph.c (print_graph_cfg): Likewise.
3860         * graphite-scop-detection.c (dot_all_sese): Likewise.
3861         * ipa-devirt.c (build_type_inheritance_graph): Likewise.
3862         * loop-unroll.c (report_unroll): Likewise.
3863         * passes.c (pass_manager::register_one_dump_file): Likewise.
3864         * print-tree.c: Likewise.
3865         * statistics.c: Likewise.
3866         * tree-cfg.c: Likewise.
3867         * tree-cfg.h: Likewise.
3868         * tree-dfa.c: Likewise.
3869         * tree-dfa.h: Likewise.
3870         * tree-dump.c (dump_function): Likewise.
3871         * tree-dump.h (struct dump_info): Likewise.
3872         * tree-pretty-print.c: Likewise.
3873         * tree-pretty-print.h: Likewise.
3874         * tree-ssa-live.c: Likewise.
3875         * tree-ssa-live.h: Likewise.
3876         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
3877         * tree-vect-loop.c: Likewise.
3878         * tree-vect-slp.c: Likewise.
3879
3880 2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
3881             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3882
3883         PR tree-optimization/80457
3884         * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
3885         of all arguments to a statement as scalar_to_vec operations.
3886         (vectorizable_call): Adjust call to vect_model_simple_cost for
3887         new parameter.
3888         (vectorizable_conversion): Likewise.
3889         (vectorizable_assignment): Likewise.
3890         (vectorizable_shift): Likewise.
3891         (vectorizable_operation): Likewise.
3892         (vectorizable_comparison): Likewise.
3893         (vect_is_simple_cond): Record the def types for operands.
3894         (vectorizable_condition): Likewise, call vect_model_simple_cost.
3895         * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
3896         for statement argument count.
3897
3898 2017-05-16  Carl Love  <cel@us.ibm.com>
3899
3900         * config/rs6000/rs6000-c: Add support for built-in functions
3901         vector unsigned long long vec_bperm (vector unsigned long long,
3902                                              vector unsigned char)
3903         vector signed long long vec_mule (vector signed int,
3904                                           vector signed int)
3905         vector unsigned long long vec_mule (vector unsigned int,
3906                                             vector unsigned int)
3907         vector signed long long vec_mulo (vector signed int,
3908                                           vector signed int)
3909         vector unsigned long long vec_mulo (vector unsigned int,
3910                                             vector unsigned int)
3911         vector signed char vec_sldw (vector signed char,
3912                                      vector signed char,
3913                                      const int)
3914         vector unsigned char vec_sldw (vector unsigned char,
3915                                        vector unsigned char,
3916                                        const int)
3917         vector signed short vec_sldw (vector signed short,
3918                                       vector signed short,
3919                                       const int)
3920         vector unsigned short vec_sldw (vector unsigned short,
3921                                         vector unsigned short,
3922                                         const int)
3923         vector signed int vec_sldw (vector signed int,
3924                                     vector signed int,
3925                                     const int)
3926         vector unsigned int vec_sldw (vector unsigned int,
3927                                       vector unsigned int,
3928                                       const int)
3929         vector signed long long vec_sldw (vector signed long long,
3930                                           vector signed long long,
3931                                           const int)
3932         vector unsigned long long vec_sldw (vector unsigned long long,
3933                                             vector unsigned long long,
3934                                             const int)
3935         * config/rs6000/rs6000-c: Add support for built-in functions
3936         * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
3937         * config/rs6000/altivec.h: Add defintion for vec_sldw.
3938         * doc/extend.texi: Update the built-in documentation for the
3939         new built-in functions.
3940
3941 2017-05-16  Marek Polacek  <polacek@redhat.com>
3942
3943         PR sanitizer/80536
3944         PR sanitizer/80386
3945         * tree.c (save_expr): Don't fold the expression.
3946
3947 2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
3948
3949         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
3950         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
3951         and (?*y,m).  Update insn attributes.
3952
3953 2017-05-16  Martin Liska  <mliska@suse.cz>
3954
3955         * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
3956         flags argument of print_gimple_stmt, print_gimple_expr,
3957         print_generic_stmt and print_generic_expr.
3958         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
3959         * coretypes.h: Likewise.
3960         * except.c (dump_eh_tree): Likewise.
3961         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
3962         * gimple-pretty-print.h: Likewise.
3963         * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
3964         (backprop::push_to_worklist): Likewise.
3965         (backprop::pop_from_worklist): Likewise.
3966         (backprop::process_use): Likewise.
3967         (backprop::intersect_uses): Likewise.
3968         (note_replacement): Likewise.
3969         * gimple-ssa-store-merging.c
3970         (pass_store_merging::terminate_all_aliasing_chains): Likewise.
3971         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
3972         (pass_store_merging::execute): Likewise.
3973         * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
3974         (ssa_base_cand_dump_callback): Likewise.
3975         (dump_incr_vec): Likewise.
3976         (replace_refs): Likewise.
3977         (replace_mult_candidate): Likewise.
3978         (create_add_on_incoming_edge): Likewise.
3979         (create_phi_basis): Likewise.
3980         (insert_initializers): Likewise.
3981         (all_phi_incrs_profitable): Likewise.
3982         (introduce_cast_before_cand): Likewise.
3983         (replace_one_candidate): Likewise.
3984         * gimplify.c (gimplify_expr): Likewise.
3985         * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
3986         (set_rename): Likewise.
3987         (rename_uses): Likewise.
3988         (copy_loop_phi_nodes): Likewise.
3989         (add_close_phis_to_merge_points): Likewise.
3990         (copy_loop_close_phi_args): Likewise.
3991         (copy_cond_phi_args): Likewise.
3992         (graphite_copy_stmts_from_block): Likewise.
3993         (translate_pending_phi_nodes): Likewise.
3994         * graphite-poly.c (print_pdr): Likewise.
3995         (dump_gbb_cases): Likewise.
3996         (dump_gbb_conditions): Likewise.
3997         (print_scop_params): Likewise.
3998         * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
3999         (build_cross_bb_scalars_use): Likewise.
4000         (gather_bbs::before_dom_children): Likewise.
4001         * hsa-dump.c (dump_hsa_immed): Likewise.
4002         * ipa-cp.c (print_ipcp_constant_value): Likewise.
4003         (get_replacement_map): Likewise.
4004         * ipa-inline-analysis.c (dump_condition): Likewise.
4005         (estimate_function_body_sizes): Likewise.
4006         * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
4007         (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
4008         * ipa-prop.c (ipa_dump_param): Likewise.
4009         (ipa_print_node_jump_functions_for_edge): Likewise.
4010         (ipa_modify_call_arguments): Likewise.
4011         (ipa_modify_expr): Likewise.
4012         (ipa_dump_param_adjustments): Likewise.
4013         (ipa_dump_agg_replacement_values): Likewise.
4014         (ipcp_modif_dom_walker::before_dom_children): Likewise.
4015         * ipa-pure-const.c (check_stmt): Likewise.
4016         (pass_nothrow::execute): Likewise.
4017         * ipa-split.c (execute_split_functions): Likewise.
4018         * omp-offload.c (dump_oacc_loop_part): Likewise.
4019         (dump_oacc_loop): Likewise.
4020         * trans-mem.c (tm_log_emit): Likewise.
4021         (tm_memopt_accumulate_memops): Likewise.
4022         (dump_tm_memopt_set): Likewise.
4023         (dump_tm_memopt_transform): Likewise.
4024         * tree-cfg.c (gimple_verify_flow_info): Likewise.
4025         (print_loop): Likewise.
4026         * tree-chkp-opt.c (chkp_print_addr): Likewise.
4027         (chkp_gather_checks_info): Likewise.
4028         (chkp_get_check_result): Likewise.
4029         (chkp_remove_check_if_pass): Likewise.
4030         (chkp_use_outer_bounds_if_possible): Likewise.
4031         (chkp_reduce_bounds_lifetime): Likewise.
4032         * tree-chkp.c (chkp_register_addr_bounds): Likewise.
4033         (chkp_mark_completed_bounds): Likewise.
4034         (chkp_register_incomplete_bounds): Likewise.
4035         (chkp_mark_invalid_bounds): Likewise.
4036         (chkp_maybe_copy_and_register_bounds): Likewise.
4037         (chkp_build_returned_bound): Likewise.
4038         (chkp_get_bound_for_parm): Likewise.
4039         (chkp_build_bndldx): Likewise.
4040         (chkp_get_bounds_by_definition): Likewise.
4041         (chkp_generate_extern_var_bounds): Likewise.
4042         (chkp_get_bounds_for_decl_addr): Likewise.
4043         * tree-chrec.c (chrec_apply): Likewise.
4044         * tree-data-ref.c (dump_data_reference): Likewise.
4045         (dump_subscript): Likewise.
4046         (dump_data_dependence_relation): Likewise.
4047         (analyze_overlapping_iterations): Likewise.
4048         * tree-inline.c (expand_call_inline): Likewise.
4049         (tree_function_versioning): Likewise.
4050         * tree-into-ssa.c (dump_defs_stack): Likewise.
4051         (dump_currdefs): Likewise.
4052         (dump_names_replaced_by): Likewise.
4053         (dump_update_ssa): Likewise.
4054         (update_ssa): Likewise.
4055         * tree-object-size.c (pass_object_sizes::execute): Likewise.
4056         * tree-parloops.c (build_new_reduction): Likewise.
4057         (try_create_reduction_list): Likewise.
4058         (ref_conflicts_with_region): Likewise.
4059         (oacc_entry_exit_ok_1): Likewise.
4060         (oacc_entry_exit_single_gang): Likewise.
4061         * tree-pretty-print.h: Likewise.
4062         * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
4063         (get_scalar_evolution): Likewise.
4064         (add_to_evolution): Likewise.
4065         (get_loop_exit_condition): Likewise.
4066         (analyze_evolution_in_loop): Likewise.
4067         (analyze_initial_condition): Likewise.
4068         (analyze_scalar_evolution): Likewise.
4069         (instantiate_scev): Likewise.
4070         (number_of_latch_executions): Likewise.
4071         (gather_chrec_stats): Likewise.
4072         (final_value_replacement_loop): Likewise.
4073         (scev_const_prop): Likewise.
4074         * tree-sra.c (dump_access): Likewise.
4075         (disqualify_candidate): Likewise.
4076         (create_access): Likewise.
4077         (reject): Likewise.
4078         (maybe_add_sra_candidate): Likewise.
4079         (create_access_replacement): Likewise.
4080         (analyze_access_subtree): Likewise.
4081         (analyze_all_variable_accesses): Likewise.
4082         (sra_modify_assign): Likewise.
4083         (initialize_constant_pool_replacements): Likewise.
4084         (find_param_candidates): Likewise.
4085         (decide_one_param_reduction): Likewise.
4086         (replace_removed_params_ssa_names): Likewise.
4087         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4088         * tree-ssa-copy.c (dump_copy_of): Likewise.
4089         (copy_prop_visit_cond_stmt): Likewise.
4090         * tree-ssa-dce.c (mark_operand_necessary): Likewise.
4091         * tree-ssa-dom.c (pass_dominator::execute): Likewise.
4092         (record_equivalences_from_stmt): Likewise.
4093         * tree-ssa-dse.c (compute_trims): Likewise.
4094         (delete_dead_call): Likewise.
4095         (delete_dead_assignment): Likewise.
4096         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
4097         (forward_propagate_into_cond): Likewise.
4098         (pass_forwprop::execute): Likewise.
4099         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
4100         * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
4101         Likewise.
4102         (move_computations_worker): Likewise.
4103         (execute_sm): Likewise.
4104         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
4105         (remove_exits_and_undefined_stmts): Likewise.
4106         (remove_redundant_iv_tests): Likewise.
4107         * tree-ssa-loop-ivopts.c (dump_use): Likewise.
4108         (adjust_iv_update_pos): Likewise.
4109         * tree-ssa-math-opts.c (bswap_replace): Likewise.
4110         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
4111         (value_replacement): Likewise.
4112         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
4113         * tree-ssa-pre.c (print_pre_expr): Likewise.
4114         (get_representative_for): Likewise.
4115         (create_expression_by_pieces): Likewise.
4116         (insert_into_preds_of_block): Likewise.
4117         (eliminate_insert): Likewise.
4118         (eliminate_dom_walker::before_dom_children): Likewise.
4119         (eliminate): Likewise.
4120         (remove_dead_inserted_code): Likewise.
4121         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
4122         * tree-ssa-reassoc.c (get_rank): Likewise.
4123         (eliminate_duplicate_pair): Likewise.
4124         (eliminate_plus_minus_pair): Likewise.
4125         (eliminate_not_pairs): Likewise.
4126         (undistribute_ops_list): Likewise.
4127         (eliminate_redundant_comparison): Likewise.
4128         (update_range_test): Likewise.
4129         (optimize_range_tests_var_bound): Likewise.
4130         (optimize_vec_cond_expr): Likewise.
4131         (rewrite_expr_tree): Likewise.
4132         (rewrite_expr_tree_parallel): Likewise.
4133         (linearize_expr): Likewise.
4134         (break_up_subtract): Likewise.
4135         (linearize_expr_tree): Likewise.
4136         (attempt_builtin_powi): Likewise.
4137         (attempt_builtin_copysign): Likewise.
4138         (transform_stmt_to_copy): Likewise.
4139         (transform_stmt_to_multiply): Likewise.
4140         (dump_ops_vector): Likewise.
4141         * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
4142         (print_scc): Likewise.
4143         (set_ssa_val_to): Likewise.
4144         (visit_reference_op_store): Likewise.
4145         (visit_use): Likewise.
4146         (sccvn_dom_walker::before_dom_children): Likewise.
4147         (run_scc_vn): Likewise.
4148         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
4149         Likewise.
4150         (expr_hash_elt::print): Likewise.
4151         (const_and_copies::pop_to_marker): Likewise.
4152         (const_and_copies::record_const_or_copy_raw): Likewise.
4153         * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
4154         * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
4155         (dump_predicates): Likewise.
4156         (find_uninit_use): Likewise.
4157         (warn_uninitialized_phi): Likewise.
4158         (pass_late_warn_uninitialized::execute): Likewise.
4159         * tree-ssa.c (verify_vssa): Likewise.
4160         (verify_ssa): Likewise.
4161         (maybe_optimize_var): Likewise.
4162         * tree-vrp.c (dump_value_range): Likewise.
4163         (dump_all_value_ranges): Likewise.
4164         (dump_asserts_for): Likewise.
4165         (register_edge_assert_for_2): Likewise.
4166         (vrp_visit_cond_stmt): Likewise.
4167         (vrp_visit_switch_stmt): Likewise.
4168         (vrp_visit_stmt): Likewise.
4169         (vrp_visit_phi_node): Likewise.
4170         (simplify_cond_using_ranges_1): Likewise.
4171         (fold_predicate_in): Likewise.
4172         (evrp_dom_walker::before_dom_children): Likewise.
4173         (evrp_dom_walker::push_value_range): Likewise.
4174         (evrp_dom_walker::pop_value_range): Likewise.
4175         (execute_early_vrp): Likewise.
4176
4177 2017-05-16  Richard Biener  <rguenther@suse.de>
4178
4179         * dwarf2out.c (loc_list_from_tree_1): Do not create
4180         DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
4181
4182 2017-05-16  Richard Biener  <rguenther@suse.de>
4183
4184         * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
4185         just generated.
4186         (note_variable_value_in_expr): If we resolved the decl ref
4187         do not push to the stack.
4188
4189 2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4190
4191         * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
4192         operations in fast-math mode.
4193         (vaddq_f16): Likewise.
4194         (vmul_f16): Likewise.
4195         (vmulq_f16): Likewise.
4196         (vsub_f16): Likewise.
4197         (vsubq_f16): Likewise.
4198         * config/arm/neon.md (add<mode>3): New.
4199         (sub<mode>3): New.
4200         (fma:<VH:mode>3): New.  Also remove outdated comment.
4201         (mul<mode>3): New.
4202
4203 2017-05-16  Martin Liska  <mliska@suse.cz>
4204
4205         PR ipa/79849.
4206         PR ipa/79850.
4207         * ipa-devirt.c (warn_types_mismatch): Fix typo.
4208         (odr_types_equivalent_p): Likewise.
4209
4210 2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>
4211
4212         * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).
4213
4214 2017-05-15  Uros Bizjak  <ubizjak@gmail.com>
4215
4216         PR target/80425
4217         * config/i386.i386.md (*zero_extendsidi2): Do not penalize
4218         non-interunit SSE move alternatives with '?'.
4219         (zero-extendsidi peephole2): New peephole to skip intermediate
4220         general register in SSE zero-extend sequence.
4221
4222 2017-05-15  Jeff Law  <law@redhat.com>
4223
4224         * reorg.c (relax_delay_slots): Create a new variable to hold
4225         the temporary target rather than clobbering TARGET_LABEL.
4226
4227         * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
4228         missing argument to extract_bit_field call.
4229         * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.
4230
4231 2017-05-15  Martin Liska  <mliska@suse.cz>
4232
4233         PR driver/31468
4234         * gcc.c (process_command): Do not allow empty argument of -o option.
4235
4236 2017-05-15  Renlin Li  <renlin.li@arm.com>
4237
4238         * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
4239         * config/aarch64/aarch64.c (aarch64_expand_call): Define.
4240         * config/aarch64/constraints.md (Usf): Add long call check.
4241         * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
4242         (call_value): Likewise.
4243         (sibcall): Likewise.
4244         (sibcall_value): Likewise.
4245         (call_insn): New.
4246         (call_value_insn): New.
4247         (sibcall_insn): Update rtx pattern.
4248         (sibcall_value_insn): Likewise.
4249         (call_internal): Remove.
4250         (call_value_internal): Likewise.
4251         (sibcall_internal): Likewise.
4252         (sibcall_value_internal): Likewise.
4253         (call_reg): Likewise.
4254         (call_symbol): Likewise.
4255         (call_value_reg): Likewise.
4256         (call_value_symbol): Likewise.
4257
4258 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
4259
4260         PR target/80600
4261         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.
4262
4263 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
4264
4265         * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
4266         compatible with CCGOCmode and with CCZmode.
4267
4268 2017-05-14  Martin Sebor  <msebor@redhat.com>
4269
4270         PR middle-end/77671
4271         * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
4272         (gimple_fold_builtin_snprintf): Same.
4273         * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
4274         (gimple_fold_builtin_snprintf): Same.
4275         * gimple-ssa-sprintf.c (get_format_string): Correct the detection
4276         of character types.
4277         (is_call_safe): New function.
4278         (try_substitute_return_value): Call it.
4279         (try_simplify_call): New function.
4280         (pass_sprintf_length::handle_gimple_call): Call it.
4281
4282 2017-05-14  Martin Sebor  <msebor@redhat.com>
4283
4284         PR middle-end/80669
4285         * builtins.c (expand_builtin_stpncpy): Simplify.
4286
4287 2017-05-14  Daniel Santos  <daniel.santos@pobox.com>
4288
4289         * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
4290         * config/i386/i386.h
4291         (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
4292         (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
4293         (struct machine_function): Add new members call_ms2sysv,
4294         call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
4295         (struct machine_frame_state): New fields sp_realigned and
4296         sp_realigned_offset.
4297         * config/i386/i386.c
4298         (enum xlogue_stub): New enum.
4299         (enum xlogue_stub_sets): New enum.
4300         (class xlogue_layout): New class.
4301         (struct ix86_frame): New fields stack_realign_allocate_offset,
4302         stack_realign_offset and outlined_save_offset.  Modify comments to
4303         detail stack layout when using out-of-line stubs.
4304         (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
4305         (ix86_option_override_internal): Add sorry() for TARGET_SEH and
4306         -mcall-ms2sysv-xlogues.
4307         (stub_managed_regs): New static variable.
4308         (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
4309         registers managed by out-of-line stub.
4310         (disable_call_ms2sysv_xlogues): New function.
4311         (ix86_compute_frame_layout): Modify re-alignment calculations, disable
4312         m->call_ms2sysv when appropriate and compute frame layout for
4313         out-of-line stubs.
4314         (sp_valid_at, fp_valid_at): New inline functions.
4315         (choose_basereg): New function.
4316         (choose_baseaddr): Add align parameter, use choose_basereg and modify
4317         all callers.
4318         (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
4319         Use align parameter of choose_baseaddr to generated aligned SSE movs
4320         when possible.
4321         (pro_epilogue_adjust_stack): Modify to track
4322         machine_frame_state::sp_realigned.
4323         (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
4324         (ix86_nsaved_sseregs): Likewise.
4325         (ix86_emit_save_regs): Likewise.
4326         (ix86_emit_save_regs_using_mov): Likewise.
4327         (ix86_emit_save_sse_regs_using_mov): Likewise.
4328         (get_scratch_register_on_entry): Likewise.
4329         (gen_frame_set): New function.
4330         (gen_frame_load): Likewise.
4331         (gen_frame_store): Likewise.
4332         (emit_outlined_ms2sysv_save): Likewise.
4333         (emit_outlined_ms2sysv_restore): Likewise.
4334         (ix86_expand_prologue): Modify stack re-alignment code and call
4335         emit_outlined_ms2sysv_save when appropriate.
4336         (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
4337         parameter rtx_insn *insn, which allows the function to be used to only
4338         generate the notes.
4339         (ix86_expand_epilogue): Modify validity checks of frame and stack
4340         pointers, and call emit_outlined_ms2sysv_restore when appropriate.
4341         (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
4342         * config/i386/predicates.md
4343         (save_multiple): New predicate.
4344         (restore_multiple): Likewise.
4345         * config/i386/sse.md
4346         (save_multiple<mode>): New pattern.
4347         (save_multiple_realign<mode>): Likewise.
4348         (restore_multiple<mode>): Likewise.
4349         (restore_multiple_and_return<mode>): Likewise.
4350         (restore_multiple_leave_return<mode>): Likewise.
4351         * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp
4352
4353 2017-05-14  Julia Koval  <julia.koval@intel.com>
4354
4355         * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
4356         * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
4357         (__builtin_ia32_xsetbv): New builtins.
4358         * config/i386/i386.c (ix86_expand_special_args_builtin):
4359         Process new types.
4360         (ix86_expand_builtin): Special expand for new intrinsics.
4361         * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
4362         (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
4363         * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.
4364
4365 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4366
4367         * cfganal.c (inverted_post_order_compute): Change argument type
4368         to vec *.
4369         * cfganal.h (inverted_post_order_compute): Adjust prototype.
4370         * df-core.c (rest_of_handle_df_initialize): Adjust.
4371         (rest_of_handle_df_finish): Likewise.
4372         (df_analyze_1): Likewise.
4373         (df_analyze): Likewise.
4374         (loop_inverted_post_order_compute): Change argument to be a vec *.
4375         (df_analyze_loop): Adjust.
4376         (df_get_n_blocks): Likewise.
4377         (df_get_postorder): Likewise.
4378         * df.h (struct df_d): Change field to be a vec.
4379         * lcm.c (compute_laterin): Adjust.
4380         (compute_available): Likewise.
4381         * lra-lives.c (lra_create_live_ranges_1): Likewise.
4382         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4383         * tree-ssa-pre.c (compute_antic): Likewise.
4384
4385 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4386
4387         * cfganal.c (connect_infinite_loops_to_exit): Adjust.
4388         (depth_first_search::depth_first_search): Change structure init
4389         function to this constructor.
4390         (depth_first_search::add_bb): Rename function to this member.
4391         (depth_first_search::execute): Likewise.
4392         (flow_dfs_compute_reverse_finish): Adjust.
4393
4394 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4395
4396         * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
4397         (longest_simple_path): Likewise.
4398         * shrink-wrap.c (spread_components): Likewise.
4399         (disqualify_problematic_components): Likewise.
4400         (emit_common_heads_for_components): Likewise.
4401         (emit_common_tails_for_components): Likewise.
4402         (insert_prologue_epilogue_for_components): Likewise.
4403
4404 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4405
4406         * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
4407         auto_sbitmap.
4408
4409 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4410
4411         * df-core.c (df_set_blocks): Start using auto_bitmap.
4412         (df_compact_blocks): Likewise.
4413         * df-problems.c (df_rd_confluence_n): Likewise.
4414         * df-scan.c (df_insn_rescan_all): Likewise.
4415         (df_process_deferred_rescans): Likewise.
4416         (df_update_entry_block_defs): Likewise.
4417         (df_update_exit_block_uses): Likewise.
4418         (df_entry_block_bitmap_verify): Likewise.
4419         (df_exit_block_bitmap_verify): Likewise.
4420         (df_scan_verify): Likewise.
4421         * lra-constraints.c (lra_constraints): Likewise.
4422         (undo_optional_reloads): Likewise.
4423         (lra_undo_inheritance): Likewise.
4424         * lra-remat.c (calculate_gen_cands): Likewise.
4425         (do_remat): Likewise.
4426         * lra-spills.c (assign_spill_hard_regs): Likewise.
4427         (spill_pseudos): Likewise.
4428         * tree-ssa-pre.c (bitmap_set_and): Likewise.
4429         (bitmap_set_subtract_values): Likewise.
4430
4431 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4432
4433         * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
4434         management with auto_bitmap.
4435         (fix_inter_tick): Likewise.
4436         (fix_recovery_deps): Likewise.
4437         * ira.c (add_store_equivs): Likewise.
4438         (find_moveable_pseudos): Likewise.
4439         (split_live_ranges_for_shrink_wrap): Likewise.
4440         * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
4441         (rtx_reuse_manager::seen_def_p): Likewise.
4442         (rtx_reuse_manager::set_seen_def): Likewise.
4443         * print-rtl.h (class rtx_reuse_manager): Likewise.
4444
4445 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4446
4447         * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
4448         lifetime.
4449         (migrate_btr_def): Likewise.
4450         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
4451         * df-core.c (loop_post_order_compute): Likewise.
4452         (loop_inverted_post_order_compute): Likewise.
4453         * hsa-common.h: Likewise.
4454         * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
4455         * init-regs.c (initialize_uninitialized_regs): Likewise.
4456         * ipa-inline.c (resolve_noninline_speculation): Likewise.
4457         (inline_small_functions): Likewise.
4458         * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
4459         * ira.c (combine_and_move_insns): Likewise.
4460         (build_insn_chain): Likewise.
4461         * loop-invariant.c (find_invariants): Likewise.
4462         * lower-subreg.c (propagate_pseudo_copies): Likewise.
4463         * predict.c (tree_predict_by_opcode): Likewise.
4464         (predict_paths_leading_to): Likewise.
4465         (predict_paths_leading_to_edge): Likewise.
4466         (estimate_loops_at_level): Likewise.
4467         (estimate_loops): Likewise.
4468         * shrink-wrap.c (try_shrink_wrapping): Likewise.
4469         (spread_components): Likewise.
4470         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
4471         * tree-loop-distribution.c (rdg_build_partitions): Likewise.
4472         * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
4473         * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
4474         * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
4475         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4476         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
4477         * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
4478         (mark_threaded_blocks): Likewise.
4479         (thread_through_all_blocks): Likewise.
4480         * tree-ssa.c (verify_ssa): Likewise.
4481         (execute_update_addresses_taken): Likewise.
4482         * tree-ssanames.c (verify_ssaname_freelists): Likewise.
4483
4484 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4485
4486         * cfganal.c (mark_dfs_back_edges): Replace manual stack with
4487         auto_vec.
4488         (post_order_compute): Likewise.
4489         (inverted_post_order_compute): Likewise.
4490         (pre_and_rev_post_order_compute_fn): Likewise.
4491
4492 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4493
4494         * genrecog.c (int_set::int_set): Explicitly construct our
4495         auto_vec base class.
4496         * vec.h (auto_vec::auto_vec): New constructor.
4497
4498 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4499
4500         * bitmap.h (class auto_bitmap): New constructor taking
4501         bitmap_obstack * argument.
4502
4503 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4504
4505         * bitmap.h (class auto_bitmap): Change type of m_bits to
4506         bitmap_head, and adjust ctor / dtor and member operators.
4507
4508 2017-05-13  Uros Bizjak  <ubizjak@gmail.com>
4509
4510         * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
4511         when returned register mode doesn't match original mode.
4512
4513 2017-05-12  Jeff Law  <law@redhat.com>
4514             Jakub Jelinek  <jakub@redhat.com>
4515
4516         * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
4517         we look for cc setter after the compare-elim changes.
4518         * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
4519         within the vector to match what compare-elim now expects.
4520         (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
4521         (xorsi3_flags, one_cmplsi2_flags): Likewise.
4522
4523         * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
4524         after the compare-elim changes.
4525         * config/rx/rx.md (abssi2_flags): Fix order of patterns within
4526         the vector to match what compare-elim now expects.
4527         (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
4528         (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
4529         (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
4530         (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
4531         (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.
4532
4533         * config/visium/visium.c (single_set_and_flags): Fix where
4534         we look for cc setter after the compare-elim changes.
4535         * config/visium/visium.md (flags_subst_logic): Fix order of patterns
4536         with the vector to match what compare-elim now expects.
4537         (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
4538         (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
4539         (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
4540         (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
4541         (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
4542         (neg<mode>2_insn_set_overflow): Likewise.
4543
4544 2017-05-12  Jim Wilson  <jim.wilson@linaro.org>
4545
4546         PR middle-end/79794
4547         * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
4548         maybe_expand_insn call, set ops[0].target.  If still set after call,
4549         set alt_rtl.  Add extra arg to recursive calls.
4550         (extract_bit_field): Add alt_rtl argument.  Pass to
4551         extract_bit_field.
4552         * expmed.h (extract_bit_field): Fix prototype.
4553         * expr.c (emit_group_load_1, copy_blkmode_from_reg)
4554         (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
4555         to extract_bit_field_calls.
4556         (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
4557         Pass alt_rtl to extract_bit_field calls.
4558         * calls.c (store_unaligned_arguments_into_psuedos)
4559         load_register_parameters): Pass extra NULL to extract_bit_field calls.
4560         * optabs.c (maybe_legitimize_operand): Clear op->target when call
4561         gen_reg_rtx.
4562         * optabs.h (struct expand_operand): Add target bitfield.
4563
4564 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
4565
4566         * compare-elim.c (try_eliminate_compare): Canonicalize
4567         operation with embedded compare to
4568         [(set (reg:CCM) (compare:CCM (operation) (immediate)))
4569          (set (reg) (operation)].
4570
4571         * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.
4572
4573 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
4574
4575         PR target/80723
4576         * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
4577         cost of adding a carry flag for ADC instruction.
4578         [case MINUS]: Ignore the cost of subtracting a carry flag
4579         for SBB instruction.
4580
4581 2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>
4582
4583         * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
4584         and x86intrin.h
4585         * config/rs6000/bmiintrin.h: New file.
4586         * config/rs6000/bmi2intrin.h: New file.
4587         * config/rs6000/x86intrin.h: New file.
4588
4589 2017-05-12  Jeff Law  <law@redhat.com>
4590
4591         * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
4592         markers.
4593
4594 2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>
4595
4596         PR middle-end/80707
4597         * tree-cfg.c: Remove cfg edges of unreachable case statements.
4598
4599 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
4600
4601         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
4602         early expansion of vector divide builtins.
4603         (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
4604         builtins identified as having unsigned arguments.
4605
4606 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
4607
4608         * config/rs6000/rs6000.c (gimple-fold.h): New #include.
4609         (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
4610         expansion of vector logical operations (and, andc, or, xor,
4611         nor, orc, nand).
4612
4613 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
4614
4615         * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
4616         * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.
4617
4618 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
4619
4620         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
4621         early GIMPLE expansion of vector multiplies.
4622
4623 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
4624
4625         * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
4626         TARGET_HAVE_MOVT conditional.
4627         (movt splitter): Likewise.
4628
4629 2017-05-12  Richard Biener  <rguenther@suse.de>
4630
4631         * tree-ssa-sccvn.h (has_VN_INFO): Declare.
4632         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
4633         Fold all stmts not inplace.
4634
4635 2017-05-12  Richard Biener  <rguenther@suse.de>
4636
4637         PR tree-optimization/80713
4638         * tree-ssa-pre.c (remove_dead_inserted_code): Clear
4639         inserted_exprs bit for not removed stmts.
4640
4641 2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
4642
4643         PR middle-end/69921
4644         * tree-parloops.c (create_parallel_loop): Set "oacc kernels
4645         parallelized" attribute for parallelized OpenACC kernels.
4646         * omp-offload.c (execute_oacc_device_lower): Use it.
4647
4648         * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
4649         Set "oacc kernels" attribute.
4650         * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
4651         parameter.  Adjust all users.
4652         (oacc_fn_attrib_kernels_p): Remove function.
4653         * omp-offload.c (execute_oacc_device_lower): Look for "oacc
4654         kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
4655         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
4656         * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
4657         assert "oacc kernels" attribute is set.
4658
4659 2017-05-11  Carl Love  <cel@us.ibm.com>
4660
4661         * config/rs6000/rs6000-c: Add support for built-in functions
4662         vector unsigned char vec_popcnt (vector signed char)
4663         vector unsigned char vec_popcnt (vector unsigned char)
4664         vector unsigned short vec_popcnt (vector signed short)
4665         vector unsigned short vec_popcnt (vector unsigned short)
4666         vector unsigned int vec_popcnt (vector signed int)
4667         vector unsigned int vec_popcnt (vector unsigned int)
4668         vector unsigned long long vec_popcnt (vector signed long long)
4669         vector unsigned long long vec_popcnt (vector unsigned long long)
4670         vector signed long long vec_slo (vector signed long long,
4671                                          vector signed char)
4672         vector signed long long vec_slo (vector signed long long,
4673                                          vector unsigned char)
4674         vector unsigned long long vec_slo (vector unsigned long long,
4675                                            vector signed char)
4676         vector unsigned long long vec_slo (vector unsigned long long,
4677                                            vector unsigned char)
4678         * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
4679         VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
4680         * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
4681         vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
4682         * doc/extend.texi: Update the built-in documentation file for the
4683         new built-in functions.
4684
4685 2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
4686
4687         * attribs.h (sorted_attr_string): Move machine independent
4688         functions for target clone support from the i386 port to common
4689         code.  Rename ix86_function_versions to common_function_versions.
4690         Rename make_name to make_unique_name.
4691         (common_function_versions): Likewise.
4692         (make_unique_name): Likewise.
4693         (make_dispatcher_decl): Likewise.
4694         (is_function_default_version): Likewise.
4695         * attribs.c (attr_strcmp): Likewise.
4696         (sorted_attr_string): Likewise.
4697         (common_function_versions): Likewise.
4698         (make_unique_name): Likewise.
4699         (make_dispatcher_decl): Likewise.
4700         (is_function_default_version): Likewise.
4701         * config/i386/i386.c (attr_strcmp): Likewise.
4702         (sorted_attr_string): Likewise.
4703         (ix86_function_versions): Likewise.
4704         (make_name): Likewise.
4705         (make_dispatcher_decl): Likewise.
4706         (is_function_default_version): Likewise.
4707         (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.
4708
4709 2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4710
4711         PR target/80695
4712         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
4713         Account for direct move costs for vec_construct of integer
4714         vectors.
4715
4716 2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
4717
4718         PR target/80706
4719         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
4720         (UNSPEC_STX_ATOMIC): Ditto.
4721         (loaddi_via_sse): New insn.
4722         (storedi_via_sse): Ditto.
4723         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
4724         Update corresponding peephole2 patterns.
4725         (atomic_storedi_fpu): Ditto.
4726
4727 2017-05-11  Julia Koval  <julia.koval@intel.com>
4728
4729         * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
4730         (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
4731         New intrinsics.
4732         * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
4733         (__builtin_ia32_rsqrt14ss_mask): New builtins.
4734         * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.
4735
4736 2017-05-11  Nathan Sidwell  <nathan@acm.org>
4737
4738         * graphite-poly.c: Include dumpfile.h.
4739
4740         * dumpfle.h (dump_function): Declare here ...
4741         * tree-dump.h (dump_function): ... not here.
4742         * dumpfile.c: #include tree-cfg.h.
4743         (dump_function): Move here from ...
4744         * tree-dump.c (dump_function): ... here.
4745         * gimplify.c: #include splay-tree.h, not tree-dump.h.
4746         * graphite-poly.c: Don't include tree-dump.h.
4747         * cgraphclones.c: Include dumpfile.h not tree-dump.h.
4748         * print-tree.c: Likewise.
4749         * stor-layout.c: Likewise.
4750         * tree-nested.c: Likewise.
4751
4752         * dumpfile.c (dump_start): Use TDF_FLAGS.
4753         (dump_enable_all): Fix TDF_KIND check thinko.
4754
4755 2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4756
4757         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4758         array entries to represent two legal parameterizations of the
4759         overloaded __builtin_cmpb function, as represented by the
4760         P6_OV_BUILTIN_CMPB constant.
4761         (altivec_resolve_overloaded_builtin): Add special case handling
4762         for the __builtin_cmpb function, as represented by the
4763         P6_OV_BUILTIN_CMPB constant.
4764         * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
4765         (BU_P6_64BIT_2): New macro.
4766         (BU_P6_OVERLOAD_2): New macro
4767         (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
4768         (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
4769         (CMPB): Add overload support to represent both 32-bit and 64-bit
4770         compare-bytes function.
4771         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
4772         support for TARGET_CMPB.
4773         * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
4774         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
4775         documentation of the __builtin_cmpb overloaded built-in function.
4776
4777 2017-05-11  Richard Biener  <rguenther@suse.de>
4778
4779         PR tree-optimization/80705
4780         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
4781         bases are not vectorizable.
4782
4783 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
4784
4785         * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
4786         when counting register pressure.
4787
4788 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
4789
4790         * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
4791         (iv_ca_more_deps): Renamed to ...
4792         (iv_ca_compare_deps): ... this.
4793         (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.
4794
4795 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
4796
4797         * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
4798         to ...
4799         (determine_group_iv_costs): ... here.
4800         (find_inv_vars_cb): Record inv var if it's not recorded before.
4801
4802 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
4803
4804         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
4805         (get_shiftadd_cost): Ditto.
4806
4807 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
4808
4809         * tree-ssa-address.c: Include header file.
4810         (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
4811         address.
4812         (add_to_parts): Refactor.
4813         (addr_to_parts): New parameter.  Update use of move_hint_to_base.
4814         (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
4815         in new order.
4816
4817 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
4818
4819         PR tree-optimization/53090
4820         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
4821         COMP_IV_EXPR_2.
4822         (extract_cond_operands): Detect condition with IV on both sides
4823         and return COMP_IV_EXPR_2.
4824         (find_interesting_uses_cond): Add iv_use for both IVs in condition.
4825         (rewrite_use_compare): Simplify by removing call to function
4826         extract_cond_operands.
4827
4828 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
4829
4830         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
4831         (extract_cond_operands): Detect condition comparing against non-
4832         invariant bound and return appropriate enum value.
4833         (find_interesting_uses_cond): Update use of extract_cond_operands.
4834         Handle its return value accordingly.
4835         (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.
4836
4837 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
4838
4839         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
4840         nonlinear iv_use computation in loop invariant sensitive way.
4841
4842 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
4843
4844         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
4845         (find_iv_candidates): Call relate_compare_use_with_all_cands.
4846
4847 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
4848
4849         * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
4850         (dump_cand): Support iv_cand.inv_exprs.
4851         (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
4852         for candidates.
4853         (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
4854         iv_cand.inv_exprs.
4855
4856 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
4857
4858         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
4859         from ...
4860         * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
4861         as local function.  Include necessary header files.
4862         * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.
4863
4864 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
4865
4866         * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.
4867
4868 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
4869
4870         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
4871         operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
4872         RSHIFT_EXPR and BIT_NOT_EXPR.
4873
4874 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
4875
4876         * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
4877         (adjust_setup_cost): New parameter supporting round up adjustment.
4878         (struct address_cost_data): Delete.
4879         (force_expr_to_var_cost): Don't bound cost with spill_cost.
4880         (split_address_cost, ptr_difference_cost): Delete.
4881         (difference_cost, compare_aff_trees, record_inv_expr): Delete.
4882         (struct ainc_cost_data): New struct.
4883         (get_address_cost_ainc): New function.
4884         (get_address_cost, get_computation_cost): Reimplement.
4885         (determine_group_iv_cost_address): Record inv_expr for all uses of
4886         a group.
4887         (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
4888         (iv_ca_has_deps): Reimplemented to ...
4889         (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
4890         than OLD_CP.
4891         (iv_ca_extend): Call iv_ca_more_deps.
4892
4893 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
4894
4895         * tree-ssa-address.c (struct mem_address): Move to header file.
4896         (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
4897         * tree-ssa-address.h (struct mem_address): Move from C file.
4898         (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.
4899
4900 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
4901
4902         * tree-affine.h (aff_combination_type): New interface.
4903         (aff_combination_zero_p): Remove static.
4904         (aff_combination_const_p): New interface.
4905         (aff_combination_singleton_var_p): New interfaces.
4906
4907 2017-05-11  Richard Biener  <rguenther@suse.de>
4908
4909         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
4910         Skip unreachable blocks and destinations.
4911         (eliminate): Move stmt removal and fixup ...
4912         (fini_eliminate): ... here.  Skip inserted exprs.
4913         (pass_pre::execute): Move fini_pre after fini_eliminate.
4914         * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
4915         (tail_merge_optimize): Run cleanup_tree_cfg if requested by
4916         PRE to get rid of dead code that has invalid SSA form and
4917         split critical edges again.
4918
4919 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
4920
4921         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
4922
4923 2017-05-11  Richard Biener  <rguenther@suse.de>
4924
4925         * passes.c (execute_function_todo): Verify loops if they are
4926         said to be up-to-date.
4927         * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
4928         * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.
4929
4930 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
4931
4932         PR target/80090
4933         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
4934         handle calling assemble_external ourself.
4935
4936         PR target/79027
4937         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
4938         modes with zero size.  Enhance comment.
4939
4940 2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4941
4942         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
4943         built-ins for vec_xl and vec_xst with short and char pointer
4944         arguments.
4945
4946 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
4947
4948         * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
4949         (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
4950         (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
4951         (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
4952         (_mm_maskz_min_round_ss): New intrinsics.
4953         * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
4954         (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
4955         * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
4956         (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
4957         (__builtin_ia32_minss_mask_round): New builtins.
4958         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
4959         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
4960         * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
4961         Rename to ...
4962         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
4963         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
4964         Change to ...
4965         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
4966         ... this.
4967
4968 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
4969
4970         * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
4971         (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
4972         (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
4973         (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
4974         (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
4975         (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
4976         (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
4977         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
4978         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
4979         * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
4980         (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
4981         (__builtin_ia32_mulss_mask_round): New builtins.
4982         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
4983         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
4984         * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
4985         Rename to ...
4986         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
4987         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
4988         Change to ...
4989         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
4990         ... this.
4991
4992 2017-05-10  Julia Koval  <julia.koval@intel.com>
4993
4994         * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
4995         (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
4996         (_mm256_setr_m128i): New intrinsics.
4997
4998 2017-05-10  Julia Koval  <julia.koval@intel.com>
4999
5000         * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
5001         (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
5002         (_mm_maskz_rcp14_ss): New intrinsics.
5003         * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
5004         (__builtin_ia32_rcp14ss_mask): New builtins.
5005         * config/i386/sse.md (srcp14<mode>_mask): New pattern.
5006
5007 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
5008
5009         PR tree-optimization/51513
5010         * tree-cfg.c (gimple_seq_unreachable_p): New function.
5011         (assert_unreachable_fallthru_edge_p): Use it.
5012         (group_case_labels_stmt): Likewise.
5013         * tree-cfg.h: Prototype it.
5014         * stmt.c: Include cfghooks.h and tree-cfg.h.
5015         (emit_case_dispatch_table) <gap_label>: New local variable.
5016         Use it to fill dispatch table gaps.
5017         Test for default_label before updating probabilities.
5018         (expand_case) <default_label>: Remove unneeded initialization.
5019         Test for unreachable default case statement and remove its edge.
5020         Set default_label accordingly.
5021         * tree-ssa-ccp.c (optimize_unreachable): Update comment.
5022
5023 2017-05-10  Carl Love  <cel@us.ibm.com>
5024
5025         * config/rs6000/rs6000-c: Add support for built-in functions
5026         vector signed char      vec_neg (vector signed char)
5027         vector signed short int vec_neg (vector short int)
5028         vector signed int       vec_neg (vector signed int)
5029         vector signed long long vec_neg (vector signed long long)
5030         vector float            vec_neg (vector float)
5031         vector double           vec_neg (vector double)
5032         * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
5033         overload.
5034         * config/rs6000/altivec.h: Add define for vec_neg
5035         * doc/extend.texi: Update the built-in documentation for the
5036         new built-in functions.
5037
5038 2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5039
5040         PR tree-optimization/77644
5041         * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.
5042
5043 2017-05-10  Nathan Sidwell  <nathan@acm.org>
5044
5045         * dumpfile.h (TDI_lang_all): New.
5046         (TDF_KIND): New. Renumber others
5047         (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
5048         than bits.
5049         * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
5050         lang-all.
5051         (get_dump_file_name): Adjust suffix generation.
5052         (dump_enable_all): Use TDF_KIND.
5053         * doc/invoke.texi (-fdump-lang-all): Document.
5054
5055         * dumpfile.h: Tabify.
5056
5057 2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>
5058
5059         PR target/80671
5060         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
5061         Move member access before delete.
5062
5063 2017-05-10  Alexandre Oliva <aoliva@redhat.com>
5064
5065         * tree-inline.c (expand_call_inline): Split block at stmt
5066         before the call.
5067
5068 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
5069
5070         PR target/68163
5071         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
5072         are now unused after splitting mov{sf,sd}_hardfloat.
5073         (f32_lr2): Likewise.
5074         (f32_lm): Likewise.
5075         (f32_lm2): Likewise.
5076         (f32_li): Likewise.
5077         (f32_li2): Likewise.
5078         (f32_lv): Likewise.
5079         (f32_sr): Likewise.
5080         (f32_sr2): Likewise.
5081         (f32_sm): Likewise.
5082         (f32_sm2): Likewise.
5083         (f32_si): Likewise.
5084         (f32_si2): Likewise.
5085         (f32_sv): Likewise.
5086         (f32_dm): Likewise.
5087         (f32_vsx): Likewise.
5088         (f32_av): Likewise.
5089         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
5090         For movsf, order stores so the VSX stores occur before the GPR
5091         store which encourages the register allocator to use a traditional
5092         FPR instead of a GPR.  For movsd, order the stores so that the GPR
5093         store comes before the VSX stores to allow the power6 to work.
5094         This is due to the power6 not having a 32-bit integer store
5095         instruction from a FPR.
5096         (movsf_hardfloat): Likewise.
5097         (movsd_hardfloat): Likewise.
5098
5099 2017-05-09  Martin Sebor  <msebor@redhat.com>
5100
5101         PR translation/80280
5102         * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
5103         added in r247778.
5104
5105         PR translation/80280
5106         * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
5107         data member added in r247778.
5108         (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.
5109
5110 2017-05-09  Nathan Sidwell  <nathan@acm.org>
5111
5112         * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.
5113
5114         * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
5115         typedefs.
5116
5117 2017-05-09  Marek Polacek  <polacek@redhat.com>
5118
5119         * doc/invoke.texi: Fix typo.
5120
5121 2017-05-09  Richard Biener  <rguenther@suse.de>
5122
5123         * tree-vrp.c (vrp_val_is_max): Adjust comment.
5124         (vrp_val_is_min): Likewise.
5125         (set_value_range_to_value): Likewise.
5126         (set_value_range_to_nonnegative): Likewise.
5127         (gimple_assign_nonzero_p): Likewise.
5128         (gimple_stmt_nonzero_p): Likewise.
5129         (vrp_int_const_binop): Likewise.  Remove unreachable case.
5130         (adjust_range_with_scev): Adjust comments.
5131         (compare_range_with_value): Likewise.
5132         (extract_range_from_phi_node): Likewise.
5133         (test_for_singularity): Likewise.
5134
5135 2017-05-09  Richard Biener  <rguenther@suse.de>
5136
5137         * tree-vrp.c (get_single_symbol): Add assert that we don't
5138         get overflowed constants as invariant part.
5139         (compare_values_warnv): Add comment before the TREE_NO_WARNING
5140         checks.  Use wi::cmp instead of recursing for integer constants.
5141         (compare_values): Just ignore whether we assumed undefined
5142         overflow instead of failing the compare.
5143         (extract_range_for_var_from_comparison_expr): Add comment before the
5144         TREE_NO_WARNING sets.
5145         (test_for_singularity): Likewise.
5146         (extract_range_from_comparison): Do not disable optimization
5147         when we assumed undefined overflow.
5148         (extract_range_basic): Remove init of unused var.
5149
5150 2017-05-09  Richard Biener  <rguenther@suse.de>
5151
5152         * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
5153         (extract_range_from_multiplicative_op_1): Adjust.
5154         (extract_range_from_binary_expr_1): Use int_const_binop.
5155
5156 2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5157
5158         PR target/80101
5159         * config/rs6000/power6.md: Replace store_data_bypass_p calls with
5160         rs6000_store_data_bypass_p in seven define_bypass directives and
5161         in several comments.
5162         * config/rs6000/rs6000-protos.h: Add prototype for
5163         rs6000_store_data_bypass_p function.
5164         * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
5165         function implements slightly different (rs6000-specific) semantics
5166         than store_data_bypass_p, returning false rather than aborting
5167         with assertion error when arguments do not satisfy the
5168         requirements of store data bypass.
5169         (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
5170         rs6000_store_data_bypass_p.
5171
5172 2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
5173
5174         * config/xtensa/xtensa-protos.h
5175         (xtensa_initial_elimination_offset): New declaration.
5176         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
5177         New function. Move its body from the INITIAL_ELIMINATION_OFFSET
5178         macro definition, add case for FRAME_POINTER_REGNUM when
5179         FRAME_GROWS_DOWNWARD.
5180         * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
5181         (INITIAL_ELIMINATION_OFFSET): Replace body with call to
5182         xtensa_initial_elimination_offset.
5183
5184 2017-05-08  Nathan Sidwell  <nathan@acm.org>
5185
5186         * doc/invoke.texi: Alphabetize -fdump options.
5187
5188 2017-05-08  Martin Sebor  <msebor@redhat.com>
5189
5190         PR translation/80280
5191         * config/sol2-c.c (solaris_pragma_align): Correct quoting.
5192
5193 2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5194
5195         * target.def (compute_frame_layout): New optional target hook.
5196         * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
5197         * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
5198         * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
5199         target hook.
5200         * reload1.c (verify_initial_elim_offsets): Likewise.
5201         * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
5202         (use_simple_return_p): Call arm_compute_frame_layout if needed.
5203         (arm_get_frame_offsets): Split up into this ...
5204         (arm_compute_frame_layout): ... and this function.
5205
5206 2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>
5207
5208         * config/aarch64/constraints.md (Usa): New constraint.
5209         * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.
5210
5211 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5212
5213         * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
5214         with_multilib_list after it has been checked.
5215
5216 2017-05-08  Richard Biener  <rguenther@suse.de>
5217
5218         * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
5219         (bitmap_set_subtract_values): Likewise.
5220
5221 2017-05-08  Richard Biener  <rguenther@suse.de>
5222
5223         * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
5224         (gimple_assign_nonzero): ... this and remove strict_overflow_p
5225         argument.
5226         (gimple_stmt_nonzero_warnv_p): Rename to ...
5227         (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
5228         argument.
5229         (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
5230         (extract_range_basic): Adjust, do not disable propagation on
5231         strict overflow sensitive simplification.
5232         (vrp_visit_cond_stmt): Likewise.
5233
5234 2017-05-05  Jan Hubicka  <hubicka@ucw.cz>
5235
5236         * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
5237         body size unconditionally.
5238
5239 2017-05-07  Jeff Law  <law@redhat.com>
5240
5241         Revert:
5242         2017-05-06  Jeff Law  <law@redhat.com>
5243         PR tree-optimization/78496
5244         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
5245         code.
5246
5247         PR tree-optimization/78496
5248         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
5249         (simplify_stmt_using_ranges): Call it.
5250         (vrp_dom_walker::before_dom_children): Extract equivalences
5251         from an ASSERT_EXPR with an equality comparison against a
5252         constant.
5253
5254 2017-05-06  Jeff Law  <law@redhat.com>
5255
5256         PR tree-optimization/78496
5257         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
5258         code.
5259
5260         PR tree-optimization/78496
5261         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
5262         (simplify_stmt_using_ranges): Call it.
5263         (vrp_dom_walker::before_dom_children): Extract equivalences
5264         from an ASSERT_EXPR with an equality comparison against a
5265         constant.
5266
5267 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
5268
5269         * lra-constraints.c (lra_copy_reg_equiv): New function.
5270         (split_reg): Use it to copy equivalence information from the
5271         original register to the spill register.
5272
5273 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
5274
5275         PR rtl-optimization/75964
5276         * simplify-rtx.c (simplify_const_relational_operation): Remove
5277         invalid handling of comparisons of integer ABS.
5278
5279 2017-05-06  Uros Bizjak  <ubizjak@gmail.com>
5280
5281         * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
5282         initialize to zero.
5283         (init_regs): Remove declaration.
5284         (function_arg_advance_32): Initialize error_p as boolean variable.
5285
5286 2017-05-05  Nathan Sidwell  <nathan@acm.org>
5287
5288         * store-motion.c (remove_reachable_equiv_notes): Reformat long
5289         lines.  Use for (;;).
5290
5291 2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5292
5293         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
5294         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
5295         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
5296         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
5297         VF=2 that require versioning.
5298
5299 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
5300
5301         * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
5302         int.
5303
5304 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
5305
5306         * diagnostic.h (diagnostic_override_option_index): Convert from
5307         macro to inline function.
5308
5309 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
5310
5311         * diagnostic.c (last_module_changed_p): New function.
5312         (set_last_module): New function.
5313         (diagnostic_report_current_module): Convert macro usage to
5314         the above functions.
5315         * diagnostic.h (diagnostic_context::last_module): Strengthen
5316         from const line_map * to const line_map_ordinary *.
5317         (diagnostic_last_module_changed): Delete macro.
5318         (diagnostic_set_last_module): Delete macro.
5319
5320 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
5321
5322         * diagnostic.c (diagnostic_impl): Replace report_diagnostic
5323         with diagnostic_report_diagnostic.
5324         (diagnostic_n_impl_richloc): Likewise.
5325         * diagnostic.h (report_diagnostic): Delete macro.
5326         * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
5327         with diagnostic_report_diagnostic.
5328         * substring-locations.c (format_warning_va): Likewise.
5329
5330 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
5331
5332         * diagnostic.c (diagnostic_report_diagnostic): Eliminate
5333         save/restor of format_spec.  Move option-printing code to...
5334         (print_option_information): ...this new function, and
5335         reimplement by simply printing to the pretty_printer,
5336         rather than appending to the format string.
5337
5338 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
5339
5340         * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
5341         handling logic into...
5342         (update_effective_level_from_pragmas): ...this new function.
5343
5344 2017-05-04  Andrew Waterman  <andrew@sifive.com>
5345
5346         * config/riscv/riscv.opt (mstrict-align): New option.
5347         * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
5348         (SLOW_UNALIGNED_ACCESS): Define.
5349         (riscv_slow_unaligned_access): Declare.
5350         * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
5351         field.
5352         (riscv_slow_unaligned_access): New variable.
5353         (rocket_tune_info): Set slow_unaligned_access to true.
5354         (optimize_size_tune_info): Set slow_unaligned_access to false.
5355         (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
5356         (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
5357         (riscv_option_override): Set riscv_slow_unaligned_access.
5358         * doc/invoke.texi: Add -mstrict-align to RISC-V.
5359
5360 2017-05-04  Kito Cheng  <kito.cheng@gmail.com>
5361
5362         * config/riscv/riscv.md: Unify indentation.
5363
5364 2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
5365
5366         PR target/79038
5367         PR target/79202
5368         PR target/79203
5369         * config/rs6000/rs6000.md (u code attribute): Add FIX and
5370         UNSIGNED_FIX.
5371         (extendsi<mode>2): Add support for doing sign extension via
5372         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
5373         don't have ISA 3.0 instructions.
5374         (extendsi<mode>2 splitter): Likewise.
5375         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
5376         generate the normal insns since SImode can now go in vector
5377         registers.  Disallow the special UNSPECs needed for previous
5378         machines to hide SImode being used.  Add new insns
5379         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
5380         (fix_trunc<mode>si2_stfiwx): Likewise.
5381         (fix_trunc<mode>si2_internal): Likewise.
5382         (fixuns_trunc<mode>si2): Likewise.
5383         (fixuns_trunc<mode>si2_stfiwx): Likewise.
5384         (fctiw<u>z_<mode>_smallint): Likewise.
5385         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
5386         of floating point to 32-bit integer from doing a direct move to
5387         the GPR registers to do a store.
5388         (fctiwz_<mode>): Break long line.
5389
5390 2017-05-05  Bin Cheng  <bin.cheng@arm.com>
5391
5392         * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
5393         * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
5394         (addr_list, addr_offset_valid_p): New.
5395         (split_address_groups): Check offset validity with above function.
5396         (gt-tree-ssa-loop-ivopts.h): Include header file.
5397
5398 2017-05-05  Nathan Sidwell  <nathan@acm.org>
5399
5400         * config.gcc (arm*-*-*): Add missing 'fi'.
5401
5402 2017-05-05  Steve Ellcey  <sellcey@cavium.com>
5403
5404         * doc/invoke.texi (-fopt-info): Explicitly say order of options
5405         included in -fopt-info does not matter.
5406         * doc/optinfo.texi (-fopt-info): Fix description of default
5407         behavour. Explicitly say order of options included in -fopt-info
5408         does not matter.
5409
5410 2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5411
5412         * config.gcc: Allow combinations of aprofile and rmprofile values for
5413         --with-multilib-list.
5414         * config/arm/t-multilib: New file.
5415         * config/arm/t-aprofile: Remove initialization of MULTILIB_*
5416         variables.  Remove setting of ISA and floating-point ABI in
5417         MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
5418         MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
5419         and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
5420         matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
5421         CPU options.
5422         * config/arm/t-rmprofile: Likewise except for the matches changes.
5423         * doc/install.texi (--with-multilib-list): Document the combination of
5424         aprofile and rmprofile values and warn about pitfalls in doing that.
5425
5426 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
5427
5428         * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
5429         (movdi_aarch64): Likewise.
5430
5431 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
5432
5433         PR tree-optimization/80632
5434         * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
5435         field.
5436         (build_arrays): Initialize it for virtual phis.
5437         (fix_phi_nodes): Use it for virtual phis.
5438
5439         PR tree-optimization/80558
5440         * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
5441         [x, y] op z into [x op, y op z] for op & or | if conditions
5442         are met.
5443
5444 2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5445             Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
5446
5447         PR target/71607
5448         * config/arm/arm.md (use_literal_pool): Remove.
5449         (64-bit immediate split): No longer takes cost into consideration
5450         if arm_disable_literal_pool is enabled.
5451         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
5452         used when arm_disable_literal_pool is enabled.
5453         (arm_max_const_double_inline_cost): Remove use of
5454         arm_disable_literal_pool.
5455         (push_minipool_fix): Add assert.
5456         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
5457         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
5458         (no_literal_pool_sf_immediate): New.
5459
5460 2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5461
5462         PR tree-optimization/80613
5463         * tree-ssa-dce.c (propagate_necessity): Remove cases for
5464         BUILT_IN_STRDUP and BUILT_IN_STRNDUP.
5465
5466 2017-05-05  Richard Biener  <rguenther@suse.de>
5467
5468         * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.
5469
5470 2017-05-05  Georg-Johann Lay  <avr@gjlay.de>
5471
5472         * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
5473         of this flag from insn conditions due to removal from r247495.
5474
5475 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
5476
5477         * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
5478         New function.
5479         (arm_early_store_addr_dep_ptr): Likewise.
5480         * config/arm/aarch-common-protos.h
5481         (arm_early_load_addr_dep_ptr): Add prototype.
5482         (arm_early_store_addr_dep_ptr): Likewise.
5483         * config/arm/cortex-a53.md: Add new bypasses.
5484
5485 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
5486
5487         * tree.c (next_type_uid): Change type to unsigned.
5488         (type_hash_canon): Decrement back next_type_uid if
5489         freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
5490         also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
5491         if possible.
5492
5493 2017-05-04  Martin Sebor  <msebor@redhat.com>
5494
5495         * builtins.c: Fix a trivial typo in a comment.
5496
5497         PR middle-end/79234
5498         * builtins.c (check_sizes): Adjust to handle reading past the end.
5499         Avoid printing excessive upper bound of ranges.  Use %E to print
5500         tree nodes instead of converting them to %wu.
5501         (expand_builtin_memchr): New function.
5502         (compute_dest_size): Rename...
5503         (compute_objsize): ...to this.
5504         (expand_builtin_memcpy): Adjust.
5505         (expand_builtin_mempcpy): Adjust.
5506         (expand_builtin_strcat): Adjust.
5507         (expand_builtin_strcpy): Adjust.
5508         (check_strncat_sizes): Adjust.
5509         (expand_builtin_strncat): Adjust.
5510         (expand_builtin_strncpy): Adjust and simplify.
5511         (expand_builtin_memset): Adjust.
5512         (expand_builtin_bzero): Adjust.
5513         (expand_builtin_memcmp): Adjust.
5514         (expand_builtin): Handle memcmp.
5515         (maybe_emit_chk_warning): Check strncat just once.
5516
5517 2017-05-04  Martin Sebor  <msebor@redhat.com>
5518
5519         PR preprocessor/79214
5520         PR middle-end/79222
5521         PR middle-end/79223
5522         * builtins.c (check_sizes): Add inlining context and issue
5523         warnings even when -Wno-system-headers is set.
5524         (check_strncat_sizes): Same.
5525         (expand_builtin_strncat): Same.
5526         (expand_builtin_memmove): New function.
5527         (expand_builtin_stpncpy): Same.
5528         (expand_builtin): Handle memmove and stpncpy.
5529
5530 2017-05-04  Bin Cheng  <bin.cheng@arm.com>
5531
5532         * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
5533         which is not used any more.
5534
5535 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
5536
5537         * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.
5538
5539 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
5540
5541         * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
5542         (cortexa53_tunings): Likewise.
5543         (cortexa57_tunings): Likewise.
5544         (cortexa72_tunings): Likewise.
5545         (cortexa73_tunings): Likewise.
5546
5547 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
5548
5549         * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
5550         Set loop alignment to 8.
5551
5552 2017-05-04  Martin Sebor  <msebor@redhat.com>
5553
5554         PR translation/80280
5555         * builtins.c (expand_builtin_object_size): Add missing quoting to
5556         %D and like directives.
5557         * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
5558         (hsa_type_for_tree_type): Same.
5559         (verify_function_arguments): Same.
5560         * symtab.c (symbol_table::change_decl_assembler_name): Same.
5561         * varasm.c (get_section): Same.
5562         (mark_weak): Same.
5563
5564 2017-05-04  Martin Sebor  <msebor@redhat.com>
5565
5566         PR translation/80280
5567         * config/i386/i386.c (ix86_function_versions): Quote a %D directive.
5568
5569 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
5570
5571         * config/aarch64/aarch64.c (generic_addrcost_table):
5572         Change HI/TI mode setting.
5573
5574 2017-05-04  Martin Jambor  <mjambor@suse.cz>
5575
5576         PR tree-optimization/80622
5577         * tree-sra.c (comes_initialized_p): New function.
5578         (build_accesses_from_assign): Only set write lazily when
5579         comes_initialized_p is false.
5580         (analyze_access_subtree): Use comes_initialized_p.
5581         (propagate_subaccesses_across_link): Assert !comes_initialized_p
5582         instead of testing for PARM_DECL.
5583
5584 2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5585
5586         * config/aarch64/aarch64.md (prefetch); Adjust predicate and
5587         constraint on operand 0 to allow more general addressing modes.
5588         Adjust output template.
5589         * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
5590         New function.
5591         * config/aarch64/aarch64-protos.h
5592         (aarch64_address_valid_for_prefetch_p): Declare prototype.
5593         * config/aarch64/constraints.md (Dp): New address constraint.
5594         * config/aarch64/predicates.md (aarch64_prefetch_operand): New
5595         predicate.
5596
5597 2017-05-04  Jan Hubicka  <hubicka@ucw.cz>
5598
5599         * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
5600         update use of estimate_ipcp_clone_size_and_time.
5601         (estimate_local_effects): Update use of
5602         estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
5603         * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
5604         * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
5605         Return nonspecialized time.
5606
5607 2017-05-04  Richard Biener  <rguenther@suse.de>
5608
5609         * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
5610         for the last VUSE which def dominates the PHI.  Directly call
5611         maybe_skip_until.
5612         (get_continuation_for_phi_1): Remove.
5613
5614 2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>
5615
5616         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
5617         to explain the use of truncating division.  Cap the number of
5618         iterations to the maximum given by nb_iterations_upper_bound,
5619         if defined.
5620
5621 2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5622
5623         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
5624         * configure: Regenerate.
5625         * config.in: Regenerate.
5626         * config/i386/driver-mingw32.c: new file.
5627         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
5628         * config.host: Link driver-mingw32.o on MinGW host.
5629         * doc/install.texi: Document new --enable-mingw-wildcard configure
5630         option.
5631
5632 2017-05-04  Marek Polacek  <polacek@redhat.com>
5633
5634         PR tree-optimization/80612
5635         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
5636
5637 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
5638             Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
5639
5640         * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
5641         (movt splitter): Likewise.
5642         * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
5643         to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
5644         (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
5645         block for Thumb-1 with MOVT.
5646         (thumb2_legitimate_address_p): Move code block ...
5647         (can_avoid_literal_pool_for_label_p): ... into this new function.
5648         (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
5649         literal pool.
5650         (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
5651         * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
5652         "M-profile targets with the MOVT instruction".
5653
5654 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
5655
5656         * gcc/config/arm/arm-builtins.c (arm_init_builtins): Rename
5657         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
5658         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
5659
5660 2017-05-04  Martin Liska  <mliska@suse.cz>
5661
5662         * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
5663         variable cond_code.
5664
5665 2017-05-04  Richard Biener  <rguenther@suse.de>
5666
5667         * tree.c (array_at_struct_end_p): Handle arrays at struct
5668         end with flexarrays more conservatively.  Refactor and treat
5669         arrays of arrays or aggregates more strict.  Fix
5670         VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
5671         * tree.c (array_at_struct_end_p): Adjust prototype.
5672         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
5673         * gimple-fold.c (get_range_strlen): Likewise.
5674         * tree-chkp.c (chkp_may_narrow_to_field): Likewise.
5675
5676 2017-05-04  Richard Biener  <rguenther@suse.de>
5677
5678         PR tree-optimization/31130
5679         * tree-vrp.c (needs_overflow_infinity): Remove as always returning
5680         false.
5681         (supports_overflow_infinity): Likewise.
5682         (is_negative_overflow_infinity): Likewise.
5683         (is_positive_overflow_infinity): Likewise.
5684         (is_overflow_infinity): Likewise.
5685         (stmt_overflow_infinity): Likewise.
5686         (overflow_infinity_range_p): Likewise.
5687         (usable_range_p): Remove as always returning true.
5688         (make_overflow_infinity): Remove.
5689         (negative_overflow_infinity): Likewise.
5690         (positive_overflow_infinity): Likewise.
5691         (avoid_overflow_infinity): Likewise.
5692         (set_value_range): Adjust accordingly.
5693         (set_value_range_to_nonnegative): Likewise, remove now unused
5694         overflow_infinity arg.
5695         (vrp_operand_equal_p): Adjust.
5696         (update_value_range): Likewise.
5697         (range_int_cst_singleton_p): Likewise.
5698         (operand_less_p): Likewise.
5699         (compare_values_warnv): Likewise.
5700         (extract_range_for_var_from_comparison_expr): Likewise.
5701         (vrp_int_const_binop): Likewise.
5702         (zero_nonzero_bits_from_vr): Likewise.
5703         (extract_range_from_multiplicative_op_1): Likewise.
5704         (extract_range_from_binary_expr_1): Likewise.
5705         (extract_range_from_unary_expr): Likewise.
5706         (extract_range_from_comparison): Likewise.
5707         (extract_range_basic): Likewise.
5708         (adjust_range_with_scev): Likewise.
5709         (compare_ranges): Likewise.
5710         (compare_range_with_value): Likewise.
5711         (dump_value_range): Likewise.
5712         (test_for_singularity): Likewise, remove strict_overflow_p parameter
5713         never used.
5714         (simplify_cond_using_ranges): Adjust.
5715
5716 2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
5717
5718         * brig-builtins.def: Added a builtin for class_f64.
5719         * builtin-types.def: Added a builtin type needed by class_f64.
5720
5721 2017-05-03  Jason Merrill  <jason@redhat.com>
5722
5723         * timevar.def: Add TV_CONSTEXPR.
5724
5725 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
5726
5727         * common.opt (fdiagnostics-parseable-fixits): Fix typo.
5728
5729 2017-05-03  Martin Jambor  <mjambor@suse.cz>
5730
5731         * ipa-prop.c (ipa_update_after_lto_read): Removed.
5732         * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
5733         * ipa-cp.c (ipcp_propagate_stage): Do not call
5734         ipa_update_after_lto_read.
5735         * ipa-inline.c (ipa_inline): Likewise.
5736
5737 2017-05-03  Martin Jambor  <mjambor@suse.cz>
5738
5739         * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
5740         tag.  Added a default constructor and a destructor.
5741         (ipa_edge_args_sum_t): New class;
5742         (ipa_edge_args_sum): Declare.
5743         (ipa_edge_args_vector): Remove declaration.
5744         (IPA_EDGE_REF): Use ipa_edge_args_sum.
5745         (ipa_free_edge_args_substructures): Remove declaration.
5746         (ipa_check_create_edge_args): Use ipa_edge_args_sum.
5747         (ipa_edge_args_info_available_for_edge_p): Likewise.
5748         * ipa-prop.c (ipa_edge_args_vector): Removed.
5749         (edge_removal_hook_holder): Likewise.
5750         (edge_duplication_hook_holder): Likewise.
5751         (ipa_edge_args_sum): New variable.
5752         (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
5753         ipa_edge_args_vector.
5754         (ipa_free_edge_args_substructures): Likewise.
5755         (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
5756         ipa_edge_args_vector.
5757         (ipa_edge_removal_hook): Turned into method
5758         ipa_edge_args_sum_t::remove.
5759         (ipa_edge_duplication_hook): Turned into method
5760         ipa_edge_args_sum_t::duplicate.
5761         (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
5762         registering edge hooks.
5763         (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
5764         * ipa-inline-analysis.c (estimate_function_body_sizes): Test
5765         ipa_edge_args_sum instead of ipa_edge_args_vector.
5766         * ipa-profile.c (ipa_profile): Likewise.
5767
5768 2017-05-03  Martin Jambor  <mjambor@suse.cz>
5769
5770         * symbol-summary.h (function_summary): New method exists.
5771         (function_summary::symtab_removal): Deallocate through release.
5772         (call_summary): New class.
5773         (gt_ggc_mx): New overload.
5774         (gt_pch_nx): Likewise.
5775         (gt_pch_nx): Likewise.
5776
5777 2017-05-03  Jeff Law  <law@redhat.com>
5778
5779         PR tree-optimization/78496
5780         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
5781         from simplify_cond_using_ranges.  Split off code to walk
5782         backwards through casts into ...
5783         (simplify_cond_using_ranges_2): New function.
5784         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
5785         (execute_vrp): After identifying jump threads, call
5786         simplify_cond_using_ranges_2.
5787
5788 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
5789
5790         PR bootstrap/80609
5791         * ipa-inline.h (inline_summary): Add ctor.
5792         (create_ggc): Do not use ggc_cleared_alloc.
5793
5794 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
5795             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5796
5797         * gcc.c (handle_braces): Support escaping in switch matching
5798         text.
5799         * doc/invoke.texi (Spec Files): Document it.
5800         Remove superfluous @code markup in items.
5801
5802 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
5803
5804         * diagnostic-show-locus.c (struct column_range): New struct.
5805         (get_affected_columns): New function.
5806         (get_printed_columns): New function.
5807         (struct correction): New struct.
5808         (correction::ensure_capacity): New function.
5809         (correction::ensure_terminated): New function.
5810         (struct line_corrections): New struct.
5811         (line_corrections::~line_corrections): New dtor.
5812         (line_corrections::add_hint): New function.
5813         (layout::print_trailing_fixits): Reimplement in terms of the new
5814         classes.
5815         (selftest::test_overlapped_fixit_printing): New function.
5816         (selftest::diagnostic_show_locus_c_tests): Call it.
5817
5818 2017-05-03  Nathan Sidwell  <nathan@acm.org>
5819
5820         Canonicalize canonical type hashing
5821         * tree.h (type_hash_canon_hash): Declare.
5822         * tree.c (type_hash_list, attribute_hash_list): Move into
5823         type_hash_canon_hash.
5824         (build_type_attribute_qual_variant): Break out hash code calc into
5825         type_hash_canon_hash.
5826         (type_hash_canon_hash): New.  Generic type hash computation.
5827         (build_range_type_1, build_array_type_1, build_function_type,
5828         build_method_type_directly, build_offset_type, build_complex_type,
5829         make_vector_type): Call it.
5830
5831 2017-05-03  Richard Biener  <rguenther@suse.de>
5832
5833         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
5834         When all DRs have unknown misaligned do not always peel
5835         when there is a store but apply the same costing model as if
5836         there were only loads.
5837
5838 2017-05-03  Richard Biener  <rguenther@suse.de>
5839
5840         Revert
5841         PR tree-optimization/80492
5842         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
5843         compare_base_decls returning dont-know properly.
5844
5845 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5846
5847         * config/arm/iterators.md (CCSI): New mode iterator.
5848         (arch): New mode attribute.
5849         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
5850         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
5851         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
5852         code iterator for success result mode.
5853         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
5854         the corresponding new insn generators.
5855
5856 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
5857
5858         Revert r247509
5859         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
5860         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
5861
5862 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
5863
5864         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
5865         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
5866         (DDR_A): Wrap DDR argument in brackets.
5867         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
5868         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
5869         (DDR_REVERSED_P): Likewise.
5870
5871 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
5872
5873         PR tree-optimization/79472
5874         * tree-switch-conversion.c (struct switch_conv_info): Add
5875         contiguous_range and default_case_nonstandard fields.
5876         (collect_switch_conv_info): Compute contiguous_range and
5877         default_case_nonstandard fields, don't clear final_bb if
5878         contiguous_range and only the default case doesn't have the required
5879         structure.
5880         (check_all_empty_except_final): Set default_case_nonstandard instead
5881         of failing if contiguous_range and the default case doesn't have empty
5882         block.
5883         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
5884         and only the default case doesn't have the required constants.  Skip
5885         virtual phis.
5886         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
5887         if default_case_nonstandard.
5888         (build_constructors): Build constant 1 just once.  Assert that default
5889         values aren't inserted in between cases if contiguous_range.  Skip
5890         virtual phis.
5891         (build_arrays): Skip virtual phis.
5892         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
5893         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
5894         Handle virtual phis.
5895         (gen_inbound_check): Handle default_case_nonstandard case.
5896         (process_switch): Adjust check_final_bb caller.  Call
5897         gather_default_values with the first non-default case instead of
5898         default case if default_case_nonstandard.
5899
5900 2017-05-02  Nathan Sidwell  <nathan@acm.org>
5901
5902         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
5903         check.  Fix formatting.
5904
5905 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
5906
5907         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
5908         errors when comparing specialized and unspecialized times.
5909
5910 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
5911
5912         * diagnostic-show-locus.c
5913         (layout::should_print_annotation_line_p): Make private.
5914         (layout::print_annotation_line): Make private.
5915         (layout::annotation_line_showed_range_p): Make private.
5916         (layout::show_ruler): Make private.
5917         (layout::print_source_line): Make private.  Pass in line and
5918         line_width, rather than calling location_get_source_line.  Drop
5919         returned value.
5920         (layout::print_leading_fixits): New method.
5921         (layout::print_any_fixits): Rename to...
5922         (layout::print_trailing_fixits): ...this, and make private.
5923         Don't print newline fixits.
5924         (diagnostic_show_locus): Move logic for printing one row into...
5925         (layout::print_line): ...this new function.  Move the
5926         location_get_source_line call and error-handling from
5927         print_source_line to here.  Call print_leading_fixits, and rename
5928         print_any_fixits to print_trailing_fixits.
5929         (selftest::test_fixit_insert_containing_newline): Update now that
5930         newlines are partially supported.
5931         (selftest::test_fixit_insert_containing_newline_2): New test.
5932         (selftest::test_fixit_replace_containing_newline): Update comments.
5933         (selftest::diagnostic_show_locus_c_tests): Call the new test.
5934         * edit-context.c (class added_line): New class.
5935         (class edited_line): Describe newline handling in comment.
5936         (edited_line::actually_edited_p): New method.
5937         (edited_line::print_content): Delete redundant decl.
5938         (edited_line::m_predecessors): New field.
5939         (edited_file::print_content): Call edited_line::print_content.
5940         (edited_file::print_diff): Update to support newlines.
5941         (edited_file::print_diff_hunk): Likewise.
5942         (edited_file::print_run_of_changed_lines): New function.
5943         (edited_file::print_diff_line): Convert to...
5944         (print_diff_line): ...this.
5945         (edited_file::get_effective_line_count): New function.
5946         (edited_line::edited_line): Initialize new field m_predecessors.
5947         (edited_line::~edited_line): Clean up m_predecessors.
5948         (edited_line::apply_fixit): Handle newlines.
5949         (edited_line::get_effective_line_count): New function.
5950         (edited_line::print_content): New function.
5951         (edited_line::print_diff_lines): New function.
5952         (selftest::test_applying_fixits_insert_containing_newline): New
5953         test.
5954         (selftest::test_applying_fixits_replace_containing_newline): New
5955         test.
5956         (selftest::insert_line): New function.
5957         (selftest::test_applying_fixits_multiple_lines): Add example of
5958         inserting a line.
5959         (selftest::edit_context_c_tests): Call the new tests.
5960
5961 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
5962
5963         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
5964         parameter cand.  Update dump information.
5965         (get_computation_cost): Update uses.
5966
5967 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
5968
5969         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
5970         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
5971         (get_computation_at, rewrite_use_address): Update use of
5972         get_computation_aff.
5973
5974 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
5975
5976         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
5977         (get_computation): Delete.
5978         (get_computation_cost): Implement like get_computation_cost_at.
5979         Use get_computation_at.
5980         (get_computation_cost_at): Delete.
5981         (rewrite_use_nonlinear_expr): Use get_computation_at.
5982         (rewrite_use_compare, remove_unused_ivs): Ditto.
5983
5984 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
5985
5986         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
5987
5988 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
5989
5990         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
5991         (ivopts_global_cost_for_size): Rename parameter and update uses.
5992         (iv_ca_recount_cost): Update uses.
5993         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
5994         candidates seperately in n_invs and n_cands.
5995         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
5996
5997 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
5998
5999         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
6000         (find_inv_vars_cb): New.
6001         (find_depends): Renamed to ...
6002         (find_inv_vars): ... this.
6003         (add_candidate_1, force_var_cost): Call find_inv_vars.
6004         (split_address_cost, determine_group_iv_cost_cond): Ditto.
6005
6006 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
6007
6008         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
6009         inv_vars.  Add inv_exprs.
6010         (struct iv_cand): Rename depends_on to inv_vars.
6011         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
6012         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
6013         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
6014         (dump_cand): Dump inv_vars.
6015         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
6016         (record_invariant, find_depends, add_candidate_1): Ditto.
6017         (set_group_iv_cost, force_var_cost): Ditto.
6018         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
6019         (get_computation_cost_at, get_computation_cost): Ditto.
6020         (determine_group_iv_cost_generic): Ditto.
6021         (determine_group_iv_cost_address): Ditto.
6022         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
6023         (determine_group_iv_costs): Ditto.
6024         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
6025         (iv_ca_set_remove_invariants): Renamed to ...
6026         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
6027         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
6028         (iv_ca_set_add_invariants):  Renamed to ...
6029         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
6030         (iv_ca_set_cp): Use iv_ca_set_add_invs.
6031         (iv_ca_has_deps): Support inv_vars and inv_exprs.
6032         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
6033         (create_new_ivs): Remove useless dump.
6034
6035 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
6036
6037         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
6038         iv_cand code.
6039         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
6040         (iv_ca_set_no_cp, create_new_iv): Ditto.
6041
6042 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
6043
6044         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
6045
6046 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
6047
6048         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
6049         function tree_check2.
6050
6051 2017-05-02  Martin Liska  <mliska@suse.cz>
6052
6053         * doc/gcov.texi: Add missing preposition.
6054         * gcov.c (function_info::function_info): Properly fill up
6055         all member variables.
6056
6057 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
6058
6059         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
6060
6061 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
6062
6063         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
6064
6065 2017-05-02  Martin Liska  <mliska@suse.cz>
6066
6067         PR lto/77954.
6068         * lto-streamer-in.c (lto_read_tree_1): Remove
6069         LTO_STREAMER_DEBUG.
6070         * lto-streamer.c (struct tree_hash_entry): Likewise.
6071         (struct tree_entry_hasher): Likewise.
6072         (tree_entry_hasher::hash): Likewise.
6073         (tree_entry_hasher::equal): Likewise.
6074         (lto_streamer_init): Likewise.
6075         (lto_orig_address_map): Likewise.
6076         (lto_orig_address_get): Likewise.
6077         (lto_orig_address_remove): Likewise.
6078         * lto-streamer.h: Likewise.
6079         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
6080         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
6081
6082 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
6083
6084         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
6085         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
6086         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
6087         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
6088         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
6089         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
6090         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
6091         (mm_maskz_sub_ss): New intrinsics.
6092         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
6093         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
6094         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
6095         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
6096         (__builtin_ia32_subss_mask_round): New builtins.
6097         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
6098         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
6099         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
6100         Renamed to ...
6101         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
6102         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
6103         Changed to ...
6104         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
6105         ... this.
6106
6107 2017-05-02  Martin Jambor  <mjambor@suse.cz>
6108
6109         PR tree-optimization/78687
6110         * tree-sra.c (access): New field parent.
6111         (process_subtree_disqualification): New function.
6112         (disqualify_candidate): Call it.
6113         (build_accesses_from_assign): Reset write flag if creating an
6114         assighnment link.
6115         (build_access_subtree): Fill in parent field and also prpagate
6116         down grp_write flag.
6117         (create_artificial_child_access): New parameter set_grp_write, set
6118         grp_write to its value.
6119         (propagate_subaccesses_across_link): Also propagate grp_write flag
6120         values.
6121         (propagate_all_subaccesses): Push the closest parent back to work
6122         queue if add_access_to_work_queue returned true.
6123
6124 2017-05-02  Richard Biener  <rguenther@suse.de>
6125
6126         * common.opt (fstrict-overflow): Alias negative to fwrapv.
6127         * doc/invoke.texi (fstrict-overflow): Remove all traces of
6128         -fstrict-overflow documentation.
6129         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
6130         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
6131         flag_strict_overflow.
6132         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
6133         * lto-opts.c (lto_write_options): Do not stream it.
6134         * lto-wrapper.c (merge_and_complain): Do not handle it.
6135         * opts.c (default_options_table): Do not set -fstrict-overflow.
6136         (finish_options): Likewise do not clear it when sanitizing.
6137         * simplify-rtx.c (simplify_const_relational_operation): Do not
6138         test flag_strict_overflow.
6139
6140 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
6141
6142         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
6143         using enabled attribute.
6144         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
6145         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
6146         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
6147         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
6148         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
6149         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
6150         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
6151         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
6152         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
6153         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
6154
6155 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
6156
6157         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
6158
6159 2017-05-02  Richard Biener  <rguenther@suse.de>
6160
6161         PR tree-optimization/80591
6162         Revert
6163         2017-04-10  Richard Biener  <rguenther@suse.de>
6164
6165         * tree-ssa-structalias.c (find_func_aliases): Properly handle
6166         asm inputs.
6167
6168 2017-05-02  Richard Biener  <rguenther@suse.de>
6169
6170         PR tree-optimization/80549
6171         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
6172         (cleanup_tree_cfg_noloop): Create forwarders to known loop
6173         headers if they do not have a preheader.
6174
6175 2017-05-02  Martin Liska  <mliska@suse.cz>
6176
6177         PR other/80589
6178         * common.opt: Fix typo.
6179         * doc/invoke.texi: Likewise.
6180
6181 2017-05-01  Jan Beulich  <jbeulich@suse.com>
6182
6183         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
6184         swapping, add (x,x,m,x,n) alternative.
6185
6186 2017-05-01  Nathan Sidwell  <nathan@acm.org>
6187
6188         * calls.c (combine_pending_stack_adjustment_and_call): Remove
6189         unnecessary unadjusted_alignment check.
6190
6191 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
6192
6193         PR c++/80038
6194         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
6195         operations here.
6196         * gimplify.c (gimplify_cilk_detach): New function.
6197         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
6198         * tree-core.h: Document EXPR_CILK_SPAWN.
6199         * tree.h (EXPR_CILK_SPAWN): Define.
6200
6201 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
6202
6203         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
6204         to use new fixit_hint representation, using the "replace" logic.
6205         (get_line_span_for_fixit_hint): Likewise.
6206         (layout::print_any_fixits): Likewise.
6207         (selftest::test_one_liner_many_fixits): Rename to...
6208         (selftest::test_one_liner_many_fixits_1): ...this, and update
6209         comment and expected output to reflect that the multiple fix-it
6210         hints are now consolidated into one insertion.
6211         (selftest::test_one_liner_many_fixits_2): New test.
6212         (selftest::test_diagnostic_show_locus_one_liner): Update for
6213         above.
6214         (selftest::test_fixit_consolidation): Update for fix-it API
6215         change.
6216         * diagnostic.c (print_parseable_fixits): Likewise.
6217         * edit-context.c (edited_line::m_line_events): Convert from
6218         auto_vec <line_event *> to auto_vec <line_event>.
6219         (class line_event): Convert from abstract base class to a concrete
6220         class, taking over the role of replace_event.
6221         (class insert_event): Delete.
6222         (class replace_event): Rename to class line_event.  Convert to
6223         half-open range.
6224         (edit_context::add_fixits): Reimplement.
6225         (edit_context::apply_insert): Delete.
6226         (edit_context::apply_replace): Rename to...
6227         (edit_context::apply_fixit): ...this.  Convert to half-open range.
6228         (edited_file::apply_insert): Delete.
6229         (edited_file::apply_replace): Rename to...
6230         (edited_file::apply_fixit): ...this.
6231         (edited_line::~edited_line): Drop deletion of events.
6232         (edited_line::apply_insert): Delete.
6233         (edited_line::apply_replace): Rename to...
6234         (edited_line::apply_fixit): ...this.  Convert to half-open range.
6235         Update for change to type of m_line_events.
6236         * edit-context.h (edit_context::apply_insert): Delete.
6237         (edit_context::apply_replace): Rename to...
6238         (edit_context::apply_fixit): ...this.
6239
6240 2017-05-01  Martin Sebor  <msebor@redhat.com>
6241
6242         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
6243         known.
6244
6245 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
6246
6247         PR target/68491
6248         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
6249         __get_cpuid_max returns 0.
6250         (__get_cpuid_count): Ditto.
6251
6252 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
6253
6254         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
6255         replacement expression is another instance of one of its arguments.
6256
6257 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
6258
6259         PR target/79430
6260         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
6261         check for stack push/pop autoinc.
6262         * config/i386/i386.c (ix86_agi_dependent): Return false
6263         if the only reason why modified_in_p returned true is that
6264         addr is SP based and set_insn is a push or pop.
6265
6266 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
6267
6268         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
6269         overflow check.
6270
6271 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
6272
6273         PR ipa/79224
6274         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
6275         (account_size_time): Use two predicates - exec_pred and
6276         nonconst_pred_ptr.
6277         (evaluate_conditions_for_known_args): Compute both clause and
6278         nonspec_clause.
6279         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
6280         (inline_summary_t::duplicate): Update.
6281         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
6282         separately.
6283         (compute_inline_parameters): Likewise.
6284         (estimate_edge_size_and_time): Update caluclation of time.
6285         (estimate_node_size_and_time): Compute both time and nonspecialized
6286         time.
6287         (estimate_ipcp_clone_size_and_time): Update.
6288         (inline_merge_summary): Update.
6289         (do_estimate_edge_time): Update.
6290         (do_estimate_edge_size): Update.
6291         (do_estimate_edge_hints): Update.
6292         (inline_read_section, inline_write_summary): Stream both new predicates.
6293         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
6294         as argument.
6295         (compute_inlined_call_time): Cleanup.
6296         (big_speedup_p): Update.
6297         (edge_badness): Update.
6298         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
6299         (size_time_entry): Replace predicate by exec_predicate and
6300         nonconst_predicate.
6301         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
6302         (estimate_edge_time): Return also nonspec_time.
6303         (reset_edge_growth_cache): Update.
6304
6305 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
6306
6307         PR rtl-optimization/80491
6308         * ifcvt.c (noce_process_if_block): When looking for x setter
6309         with missing else_bb, don't check only the insn right before
6310         cond_earliest, but look for the last insn that x is modified in
6311         within the same bb.
6312
6313         PR rtl-optimization/80491
6314         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
6315
6316 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
6317
6318         PR tree-optimization/80487
6319         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
6320
6321 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
6322
6323         PR tree-optimization/79697
6324         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
6325         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
6326         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
6327         BUILT_IN_STRNDUP.
6328         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
6329         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
6330
6331 2017-04-28  Martin Sebor  <msebor@redhat.com>
6332
6333         PR tree-optimization/80523
6334         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
6335         (init_target_to_host_charmap, target_to_host, target_strtol10): New
6336         functions.
6337         (maybe_warn, format_directive, parse_directive): Use new functions.
6338         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
6339
6340 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
6341
6342         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
6343
6344 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6345
6346         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
6347         target_header_dir): Set correctly.
6348         * configure: Regenerated.
6349         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
6350         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
6351         instead of SYSTEM_HEADER_DIR.
6352
6353 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
6354
6355         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
6356         (estimate_local_effects): Likewise.
6357         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
6358         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
6359         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
6360         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
6361         do_estimate_edge_time, estimate_edge_time): Likewise.
6362         * ipa-inline-analysis.c (estimate_node_size_and_time,
6363         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
6364         (estimate_time_after_inlining): Remove.
6365
6366 2017-04-28  Martin Liska  <mliska@suse.cz>
6367
6368         * doc/gcov.texi: Enhance documentation of gcov.
6369
6370 2017-04-28  Martin Liska  <mliska@suse.cz>
6371
6372         * doc/gcov.texi: Sort options in alphabetic order.
6373         * doc/gcov-dump.texi: Likewise.
6374         * doc/gcov-tool.texi: Likewise.
6375         * gcov.c (print_usage): Likewise.
6376         * gcov-dump.c (print_usage): Likewise.
6377         * gcov-tool.c (print_merge_usage_message): Likewise.
6378         (print_rewrite_usage_message): Likewise.
6379         (print_overlap_usage_message): Likewise.
6380
6381 2017-04-28  Martin Liska  <mliska@suse.cz>
6382
6383         PR gcov-profile/53915
6384         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
6385
6386 2017-04-28  Martin Liska  <mliska@suse.cz>
6387
6388         PR gcov-profile/79891
6389         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
6390         is marked by compiler as living on a line.
6391         (get_cycles_count): Remove usage of the union.
6392         (output_intermediate_file): Likewise.
6393         (find_source): Fix GNU coding style.
6394         (accumulate_line_counts): Remove old non-all block mode.
6395         (output_lines): Remove usage of the union.
6396         * profile.c (output_location): Include all BBs, even if
6397         belonging to a same line (and file) as a previous BB.
6398
6399 2017-04-28  Martin Liska  <mliska@suse.cz>
6400
6401         * gcov.c (process_args): Handle new argument 'w'.
6402         (read_graph_file): Assign ID to BBs.
6403         (output_branch_count): Display BB # if verbose flag is set.
6404         (output_lines): Likewise for arcs.
6405         (print_usage): Add '--verbose' option help.
6406         * doc/gcov.texi: Document --verbose (-w) option.
6407
6408 2017-04-28  Martin Liska  <mliska@suse.cz>
6409
6410         * gcov.c (struct block_location_info): New struct.
6411         (process_file): Fill up the new structure.
6412         (read_graph_file): Replace usage of encoding by the newly added
6413         struct.
6414         (add_line_counts): Likewise.
6415         (accumulate_line_counts): Remove usage of the union.
6416         (function_info::function_info): New function.
6417         (function_info::~function_info): Likewise.
6418         (process_file): Call delete instead of release_function.
6419         (release_function): Release the function.
6420         (release_structures): Call delete instead of release_function.
6421         (solve_flow_graph): Replace usage of num_blocks.
6422         (find_exception_blocks): Likewise.
6423         (output_lines): Fix GNU coding style.
6424
6425 2017-04-28  Martin Liska  <mliska@suse.cz>
6426
6427         PR driver/56469
6428         * coverage.c (coverage_remove_note_file): New function.
6429         * coverage.h: Declare the function.
6430         * toplev.c (finalize): Clean if an error has been seen.
6431
6432 2017-04-28  Martin Liska  <mliska@suse.cz>
6433
6434         PR gcov-profile/80031
6435         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
6436         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
6437         * gcov.c (read_graph_file): Read just number of blocks.
6438         * profile.c (branch_prob): Do not stream 0 flags per a basic
6439         block.
6440
6441 2017-04-28  Martin Liska  <mliska@suse.cz>
6442
6443         * gcov-dump.c (tag_*): Add new argument to declarations.
6444         (dump_gcov_file): Likewise.
6445         (tag_blocks): Add and use new argument depth.
6446         (tag_arcs): Likewise.
6447         (tag_lines): Likewise.
6448         (tag_counters): Likewise.
6449         (tag_summary): Likewise.
6450         (dump_working_sets): Use depth to do a proper indentation.
6451
6452 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
6453
6454         PR bootstrap/80531
6455         * cgraph.h (symtab_node::debug_symtab): No longer inline.
6456         * symtab.c (symtab_node::debug_symtab): Move definition here.
6457
6458 2017-04-28  Richard Biener  <rguenther@suse.de>
6459
6460         * lto-streamer.h (LTO_major_version): Bump to 7.
6461
6462 2017-04-28  Richard Biener  <rguenther@suse.de>
6463
6464         * tree-vrp.c (assert_info): New struct.
6465         (add_assert_info): New helper.
6466         (register_edge_assert_for_2): Refactor to add asserts to a vector
6467         of assert_info.
6468         (register_edge_assert_for_1): Likewise.
6469         (register_edge_assert_for): Likewise.
6470         (finish_register_edge_assert_for): New helper actually registering
6471         asserts where live on edge.
6472         (find_conditional_asserts): Adjust.
6473         (find_switch_asserts): Likewise.
6474         (evrp_dom_walker::try_find_new_range): Generalize.
6475         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
6476
6477 2017-04-27  Marek Polacek  <polacek@redhat.com>
6478
6479         PR sanitizer/80349
6480         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
6481         arg10 and arg11 to itype.
6482
6483 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
6484
6485         * doc/extend.texi (Object Size Checking): Improve grammar.
6486
6487 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
6488
6489         PR target/80530
6490         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
6491         that the logic for permitting reciprocal estimates matches that
6492         in use_rsqrt_p.
6493
6494 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
6495
6496         PR c++/80534
6497         * tree.c (type_cache_hasher::equal): Only compare
6498         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
6499         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
6500         non-aggregate element types.
6501         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
6502         about the flag on ARRAY_TYPEs in the comment, formatting fix.
6503
6504 2017-04-27  Richard Biener  <rguenther@suse.de>
6505
6506         PR middle-end/80533
6507         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
6508         stripping ARRAY_REFs from MEM_EXPR make sure we're not
6509         keeping a reference to a trailing array.
6510
6511 2017-04-27  Richard Biener  <rguenther@suse.de>
6512
6513         PR middle-end/80539
6514         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
6515         being in loop-closed SSA form conservatively.
6516         (chrec_fold_multiply_poly_poly): Likewise.
6517
6518 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
6519
6520         PR middle-end/79665
6521         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
6522         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
6523
6524 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
6525
6526         PR target/77728
6527         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
6528         (aarch64_function_arg_alignment): Return unsigned int again, but still
6529         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
6530         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
6531         Don't emit -Wpsabi note.
6532         (aarch64_function_arg_boundary): Likewise.
6533         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
6534         caller.
6535
6536 2017-04-26  Nathan Sidwell  <nathan@acm.org>
6537
6538         * tree.h (crc32_unsigned_n): Declare.
6539         (crc32_unsigned, crc32_unsigned): Make inline.
6540         * tree.c (crc32_unsigned_bits): Replace with ...
6541         (crc32_unsigned_n): ... this.
6542         (crc32_unsigned, crc32_byte): Remove.
6543         (crc32_string): Remove unnecessary braces.
6544
6545 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
6546
6547         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
6548         * ipa-inline-analysis.c (MAX_TIME): Remove.
6549         (account_size_time): Use sreal for time.
6550         (dump_inline_summary): Update.
6551         (estimate_function_body_sizes): Update.
6552         (estimate_edge_size_and_time): Update.
6553         (estimate_calls_size_and_time): Update.
6554         (estimate_node_size_and_time): Update.
6555         (inline_merge_summary): Update.
6556         (inline_update_overall_summary): Update.
6557         (estimate_time_after_inlining): Update.
6558         (inline_read_section): Update.
6559         (inline_write_summary): Update.
6560         * ipa-inline.c (compute_uninlined_call_time): Update.
6561         (compute_inlined_call_time): Update.
6562         (recursive_inlining): Update.
6563         (inline_small_functions): Update.
6564         (dump_overall_stats): Update.
6565         * ipa-inline.h: Include sreal.h.
6566         (size_time_entry): Turn time to sreal.
6567         (inline_summary): Turn self_time nad time to sreal.
6568
6569 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
6570
6571         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
6572         data-streamer.h
6573         (sreal::stream_out, sreal::stream_in): New.
6574         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
6575
6576 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
6577
6578         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
6579         environment.
6580
6581 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
6582
6583         PR target/70799
6584         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
6585         Handle ASHIFTRT.
6586         (dimode_scalar_chain::compute_convert_gain): Ditto.
6587         (dimode_scalar_chain::make_vector_copies): Ditto.
6588         (dimode_scalar_chain::convert_reg): Ditto.
6589         (dimode_scalar_chain::convert_insn): Ditto.
6590         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
6591         (VI248_AVX512BW_1): New mode iterator.
6592         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
6593         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
6594         mode iterator.
6595
6596 2017-04-25  Martin Sebor  <msebor@redhat.com>
6597
6598         PR tree-optimization/80497
6599         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
6600         constants are representable in HOST_WIDE_INT.
6601         (parse_directive): Ditto.
6602
6603 2017-04-25  Martin Sebor  <msebor@redhat.com>
6604
6605         PR bootstrap/80486
6606         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
6607         (new_zero_array): Adjust signature.
6608         (dom_info::dom_init): Used unsigned rather that size_t.
6609         (dom_info::dom_info): Same.
6610
6611 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6612             Jakub Jelinek  <jakub@redhat.com>
6613
6614         PR target/77728
6615         * config/arm/arm.c: Include gimple.h.
6616         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
6617         returns negative, increment ncrn only if it returned positive.
6618         (arm_needs_doubleword_align): Return int instead of bool,
6619         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
6620         members, but if there is any such non-FIELD_DECL
6621         > PARM_BOUNDARY aligned decl, return -1 instead of false.
6622         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
6623         returns negative, increment nregs only if it returned positive.
6624         (arm_setup_incoming_varargs): Likewise.
6625         (arm_function_arg_boundary): Emit -Wpsabi note if
6626         arm_needs_doubleword_align returns negative, return
6627         DOUBLEWORD_ALIGNMENT only if it returned positive.
6628
6629 2017-04-25  Marek Polacek  <polacek@redhat.com>
6630
6631         PR sanitizer/80349
6632         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
6633         first argument to type.
6634
6635 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
6636
6637         PR target/80482
6638         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
6639         type checks to test for compatibility instead of equality.
6640
6641 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6642             Jakub Jelinek  <jakub@redhat.com>
6643
6644         PR target/77728
6645         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
6646         type.
6647         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
6648         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
6649         the alignment computation, but return their maximum in warn_alignment.
6650         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
6651         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
6652         is smaller.
6653         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
6654         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
6655         caller.
6656
6657 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
6658
6659         * config/arc/simdext.md (dmpyh): Fix typo.
6660
6661 2017-04-25  Richard Biener  <rguenther@suse.de>
6662
6663         PR tree-optimization/80492
6664         * alias.c (compare_base_decls): Handle registers with asm
6665         specification conservatively.
6666         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
6667         compare_base_decls returning dont-know properly.
6668
6669 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
6670
6671         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
6672         (legitimate_offset_address_p): New function.
6673         (arc_legitimate_address_p): Use above function.
6674
6675 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
6676
6677         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
6678
6679 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
6680
6681         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
6682         ACCH registers whenever they are available.
6683
6684 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
6685
6686         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
6687         double regs fix when not used.
6688
6689 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
6690
6691         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
6692         core registers.
6693         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
6694         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
6695
6696 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
6697
6698         * config/arc/arc.c (arc_output_addsi): Check for h-register class
6699         when emitting short ADD instructions.
6700
6701 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
6702
6703         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
6704         constraint.
6705         (cmpsi_cc_c_insn): Likewise.
6706         (cbranchsi4_scratch): Compute proper instruction length using
6707         compact_hreg_operand.
6708         * config/arc/predicates.md (compact_hreg_operand): New predicate.
6709
6710 2017-04-25  Richard Biener  <rguenther@suse.de>
6711
6712         PR middle-end/80509
6713         * passes.c (pass_manager::pass_manager): Initialize
6714         m_name_to_pass_map.
6715
6716 2017-04-25  Richard Biener  <rguenther@suse.de>
6717
6718         PR tree-optimization/79201
6719         * tree-ssa-sink.c (statement_sink_location): Handle calls.
6720
6721 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6722
6723         PR target/80464
6724         * config/s390/vector.md: Split MEM->GPR vector moves for
6725         non-s_operand addresses.
6726
6727 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6728
6729         PR target/79895
6730         * config/s390/predicates.md (reload_const_wide_int_operand): New
6731         predicate.
6732         * config/s390/s390.md ("movti"): Remove d/P alternative.
6733         ("movti_bigconst"): New pattern definition.
6734
6735 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6736
6737         PR target/80080
6738         * s390-protos.h (s390_expand_cs_hqi): Removed.
6739         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
6740         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
6741         modes as well as CCZ1mode and CCZmode.
6742         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
6743         signature of s390_emit_compare_and_swap.
6744         (s390_expand_cs_hqi): Likewise, make static.
6745         (s390_expand_cs_tdsi): Generate an explicit compare before trying
6746         compare-and-swap, in some cases.
6747         (s390_expand_cs): Wrapper function.
6748         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
6749         atomic_exchange.
6750         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
6751         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
6752         patterns for small and large integers.  Forbid symref memory operands.
6753         Move expander to s390.c.  Require cc register.
6754         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
6755         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
6756         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
6757         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
6758         symref memory operands.  Remove CC mode and call s390_match_ccmode
6759         instead.
6760         ("atomic_exchange<mode>"): Allow and implement all integer modes.
6761
6762 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6763
6764         * config/s390/s390.md (define_peephole2): New peephole to help
6765         combining the load-and-test pattern with volatile memory.
6766
6767 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6768
6769         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
6770         with CCZmode for TARGET_Z196.
6771
6772 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
6773
6774         PR rtl-optimization/80501
6775         * combine.c (make_compound_operation_int): Set subreg_code to SET
6776         even for AND with mask of the sign bit of mode.
6777
6778         PR rtl-optimization/80500
6779         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
6780         sum's initial value.
6781
6782 2017-04-25  Julian Brown  <julian@codesourcery.com>
6783             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
6784
6785         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
6786
6787 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
6788
6789         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
6790
6791 2017-04-25  Julian Brown  <julian@codesourcery.com>
6792             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
6793
6794         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
6795         (thunderx2t99_sha): New Reservation.
6796
6797 2017-04-25  Julian Brown  <julian@codesourcery.com>
6798             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
6799
6800         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
6801         type for 1-element load.
6802
6803 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
6804
6805         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
6806
6807 2017-04-24  Martin Jambor  <mjambor@suse.cz>
6808
6809         PR tree-optimization/80293
6810         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
6811         char arrays not totally scalarizable if it is false.
6812         (analyze_all_variable_accesses): Pass correct value in the new
6813         parameter.  Add a statistics counter.
6814
6815 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
6816
6817         PR middle-end/79931
6818         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
6819
6820 2017-04-24  Richard Biener  <rguenther@suse.de>
6821
6822         PR tree-optimization/80494
6823         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
6824         out for complex types.
6825
6826 2017-04-24  Richard Biener  <rguenther@suse.de>
6827
6828         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
6829         * tree-ssa-sccvn.c (print_scc): Print SCC size.
6830         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
6831         (DFS): Adjust and never fail.
6832         (sccvn_dom_walker::fail): Remove.
6833         (sccvn_dom_walker::before_dom_children): Adjust.
6834         (run_scc_vn): Likewise and never fail.
6835         * tree-ssa-pre.c (pass_pre::execute): Adjust.
6836         (pass_fre::execute): Likewise.
6837
6838 2017-04-24  Richard Biener  <rguenther@suse.de>
6839
6840         PR tree-optimization/79725
6841         * tree-ssa-sink.c (statement_sink_location): Return whether
6842         failure reason was zero uses.  Move that check later.
6843         (sink_code_in_bb): Deal with zero uses by removing the stmt
6844         if possible.
6845
6846 2017-04-24  Richard Biener  <rguenther@suse.de>
6847
6848         PR c++/2972
6849         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
6850         pointer-based references.
6851
6852 2017-04-24  Richard Biener  <rguenther@suse.de>
6853
6854         PR bootstrap/79814
6855         * pass_manager.h (pass_manager::operator new): Remove.
6856         (pass_manager::operator delete): Likewise.
6857         * passes.c (pass_manager::operator new): Remove.
6858         (pass_manager::operator delete): Likewise.
6859         (pass_manager::pass_manager): Zero individual pass members.
6860
6861 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
6862
6863         PR target/70799
6864         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
6865         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
6866         Check "XEXP (src, 1)" operand here.
6867         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
6868         Check "XEXP (src, 1)" operand here.
6869         (dimode_scalar_chain::make_vector_copies): Detect count register
6870         of a shift instruction.  Zero extend count register from QImode
6871         to DImode to satisfy vector shift pattern count operand predicate.
6872         Substitute vector shift count operand with a DImode copy.
6873         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
6874         vector register.
6875
6876 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
6877
6878         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
6879         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
6880         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
6881         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
6882         (UNSPEC_NOREX_MEM): Remove definition.
6883
6884 2017-04-21  Richard Biener  <rguenther@suse.de>
6885
6886         PR tree-optimization/79547
6887         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
6888         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
6889         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
6890         without any constraints.
6891
6892 2017-04-21  Richard Biener  <rguenther@suse.de>
6893
6894         PR tree-optimization/78847
6895         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
6896
6897 2017-04-21  Richard Biener  <rguenther@suse.de>
6898
6899         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
6900         (build_distinct_type_copy): Likewise.
6901         (build_variant_type_copy): Likewise.
6902         * tree.c (build_qualified_type): Pass down mem-stat info.
6903         (build_distinct_type_copy): Likewise.
6904         (build_variant_type_copy): Likewise.
6905
6906 2017-04-21  Richard Biener  <rguenther@suse.de>
6907
6908         PR tree-optimization/80237
6909         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
6910         defaulted to NULL.
6911         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
6912         for a simplified result.
6913
6914 2016-04-21  Richard Biener  <rguenther@suse.de>
6915
6916         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
6917         sth as strict as a simple_iv but a chrec without symbols and an
6918         operand defined in the loop we are peeling (and not some subloop).
6919         (propagate_constants_for_unrolling): Propagate all constants.
6920
6921 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
6922
6923         PR target/79804
6924         * config/i386/i386.c (print_reg): Remove assert for disalowed
6925         regno values, call output_operand_lossage instead.
6926
6927 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
6928
6929         PR target/78090
6930         * config/i386/constraints.md (Yc): New register constraint.
6931         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
6932         Use Yc constraint for alternative 2 of operand 0.  Remove
6933         preferred_for_speed attribute.
6934
6935 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
6936
6937         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
6938         lastprivate clauses in SIMT case.
6939
6940 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
6941
6942         * doc/invoke.texi (-Wextra-semi): Document new warning option.
6943
6944 2017-04-20  Richard Biener  <rguenther@suse.de>
6945
6946         PR tree-optimization/57796
6947         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
6948         as N scalar stores.
6949         (vect_model_load_cost): Cost gathers as N scalar loads.
6950
6951 2017-04-20  Richard Biener  <rguenther@suse.de>
6952
6953         * ggc-page.c (ggc_allocated_p): Rename to ...
6954         (safe_lookup_page_table_entry): ... this and return the lookup
6955         result.
6956         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
6957
6958 2017-04-20  Richard Biener  <rguenther@suse.de>
6959
6960         PR tree-optimization/80453
6961         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
6962         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
6963         from the conditions.
6964         (vn_phi_eq): Pass them down.
6965         (vn_phi_lookup): Record them.
6966         (vn_phi_insert): Likewise.
6967
6968 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
6969
6970         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
6971         uninitialized variable warning to avoid buffer overrun.
6972
6973 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
6974
6975         PR other/71250
6976         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
6977         is suppressed for '{ 0 }' in C.
6978
6979 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
6980
6981         * BASE-VER: Set to 8.0.0.
6982
6983 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
6984
6985         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
6986         priority .init_array and .fini_array section with SECTION_NOTYPE
6987         flag.
6988
6989 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
6990
6991         PR middle-end/80423
6992         * tree.h (build_array_type): Add typeless_storage default argument.
6993         * tree.c (type_cache_hasher::equal): Also compare
6994         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
6995         (build_array_type): Add typeless_storage argument, set
6996         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
6997         recursive call.
6998         (build_nonshared_array_type): Adjust build_array_type_1 caller.
6999         (build_array_type): Likewise.  Add typeless_storage argument.
7000
7001 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
7002             Jakub Jelinek  <jakub@redhat.com>
7003
7004         PR tree-optimization/80426
7005         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
7006         operation on symbolic operands, also compute the overflow for the
7007         invariant part when the operation degenerates into a negation.
7008
7009 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
7010
7011         PR debug/80461
7012         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
7013         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
7014
7015         PR debug/80436
7016         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
7017
7018 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
7019
7020         PR target/80462
7021         * config/avr/avr.c (tree.h): Include it.
7022         (cgraph.h): Include it.
7023         (avr_encode_section_info): Don't warn for uninitialized progmem
7024         variable if it's just an alias.
7025
7026 2017-04-19  Richard Biener  <rguenther@suse.de>
7027
7028         PR ipa/65972
7029         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
7030         when needed by AutoPGO.
7031
7032 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
7033
7034         PR lto/50345
7035         * doc/lto.texi: Remove an extra 'that'.
7036
7037 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
7038
7039         PR rtl-optimization/80429
7040         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
7041         are only used in debug insns.
7042
7043 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
7044             Vladimir Makarov  <vmakarov@redhat.com>
7045
7046         * config/sparc/predicates.md (input_operand): Add comment.  Return
7047         true for any memory operand when LRA is in progress.
7048         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
7049
7050 2017-04-18  Jeff Law  <law@redhat.com>
7051
7052         PR target/74563
7053         * mips.md ({return,simple_return}_internal): Do not overwrite
7054         operands[0].
7055
7056 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
7057
7058         PR tree-optimization/80443
7059         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
7060         instead of adding 1, subtract -1 and similarly instead of subtracting
7061         1 add -1.
7062
7063 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
7064
7065         PR rtl-optimization/80357
7066         * haifa-sched.c (tmp_bitmap): New variable.
7067         (model_recompute): Handle duplicate use records.
7068         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
7069         (free_global_sched_pressure_data): Free it.
7070
7071 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7072
7073         Revert:
7074         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7075         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
7076         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
7077         instead of SYSTEM_HEADER_DIR.
7078
7079 2017-04-18  Jeff Law  <law@redhat.com>
7080
7081         PR middle-end/80422
7082         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
7083         predecessors after walking up the insn chain.
7084
7085 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
7086
7087         PR debug/80263
7088         * dwarf2out.c (modified_type_die): Try harder not to emit internal
7089         sizetype type into debug info.
7090
7091 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
7092
7093         PR target/80099
7094         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
7095         unneeded test for TARGET_UPPER_REGS_SF.
7096         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
7097
7098 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
7099
7100         PR sanitizer/80444
7101         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
7102         instead of gsi_after_labels.
7103
7104 2017-04-18  Jeff Law  <law@redhat.com>
7105
7106         * regcprop.c (maybe_mode_change): Avoid creating copies of the
7107         stack pointer.
7108
7109         Revert:
7110         2017-04-13  Jeff Law  <law@redhat.com>
7111         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
7112         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
7113
7114 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
7115
7116         PR target/79453
7117         * config/avr/avr.c (intl.h): Include it.
7118         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
7119
7120 2017-04-18  Martin Liska  <mliska@suse.cz>
7121
7122         PR gcov-profile/78783
7123         * gcov-tool.c (gcov_output_files): Validate that destination
7124         file is either removed by the tool or by a user.
7125
7126 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
7127             Guy Benyei  <guybe@mellanox.com>
7128
7129         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
7130         block, and do not negate it, the stored id is already negative.
7131
7132 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
7133
7134         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
7135
7136 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
7137
7138         PR target/80098
7139         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
7140         masks of options that should be turned off if the VSX vector
7141         options are turned off.
7142         (OTHER_P8_VECTOR_MASKS): Likewise.
7143         (OTHER_VSX_VECTOR_MASKS): Likewise.
7144         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
7145         rs6000_disable_incompatible_switches to validate no type switches
7146         like -mvsx.
7147         (rs6000_incompatible_switch): New function to disallow turning on
7148         other vector options if -mno-vsx, -mno-power8-vector, or
7149         -mno-power9-vector are specified.
7150
7151 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
7152
7153         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
7154
7155 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
7156
7157         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
7158         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
7159         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
7160         (ARG_POINTER_CFA_OFFSET): Likewise.
7161
7162 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
7163
7164         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
7165         conditions to take advantage of various optimizations.
7166
7167 2017-04-13  Jeff Law  <law@redhat.com>
7168
7169         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
7170         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
7171         (zero_extendsidi2_dext): Likewise.
7172
7173 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
7174
7175         PR sanitizer/80403
7176         * fold-const.c (fold_ternary_loc): Revert
7177         use op0 instead of fold_convert_loc (loc, type, arg0) part of
7178         2017-04-12 change.
7179
7180 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
7181
7182         PR rtl-optimization/80343
7183         * lra-remat.c (update_scratch_ops): Assign original hard reg to
7184         new scratch pseudo.
7185
7186 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
7187
7188         PR sanitizer/80414
7189         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
7190         to ubsan_encode_value.
7191
7192 2017-04-13  Jeff Law  <law@redhat.com>
7193
7194         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
7195         appearing in DEBUG_INSNs.
7196
7197 2017-04-13  Martin Liska  <mliska@suse.cz>
7198
7199         PR gcov-profile/80413
7200         * gcov-io.c (gcov_write_string): Copy to buffer just when
7201         allocated size is greater than zero.
7202
7203 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
7204
7205         PR debug/80321
7206         * dwarf2out.c (decls_for_scope): Ignore declarations of
7207         current_function_decl in BLOCK_NONLOCALIZED_VARS.
7208
7209 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
7210
7211         PR lto/69953
7212         * ipa-visibility.c (non_local_p): Fix typos.
7213         (localize_node): When localizing symbol in same comdat group,
7214         dissolve the group only when we know external symbols are going
7215         to be privatized.
7216         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
7217
7218 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
7219
7220         PR tree-optimization/79390
7221         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
7222         order does not result in usable sequence, retry with reversed operand
7223         order.
7224
7225         PR sanitizer/80403
7226         PR sanitizer/80404
7227         PR sanitizer/80405
7228         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
7229         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
7230         op0 instead of fold_convert_loc (loc, type, arg0).
7231
7232 2017-04-12  Jeff Law  <law@redhat.com>
7233
7234         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
7235         has a delay slot in the generated code.
7236
7237         * config/cris/cris.md (cris_preferred_reload_class): Return
7238         GENNONACR_REGS rather than GENERAL_REGS.
7239
7240 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
7241
7242         PR c/80163
7243         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
7244         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
7245         signedness of the result type.
7246
7247 2017-04-12  Richard Biener  <rguenther@suse.de>
7248             Jeff Law  <law@redhat.com>
7249
7250         PR tree-optimization/80359
7251         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
7252         trim stores to TARGET_MEM_REFs.
7253
7254 2017-04-12  Richard Biener  <rguenther@suse.de>
7255
7256         PR tree-optimization/79390
7257         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
7258         threading case even more.
7259
7260 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
7261
7262         PR target/80382
7263         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
7264         for quad_address_p for TImode, instead of just not indexed_address.
7265
7266 2017-04-12  Richard Biener  <rguenther@suse.de>
7267             Bernd Edlinger  <bernd.edlinger@hotmail.de>
7268
7269         PR middle-end/79671
7270         * alias.c (component_uses_parent_alias_set_from): Handle
7271         TYPE_TYPELESS_STORAGE.
7272         (get_alias_set): Likewise.
7273         * tree-core.h (tree_type_common): Add typeless_storage flag.
7274         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
7275         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
7276         for types containing members with TYPE_TYPELESS_STORAGE.
7277         (place_field): Likewise.
7278         (layout_type): Likewise for ARRAY_TYPE.
7279         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
7280         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
7281         TYPE_TYPELESS_STORAGE.
7282         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
7283
7284 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
7285
7286         PR sanitizer/80349
7287         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
7288         first argument to type.
7289
7290 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7291
7292         PR target/80376
7293         PR target/80315
7294         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
7295         CONST0_RTX (mode) rather than const0_rtx where appropriate.
7296         (rs6000_expand_binop_builtin): Likewise.
7297         (rs6000_expand_ternop_builtin): Likewise; also add missing
7298         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
7299         vshasigma built-ins.
7300         * doc/extend.texi: Document that vec_xxpermdi's third argument
7301         must be a constant.
7302
7303 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
7304
7305         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
7306         Use shift_const cost parameter when calculating gain of STV shifts.
7307
7308 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
7309
7310         PR rtl-optimization/70478
7311         * lra-constraints.c (process_alt_operands): Check memory for
7312         disfavoring memory insn operand.
7313
7314 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
7315
7316         PR middle-end/80100
7317         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
7318         left shift in unsigned HOST_WIDE_INT type.
7319
7320         PR rtl-optimization/80385
7321         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
7322         (not (neg X)) into (plus X -1) for complex or non-integral modes.
7323
7324         PR libgomp/80394
7325         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
7326         if they have any depend clauses.
7327
7328 2017-04-11  Martin Liska  <mliska@suse.cz>
7329
7330         PR ipa/80212
7331         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
7332         * ipa-split.c (split_function): Create a local comdat symbol
7333         if caller is in a comdat group.
7334
7335 2017-04-11  Martin Liska  <mliska@suse.cz>
7336
7337         PR ipa/80212
7338         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
7339         flags.
7340
7341 2017-04-11  Martin Sebor  <msebor@redhat.com>
7342
7343         PR middle-end/80364
7344         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
7345         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
7346         for INTEGER_TYPE.
7347         (directive::set_width, directive::set_precision, format_character):
7348         Adjust.
7349         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
7350         INTEGER_TYPE.
7351
7352 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
7353
7354         PR target/80389
7355         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
7356         conflict, set target->arch_name instead of target->cpu_name.
7357
7358 2017-04-11  Richard Biener  <rguenther@suse.de>
7359
7360         PR tree-optimization/80374
7361         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
7362         build_zero_cst, remove fold_convertible_p check again.
7363
7364 2017-04-11  Martin Liska  <mliska@suse.cz>
7365
7366         PR sanitizer/70878
7367         * ubsan.c (instrument_object_size): Do not instrument register
7368         variables.
7369
7370 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
7371
7372         PR target/80381
7373         * config/i386/i386-builtin-types.def
7374         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
7375         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
7376         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
7377         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
7378         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
7379         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
7380         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
7381         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
7382         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
7383         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
7384         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
7385         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
7386         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
7387         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
7388         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
7389         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
7390         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
7391         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
7392         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
7393         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
7394         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
7395         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
7396         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
7397         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
7398         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
7399         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
7400         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
7401         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
7402         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
7403         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
7404         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
7405         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
7406         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
7407         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
7408         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
7409         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
7410         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
7411         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
7412         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
7413         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
7414         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
7415         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
7416         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
7417         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
7418         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
7419         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
7420         aliases.
7421         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
7422         flag to second_arg_count, handle 4 argument function type _COUNT
7423         aliases, handle second_arg_count on second argument rather than last.
7424
7425 2017-04-10  Jeff Law  <law@redhat.com>
7426
7427         PR tree-optimization/80374
7428         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
7429         record anything if we can not convert integer_zero_node to the
7430         desired type.
7431
7432 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7433
7434         PR target/80108
7435         * config/rs6000/rs6000.c (rs6000_option_override_internal):
7436         Enhance special handling given to the TARGET_P9_MINMAX option in
7437         relation to certain other options.
7438
7439 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
7440
7441         PR tree-optimization/80153
7442         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
7443         remove POINTER_PLUS_EXPR's base part directly, rather than through
7444         aff_tree.
7445
7446 2017-04-10  Richard Biener  <rguenther@suse.de>
7447             Bin Cheng  <bin.cheng@arm.com>
7448
7449         PR tree-optimization/80153
7450         * tree-affine.c (aff_combination_to_tree): Get base pointer from
7451         the first element of pointer type aff_tree.  Build result expr in
7452         aff_tree's type.
7453         (add_elt_to_tree): Convert to type unconditionally.  Remove other
7454         fold_convert calls.
7455         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
7456         (rewrite_use_nonlinear_expr): Check invariant using iv information.
7457
7458 2017-04-10  Richard Biener  <rguenther@suse.de>
7459
7460         * tree-ssa-structalias.c (find_func_aliases): Properly handle
7461         asm inputs.
7462
7463 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
7464
7465         PR rtl-optimization/70478
7466         * lra-constraints.c (curr_small_class_check): New.
7467         (update_and_check_small_class_inputs): New.
7468         (process_alt_operands): Update curr_small_class_check.  Disfavor
7469         alternative insn memory operands.  Check available regs for small
7470         class operands.
7471
7472 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
7473
7474         PR target/80057
7475         * config/mips/mips.opt (-mvirt): Update description.
7476         * doc/invoke.texi (-mvirt): Likewise.
7477
7478 2017-04-10  Richard Biener  <rguenther@suse.de>
7479
7480         PR middle-end/80362
7481         * fold-const.c (fold_binary_loc): Look at unstripped ops when
7482         looking for NEGATE_EXPR in -A / -B to A / B folding.
7483
7484 2017-04-10  Martin Liska  <mliska@suse.cz>
7485
7486         PR gcov-profile/80224
7487         * gcov.c (print_usage): Fix usage string.
7488         (get_gcov_intermediate_filename): Remove.
7489         (output_gcov_file): Use both for normal and intermediate format.
7490         (generate_results): Do not initialize special file for
7491         intermediate format.
7492
7493 2017-04-10  Richard Biener  <rguenther@suse.de>
7494
7495         PR tree-optimization/80304
7496         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
7497         for safelen.
7498
7499 2017-04-10  Nathan Sidwell  <nathan@acm.org>
7500
7501         PR target/79905
7502         * config/rs6000/rs6000.c (rs6000_vector_type): New.
7503         (rs6000_init_builtins): Use it.
7504
7505 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7506
7507         * config/arm/arm.md (<mrc>): Add mode to SET source.
7508         (<mrrc>): Likewise.
7509
7510 2017-04-10  Richard Biener  <rguenther@suse.de>
7511
7512         PR middle-end/80344
7513         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
7514
7515 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
7516
7517         PR target/80324
7518         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
7519         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
7520         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
7521         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
7522         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
7523         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
7524         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
7525         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
7526         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
7527         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
7528         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
7529         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
7530         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
7531         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
7532         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
7533         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
7534         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
7535         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
7536         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
7537         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
7538         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
7539         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
7540         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
7541
7542 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
7543
7544         PR rtl-optimization/70478
7545         * lra-constraints.c: Reverse the last patch.
7546
7547 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
7548
7549         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
7550         Add comment for WCHAR_T.
7551
7552 2017-04-08  Martin Liska  <mliska@suse.cz>
7553
7554         Revert:
7555         2017-04-07  Martin Liska  <mliska@suse.cz>
7556
7557         PR ipa/80212
7558         * ipa-split.c (split_function): Add function part to a same comdat
7559         group.
7560
7561 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
7562
7563         PR target/80358
7564         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
7565
7566 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
7567
7568         * rs6000/rs6000.c (vec_load_pendulum): Rename...
7569         (vec_pairing): ...to this.
7570         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
7571         (rs6000_sched_init): Adjust for name change.
7572         (struct rs6000_sched_context): Likewise.
7573         (rs6000_init_sched_context): Likewise.
7574         (rs6000_set_sched_context): Likewise.
7575
7576 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
7577
7578         PR target/80322
7579         PR target/80323
7580         PR target/80325
7581         PR target/80326
7582         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
7583         intrinsics.
7584         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
7585         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
7586         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
7587
7588 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
7589
7590         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
7591
7592 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
7593
7594         PR rtl-optimization/70703
7595         * ira-color.c (update_conflict_hard_regno_costs): Use
7596         int64_t instead of HOST_WIDE_INT.
7597
7598 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
7599
7600         PR rtl-optimization/70478
7601         * lra-constraints.c (process_alt_operands): Disfavor alternative
7602         insn memory operands.
7603
7604 2017-04-07  Jeff Law  <law@redhat.com>
7605
7606         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
7607         CALL and NOTE_INSN_CALL_ARG_LOCATION.
7608
7609 2017-04-07  Martin Liska  <mliska@suse.cz>
7610
7611         PR target/79889
7612         * config/aarch64/aarch64.c (aarch64_process_target_attr):
7613         Show error message instead of an ICE.
7614
7615 2017-04-07  Martin Liska  <mliska@suse.cz>
7616
7617         PR ipa/80212
7618         * ipa-split.c (split_function): Add function part to a same comdat
7619         group.
7620
7621 2017-04-07  Richard Biener  <rguenther@suse.de>
7622
7623         PR middle-end/80341
7624         * tree.c (get_unwidened): Also handle ! for_type case for
7625         INTEGER_CSTs.
7626         * convert.c (do_narrow): Split out from ...
7627         (convert_to_integer_1): ... here.  Do not pass final truncation
7628         type to get_unwidened for TRUNC_DIV_EXPR.
7629
7630 2017-04-07  Richard Biener  <rguenther@suse.de>
7631
7632         * tree-affine.c (wide_int_ext_for_comb): Take type rather
7633         than aff_tree.
7634         (aff_combination_const): Adjust.
7635         (aff_combination_scale): Likewise.
7636         (aff_combination_add_elt): Likewise.
7637         (aff_combination_add_cst): Likewise.
7638         (aff_combination_convert): Likewise.
7639         (add_elt_to_tree): Likewise.  Remove unused argument.
7640         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
7641
7642 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7643
7644         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
7645         definition.
7646         * config/arm/arm.c (arm_default_short_enums): Use
7647         ARM_DEFAULT_SHORT_ENUMS.
7648         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
7649
7650 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
7651
7652         PR debug/80234
7653         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
7654         members with redundant out-of-class redeclaration.
7655
7656 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
7657
7658         PR target/80286
7659         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
7660         * config/i386/i386.md (*zero_extendsidi2):
7661         Add (?*x,*x) and (?*v,*v) alternatives.
7662
7663 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
7664
7665         PR target/79733
7666         * config/i386/i386.c (ix86_expand_builtin)
7667         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
7668         mode from insn data. Convert operands to insn operand mode.
7669         Copy operands that don't satisfy insn predicate to a register.
7670
7671 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
7672
7673         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
7674         Update comments.
7675
7676 2017-04-06  Richard Biener  <rguenther@suse.de>
7677
7678         PR tree-optimization/80334
7679         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
7680         preserve alignment of accesses.
7681
7682 2017-04-06  Richard Biener  <rguenther@suse.de>
7683
7684         PR tree-optimization/80262
7685         * tree-sra.c (build_ref_for_offset): Preserve address-space
7686         information.
7687         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
7688         Drop useless address-space information on MEM_REF offsets.
7689
7690 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
7691
7692         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
7693
7694 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
7695
7696         PR rtl-optimization/70703
7697         * ira-color.c (update_conflict_hard_regno_costs): Use
7698         HOST_WIDE_INT instead of long.
7699
7700 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
7701
7702         PR target/80298
7703         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
7704         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
7705         is not defined.
7706         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
7707         for x86_64 target.  Handle -m3dnowa option.
7708
7709 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
7710
7711         PR rtl-optimization/70703
7712         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
7713         (update_conflict_hard_regno_costs): Use long instead of unsigned
7714         arithmetic for cost calculation.
7715
7716 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
7717             Bernd Edlinger  <bernd.edlinger@hotmail.de>
7718
7719         PR sanitizer/80308
7720         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
7721         for big endian.
7722
7723 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
7724
7725         PR target/78002
7726         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
7727         ptr_mode with Pmode throughout.
7728         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
7729         into probe_stack_range and use DImode.
7730
7731 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
7732
7733         PR target/79890
7734         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
7735         call_eh_return is true.
7736
7737 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7738
7739         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
7740         Initialize last_match_fntype_index.
7741
7742 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
7743
7744         PR target/80310
7745         * tree-nvr.c: Include internal-fn.h.
7746         (pass_return_slot::execute): Ignore internal calls without
7747         direct optab.
7748
7749 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
7750             Richard Biener  <rguenther@suse.de>
7751
7752         PR c++/80297
7753         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
7754         captures used multiple times, except for the last use.
7755         * generic-match-head.c: Include gimplify.h.
7756
7757 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
7758
7759         PR tree-optimization/79390
7760         * target.h (struct noce_if_info): Declare.
7761         * targhooks.h (default_noce_conversion_profitable_p): Declare.
7762         * target.def (noce_conversion_profitable_p): New target hook.
7763         * ifcvt.h (struct noce_if_info): New type, moved from ...
7764         * ifcvt.c (struct noce_if_info): ... here.
7765         (noce_conversion_profitable_p): Renamed to ...
7766         (default_noce_conversion_profitable_p): ... this.  No longer
7767         static nor inline.
7768         (noce_try_store_flag_constants, noce_try_addcc,
7769         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
7770         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
7771         instead of noce_conversion_profitable_p.
7772         * config/i386/i386.c: Include ifcvt.h.
7773         (ix86_option_override_internal): Don't override
7774         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
7775         (ix86_noce_conversion_profitable_p): New function.
7776         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
7777         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
7778         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
7779         * doc/tm.texi: Regenerated.
7780
7781 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7782
7783         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
7784         correction.
7785
7786 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7787
7788         PR target/80307
7789         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
7790         instructions for small multiply cores.
7791
7792 2017-04-04  Jeff Law  <law@redhat.com>
7793
7794         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
7795         added member.
7796         (mips_expand_vec_perm_const): Initialize elements in orig_perm
7797         that are not set by the loop over the elements.
7798
7799 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
7800
7801         PR target/80286
7802         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
7803         int mode, convert_modes it to mode as unsigned, otherwise use
7804         lowpart_subreg to mode rather than SImode.
7805         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
7806         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
7807         Use DImode instead of SImode for the shift count operand.
7808         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
7809         Likewise.
7810
7811 2017-04-04  Richard Biener  <rguenther@suse.de>
7812
7813         PR middle-end/80281
7814         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
7815         arithmetic done for the negate or the plus.  Simplify.
7816         (A - (-B) -> A + B): Likewise.
7817         * fold-const.c (split_tree): Make sure to not negate pointers.
7818
7819 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
7820
7821         PR rtl-optimization/60818
7822         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
7823         a compare of comparisons with the thing compared if this results
7824         in a different machine mode.
7825
7826 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
7827
7828         * alias.c (base_alias_check): Fix typo in comment.
7829         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
7830         * cgraphunit.c (symbol_table::compile): Likewise.
7831         * collect2.c (maybe_run_lto_and_relink): Likewise.
7832         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
7833         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
7834         * config/avr/avr.c (avr_map_op_t): Likewise.
7835         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
7836         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
7837         * config/epiphany/epiphany.md (movcc): Likewise.
7838         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
7839         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
7840         Likewise.
7841         * config/mips/mips.c (mips_save_restore_reg): Likewise.
7842         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
7843         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
7844         * config/sh/sh.c (sh_rtx_costs): Likewise.
7845         * fold-const.c (fold_truth_andor): Likewise.
7846         * genautomata.c (collapse_flag): Likewise.
7847         * gengtype.h (struct type::u::s): Likewise.
7848         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
7849         * input.c (FORMAT_AMOUNT): Likewise.
7850         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
7851         (known_aggs_to_agg_replacement_list): Likewise.
7852         * ipa-inline-analysis.c: Likewise.
7853         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
7854         * ipa-polymorphic-call.c
7855         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
7856         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
7857         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
7858         Likewise.
7859         * modulo-sched.c (apply_reg_moves): Likewise.
7860         * omp-expand.c (build_omp_regions_1): Likewise.
7861         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
7862         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
7863         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
7864         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
7865         * value-prof.c: Likewise.
7866         * var-tracking.c (val_reset): Likewise.
7867
7868 2017-04-03  Richard Biener  <rguenther@suse.de>
7869
7870         PR tree-optimization/80275
7871         * fold-const.c (split_address_to_core_and_offset): Handle
7872         POINTER_PLUS_EXPR.
7873
7874 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
7875
7876         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
7877         descriptors is at least equal to that of functions.
7878
7879 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
7880
7881         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
7882
7883 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
7884
7885         PR target/80250
7886         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
7887         (mov<IMOD4:mode>): New expander.
7888         (*mov<IMOD4:mode>_internal): New insn and split pattern.
7889
7890 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
7891
7892         PR rtl-optimization/79405
7893         * fwprop.c (propagations_left): New variable.
7894         (forward_propagate_into): Decrement it.
7895         (fwprop_init): Initialize it.
7896         (fw_prop): If the variable has reached zero, stop propagating.
7897         (fwprop_addr): Ditto.
7898
7899 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
7900
7901         PR debug/79255
7902         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
7903         a FUNCTION_DECL, pass it as decl instead of origin to
7904         process_scope_var.
7905
7906 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
7907
7908         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
7909         string.
7910
7911 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
7912
7913         PR target/80107
7914         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
7915         TARGET_VSX_SMALL_INTEGER.
7916
7917 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7918
7919         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
7920         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
7921
7922 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
7923
7924         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
7925         extraction from odd-numbered MSA register.
7926
7927 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
7928
7929         PR middle-end/80173
7930         * expmed.c (store_bit_field_1): Don't attempt to create
7931         a word subreg out of hard registers wider than word if they
7932         have HARD_REGNO_NREGS of 1 for their mode.
7933
7934         PR middle-end/80163
7935         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
7936         conversions to integer types wider than word and pointer.
7937
7938         PR debug/80025
7939         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
7940         (rtx_equal_for_cselib_p): Pass 0 to it.
7941         * cselib.c (cselib_hasher::equal): Likewise.
7942         (rtx_equal_for_cselib_1): Add depth argument.  If depth
7943         is 128, don't look up VALUE locs and punt.  Increment
7944         depth in recursive calls when walking VALUE locs.
7945
7946 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7947
7948         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
7949         (make_gcov_file_name): Use the canonical path name for generating
7950         the MD5 value.
7951         (read_line): Fix handling of files with ascii null bytes.
7952
7953 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
7954
7955         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
7956         to initialise a vector register instead
7957         of using a const_int.
7958
7959 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
7960
7961         PR translation/80189
7962         * gimplify.c (omp_default_clause): Use %qs instead of %s in
7963         diagnostic messages.
7964
7965 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
7966
7967         PR target/80246
7968         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
7969         (dfp_diex_<mode>): Update mode of operand 1.
7970         * doc/extend.texi (dxex, dxexq): Document change to return type.
7971         (diex, diexq): Document change to argument type.
7972
7973 2017-03-30  Martin Jambor  <mjambor@suse.cz>
7974
7975         PR ipa/77333
7976         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
7977         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
7978         it reflects the signature changes performed at the callee side.
7979         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
7980         to cgraph_build_function_type_skip_args.
7981         (build_function_decl_skip_args): Adjust call to the above function.
7982
7983 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
7984
7985         PR target/80206
7986         * config/i386/sse.md
7987         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
7988         register as dest whenever it is a MEM not rtx_equal_p to the
7989         corresponding dup operand, and when forcing into reg move the
7990         reg into the memory afterwards.
7991         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
7992         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
7993         for the force_reg mode.
7994         (avx512vl_vextractf128<mode>): Use register as dest either
7995         always when a MEM, or when it is a MEM not rtx_equal_p to the
7996         corresponding dup operand, or even not when it is a CONST_VECTOR
7997         depending on the mode and lo vs. hi.
7998         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
7999         parens.
8000         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
8001         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
8002         Likewise.  Require that operands[2] is even.
8003         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
8004         Remove extraneous parens.  Require that operands[2] is a multiple
8005         of 4.
8006         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
8007         operands[0] is a MEM if <mask_applied>, the predicates/constraints
8008         disallow memory then.
8009
8010 2017-03-30  Richard Biener  <rguenther@suse.de>
8011
8012         PR tree-optimization/77498
8013         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
8014         to non-constants over backedges.
8015
8016 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
8017
8018         PR rtl-optimization/80233
8019         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
8020         as last_combined_insn.  Do not test for BARRIER_P separately.
8021
8022 2017-03-29  Andreas Schwab  <schwab@suse.de>
8023
8024         PR ada/80146
8025         * calls.c (prepare_call_address): Convert funexp to Pmode before
8026         copying to temp reg.
8027
8028 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8029
8030         PR tree-optimization/80158
8031         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
8032         Handle possible future case of more than one alternate
8033         interpretation.
8034         (replace_rhs_if_not_dup): Likewise.
8035         (replace_one_candidate): Likewise.
8036
8037 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
8038
8039         PR rtl-optimization/80193
8040         * ira.c (ira): Do not check allocation for LRA.
8041
8042 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
8043
8044         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
8045         (nvptx_output_simt_exit): Declare.
8046         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
8047         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
8048         (init_softstack_frame): Move initialization of crtl->is_leaf to...
8049         (nvptx_declare_function_name): ...here.  Emit declaration of local
8050         memory space buffer for omp_simt_enter insn.
8051         (nvptx_output_unisimt_switch): New.
8052         (nvptx_output_softstack_switch): New.
8053         (nvptx_output_simt_enter): New.
8054         (nvptx_output_simt_exit): New.
8055         * config/nvptx/nvptx.h (struct machine_function): New fields
8056         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
8057         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
8058         (UNSPECV_SIMT_EXIT): Ditto.
8059         (omp_simt_enter_insn): New insn.
8060         (omp_simt_enter): New expansion.
8061         (omp_simt_exit): New insn.
8062         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
8063
8064         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
8065         (expand_GOMP_SIMT_ENTER_ALLOC): New.
8066         (expand_GOMP_SIMT_EXIT): New.
8067         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
8068         (GOMP_SIMT_ENTER_ALLOC): Ditto.
8069         (GOMP_SIMT_EXIT): Ditto.
8070         * target-insns.def (omp_simt_enter): New insn.
8071         (omp_simt_exit): Ditto.
8072         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
8073         simt_dlist.
8074         (lower_rec_simd_input_clauses): Implement SIMT privatization.
8075         (lower_rec_input_clauses): Likewise.
8076         (lower_lastprivate_clauses): Handle SIMT privatization.
8077
8078         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
8079         (ompdevlow_adjust_simt_enter): New.
8080         (find_simtpriv_var_op): New.
8081         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
8082         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
8083
8084         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
8085         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
8086         (copy_decl_for_dup_finish): Ditto.
8087
8088         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
8089
8090 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
8091
8092         PR target/53383
8093         * config/i386/i386.c (ix86_option_override_internal): Always
8094         allow -mpreferred-stack-boundary=3 for 64-bit targets.
8095
8096 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
8097
8098         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
8099
8100 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
8101
8102         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
8103         mark new edge's irreducible flag accordign to it.
8104         (vect_do_peeling): Check loop preheader edge's irreducible flag
8105         and pass it to function slpeel_add_loop_guard.
8106
8107 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
8108
8109         PR tree-optimization/80218
8110         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
8111         Update block frequencies and counts.
8112
8113 2017-03-28  Richard Biener  <rguenther@suse.de>
8114
8115         PR tree-optimization/78644
8116         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
8117         of a simplification result we may not use it at all.
8118
8119 2017-03-28  Richard Biener  <rguenther@suse.de>
8120
8121         PR ipa/80205
8122         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
8123         without arguments, generate default definition of a SSA name.
8124
8125 2017-03-28  Richard Biener  <rguenther@suse.de>
8126
8127         PR middle-end/80222
8128         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
8129         TYPE_REF_CAN_ALIAS_ALL references.
8130         * fold-const.c (fold_indirect_ref_1): Likewise.
8131
8132 2017-03-28  Martin Liska  <mliska@suse.cz>
8133
8134         PR ipa/80104
8135         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
8136         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
8137
8138 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
8139             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
8140
8141         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
8142         (EXTRA_SPECS): Define.
8143         (SUBTARGET_EXTRA_SPECS): Likewise.
8144         (SUBTARGET_CPP_SPEC): Likewise.
8145         * config/arc/elf.h (EXTRA_SPECS): Renamed to
8146         SUBTARGET_EXTRA_SPECS.
8147         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
8148
8149 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
8150
8151         * config/arc/simdext.md (vst64_insn): Update pattern.
8152         (vld32wh_insn): Likewise.
8153         (vld32wl_insn): Likewise.
8154         (vld64_insn): Likewise.
8155         (vld32_insn): Likewise.
8156
8157 2017-03-28  Marek Polacek  <polacek@redhat.com>
8158
8159         PR sanitizer/80067
8160         * fold-const.c (fold_comparison): Use protected_set_expr_location
8161         instead of SET_EXPR_LOCATION.
8162
8163 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
8164
8165         * tree.c (add_expr): Avoid name lookup warning.
8166
8167 2017-03-27  Jeff Law  <law@redhat.com>
8168
8169         PR tree-optimization/80216
8170         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
8171         function name.  Limit recursion depth.
8172         (record_temporary_equivalences): Corresponding changes.
8173
8174 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
8175
8176         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
8177         covered first.
8178
8179 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
8180
8181         PR target/80102
8182         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
8183         notes.
8184         * cfgcleanup.c (reg_note_cfa_p): New array.
8185         (insns_have_identical_cfa_notes): New function.
8186         (old_insns_match_p): Don't cross-jump in between /f
8187         and non-/f instructions.  If both i1 and i2 are frame related,
8188         verify all CFA notes, their order and content.
8189
8190 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
8191
8192         PR target/78543
8193         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
8194         HImode and SImode with zero extend to DImode to one insn.
8195         (bswap<mode>2_extenddi): Likewise.
8196         (bswapsi2_extenddi): Likewise.
8197         (bswaphi2_extendsi): Likewise.
8198         (bswaphi2): Combine bswap HImode and SImode into one insn.
8199         Separate memory insns from swapping register.
8200         (bswapsi2): Likewise.
8201         (bswap<mode>2): Likewise.
8202         (bswaphi2_internal): Delete, no longer used.
8203         (bswapsi2_internal): Likewise.
8204         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
8205         store, and gpr<-gpr swap insns.
8206         (bswap<mode>2_store): Likewise.
8207         (bswaphi2_reg): Register only splitter, combine with the splitter.
8208         (bswaphi2 splitter): Likewise.
8209         (bswapsi2_reg): Likewise.
8210         (bswapsi2 splitter): Likewise.
8211         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
8212         the insns into load, store, and register/register insns.
8213         (bswapdi2_ldbrx): Likewise.
8214         (bswapdi2_load): Likewise.
8215         (bswapdi2_store): Likewise.
8216         (bswapdi2_reg): Likewise.
8217
8218 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
8219
8220         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
8221         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
8222
8223 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8224
8225         PR target/80103
8226         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
8227         add comments.
8228         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
8229         special handling for target option conflicts between dform
8230         options (-mpower9-dform, -mpower9-dform-vector,
8231         -mpower9-dform-scalar) and -mno-direct-move.
8232
8233 2017-03-27  Richard Biener  <rguenther@suse.de>
8234
8235         PR tree-optimization/80181
8236         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
8237
8238 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
8239
8240         * config/arc/predicates.md (move_double_src_operand): Replace the
8241         call to move_double_src_operand with a call to address_operand.
8242
8243 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
8244
8245         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
8246         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
8247         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
8248
8249 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
8250
8251         * config/arc/predicates.md (long_immediate_loadstore_operand):
8252         Consider scaled addresses cases.
8253
8254 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
8255
8256         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
8257         restored when in interrupt.
8258         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
8259         doesn't have delay slot.
8260
8261 2017-03-27  Richard Biener  <rguenther@suse.de>
8262
8263         PR ipa/79776
8264         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
8265         inlined thunk clones.
8266
8267 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
8268
8269         PR sanitizer/80168
8270         * asan.c (instrument_derefs): Copy over last operand from
8271         original COMPONENT_REF to the new COMPONENT_REF with
8272         DECL_BIT_FIELD_REPRESENTATIVE.
8273         * ubsan.c (instrument_object_size): Likewise.
8274
8275 2017-03-27  Richard Biener  <rguenther@suse.de>
8276
8277         PR tree-optimization/80170
8278         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
8279         sure DR/SCEV didnt fold in constants we do not see when looking
8280         at the reference base alignment.
8281
8282 2017-03-27  Richard Biener  <rguenther@suse.de>
8283
8284         PR middle-end/80171
8285         * gimple-fold.c (fold_ctor_reference): Properly guard against
8286         NULL return value from canonicalize_constructor_val.
8287
8288 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
8289
8290         PR target/80180
8291         * config/i386/i386.c (ix86_expand_builtin)
8292         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
8293         flags reg setting and flags reg using instructions.
8294         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
8295         clobbering instructions to zero extend op2.
8296
8297 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
8298
8299         * doc/install.texi (Configuration) <--with-aix-soname>:
8300         Update link to AIX ld.
8301
8302 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
8303
8304         PR rtl-optimization/80160
8305         PR rtl-optimization/80159
8306         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
8307         reg_alternate_class into account.
8308
8309 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
8310
8311         PR target/80148
8312         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
8313         to consider in curr_insn_transform.
8314
8315 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
8316
8317         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
8318         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
8319         and emit_mode_inner.
8320
8321 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8322
8323         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
8324         argument to the overloaded builtin variants.  Use the new flag to
8325         deprecate certain builtin variants.
8326         * config/s390/s390-builtin-types.def: Add new builtin types.
8327         * config/s390/s390-builtins.h: Support new flags field for
8328         overloaded builtins.
8329         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
8330         (s390_macro_to_expand): Enable vector float data type.
8331         (s390_cpu_cpp_builtins_internal): Indicate support of the new
8332         builtins by incrementing the __VEC__ version number.
8333         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
8334         vec_xst.
8335         (s390_resolve_overloaded_builtin): Emit error messages depending
8336         on the builtin flags.
8337         * config/s390/s390.c (s390_expand_builtin): Support additional
8338         flags argument.  Change error message to match the messages
8339         emitted in s390-c.c.
8340         * config/s390/s390.md: New UNSPEC_* constants.
8341         (op_type): Add new instruction types.
8342         * config/s390/vecintrin.h: Add new builtins and test data class
8343         constants.
8344         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
8345         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
8346         (VEC_INEXACT, VEC_NOINEXACT): New constants.
8347         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
8348         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
8349         ("vec_mergel<mode>"): V_HW -> VEC_HW.
8350
8351         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
8352         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
8353         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
8354         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
8355
8356         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
8357         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
8358         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
8359         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
8360
8361         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
8362         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
8363         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
8364         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
8365         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
8366         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
8367         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
8368
8369         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
8370         ("vec_scatter_element<V_HW_4:mode>_DI")
8371         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
8372         ("vec_fpint<mode>", "vflls")
8373         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
8374         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
8375         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
8376         ("*vec_cmphe<mode>_cc"): ... these.
8377
8378         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
8379         mode constant instead of magic value.
8380
8381 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8382
8383         * config/s390/s390.c (s390_expand_vec_compare): Support other
8384         vector floating point modes than just V2DF.
8385         (s390_expand_vcond): Likewise.
8386         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
8387         (s390_cannot_change_mode_class): Prevent mode changes between TF
8388         and V1TF in vector registers.
8389         * config/s390/s390.md (DF, SF): New mode attributes.
8390         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
8391         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
8392         SFmode support for VRs.
8393         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
8394         vector fp modes.
8395         (VFT, VF_HW): New mode iterators.
8396         (vw, sdx): New mode attributes.
8397         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
8398         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
8399         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
8400         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
8401         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
8402         also the new vector floating point modes.  Renaming to ...
8403
8404         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
8405         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
8406         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
8407         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
8408         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
8409         ("vec_unordered<mode>"): ... these.
8410
8411         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
8412         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
8413         ("*vec_extendv2df"): New insn definitions.
8414
8415 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8416
8417         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
8418         ("mulditi3_2", "*muldi3_sign"): New patterns.
8419         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
8420         rename the pattern definition.
8421
8422 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8423
8424         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
8425         expander.
8426         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
8427
8428 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8429
8430         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
8431         instruction if possible.
8432         * config/s390/vector.md (vec_halfnumelts): New mode
8433         attribute.
8434         ("*vec_vllezlf<mode>"): New pattern.
8435
8436 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8437
8438         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
8439         ("popcountv4si2", "popcountv2di2"): Rename to ...
8440         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
8441         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
8442         condition.
8443         ("popcount<mode>2_vxe"): New pattern.
8444
8445 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8446
8447         * common/config/s390/s390-common.c (processor_flags_table): Add
8448         arch12.
8449         * config.gcc: Add arch12.
8450         * config/s390/driver-native.c (s390_host_detect_local_cpu):
8451         Default to arch12 for unknown CPU model numbers.
8452         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
8453         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
8454         PROCESSOR_max sanity check.
8455         * config/s390/s390-opts.h (enum processor_type): Add
8456         PROCESSOR_ARCH12.
8457         * config/s390/s390.c (processor_table): Add arch12.
8458         (s390_expand_builtin): Add check for B_VXE flag.
8459         (s390_issue_rate): Add PROCESSOR_ARCH12.
8460         (s390_get_sched_attrmask): Likewise.
8461         (s390_get_unit_mask): Likewise.
8462         (s390_sched_score): Enable z13 scheduling for arch12.
8463         (s390_sched_reorder): Likewise.
8464         (s390_sched_variable_issue): Likewise.
8465         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
8466         PF_VXE.
8467         (s390_tune_attr): Use z13 scheduling also for arch12.
8468         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
8469         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
8470         (TARGET_VXE_P): New macros.
8471         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
8472         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
8473         * config/s390/s390.opt: Add arch12 as processor_type.
8474
8475 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8476
8477         * config/s390/s390.md
8478         ("fixuns_truncdddi2", "fixuns_trunctddi2")
8479         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
8480         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
8481
8482         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
8483         Rename expanders to ...
8484
8485         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
8486         ("fixuns_truncdddi2_emu"): ... these.
8487
8488         ("fixuns_trunc<mode>si2_emu"): New expander.
8489
8490         ("*fixuns_truncdfdi2_z13"): Rename to ...
8491         ("*fixuns_truncdfdi2_vx"): ... this.
8492
8493 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8494
8495         * config/s390/2964.md: Remove the single element vector compare
8496         instructions which are no longer used.
8497         * config/s390/s390.c (s390_select_ccmode): Remove handling of
8498         vector CCmodes.
8499         (s390_canonicalize_comparison): Remove handling of DFmode
8500         compares.
8501         (s390_expand_vec_compare_scalar): Remove function.
8502         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
8503         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
8504         pattern.
8505         ("*cmp<mode>_ccs"): Add wfcdb instruction.
8506
8507 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8508
8509         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
8510         FP zero.
8511         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
8512         will anyway by matched by mov<mode>_64dfp.
8513
8514 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8515
8516         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
8517         vlef/vstef.  Add missing operand to vleif.
8518
8519 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8520
8521         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
8522         pair for all vector types with 64 bit elements.
8523         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
8524         * config/s390/vector.md (V_HW_64): ... here.
8525         (V_128_NOSINGLE): New mode iterator.
8526         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
8527         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
8528         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
8529         ("*vec_load_pairv2di"): Change to ...
8530         ("*vec_load_pair<mode>"): ... this one.
8531
8532 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8533
8534         * config/s390/constraints.md: Add comments.
8535         (jKK): Reject element sizes > 8 bytes.
8536         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
8537         s_operands.
8538         * config/s390/s390.md: Add the s_operand checks formerly in
8539         s390_split_ok_p to various splitters where they are still
8540         required.
8541         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
8542         for 128 bit vectors.  Plus two splitters.
8543
8544 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8545
8546         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
8547         the file.
8548
8549 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8550
8551         PR target/79893
8552         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
8553         error if the boundary argument is not constant.
8554
8555 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
8556
8557         PR rtl-optimization/80112
8558         * loop-doloop.c (doloop_condition_get): Don't check condition
8559         if cmp isn't SET with IF_THEN_ELSE src.
8560
8561 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8562
8563         PR tree-optimization/80158
8564         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
8565         replacing a candidate statement, also replace it for the
8566         candidate's alternate interpretation.
8567         (replace_rhs_if_not_dup): Likewise.
8568         (replace_one_candidate): Likewise.
8569
8570 2017-03-24  Richard Biener  <rguenther@suse.de>
8571
8572         PR tree-optimization/80167
8573         * graphite-isl-ast-to-gimple.c
8574         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
8575         properly.
8576         (translate_isl_ast_to_gimple::get_rename): Likewise.
8577
8578 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8579
8580         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
8581         handling of certain combinations of target options, including the
8582         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
8583         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
8584
8585 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8586
8587         PR target/71436
8588         * config/arm/arm.md (*load_multiple): Add reload_completed to
8589         matching condition.
8590
8591 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8592             Richard Biener  <rguenth@suse.de>
8593
8594         PR tree-optimization/79908
8595         PR tree-optimization/80136
8596         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
8597         been cast away, gimplify_and_add suffices.
8598
8599 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
8600
8601         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
8602
8603 2017-03-23  Richard Biener  <rguenther@suse.de>
8604
8605         PR tree-optimization/80032
8606         * gimplify.c (gimple_push_cleanup): Forced unconditional
8607         cleanups still have to go to the conditional_cleanups
8608         sequence.
8609
8610 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
8611
8612         PR tree-optimization/80072
8613         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
8614         to unsigned int.
8615         (next_operand_entry_id): Change type to unsigned int.
8616         (sort_by_operand_rank): Make sure to return the right return value
8617         even if unsigned fields are bigger than INT_MAX.
8618         (struct oecount): Change cnt and id type to unsigned int.
8619         (oecount_hasher::equal): Formatting fix.
8620         (oecount_cmp): Make sure to return the right return value
8621         even if unsigned fields are bigger than INT_MAX.
8622         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
8623
8624         PR c++/80129
8625         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
8626         TREE_READONLY on result if writing it more than once.
8627
8628         PR sanitizer/80110
8629         * doc/invoke.texi (-fsanitize=thread): Document that with
8630         -fnon-call-exceptions atomics are not able to throw
8631         exceptions.
8632
8633         PR sanitizer/80110
8634         * tsan.c: Include tree-eh.h.
8635         (instrument_builtin_call): Call maybe_clean_eh_stmt or
8636         maybe_clean_or_replace_eh_stmt where needed.
8637         (instrument_memory_accesses): Add cfg_changed argument.
8638         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
8639         if it returned true.
8640         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
8641
8642         PR rtl-optimization/63191
8643         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
8644         wrapper function, moved the whole old content into ...
8645         (ix86_delegitimize_address_1): ... this.  New inline function.
8646         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
8647         true as last argument instead of ix86_delegitimize_address.
8648
8649 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
8650
8651         * config/aarch64/aarch64.c (generic_branch_cost): Copy
8652         cortexa57_branch_cost.
8653
8654 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
8655
8656         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
8657
8658 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
8659
8660         PR target/80123
8661         * doc/md.texi (Constraints): Document wA constraint.
8662         * config/rs6000/constraints.md (wA): New.
8663         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
8664         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
8665         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
8666         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
8667
8668 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
8669
8670         PR c++/80029
8671         * gimplify.c (is_oacc_declared): New function.
8672         (oacc_default_clause): Use it to set default flags for acc declared
8673         variables inside parallel regions.
8674         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
8675         declared variables.
8676         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
8677         declare attribute to any decl as necessary.
8678
8679 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8680
8681         PR target/80082
8682         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
8683         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
8684         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
8685         (arm_arch_lpae): This.
8686         * config/arm/arm.c (arm_arch7ve): Rename into ...
8687         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
8688         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
8689         arm_arch_lpae.
8690
8691 2017-03-22  Martin Liska  <mliska@suse.cz>
8692
8693         PR target/79906
8694         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
8695         error message instead of an ICE.
8696
8697 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8698
8699         * doc/extend.texi (6.11 Additional Floating Types): Revise.
8700
8701 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8702
8703         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
8704         comments.
8705         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
8706         comments.
8707
8708 2017-03-21  Martin Sebor  <msebor@redhat.com>
8709
8710         * doc/extend.texi: Use "cannot" instead of "can't."
8711         * doc/hostconfig.texi: Same.
8712         * doc/install.texi: Same.
8713         * doc/invoke.texi: Same.
8714         * doc/loop.texi: Same.
8715         * doc/md.texi: Same.
8716         * doc/objc.texi: Same.
8717         * doc/rtl.texi: Same.
8718         * doc/tm.texi: Same.
8719         * doc/tm.texi.in: Same.
8720         * doc/trouble.texi: Same.
8721
8722 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
8723
8724         PR debug/63238
8725         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
8726         (collect_checksum_attributes): Set it.
8727         (die_checksum_ordered): Use it.
8728
8729 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8730
8731         PR tree-optimization/79908
8732         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
8733         change: For a VA_ARG whose LHS has been cast away, use
8734         force_gimple_operand to construct the side effects.
8735
8736 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
8737
8738         PR translation/80001
8739         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
8740         more amenable to translation.
8741         (oacc_loop_auto_partitions): Likewise.
8742
8743 2017-03-21  Marek Polacek  <polacek@redhat.com>
8744             Martin Sebor  <msebor@redhat.com>
8745
8746         PR tree-optimization/80109
8747         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
8748         on INTEGRAL_TYPE_P.
8749
8750 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
8751             Segher Boessenkool  <segher@kernel.crashing.org>
8752
8753         PR target/80125
8754         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
8755         check reg_used_between_p between insn and one of succ or succ2
8756         depending on if succ is artificial insn not inserted into insn
8757         stream.
8758
8759 2017-03-21  Martin Liska  <mliska@suse.cz>
8760
8761         PR gcov-profile/80081
8762         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
8763         * doc/gcc.texi: Include gcov-dump stuff.
8764         * doc/gcov-dump.texi: New file.
8765
8766 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
8767
8768         PR rtl-optimization/79150
8769         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
8770         conditional jump, if the jump is the last insn of the loop.
8771
8772 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8773             Richard Biener  <rguenth@suse.de>
8774
8775         PR tree-optimization/79908
8776         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
8777         been cast away, use force_gimple_operand to construct the side
8778         effects.
8779
8780 2017-03-21  Martin Liska  <mliska@suse.cz>
8781
8782         PR libfortran/79956
8783         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
8784         to NULL.
8785
8786 2017-03-21  Brad Spengler <spender@grsecurity.net>
8787
8788         PR plugins/80094
8789         * plugin.c (htab_hash_plugin): New function.
8790         (add_new_plugin): Use it and adjust.
8791         (parse_plugin_arg_opt): Adjust.
8792         (init_one_plugin): Likewise.
8793
8794 2017-03-21  Richard Biener  <rguenther@suse.de>
8795
8796         PR tree-optimization/80032
8797         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
8798         if set force the cleanup to happen unconditionally.
8799         (gimplify_target_expr): Push inserted clobbers with force_uncond
8800         to avoid them being removed by control-dependent DCE.
8801
8802 2017-03-21  Richard Biener  <rguenther@suse.de>
8803
8804         PR tree-optimization/80122
8805         * tree-inline.c (copy_bb): Do not expans va-arg packs or
8806         va_arg_pack_len when the inlined call stmt requires pack
8807         expansion itself.
8808         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
8809
8810 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
8811
8812         PR sanitizer/78158
8813         * tsan.c (instrument_builtin_call): If the memory model argument
8814         is not a constant, assume it is valid.
8815
8816         PR c/67338
8817         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
8818         avoid UB.
8819
8820 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
8821
8822         PR rtl-optimization/79910
8823         * combine.c (can_combine_p): Do not allow combining an I0 or I1
8824         if its dest is used by an insn before I2 (other than the combined
8825         insns themselves, which are properly handled already).
8826
8827 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
8828
8829         Revert:
8830         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
8831
8832         * combine.c (record_used_regs): New static function.
8833         (try_combine): Handle situations where there is an additional
8834         instruction between I2 and I3 which needs to have a LOG_LINK
8835         updated.
8836
8837         Revert:
8838         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
8839
8840         * combine.c (try_combine): Delete redundant i1 test.  Call
8841         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
8842
8843 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
8844
8845         PR target/80083
8846         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
8847         alternatives 13/14.
8848
8849 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8850
8851         PR tree-optimization/80054
8852         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
8853         the optimization if a PHI or any of its arguments is not dominated
8854         by the candidate's basis.  Use gphi* rather than gimple* as
8855         appropriate.
8856         (replace_profitable_candidates): Clean up a gimple* variable that
8857         should be a gphi* variable.
8858
8859 2017-03-20  Martin Sebor  <msebor@redhat.com>
8860
8861         PR c++/52477
8862         * doc/extend.texi (attribute constructor): Document present limitation.
8863
8864 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8865
8866         PR target/79963
8867         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
8868         __POWER9_VECTOR__ #ifdef control, change template definition to
8869         use Power9-specific built-in function.
8870         (vec_any_eq): Likewise.
8871         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
8872         to control outcomes from this test.
8873         (vector_ae_<mode>p): For VEC_F modes, likewise.
8874
8875 2017-03-20  Ian Lance Taylor  <iant@google.com>
8876
8877         * config/i386/i386.c (ix86_function_regparm): Save an extra
8878         register for -fsplit-stack with DECL_STATIC_CHAIN.
8879
8880 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
8881
8882         PR target/79912
8883         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
8884         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
8885
8886 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
8887
8888         * config/riscv/riscv.c (riscv_print_operand): Use "fence
8889         iorw,ow".
8890         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
8891         iorw,iorw".
8892
8893 2017-03-20  Marek Polacek  <polacek@redhat.com>
8894
8895         PR sanitizer/80063
8896         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
8897
8898 2017-03-20  Richard Biener  <rguenther@suse.de>
8899
8900         PR tree-optimization/80113
8901         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
8902         allocate extra SSA name for PHI def.
8903         (add_close_phis_to_outer_loops): Likewise.
8904         (add_close_phis_to_merge_points): Likewise.
8905         (copy_loop_close_phi_args): Likewise.
8906         (copy_cond_phi_nodes): Likewise.
8907
8908 2017-03-20  Martin Liska  <mliska@suse.cz>
8909
8910         PR middle-end/79753
8911         * tree-chkp.c (chkp_build_returned_bound): Do not build
8912         returned bounds for a LHS that's not a BOUNDED_P type.
8913
8914 2017-03-20  Martin Liska  <mliska@suse.cz>
8915
8916         PR target/79769
8917         PR target/79770
8918         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
8919         COMPLEX_CST and VECTOR_CST.
8920
8921 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8922
8923         PR target/78857
8924         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
8925         target operand.  A new splitter adds the clobber statement in case
8926         the target operand is dead anyway.
8927
8928 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
8929
8930         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
8931         to age-old versions of binutils and glibc.
8932
8933 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
8934
8935         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
8936
8937 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
8938
8939         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
8940
8941 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
8942
8943         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
8944         requirement for binutils 2.13.
8945
8946 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
8947
8948         * combine.c (try_combine): Delete redundant i1 test.  Call
8949         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
8950
8951 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
8952
8953         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
8954         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
8955         contents.
8956         <riscv64-*-elf>: Re-arrange section
8957         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
8958         <riscv32-*-linux>: Likewise.
8959         <riscv64-*-elf>: Likewise
8960         <riscv64-*-linux>: Likewise.
8961
8962 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
8963
8964         PR target/80052
8965         * aarch64.opt(verbose-cost-dump): Fix typo.
8966
8967 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
8968
8969         PR target/79951
8970         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
8971         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
8972
8973 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
8974
8975         * reload.c (find_reloads): When reloading a nonoffsettable address,
8976         use RELOAD_OTHER for it and its address reloads.
8977
8978         PR rtl-optimization/79910
8979         * combine.c (record_used_regs): New static function.
8980         (try_combine): Handle situations where there is an additional
8981         instruction between I2 and I3 which needs to have a LOG_LINK
8982         updated.
8983
8984 2017-03-17  Jeff Law  <law@redhat.com>
8985
8986         PR tree-optimization/71437
8987         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
8988         conditional in the hash table first.
8989         (vrp_dom_walker::before_dom_children): Extract condition from
8990         ASSERT_EXPR.  Record condition, its inverion and any implied
8991         conditions as well.
8992
8993 2017-03-17  Marek Polacek  <polacek@redhat.com>
8994             Markus Trippelsdorf  <markus@trippelsdorf.de>
8995
8996         PR tree-optimization/80079
8997         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
8998         m_stores_head.
8999
9000 2017-03-17  Richard Biener  <rguenther@suse.de>
9001
9002         PR middle-end/80075
9003         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
9004         Properly verify the LHS before the RHS possibly claims to be
9005         handled.
9006         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
9007         do not throw.
9008
9009 2017-03-17  Martin Jambor  <mjambor@suse.cz>
9010
9011         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
9012         (List of -O2 options): Likewise.
9013         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
9014         (-fipa-vrp) New.
9015
9016 2017-03-17  Tom de Vries  <tom@codesourcery.com>
9017
9018         * gcov-dump.c (print_usage): Print bug_report_url.
9019
9020 2017-03-17  Richard Biener  <rguenther@suse.de>
9021
9022         PR middle-end/80050
9023         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
9024         (parser::peek): Likewise.
9025
9026 2017-03-17  Richard Biener  <rguenther@suse.de>
9027
9028         PR tree-optimization/80048
9029         * sese.c (free_sese_info): Properly release rename_map and
9030         copied_bb_map elements.
9031
9032 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
9033
9034         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
9035         Add linked-list forward and backlinks.  Insert on
9036         construction, remove on destruction.
9037         (class pass_store_merging): Add m_stores_head field.
9038         (pass_store_merging::terminate_and_process_all_chains):
9039         Iterate over m_stores_head list.
9040         (pass_store_merging::terminate_all_aliasing_chains):
9041         Likewise.
9042         (pass_store_merging::execute): Check for debug stmts first.
9043         Push new chains onto the m_stores_head stack.
9044
9045 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
9046
9047         PR target/71294
9048         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
9049         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
9050         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
9051
9052 2017-03-16  Jeff Law  <law@redhat.com>
9053
9054         PR tree-optimization/71437
9055         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
9056         member function.  Implementation moved into after_dom_children
9057         member function and into the threader's thread_outgoing_edges
9058         function.
9059         (dom_opt_dom_walker::after_dom_children): Simplify by moving
9060         some code into new thread_outgoing_edges.
9061         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
9062         definition.  Simplify marker handling (do it here).   Assume we always
9063         have the available expression and the const/copies tables.
9064         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
9065         and tree-vrp.c
9066         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
9067         * tree-vrp.c (equiv_stack): No longer file scoped.
9068         (vrp_dom_walker): New class.
9069         (vrp_dom_walker::before_dom_children): New member function.
9070         (vrp_dom_walker::after_dom_children): Likewise.
9071         (identify_jump_threads):  Setup domwalker.  Use it rather than
9072         walking edges in a random order by hand.  Simplify setup/finalization.
9073         (finalize_jump_threads): Remove.
9074         (vrp_finalize): Do not call identify_jump_threads here.
9075         (execute_vrp): Do it here instead and call thread_through_all_blocks
9076         here too.
9077
9078         PR tree-optimization/71437
9079         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
9080         callers changed.
9081         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
9082         callers changed.
9083         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
9084         (dom_opt_dom_walker::thread_across_edge): Remove
9085         handle_dominating_asserts argument.  All callers changed.
9086         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
9087         changes.  Remove calls to lhs_of_dominating_assert.  Other
9088         uses of handle_dominating_asserts turn into unconditional code
9089         (simplify_control_stmt_condition_1): Likewise.
9090         (simplify_control_stmt_condition): Likewise.
9091         (thread_through_normal_block, thread_across_edge): Likewise.
9092         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
9093         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
9094         object if it is not an SSA_NAME.
9095         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
9096         before calling into the VRP specific simplifiers.
9097         (identify_jump_threads): Remove handle_dominating_asserts
9098         argument.
9099
9100 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
9101
9102         PR fortran/79886
9103         * tree-diagnostic.c (default_tree_printer): No longer static.
9104         * tree-diagnostic.h (default_tree_printer): New prototype.
9105
9106 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
9107
9108         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
9109         Change ins into fmov.
9110
9111 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9112
9113         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
9114         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
9115         Use h_con constraint for operand 1.
9116         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
9117         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
9118
9119 2017-03-15  Jeff Law  <law@redhat.com>
9120
9121         PR tree-optimization/71437
9122         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
9123         (record_temporary_equivalences): Use it.
9124
9125         PR tree-optimization/71437
9126         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
9127         tree-ssa-scopedtables.
9128         (lookup_avail_expr, build_and_record_new_cond): Likewise.
9129         (record_conditions, record_cond, vuse_eq): Likewise.
9130         (record_edge_info): Adjust to API tweak of record_conditions.
9131         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
9132         (record_temporary_equivalences, optimize_stmt): Likewise.
9133         (eliminate_redundant_computations): Likewise.
9134         (record_equivalences_from_stmt): Likewise.
9135         * tree-ssa-scopedtables.c: Include options.h and params.h.
9136         (vuse_eq): New function, moved from tree-ssa-dom.c
9137         (build_and_record_new_cond): Likewise.
9138         (record_conditions): Likewise.  Accept vector of conditions rather
9139         than edge_equivalence structure for first argument.
9140         for the first argument.
9141         (avail_exprs_stack::lookup_avail_expr): New member function, moved
9142         from tree-ssa-dom.c.
9143         (avail_exprs_stack::record_cond): Likewise.
9144         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
9145         from tree-ssa-dom.c.
9146         (avail_exprs_stack): Add new member functions lookup_avail_expr
9147         and record_cond.
9148         (record_conditions): Declare.
9149
9150 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
9151
9152         PR target/80017
9153         * lra-constraints.c (process_alt_operands): Increase reject for
9154         reloading an input/output operand.
9155
9156 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
9157
9158         PR target/79038
9159         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
9160         insns to convert from signed/unsigned char/short to IEEE 128-bit
9161         floating point.
9162         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
9163
9164 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
9165
9166         PR target/80019
9167         * config/i386/i386.c (ix86_vector_duplicate_value): Create
9168         subreg of inner mode for values already in registers.
9169
9170 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
9171
9172         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
9173         iteration reg is used after the loop.
9174
9175 2017-03-14  Martin Sebor  <msebor@redhat.com>
9176
9177         PR tree-optimization/79800
9178         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
9179         precision in negative-positive range.
9180         (format_floating): Call non-const overload with adjusted precision.
9181
9182 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
9183
9184         PR target/79947
9185         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
9186         -mpowerpc-gfxopt.
9187
9188 2017-03-14  Martin Sebor  <msebor@redhat.com>
9189
9190         PR middle-end/80020
9191         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
9192         * builtins.def (aligned_alloc): Use it.
9193
9194         PR c/79936
9195         * Makefile.in (GTFILES): Add calls.c.
9196         * calls.c: Include "gt-calls.h".
9197
9198 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
9199
9200         PR rtl-optimization/79728
9201         * regs.h (struct target_regs): New field
9202         x_contains_allocatable_regs_of_mode.
9203         (contains_allocatable_regs_of_mode): New macro.
9204         * reginfo.c (init_reg_sets_1): Initialize it, and change
9205         contains_reg_of_mode so it includes global regs as well.
9206         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
9207         rather than contains_regs_of_mode.
9208
9209 2017-03-14  Martin Liska  <mliska@suse.cz>
9210
9211         * doc/invoke.texi: Document options that can't be combined with
9212         -fcheck-pointer-bounds.
9213
9214 2017-03-14  Martin Liska  <mliska@suse.cz>
9215
9216         PR middle-end/79831
9217         * doc/invoke.texi (-Wchkp): Document the option.
9218
9219 2017-03-14  Martin Liska  <mliska@suse.cz>
9220
9221         * Makefile.in: Install gcov-dump.
9222
9223 2017-03-14  Martin Liska  <mliska@suse.cz>
9224
9225         * multiple_target.c (expand_target_clones): Bail out for
9226         an invalid attribute.
9227
9228 2017-03-14  Richard Biener  <rguenther@suse.de>
9229
9230         * alias.c (struct alias_set_entry): Pack properly.
9231         * cfgloop.h (struct loop): Likewise.
9232         * cse.c (struct set): Likewise.
9233         * ipa-utils.c (struct searchc_env): Likewise.
9234         * loop-invariant.c (struct invariant): Likewise.
9235         * lra-remat.c (struct cand): Likewise.
9236         * recog.c (struct change_t): Likewise.
9237         * rtl.h (struct address_info): Likewise.
9238         * symbol-summary.h (function_summary): Likewise.
9239         * tree-loop-distribution.c (struct partition): Likewise.
9240         * tree-object-size.c (struct object_size_info): Likewise.
9241         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
9242         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
9243         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
9244         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
9245         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
9246         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
9247         (struct _stmt_vec_info): Likewise.
9248
9249 2017-03-14  Martin Liska  <mliska@suse.cz>
9250
9251         PR target/79892
9252         * multiple_target.c (create_dispatcher_calls): Check that
9253         a target can create a function dispatcher.
9254
9255 2017-03-14  Martin Liska  <mliska@suse.cz>
9256
9257         PR lto/66295
9258         * multiple_target.c (expand_target_clones): Drop local.local
9259         flag for default implementation.
9260
9261 2017-03-14  Richard Biener  <rguenther@suse.de>
9262
9263         PR tree-optimization/80030
9264         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
9265
9266 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
9267
9268         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
9269         gcc_fallthrough() instead of __attribute__((fallthrough));
9270
9271 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
9272
9273         * doc/gcc.texi: Remove "up" link to (DIR).
9274         * doc/gccint.texi: Ditto.
9275
9276 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
9277
9278         * doc/install.texi (Specific) <avr>: Remove reference to
9279         binutils 2.13.
9280
9281 2017-03-13  Jeff Law  <law@redhat.com>
9282
9283         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
9284         attribute rather than comments.
9285
9286         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
9287         match_scratch operand is highest.
9288
9289 2017-03-13  Martin Liska  <mliska@suse.cz>
9290
9291         PR middle-end/78339
9292         * ipa-pure-const.c (warn_function_noreturn): If the declarations
9293         is a CHKP clone, use original declaration.
9294
9295 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
9296
9297         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
9298         (arc_conditional_register_usage): Use a different allocation order
9299         when optimizing for size.
9300         * common/config/arc/arc-common.c (arc_option_optimization_table):
9301         Section anchors default on when optimizing for size.
9302
9303 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
9304
9305         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
9306
9307 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
9308
9309         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
9310         * config/arc/arc.md (cpu_facility): Add cd variant.
9311         (*movqi_insn): Add code density variant.
9312         (*movhi_insn): Likewise.
9313         (*movqi_insn): Likewise.
9314         (*addsi3_mixed): Likewise.
9315         (subsi3_insn): Likewise.
9316
9317 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
9318
9319         * config/arc/arc.md (movsi_cond_exec): Update constraint.
9320
9321 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
9322
9323         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
9324         expressions with MINUS and UNARY ops.
9325
9326 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9327
9328         PR target/79911
9329         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
9330         Rename to...
9331         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
9332         between vec_select and vector argument.
9333         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
9334         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
9335         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
9336         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
9337         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
9338         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
9339
9340 2017-03-13  Richard Biener  <rguenther@suse.de>
9341
9342         PR other/79991
9343         * params.def (vect-max-peeling-for-alignment): Fix typo.
9344
9345 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
9346
9347         * doc/install.texi (Specific) <mips-*-*>: Remove description of
9348         issue that only occurred with binutils below 2.18.
9349
9350 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
9351
9352         * doc/install.texi (Specific) <cris-axis-elf>: No longer
9353         refer to binutils 2.11/2.12 minimum.
9354
9355 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
9356
9357         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
9358         ftp.kernel.org and simplify binutils requirement.
9359
9360 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
9361
9362         * doc/invoke.texi (Warning Options): Fix spelling of link-time
9363         optimization.
9364         (Optimize Options): Ditto.  Also remove redundancy.
9365
9366 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
9367
9368         PR translation/79848
9369         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
9370         "%qs".
9371         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
9372         to G_ to avoid double translation.
9373
9374 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
9375
9376         PR translation/79923
9377         * auto-profile.c (get_combined_location): Convert leading
9378         character of diagnostics to lower case and remove trailing period.
9379         (read_profile): Likewise for various diagnostics.
9380         * config/arm/arm.c (arm_option_override): Remove trailing period
9381         from various diagnostics.
9382         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
9383         (msp430_expand_delay_cycles): Likewise.
9384
9385 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
9386
9387         PR target/79925
9388         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
9389         full command-line argument, rather than just "str".
9390         (aarch64_validate_march): Likewise.
9391         (aarch64_validate_mtune): Likewise.
9392
9393 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
9394
9395         PR rtl-optimization/78911
9396         * lra-assigns.c (must_not_spill_p): New function.
9397         (spill_for): Use it.
9398
9399 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
9400
9401         PR tree-optimization/79981
9402         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
9403         ATOMIC_COMPARE_EXCHANGE ifn result.
9404         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
9405         IFN_ATOMIC_COMPARE_EXCHANGE.
9406
9407 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
9408
9409         PR driver/79875
9410         * opts.c (parse_sanitizer_options): Add missing question mark to
9411         "did you mean" message.
9412
9413 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9414
9415         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
9416         built-in.
9417         (VMULEUH_UNS): Likewise.
9418         (VMULOUB_UNS): Likewise.
9419         (VMULOUH_UNS): Likewise.
9420         * config/rs6000/rs6000.c (builtin_function_type): Remove
9421         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
9422
9423 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
9424
9425         PR bootstrap/79952
9426         * read-rtl-function.c (function_reader::read_rtx_operand): Update
9427         x with result of extra_parsing_for_operand_code_0.
9428         (function_reader::extra_parsing_for_operand_code_0): Convert
9429         return type from void to rtx, returning x.  When reading
9430         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
9431         larger size containing struct block_symbol.
9432
9433 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
9434
9435         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
9436         -mfloat128-hardware without -m64.
9437
9438 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
9439
9440         PR target/79941
9441         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
9442         entries to the case statement that marks unsigned arguments to
9443         overloaded functions.
9444
9445 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9446
9447         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
9448         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
9449
9450 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
9451
9452         PR target/79907
9453         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
9454         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
9455
9456 2017-03-10  Martin Liska  <mliska@suse.cz>
9457
9458         PR target/65705
9459         PR target/69804
9460         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
9461         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
9462         FIELD != NULL.
9463
9464 2017-03-10  Olivier Hainque  <hainque@adacore.com>
9465
9466         * tree-switch-conversion (array_value_type): Start by resetting
9467         candidate type to it's main variant.
9468
9469 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
9470
9471         PR rtl-optimization/79909
9472         * combine.c (try_combine): Use simplify_replace_rtx on individual
9473         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
9474         of the whole CALL_INSN_FUNCTION_USAGE.
9475
9476         PR tree-optimization/79972
9477         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
9478         get_range_info on SSA_NAMEs.  Formatting fixes.
9479
9480 2017-03-10  Richard Biener  <rguenther@suse.de>
9481             Jakub Jelinek  <jakub@redhat.com>
9482
9483         PR tree-optimization/77975
9484         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
9485         edge to be constant.
9486         (get_val_for): For constant x return it.  Formatting fix.
9487         (loop_niter_by_eval): Avoid pointless looping if the next iteration
9488         would use the same bases as the current one.
9489
9490 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9491
9492         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
9493         instead of vec_select for V1TImode.
9494         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
9495         longer needed.
9496         (VSX_LE_128): Add V1TI to this mode iterator.
9497         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
9498         (*vsx_le_perm_store_<mode>): Likewise.
9499         (pre-reload splitter for VSX stores): Likewise.
9500         (post-reload splitter for VSX stores): Likewise.
9501         (*vsx_xxpermdi2_le_<mode>): Likewise.
9502         (*vsx_lxvd2x2_le_<mode>): Likewise.
9503         (*vsx_stxvd2x2_le_<mode>): Likewise.
9504
9505 2017-03-09  Michael Eager  <eager@eagercon.com>
9506
9507         Correct failures with --enable-checking=yes,rtl.
9508
9509         * config/microblaze/microblaze.c (microblaze_expand_shift):
9510         Replace GET_CODE test with CONST_INT_P and INTVAL test with
9511         test for const0_rtx.
9512         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
9513         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
9514
9515 2017-03-09  Richard Biener  <rguenther@suse.de>
9516
9517         PR tree-optimization/79977
9518         * graphite-scop-detection.c (scop_detection::merge_sese):
9519         Handle the case of extra exits to blocks dominating the entry.
9520
9521 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
9522
9523         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
9524         Document rdynamic.
9525
9526 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
9527
9528         PR rtl-optimization/79949
9529         * lra-constraints.c (process_alt_operands): Check memory when
9530         trying to predict a cycle.  Print about the overall increase.
9531
9532 2017-03-09  Richard Biener  <rguenther@suse.de>
9533
9534         PR middle-end/79971
9535         * gimple-expr.c (useless_type_conversion_p): Preserve
9536         TYPE_SATURATING for fixed-point types.
9537
9538 2017-03-09  Richard Biener  <rguenther@suse.de>
9539
9540         PR ipa/79970
9541         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
9542         alignment of BLKmode params.
9543
9544 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9545
9546         PR target/79913
9547         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
9548         (VALL_NO_V2Q): Likewise.
9549         (VDQF_DF): Delete.
9550         * config/aarch64/aarch64-simd.md
9551         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
9552         iterator.
9553         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
9554         VALL_NO_V2Q mode iterator.
9555         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
9556
9557 2017-03-09  Martin Liska  <mliska@suse.cz>
9558
9559         PR tree-optimization/79631
9560         * tree-chkp-opt.c (chkp_is_constant_addr): Call
9561         tree_int_cst_sign_bit just for INTEGER constants.
9562
9563 2017-03-09  Martin Liska  <mliska@suse.cz>
9564
9565         PR target/65705
9566         PR target/69804
9567         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
9568         sanitizers.
9569
9570 2017-03-09  Marek Polacek  <polacek@redhat.com>
9571
9572         PR c++/79672
9573         * tree.c (inchash::add_expr): Handle TREE_VEC.
9574
9575 2017-03-09  Martin Liska  <mliska@suse.cz>
9576
9577         PR ipa/79764
9578         (chkp_narrow_size_and_offset): New function.
9579         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
9580         (void chkp_parse_bit_field_ref): New function.
9581         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
9582         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
9583
9584 2017-03-09  Martin Liska  <mliska@suse.cz>
9585
9586         PR ipa/79761
9587         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
9588         (chkp_find_bounds_1): Remove gcc_unreachable.
9589
9590 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
9591
9592         PR sanitizer/79944
9593         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
9594         BUILT_IN_SYNC*, determine the access type from the size suffix and
9595         always build a MEM_REF with that type.  Handle forgotten
9596         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
9597
9598         PR target/79932
9599         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
9600         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
9601         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
9602         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
9603         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
9604         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
9605         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
9606         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
9607         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
9608         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
9609         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
9610         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
9611         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
9612         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
9613         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
9614         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
9615         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
9616         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
9617         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
9618         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
9619         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
9620         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
9621         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
9622         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
9623         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
9624         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
9625         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
9626         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
9627         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
9628         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
9629         definitions outside of __OPTIMIZE__ guarded section.
9630
9631         PR target/79932
9632         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
9633         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
9634         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
9635         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
9636         guarded section.
9637
9638 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9639
9640         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
9641         ("vfenez<mode>"): Add missing constraints.
9642
9643 2017-03-08  Martin Sebor  <msebor@redhat.com>
9644
9645         PR target/79928
9646         * config/nds32/nds32.c (nds32_option_override):
9647         Fix misspelled diagnostic.
9648
9649 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
9650
9651         PR c/79940
9652         * gimplify.c (gimplify_omp_for): Replace index var in outer
9653         taskloop statement with an artificial variable and add
9654         OMP_CLAUSE_PRIVATE clause for it.
9655
9656 2017-03-08  Richard Biener  <rguenther@suse.de>
9657
9658         PR tree-optimization/79955
9659         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
9660         for accesses that are completely outside of the variable.
9661
9662 2017-03-08  Andrew Haley  <aph@redhat.com>
9663
9664         PR tree-optimization/79943
9665         * tree-ssa-loop-split.c (compute_new_first_bound): When
9666         calculating the new upper bound, (END-BEG) should be added, not
9667         subtracted.
9668
9669 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
9670
9671         * config/avr/avr.md (setmemhi): Make sure match_dup
9672         operand number comes before match_scratch.
9673
9674 2017-03-08  Richard Biener  <rguenther@suse.de>
9675
9676         PR tree-optimization/79920
9677         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
9678         with ncopies == 1 to ...
9679         (vect_transform_slp_perm_load): ... here.  Properly compute
9680         all element loads by iterating VF times over the group.  Do
9681         not handle ncopies (computed in a broken way) in
9682         vect_create_mask_and_perm.
9683
9684 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
9685
9686         PR sanitizer/79904
9687         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
9688         is a uniform vector, use uniform_vector_p return value instead of
9689         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
9690
9691 2017-03-07  Marek Polacek  <polacek@redhat.com>
9692
9693         PR middle-end/79809
9694         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
9695         (alloca_call_type): Likewise.
9696
9697 2017-03-07  Martin Liska  <mliska@suse.cz>
9698
9699         * gcov.c (process_args): Put comment to correct location.
9700
9701 2017-03-07  Martin Liska  <mliska@suse.cz>
9702
9703         PR middle-end/68270
9704         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
9705         Use array_at_struct_end_p instead of DECL_CHAIN (field).
9706         (chkp_narrow_bounds_for_field): Likewise.
9707         (chkp_parse_array_and_component_ref): Pass one more argument to
9708         call.
9709
9710 2017-03-07  Richard Biener  <rguenther@suse.de>
9711
9712         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
9713         preheaders.
9714
9715 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
9716
9717         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
9718         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
9719
9720 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9721
9722         PR c/79855
9723         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
9724         to end of description.
9725         (PARAM_MAX_STORES_TO_MERGE): Likewise.
9726
9727 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
9728
9729         PR rtl-optimization/79901
9730         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
9731         ...
9732         (*avx512f_<code><mode>3<mask_name>): ... this.
9733         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
9734         iterator instead of VI8_AVX2_AVX512BW.
9735
9736         PR rtl-optimization/79901
9737         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
9738         min/max expander, expand it using expand_vec_cond_expr.
9739
9740         PR sanitizer/79897
9741         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
9742         temporary.
9743
9744 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
9745
9746         PR c++/79821
9747         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
9748         to void * for PCH reasons.
9749         * dwarf2out.c (output_loc_operands, output_die): Cast
9750         v.val_vec.array to unsigned char *.
9751
9752 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
9753
9754         PR target/77850
9755         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
9756         vector types.
9757
9758 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
9759
9760         PR rtl-optimization/79571
9761         * lra-constraints.c (process_alt_operands): Calculate static
9762         reject and subtract it from overall when only addresses will be
9763         reloaded.
9764
9765 2017-03-06  Julia Koval  <julia.koval@intel.com>
9766
9767         PR target/79793
9768         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
9769         incoming stack boundary to 128 for 64-bit targets.
9770
9771 2017-03-06  Richard Biener  <rguenther@suse.de>
9772
9773         PR tree-optimization/79894
9774         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
9775         to NULL after folding it.
9776
9777 2017-03-06  Richard Biener  <rguenther@suse.de>
9778
9779         PR tree-optimization/79824
9780         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
9781         check disabling peeling for gaps.
9782
9783 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
9784
9785         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
9786         attributes): Document gettimeofday.
9787
9788 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
9789
9790         * config/s390/s390.c (s390_option_override_internal): Set
9791         PARAM_MIN_VECT_LOOP_BOUND
9792
9793 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
9794
9795         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
9796         * config/s390/s390.md: Likewise.
9797
9798 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
9799
9800         PR target/79812
9801         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
9802         (<avx2_avx512>_perm<mode>): Rename to ...
9803         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
9804         of VI8F_256_512.
9805         (<avx512>_perm<mode>_mask): Rename to ...
9806         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
9807         of VI8F_256_512.
9808         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
9809         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
9810         instead of VI8F_256_512.
9811         (avx512f_perm<mode>): New define_expand.
9812         (avx512f_perm<mode>_mask): Likewise.
9813         (avx512f_perm<mode>_1<mask_name>): New define_insn.
9814         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
9815
9816 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
9817
9818         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
9819         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
9820         if_then_else.
9821         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
9822
9823 2017-03-06  Martin Liska  <mliska@suse.cz>
9824
9825         PR sanitize/79783
9826         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
9827         when having a SSA NAME w/o VAR_DECL assigned to it.
9828
9829 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
9830
9831         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
9832         msa_dpsub_<su>_d): Fix MODE for vec_select.
9833
9834 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
9835
9836         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
9837         argument.
9838         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
9839
9840 2017-03-06  Richard Biener  <rguenther@suse.de>
9841
9842         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
9843         * plugin.c (register_plugin_info): Likewise.
9844         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
9845
9846 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
9847
9848         * config/i386/sse.md (sse_storehps, sse_storelps,
9849         avx_<castmode><avxsizesuffix>_<castmode>,
9850         avx512f_<castmode><avxsizesuffix>_<castmode>,
9851         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
9852         in condition that at least one operand is not a MEM.
9853
9854 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
9855
9856         PR middle-end/79805
9857         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
9858         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
9859         ECF_NOTHROW.
9860         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
9861         gimple_call_nothrow_p flag based on whether original builtin can throw.
9862         If it can, emit following stmts on the fallthrough edge.
9863         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
9864         don't create new bb if inserting just debug stmts on the edge, try to
9865         insert them on the fallthru bb or just reset debug stmts.
9866
9867 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
9868
9869         PR target/43763
9870         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
9871         restore recog_data (including the operand rtxes inside it) around
9872         the call to get_insn_template.
9873
9874 2017-03-03  Martin Sebor  <msebor@redhat.com>
9875
9876         PR tree-optimization/79699
9877         * context.c (context::~context): Free MPFR caches to avoid
9878         a memory leak on program exit.
9879
9880 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9881
9882         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
9883         Use wide_int::ulow () instead of .elt (0).
9884
9885 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
9886
9887         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
9888         (*pushxf): Limit oF constraint to 32bit targets and add oC
9889         constraint for 64bit targets.
9890         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
9891         (*pushdf): Change rmF constraint to rmC.
9892
9893 2017-03-03  Martin Liska  <mliska@suse.cz>
9894
9895         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
9896         Remove unused variable.
9897
9898 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
9899
9900         PR target/79807
9901         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
9902         is a memory operand, increase num_memory.
9903         (ix86_expand_args_builtin): Likewise.
9904
9905 2017-03-03  Jan Hubicka  <jh@suse.cz>
9906
9907         PR lto/79760
9908         * ipa-devirt.c (maybe_record_node): Properly handle
9909         __cxa_pure_virtual visibility.
9910
9911 2017-03-03  Martin Liska  <mliska@suse.cz>
9912
9913         PR tree-optimization/79803
9914         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
9915         assert.
9916         (pass_loop_prefetch::execute): Disabled optimization if an
9917         assumption about L1 cache size is not met.
9918
9919 2017-03-03  Martin Liska  <mliska@suse.cz>
9920
9921         PR rtl-optimization/79574
9922         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
9923         (hash_scan_set): Likewise.
9924         (dump_hash_table): Likewise.
9925         (hoist_code): Likewise.
9926
9927 2017-03-03  Richard Biener  <rguenther@suse.de>
9928
9929         * fixed-value.c (fixed_from_string): Restore use of elt (1)
9930         in place of uhigh ().
9931         (fixed_convert_from_real): Likewise.
9932
9933 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
9934
9935         PR target/79514
9936         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
9937
9938 2017-03-03  Richard Biener  <rguenther@suse.de>
9939
9940         PR middle-end/79818
9941         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
9942         TYPE_OVERFLOW_UNDEFINED check.
9943
9944 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9945
9946         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
9947         numbers.
9948         (vector_ae_<mode>_p): Likewise.
9949         (vector_nez_<mode>_p): Likewise.
9950         (vector_ne_v2di_p): Likewise.
9951         (vector_ae_v2di_p): Likewise.
9952         (vector_ne_<mode>_p): Likewise.
9953         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
9954         numbers.
9955         (vsx_tsqrt<mode>2_fe): Likewise.
9956
9957 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
9958
9959         PR target/79514
9960         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
9961
9962 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
9963
9964         PR rtl-optimization/79780
9965         * cprop.c (one_cprop_pass): When second and further conditional trap
9966         in a single basic block is turned into an unconditional trap, turn it
9967         into a deleted note to avoid RTL verification failures.
9968
9969 2017-03-02  Richard Biener  <rguenther@suse.de>
9970
9971         * fold-const.c (const_binop): Use ulow () instead of elt (0).
9972
9973 2017-03-02  Richard Biener  <rguenther@suse.de>
9974
9975         PR tree-optimization/79345
9976         PR c++/42000
9977         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
9978         param and abort the walk, returning -1 if it is hit.
9979         (walk_aliased_vdefs): Take a limit param and pass it on.
9980         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
9981         defaulting to 0 and return a signed int.
9982         * tree-ssa-uninit.c (struct check_defs_data): New struct.
9983         (check_defs): New helper.
9984         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
9985         about uninitialized memory.
9986         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
9987         bogus uninitialized warning.
9988         (fixed_convert_from_real): Likewise.
9989
9990 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
9991
9992         PR tree-optimization/66768
9993         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
9994         iv_use if base object can't be determined.
9995
9996 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
9997
9998         PR tree-optimization/79345
9999         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
10000         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
10001         (get_pattern_stats): Initialize it.
10002         * genemit.c (gen_expand): Verify match_scratch numbers come after
10003         match_operand/match_dup numbers.
10004         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
10005         match_scratch numbers.
10006         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
10007         Likewise.
10008         * config/s390/s390.md (trunctdsd2): Likewise.
10009
10010 2017-03-02  Richard Biener  <rguenther@suse.de>
10011
10012         * wide-int.h (wide_int_storage::operator=): Implement in terms
10013         of wi::copy.
10014
10015 2017-03-02  Richard Biener  <rguenther@suse.de>
10016
10017         PR tree-optimization/79777
10018         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
10019         the to insert expression to sth existing.
10020
10021 2017-03-01  Martin Sebor  <msebor@redhat.com>
10022
10023         PR middle-end/79692
10024         * gimple-ssa-sprintf.c
10025         (directive::known_width_and_precision): New function.
10026         (format_integer): Use it.
10027         (get_mpfr_format_length): Consider the full range of precision
10028         when computing %g output with the # flag.  Set the likely byte
10029         count to 3 rather than 1 when precision is indeterminate.
10030         (format_floating): Correct the lower bound of precision.
10031
10032 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10033
10034         * doc/invoke.texi: Document default code model for 64-bit Linux.
10035
10036 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
10037
10038         PR target/79752
10039         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
10040         udiv rather than div since input pattern is unsigned.
10041
10042 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
10043
10044         * config/i386/i386.c (print_reg): Warn for values of
10045         unsupported size in integer register.
10046
10047 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
10048
10049         PR target/79439
10050         * config/rs6000/predicates.md (current_file_function_operand): Do
10051         not allow self calls to be local if the function is replaceable.
10052
10053 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
10054
10055         PR target/79395
10056         * config/rs6000/altivec.h (vec_ctz and others): Change the
10057         preprocessor macro that controls conditional compilation from
10058         _ARCH_PWR9 to __POWER9_VECTOR__.
10059         (vec_all_ne): Change parameterization of __altivec_scalar_pred
10060         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
10061         control (instead of _ARCH_PWR9 control) so that template
10062         definition uses power9-specific function.
10063         (vec_any_eq): Likewise.
10064         (vec_all_ne): Change macro definition to use a power9-specific
10065         expansion under #ifdef __POWER9_VECTOR__ control (instead of
10066         _ARCH_PWR9 control).
10067         (vec_any_eq) Likewise.
10068         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
10069         expansion for CMPNEF to remove support for xvcmpnesp instruction.
10070         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
10071         support for xvcmpnedp instruction.
10072         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
10073         macro expansion so that Power9 implementation of vec_all_ne does
10074         not use the AltiVec predicate framework.
10075         (VCMPNEH_P): Likewise.
10076         (VCMPNEW_P): Likewise.
10077         (VCMPNED_P): Likewise.
10078         (VCMPNEFP_P): Likewise.
10079         (VCMPNEDP_P): Likewise.
10080         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
10081         implementation of vec_any_eq to not use AltiVec predicate
10082         framework.
10083         (VCMPAEH_P): Likewise.
10084         (VCMPAEW_P): Likewise.
10085         (VCMPAED_P): Likewise.
10086         (VCMPAEFP_P): Likewise.
10087         (VCMPAEDP_P): Likewise.
10088         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
10089         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
10090         not use the AltiVec predicate framework.
10091         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
10092         of vec_any_eq to not use AltiVec predicate framework.
10093         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
10094         support for predefined __POWER9_VECTOR__ macro to indicate that
10095         Power9 instruction selection is enabled.
10096         (altivec_overloaded_builtins): Remove extraneous
10097         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
10098         function argument types RS6000_BTI_bool_V16QI and
10099         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
10100         entry for overloaded function argument types RS6000_BTI_bool_V4SI
10101         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
10102         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
10103         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
10104         Power9 for implementations of vec_cmpne.  Change the signature for
10105         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
10106         (representing vec_all_ne) to remove the previously described first
10107         argument of type RS6000_BTI_INTSI, as this was an artifact of
10108         reliance on the AltiVec predicate framework, which is no longer
10109         used in the implementation of these functions.  Add
10110         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
10111         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
10112         since, unlike the AltiVec predicate framework implementation, we
10113         do not share function descriptors between vec_alle and vec_anyeq.
10114         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
10115         set of modes that receive special treatment even when
10116         TARGET_P9_VECTOR is true.  The special treatment emits code that
10117         does not depend on Power9 instructions.
10118         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
10119         define_expand to not rely on AltiVec predicate framework.
10120         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
10121         function.
10122         (vector_ne_v2di_p): Change this define_expand to not rely on
10123         AltiVec predicate framework.
10124         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
10125         function.
10126         (vector_ne_<mode>_p): Change this define_expand to not rely on
10127         AltiVec predicate framework.
10128         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
10129         function.
10130         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
10131         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
10132         define_insn pattern.
10133         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
10134         define_insn pattern because the xvcmpne<VSs>. instruction is not
10135         supported.
10136         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
10137         instruction is not supported.
10138
10139 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
10140
10141         * config/nvptx/nvptx.c: Include intl.h.
10142
10143 2017-03-01  Martin Jambor  <mjambor@suse.cz>
10144
10145         PR lto/78140
10146         * ipa-prop.h (ipa_bits): Removed field known.
10147         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
10148         to pointers.  Adjusted their comments to warn about their sharing.
10149         (ipcp_transformation_summary): Change bits to a vector of pointers.
10150         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
10151         (ipa_get_ipa_bits_for_value): Declare.
10152         * tree-vrp.h (value_range): Mark as GTY((for_user)).
10153         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
10154         (ipa_bits_hash_table): Likewise.
10155         (ipa_vr_ggc_hash_traits): Likewise.
10156         (ipa_vr_hash_table): Likewise.
10157         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
10158         being pointers and vr_known being removed.
10159         (ipa_set_jf_unknown): Likewise.
10160         (ipa_get_ipa_bits_for_value): New function.
10161         (ipa_set_jfunc_bits): Likewise.
10162         (ipa_get_value_range): New overloaded functions.
10163         (ipa_set_jfunc_vr): Likewise.
10164         (ipa_compute_jump_functions_for_edge): Use the above functions to
10165         construct bits and vr parts of jump functions.
10166         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
10167         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
10168         exist.
10169         (ipcp_grow_transformations_if_necessary): Also allocate
10170         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
10171         exist.
10172         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
10173         them.  Fix too long lines.
10174         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
10175         vr_known being removed.
10176         (ipa_read_jump_function): Use new setter functions to construct bits
10177         and vr parts of jump functions or set them to NULL.
10178         (write_ipcp_transformation_info): Adjust for bits being pointers.
10179         (read_ipcp_transformation_info): Likewise.
10180         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
10181         space.
10182         Include gt-ipa-prop.h.
10183         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
10184         being pointers.
10185         (ipcp_store_bits_results): Likewise.
10186         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
10187         Do not write to existing jump functions but use a temporary instead.
10188
10189 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
10190
10191         PR c++/79681
10192         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
10193         attempt to use its first operand as BIT_FIELD_REF base.
10194
10195 2017-03-01  Richard Biener  <rguenther@suse.de>
10196
10197         PR middle-end/79721
10198         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
10199         interpolating formula in wrapping arithmetic.
10200         (chrec_apply): Convert chrec_evaluate return value to wanted type.
10201
10202 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
10203
10204         PR tree-optimization/79734
10205         * tree-vect-generic.c (expand_vector_condition): Optimize
10206         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
10207         Handle VEC_COND_EXPR where comparison has different inner width from
10208         type's inner width.
10209
10210 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
10211
10212         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
10213         markup, and similar issues.  Remove @opindex entries for things
10214         that aren't options.  Add missing -mmpy-option entries.
10215
10216 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
10217
10218         PR tree-optimization/79737
10219         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
10220         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
10221         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
10222         instead of byte_size.  Formatting fix.
10223         (shift_bytes_in_array_right): Formatting fix.
10224
10225 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
10226
10227         PR target/79749
10228         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
10229         condition on optimize for the leaf function test.
10230
10231 2017-02-28  Martin Liska  <mliska@suse.cz>
10232
10233         PR lto/79625
10234         * read-rtl-function.c (function_reader::handle_unknown_directive):
10235         Bail out when one uses -flto.
10236
10237 2017-02-28  Martin Liska  <mliska@suse.cz>
10238
10239         * common.opt: Replace space with tabular for options of <number>
10240         type.
10241         * config/i386/i386.opt: Show <number> value for
10242         -mlarge-data-threshold.
10243         * opts.c (print_filtered_help): Do not display number in hexadecimal
10244         format.
10245
10246 2017-02-28  Martin Liska  <mliska@suse.cz>
10247
10248         * common.opt: Fix --help=option -Q for options which are of
10249         an enum type.
10250
10251 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
10252
10253         * config/i386/i386.c (print_reg): Error out for values
10254         of 8-bit size in invalid integer register.
10255
10256 2017-02-28  Martin Sebor  <msebor@redhat.com>
10257
10258         PR tree-optimization/79691
10259         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
10260
10261 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
10262
10263         PR target/79729
10264         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
10265         gcc_unreachable with output_operand_lossage.
10266
10267 2017-02-28  Richard Biener  <rguenther@suse.de>
10268
10269         PR tree-optimization/79740
10270         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
10271         inserts.
10272         (visit_nary_op): Insert the nary into the hashtable if we
10273         pattern-matched sth.
10274         * tree-ssa-pre.c (eliminate_insert): Robustify.
10275
10276 2017-02-28  Richard Biener  <rguenther@suse.de>
10277
10278         PR middle-end/79731
10279         * fold-const.c (decode_field_reference): Reject out-of-bound
10280         accesses.
10281
10282 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
10283
10284         * config/i386/i386.c: Include intl.h.
10285         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
10286         instead of just cond ? "..." : "...".
10287         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
10288         * coverage.c (read_counts_file): Likewise.
10289         * omp-offload.c: Include intl.h.
10290         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
10291         of just cond ? "..." : "...".
10292         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
10293         of just cond ? "..." : "...".
10294
10295 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
10296
10297         PR target/79742
10298         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
10299         entry, if present.
10300         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
10301         'tune for' CPU name.
10302         * config/arm/arm-cpu-data.h: Regenerated.
10303
10304 2017-02-28  Richard Biener  <rguenther@suse.de>
10305
10306         PR tree-optimization/79732
10307         * tree-inline.c (expand_call_inline): Do not shadow var.
10308
10309 2017-02-28  Richard Biener  <rguenther@suse.de>
10310
10311         PR tree-optimization/79723
10312         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
10313         address-space properly.
10314
10315 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
10316
10317         * doc/optinfo.texi (Optimization groups): Fix option used for
10318         OPTGROUP_ALL.
10319         * doc/invoke.texi (-fopt-info): Document "omp".
10320         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
10321         (OPTGROUP_ALL): Add OPTGROUP_OMP.
10322         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
10323         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
10324         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
10325
10326         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
10327         all users.
10328         * dumpfile.c (optgroup_options): Instead of "openmp", associate
10329         OPTGROUP_OMP with "omp".
10330
10331 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
10332
10333         PR target/79544
10334         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
10335         for arithmetic shift of unsigned V2DI.
10336
10337 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
10338
10339         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
10340         arc/linux.h headers.
10341         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
10342         (LINK_SPEC): Likewise.
10343         (ARC_TLS_EXTRA_START_SPEC): Likewise.
10344         (EXTRA_SPECS): Likewise.
10345         (STARTFILE_SPEC): Likewise.
10346         (ENDFILE_SPEC): Likewise.
10347         (LIB_SPEC): Likewise.
10348         (TARGET_SDATA_DEFAULT): Likewise.
10349         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
10350         (MULTILIB_DEFAULTS): Likewise.
10351         (DWARF2_UNWIND_INFO): Likewise.
10352         * config/arc/big.h: New file.
10353         * config/arc/elf.h: Likewise.
10354         * config/arc/linux.h: Likewise.
10355         * config/arc/t-uClibc: Remove.
10356
10357 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
10358
10359         PR tree-optimization/77536
10360         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
10361         (tree_transform_and_unroll_loop): Use above function to compute the
10362         estimated niter of unrolled loop and use it when scaling profile.
10363         Also use count info rather than frequency if it's non-zero.
10364         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
10365         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
10366         (vect_transform_loop): Call above function.
10367
10368 2017-02-27  Richard Biener  <rguenther@suse.de>
10369
10370         PR tree-optimization/45397
10371         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
10372         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
10373         (visit_nary_op): Add pattern matching for CSEing sign-changed
10374         or truncated operations with wider ones.
10375
10376 2017-02-27  Richard Biener  <rguenther@suse.de>
10377
10378         PR tree-optimization/79690
10379         * tree-vect-stmts.c (vectorizable_store): Use vector type
10380         built from the DR with address-space.
10381
10382 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
10383
10384         * doc/invoke.texi (Optimize Options): Refine the description
10385         of asan-use-after-return.
10386
10387 2017-02-25  Alan Modra  <amodra@gmail.com>
10388
10389         PR rtl-optimization/79584
10390         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
10391         base, not ad->base_term, the reg within base.  Remove assertion
10392         that ad->base == ad->base_term.  Replace gen_int_mode using
10393         bogus mode with const0_rtx.
10394
10395 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
10396
10397         PR middle-end/79396
10398         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
10399         FMA_EXPR like tcc_binary or tcc_unary.
10400
10401         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
10402
10403         PR debug/77589
10404         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
10405         bitfield.
10406         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
10407         (output_loc_operands): Handle DW_OP_call_ref and
10408         DW_OP_GNU_variable_value.
10409         (struct variable_value_struct): New type.
10410         (struct variable_value_hasher): Likewise.
10411         (variable_value_hash): New variable.
10412         (string_types): Remove.
10413         (copy_loc_descr): New function.
10414         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
10415         (prepend_loc_descr_to_each): New function.
10416         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
10417         instead of add_loc_descr_to_each if the first argument is single
10418         location list and the second has multiple.
10419         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
10420         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
10421         when looking for variable value which doesn't have other location info.
10422         (loc_list_from_tree): Formatting fix.
10423         (gen_array_type_die): Simplify DW_AT_string_length handling.
10424         (adjust_string_types): Remove.
10425         (gen_subprogram_die): Don't call adjust_string_types nor test/set
10426         string_types.  Call resolve_variable_values.
10427         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
10428         (resolve_addr_in_expr): Likewise.  Add A argument.
10429         (copy_deref_exprloc): Remove deref argument.  Adjust for the
10430         original expression being DW_OP_GNU_variable_value with optionally
10431         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
10432         optionally after it.
10433         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
10434         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
10435         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
10436         (variable_value_hasher::hash, variable_value_hasher::equal): New
10437         methods.
10438         (resolve_variable_value_in_expr, resolve_variable_value,
10439         resolve_variable_values, note_variable_value_in_expr,
10440         note_variable_value): New functions.
10441         (dwarf2out_early_finish): Call note_variable_value on all toplevel
10442         DIEs.
10443
10444 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
10445
10446         PR c/79677
10447         * opts.h (handle_generated_option): Add GENERATED_P argument.
10448         * opts-common.c (handle_option): Adjust function comment.
10449         (handle_generated_option): Add GENERATED_P argument, pass it to
10450         handle_option.
10451         (control_warning_option): Pass false to handle_generated_option
10452         GENERATED_P.
10453         * opts.c (maybe_default_option): Pass true to handle_generated_option
10454         GENERATED_P.
10455         * optc-gen.awk: Likewise.
10456
10457 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
10458
10459         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
10460         a REG, look at the REG it is a SUBREG of.
10461         (splitter for cmpeqsi_t): Ditto.
10462
10463 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
10464
10465         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
10466         the special USEs with the pattern of the insn, not the insn itself.
10467
10468 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
10469
10470         PR target/79473
10471         * doc/invoke.texi: Document -mload-store-pairs.
10472
10473 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
10474             Sandra Loosemore  <sandra@codesourcery.com>
10475
10476         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
10477         argument isn't a CONST_INT.
10478         (nios2_alternate_compare_const): Assert op is a CONST_INT.
10479         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
10480         (nios2_validate_compare): Bypass alternate compare logic if *op2
10481         is not a CONST_INT.
10482         (ldstwm_operation_p): Return false if first_base is not a REG or
10483         if first_offset is not a CONST_INT.
10484
10485 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
10486
10487         * config/cris/cris.md: Use correct operand in a define_peephole2.
10488
10489 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
10490
10491         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
10492
10493 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
10494
10495         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
10496         this_insn if it is an INSN or JUMP_INSN.
10497         (force_offsettable): Look at base, not at addr.
10498         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
10499         on things that aren't necessarily CONST_INTs.
10500
10501 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
10502
10503         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
10504         -mfpmath=sse is the default also for x86-32 targets with SSE2
10505         instruction set when @option{-ffast-math} is enabled
10506
10507 2017-02-24  Jeff Law  <law@redhat.com>
10508
10509         PR rtl-optimizatoin/79286
10510         * ira.c (update_equiv_regs): Drop may_trap_p exception to
10511         dominance test.
10512
10513 2017-02-24  Richard Biener  <rguenther@suse.de>
10514
10515         PR tree-optimization/79389
10516         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
10517         debug insns.
10518
10519 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
10520
10521         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
10522         function comment to reflect reality.
10523         (loop_exits_before_overflow): Fix typo in function description.
10524
10525 2017-02-24  Richard Biener  <rguenther@suse.de>
10526
10527         PR tree-optimization/79389
10528         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
10529         properly that a threading opportunity exists.  Detect conditional
10530         copy/constant propagation opportunities.
10531
10532 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
10533
10534         * config/visium/visium.md (type): Add trap.
10535         (b): New mode attribute.
10536         (*btst): Rename into...
10537         (*btst<mode>): ...this and adjust.
10538         (*cbranchsi4_btst_insn): Rename into...
10539         (*cbranch<mode>4_btst_insn): ...this and adjust.
10540         (trap): New define_insn.
10541
10542 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
10543
10544         PR tree-optimization/79389
10545         * ifcvt.c (struct noce_if_info): Add rev_cond field.
10546         (noce_reversed_cond_code): New function.
10547         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
10548         reversed_comparison_code.  Formatting fix.
10549         (noce_try_store_flag): Test rev_cond != NULL in addition to
10550         reversed_comparison_code.
10551         (noce_try_store_flag_constants): Likewise.
10552         (noce_try_store_flag_mask): Likewise.
10553         (noce_try_addcc): Use rev_cond if non-NULL instead of
10554         reversed_comparison_code.
10555         (noce_try_cmove_arith): Likewise.  Formatting fixes.
10556         (noce_try_minmax, noce_try_abs): Clear rev_cond.
10557         (noce_find_if_block): Initialize rev_cond.
10558         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
10559         instead of false as last argument never attempt to reverse it
10560         afterwards.
10561
10562 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
10563
10564         PR tree-optimization/79663
10565         * tree-predcom.c (combine_chains): Process refs in reverse order
10566         only for ZERO length chains, and add explaining comment.
10567
10568 2017-02-23  Jeff Law  <law@redhat.com>
10569
10570         PR tree-optimization/79578
10571         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
10572         in call to operand_equal_p.
10573
10574 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
10575
10576         PR target/71017
10577         * config/i386/cpuid.h: Fix another undefined behavior.
10578
10579 2017-02-23  Richard Biener  <rguenther@suse.de>
10580
10581         PR tree-optimization/79683
10582         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
10583         vector types for data-refs.
10584
10585 2017-02-23  Martin Liska  <mliska@suse.cz>
10586
10587         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
10588
10589 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
10590
10591         PR middle-end/79665
10592         * internal-fn.c (get_range_pos_neg): Moved to ...
10593         * tree.c (get_range_pos_neg): ... here.  No longer static.
10594         * tree.h (get_range_pos_neg): New prototype.
10595         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
10596         are known to be in between 0 and signed maximum inclusive, try to
10597         expand both unsigned and signed divmod and use the cheaper one from
10598         those.
10599
10600 2017-02-22  Jeff Law  <law@redhat.com>
10601
10602         PR tree-optimization/79578
10603         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
10604         to compare base operands.
10605
10606 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
10607
10608         PR target/79211
10609         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
10610         gpc_reg_operand instead of fpr_reg_operand.
10611
10612 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
10613
10614         * config/mips/mips.c (mips_return_in_memory): Force FP
10615         vector types to be returned in memory for o32 ABI.
10616
10617 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
10618
10619         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
10620         instead of DW_TAG_member for static data member declarations and don't
10621         set no_linkage_name for static inline data members.
10622         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
10623         to DW_TAG_member.
10624
10625 2017-02-22  Martin Liska  <mliska@suse.cz>
10626
10627         * doc/invoke.texi: Replace inequality signs with square brackets
10628         for -Wnormalized.
10629
10630 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10631
10632         PR tree-optimization/68644
10633         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
10634
10635 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
10636
10637         PR target/78660
10638         * lra-constraints.c (simplify_operand_subreg): Handle
10639         WORD_REGISTER_OPERATIONS targets.
10640
10641 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
10642
10643         PR target/70465
10644         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
10645         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
10646         elimination by swapping fld*.
10647
10648 2017-02-22  Richard Biener  <rguenther@suse.de>
10649
10650         PR tree-optimization/79673
10651         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
10652         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
10653         irrelevant address-space qualifiers and avoiding a
10654         ADDR_SPACE_CONVERT_EXPR from fold_convert.
10655
10656 2017-02-22  Richard Biener  <rguenther@suse.de>
10657
10658         PR tree-optimization/79666
10659         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
10660         to not symbolically negate if that may introduce undefined
10661         overflow.
10662
10663 2017-02-22  Martin Liska  <mliska@suse.cz>
10664
10665         PR lto/79587
10666         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
10667         * data-streamer-out.c (streamer_write_gcov_count_stream):
10668         Likewise.
10669         * value-prof.c (stream_out_histogram_value): Make assert more
10670         precise based on type of counter.
10671
10672 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
10673
10674         PR target/79593
10675         * config/i386/i386.md (standard_x87sse_constant_load splitter):
10676         Use nonimmediate_operand instead of memory_operand for operand 1.
10677         (float-extend standard_x87sse_constant_load splitter): Ditto.
10678
10679 2017-02-21  Jeff Law  <law@redhat.com>
10680
10681         PR tree-optimization/79621
10682         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
10683         blocks with edges to themselves.
10684
10685 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
10686
10687         PR target/79633
10688         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
10689         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
10690         Use gimple_call_builtin_p.
10691
10692         PR target/79570
10693         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
10694         on temporarily removed DEBUG_INSNs.
10695
10696         PR tree-optimization/79649
10697         * tree-loop-distribution.c (classify_partition): Give up on
10698         non-generic address space loads/stores.
10699
10700 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
10701
10702         * doc/loop.texi (Loop manipulation): Remove nonexistent
10703         tree_ssa_loop_version from the documentation.
10704         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
10705
10706 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
10707
10708         PR target/79494
10709         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
10710         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
10711         * config/rs6000/rs6000.c: Include except.h.
10712         (rs6000_expand_split_stack_prologue): Call
10713         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
10714
10715 2017-02-21  Martin Jambor  <mjambor@suse.cz>
10716
10717         PR lto/79579
10718         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
10719         have been analyzed.
10720
10721 2017-02-21  Martin Jambor  <mjambor@suse.cz>
10722
10723         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
10724         for backward compatibility only.
10725         * doc/invoke.texi (Option Summary): Remove all references to
10726         -fipa-cp-alignment.
10727
10728 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
10729
10730         PR target/78660
10731         Revert:
10732         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
10733
10734         * lra-constraints.c (curr_insn_transform): Handle
10735         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
10736
10737 2017-02-21  Martin Liska  <mliska@suse.cz>
10738
10739         * config/i386/i386.opt: Replace -masm-dialect with -masm.
10740
10741 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
10742
10743         PR translation/79638
10744         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
10745
10746 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
10747
10748         PR ada/67205
10749         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
10750         (arm_function_ok_for_sibcall): Return false for an indirect call by
10751         descriptor if all the argument registers are used.
10752         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
10753         alignment of the function.
10754
10755 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
10756
10757         PR tree-optimization/61441
10758         * simplify-rtx.c (simplify_const_unary_operation): For
10759         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
10760         the sNaN unmodified.
10761
10762 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10763
10764         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
10765         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
10766         instead of SYSTEM_HEADER_DIR.
10767
10768 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
10769             Martin Liška  <mliska@suse.cz>
10770
10771         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
10772         Fix typos and grammar, use active voice, and clarify.
10773
10774 2017-02-20  Marek Polacek  <polacek@redhat.com>
10775
10776         PR middle-end/79537
10777         * gimplify.c (gimplify_expr): Handle unused *&&L;.
10778
10779         PR sanitizer/79558
10780         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
10781
10782 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
10783
10784         PR target/79568
10785         * config/i386/i386.c (ix86_expand_builtin): Handle
10786         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
10787         ix86_builtins_isa[fcode].isa as a requirement of those
10788         flags and any other flag in the bitmask.
10789         (ix86_init_mmx_sse_builtins): Use 0 instead of
10790         ~OPTION_MASK_ISA_64BIT as mask.
10791         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
10792         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
10793         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
10794         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
10795
10796 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
10797
10798         PR target/78012
10799         * lra-constraints.c (split_reg): Check requested split mode
10800         is supported by the register.
10801
10802 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
10803
10804         * lra-constraints.c (simplify_operand_subreg): Remove early
10805         return false.
10806
10807 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
10808
10809         PR target/78660
10810         * lra-constraints.c (curr_insn_transform): Tighten condition
10811         for converting SUBREG reloads from OP_OUT to OP_INOUT.
10812
10813 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
10814
10815         PR target/78660
10816         * lra-constraints.c (curr_insn_transform): Handle
10817         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
10818
10819 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
10820
10821         Revert:
10822         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
10823
10824         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
10825
10826 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
10827
10828         PR c++/69523
10829         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
10830         description.
10831
10832 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10833
10834         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
10835         for FMA_EXPR.
10836
10837 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
10838
10839         * final.c (last_columnnum, override_columnnum): New variables.
10840         (final_start_function): Set last_columnnum, pass it to begin_prologue
10841         hook and pass 0 to dwarf2out_begin_prologue.
10842         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
10843         to source_line debug hook.
10844         (notice_source_line): Compute last_columnnum and for debug_column_info
10845         return true on column changes.
10846         * debug.h (struct gcc_debug_hooks): Add column argument to
10847         source_line and begin_prologue hooks.
10848         (debug_nothing_int_charstar_int_bool): Remove prototype.
10849         (debug_nothing_int_int_charstar,
10850         debug_nothing_int_int_charstar_int_bool): New prototypes.
10851         (dwarf2out_begin_prologue): Add column argument.
10852         * debug.c (do_nothing_debug_hooks): Adjust source_line and
10853         begin_prologue hooks.
10854         (debug_nothing_int_charstar_int_bool): Remove.
10855         (debug_nothing_int_int_charstar,
10856         debug_nothing_int_int_charstar_int_bool): New functions.
10857         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
10858         through to dwarf2out_source_line.
10859         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
10860         (dwarf2out_source_line): Add column argument, emit it if requested.
10861         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
10862         arguments.
10863         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
10864         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
10865         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
10866         through to dwarf2out_begin_prologue.
10867         (vmsdbgout_source_line): Add column argument, pass it through to
10868         dwarf2out_source_line.
10869         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
10870         dbxout_source_line caller.
10871         (dbxout_source_line): Add column argument.
10872
10873         * common.opt (gno-column-info, gcolumn-info): New options.
10874         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
10875         (check_die): Also test for multiple DW_AT_decl_column attributes.
10876         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
10877         DW_AT_decl_column if requested.
10878         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
10879         if requested.
10880         (gen_variable_die): Likewise.
10881         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
10882         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
10883
10884         PR target/79569
10885         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
10886         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
10887         (ix86_handle_option): Handle OPT_m3dnowa.
10888         * doc/invoke.texi (-m3dnowa): Document.
10889         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
10890         -m3dnowa instead of -m3dnow -march=athlon.
10891
10892         PR target/79559
10893         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
10894         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
10895
10896 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10897
10898         PR target/79261
10899         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
10900         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
10901         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
10902         generator for vsx_xxpermdi_<mode>_be.
10903         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
10904         force big-endian semantics.
10905         (vsx_xxpermdi_<mode>_be): New define_expand with same
10906         implementation as previous version of vsx_xxpermdi_<mode>.
10907
10908 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
10909
10910         PR tree-optimization/79327
10911         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
10912         variable, its initialization and use.
10913
10914 2017-02-17  Julia Koval  <julia.koval@intel.com>
10915
10916         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
10917         (OPTION_MASK_ISA_PKU_UNSET): New.
10918         (ix86_handle_option): Handle -mrdpid.
10919         * config/i386/cpuid.h (bit_RDPID): New.
10920         * config/i386/driver-i386.c (host_detect_local_cpu):
10921         Detect RDPID feature.
10922         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
10923         * config/i386/i386-c.c (ix86_target_macros_internal):
10924         Handle RDPID flag.
10925         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
10926         (ix86_valid_target_attribute_inner_p): Add "rdpid".
10927         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
10928         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
10929         * config/i386/i386.md (define_insn "rdpid"): New.
10930         * config/i386/i386.opt Add -mrdpid.
10931         * config/i386/immintrin.h (_rdpid_u32): New.
10932
10933 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
10934
10935         PR rtl-optimization/79541
10936         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
10937         instead of transforming it into USE.
10938
10939 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
10940
10941         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
10942         If HONOR_SNANS (SFmode) force the input to a register.
10943         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
10944         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
10945         an frsp or similar insn.
10946
10947 2017-02-17  Martin Liska  <mliska@suse.cz>
10948
10949         PR rtl-optimization/79577
10950         * params.def (selsched-max-sched-times): Increase minimum to 1.
10951
10952 2017-02-17  Martin Liska  <mliska@suse.cz>
10953
10954         PR rtl-optimization/79574
10955         * gcse.c (want_to_gcse_p): Prevent integer overflow.
10956
10957 2017-02-17  Martin Liska  <mliska@suse.cz>
10958
10959         PR tree-optimization/79529
10960         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
10961         ssa_defined_default_def_p to handle cases which are implicitly
10962         defined.
10963         * tree-ssa.c (ssa_defined_default_def_p): New function.
10964         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
10965         which are implicitly defined.
10966         * tree-ssa.h (ssa_defined_default_def_p): Declare.
10967
10968 2017-02-17  Richard Biener  <rguenther@suse.de>
10969
10970         PR middle-end/79576
10971         * params.def (max-ssa-name-query-depth): Limit to 10.
10972
10973 2017-02-17  Richard Biener  <rguenther@suse.de>
10974
10975         PR tree-optimization/79552
10976         * tree-ssa-structalias.c (visit_loadstore): Properly verify
10977         default defs.
10978
10979 2017-02-17  Richard Biener  <rguenther@suse.de>
10980
10981         PR bootstrap/79567
10982         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
10983
10984 2017-02-17  Marek Polacek  <polacek@redhat.com>
10985
10986         PR middle-end/79536
10987         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
10988         (fold_negate_expr): New wrapper.
10989
10990 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
10991
10992         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]:
10993         Correct terminology and de-emphasize pre-standard behavior.
10994
10995 2017-02-16  Alan Modra  <amodra@gmail.com>
10996
10997         PR rtl-optimization/79286
10998         * ira.c (def_dominates_uses): New function.
10999         (update_equiv_regs): Don't create an equivalence for insns that
11000         may trap where the register def does not dominate the use.
11001
11002 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
11003
11004         PR rtl-optimization/78127
11005         * lra.c (lra): Call lra_eliminate before finish the loop after
11006         lra_constraint.
11007
11008 2017-02-16  Richard Biener  <rguenther@suse.de>
11009
11010         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
11011         isl/isl_val.h.
11012         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
11013         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
11014         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
11015         (isl_val_int_from_wi): New function.
11016         (extract_affine_gmp): Rename to ...
11017         (extract_affine_wi): ... this, take a widest_int.
11018         (extract_affine_int): Just wrap extract_affine_wi.
11019         (add_param_constraints): Use isl_val_int_from_wi.
11020         (add_loop_constraints): Likewise, and extract_affine_wi.
11021
11022 2017-02-15  Jeff Law  <law@redhat.com>
11023
11024         PR middle-end/79521
11025         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
11026         ira_init_register_move_cost_if_necessary.
11027
11028 2017-02-15  Martin Sebor  <msebor@redhat.com>
11029
11030         PR middle-end/32003
11031         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
11032         removed in a prior commit.
11033
11034 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
11035
11036         PR tree-optimization/79347
11037         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
11038         counters during peeling.
11039
11040 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
11041
11042         * Makefile.in (site.exp): Remove "set ISLVER".
11043
11044 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
11045
11046         PR target/79487
11047         * real.c (real_from_integer): Call real_convert even for decimal.
11048
11049 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
11050
11051         PR target/79421
11052         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
11053
11054 2017-02-14  Andrew Pinski  <apinski@cavium.com>
11055
11056         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
11057         cores and change the partno/implementer to be correct.
11058         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
11059         the 'B" as the implementer.
11060         * config/aarch64/aarch64-tune.md: Regenerate.
11061
11062 2017-02-14  Carl Love  <cel@us.ibm.com>
11063
11064         * config/rs6000/rs6000.c: Add case statement entry to make the
11065         xvcvuxdsp built-in argument unsigned.
11066         * config/rs6000/vsx.md: Fix the source and return operand types so they
11067         match the instruction definitions from the ISA document.  Fix typo
11068         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
11069         statement.
11070
11071 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
11072
11073         PR target/79282
11074         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
11075         member early_clobber_alts.
11076         * lra-lives.c (reg_early_clobber_p): New.
11077         (process_bb_lives): Use it.
11078         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
11079         (debug_operand_data): Initialize early_clobber_alts.
11080         (setup_operand_alternative): Set up early_clobber_alts.
11081         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
11082         alternatives to new_insn_reg.
11083         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
11084         it.
11085         (lra_update_insn_regno_info): Pass the new arg.
11086
11087 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
11088
11089         PR middle-end/79505
11090         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
11091         (new_oacc_loop_raw): Don't clear already cleared fields.
11092
11093         PR target/79481
11094         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
11095         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
11096         _mm512_prefetch_i64gather_ps): New inline functions and macros.
11097
11098 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
11099
11100         PR target/79495
11101         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
11102
11103 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
11104
11105         PR target/79498
11106         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
11107         the extra instruction to the right place to store 128-bit constant
11108         when needed.
11109
11110 2017-02-14  Martin Sebor  <msebor@redhat.com>
11111
11112         PR middle-end/79448
11113         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
11114           warning for strings of unknown length.
11115
11116 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
11117
11118         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
11119
11120 2017-02-14  Jeff Law  <law@redhat.com>
11121
11122         PR target/79404
11123         * ira-costs.c (scan_one_insn): Initialize register move costs
11124         for pseudos seen in USE/CLOBBER insns.
11125
11126         PR tree-optimization/79095
11127         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
11128         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
11129         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
11130         if the operands are known to be not equal, then the resulting range
11131         is ~[0,0].
11132         (intersect_ranges): If the new range is ~[0,0] and the old range is
11133         wide, then prefer ~[0,0].
11134         * tree-vrp.c (overflow_comparison_p_1): New function.
11135         (overflow_comparison_p): New function.
11136         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
11137         if NAME is used in an overflow test.
11138         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
11139         overflow check that can be expressed as an equality test, then adjust
11140         ops to be that equality test.
11141
11142 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11143
11144         * config/s390/s390-builtin-types.def: Remove flags argument.
11145         * config/s390/s390.c (s390_init_builtins): Likewise.
11146
11147 2017-02-14  Martin Liska  <mliska@suse.cz>
11148
11149         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
11150         vector.  Fix trailing white spaces.
11151
11152 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
11153
11154         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
11155         HFmode.
11156
11157 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11158
11159         PR rtl-optimization/68664
11160         * config/arm/arm.c (arm_sched_can_speculate_insn):
11161         New function.  Declare prototype.
11162         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
11163
11164 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11165
11166         PR rtl-optimization/68664
11167         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
11168         New function.
11169         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
11170
11171 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
11172
11173         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
11174         max skip bytes for function, loop and jump.
11175
11176 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
11177
11178         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
11179         ABS_EXPR for gimple dump.
11180
11181 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
11182
11183         PR target/79462
11184         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
11185
11186         PR tree-optimization/79408
11187         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
11188         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
11189         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
11190         also if rhs1 is INTEGER_CST.
11191
11192 2017-02-14  Richard Biener  <rguenther@suse.de>
11193
11194         PR middle-end/79432
11195         * tree-into-ssa.c (insert_phi_nodes): When the function can
11196         have abnormal edges rewrite SSA names with broken use-def
11197         dominance out of SSA and register them for PHI insertion.
11198
11199 2017-02-13  Martin Sebor  <msebor@redhat.com>
11200
11201         PR middle-end/79496
11202         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
11203         clearing info.nowrite flag when snprintf size argument is a range.
11204
11205 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
11206
11207         * cprop.c (cprop_jump): Add missing space in string literal.
11208         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
11209         (get_constraint_for_component_ref): Likewise.
11210         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
11211         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
11212         * lra-constraints.c (process_alt_operands): Likewise.
11213         * ipa-inline.c (inline_small_functions): Likewise.
11214         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
11215         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
11216         * trans-mem.c (diagnose_tm_1_op): Likewise.
11217         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
11218         (grid_parallel_clauses_gridifiable): Likewise.
11219
11220         * config/nvptx/mkoffload.c (process): Add space in between
11221         , and %d.
11222
11223         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
11224         "MOD4_SSE_REGS" and "ALL_REGS".
11225
11226         * spellcheck.c (test_data): Add , in between "foo" and "food".
11227
11228 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
11229
11230         PR target/79449
11231         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
11232         boundary crossing check and subsequent code generation agree.
11233
11234 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11235
11236         * config/aarch64/aarch64.c (has_memory_op): Delete.
11237         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
11238         has_memory_op.
11239
11240 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
11241
11242         PR rtl-optimization/79388
11243         PR rtl-optimization/79450
11244         * combine.c (distribute_notes): When removing TEM_INSN for which
11245         corresponding dest has last value recorded, invalidate that last
11246         value.
11247
11248 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11249
11250         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
11251         of explicit '@'.  Add missing assembly comment marker on branch costs
11252         printout.
11253
11254 2017-02-13  Nathan Sidwell  <nathan@acm.org>
11255
11256         * gengtype-lex.l (<in_struct>): Add '/'.
11257
11258 2017-02-13  Martin Liska  <mliska@suse.cz>
11259
11260         PR c/79471
11261         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
11262
11263 2017-02-13  Richard Biener  <rguenther@suse.de>
11264
11265         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
11266         Remove.
11267         * configure: Re-generate.
11268         * config.in: Likewise.
11269         * graphite-dependences.c: Simplify as if
11270         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
11271         * graphite-isl-ast-to-gimple.c: Likewise.
11272         * graphite-optimize-isl.c: Likewise.
11273         * graphite-poly.c: Likewise.
11274         * graphite-sese-to-poly.c: Likewise.
11275         * graphite.h: Likewise.
11276         * toplev.c: Include isl/version.h and use isl_version () for
11277         printing the ISL version.
11278         * doc/install.texi: Update ISL requirement.
11279
11280 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
11281
11282         * doc/standards.texi (Standards): Update reference to
11283         Objective-C 2.0.
11284
11285 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
11286
11287         * doc/extend.texi (Named Address Spaces): sourceware.org now
11288         defaults to https.
11289         * doc/install.texi (Binaries): Ditto.
11290         (Specific): Ditto.
11291
11292 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
11293
11294         * doc/cpp.texi: Replace "stringify"/"stringification" with C
11295         standard terminology "stringize"/"stringizing" throughout.
11296         * doc/cppinternals.texi: Likewise.
11297
11298 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
11299
11300         * doc/extend.texi: Fix some spelling mistakes and typos.
11301         * doc/invoke.texi: Likewise.
11302
11303 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
11304
11305         PR ipa/79224
11306         * params.def (inline-min-speedup) Change from 10 to 8.
11307
11308 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
11309
11310         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
11311         4.5.
11312
11313 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
11314
11315         PR ipa/79224
11316         * ipa-inline-analysis.c (get_minimal_bb): New function.
11317         (record_modified): Use it.
11318         (remap_edge_change_prob): Handle also ancestor functions.
11319
11320 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
11321
11322         * doc/contrib.texi (Contributors): Remove broken link into
11323         the Mauve CVS repository.
11324
11325 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
11326
11327         PR middle-end/79454
11328         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
11329         result computation whenever lhs doesn't have vector mode, not
11330         just when it has BLKmode.
11331
11332 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
11333
11334         * doc/makefile.texi (profiledbootstrap): Refer to the
11335         installation instructions only in textual form.
11336
11337 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
11338
11339         PR target/79295
11340         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
11341
11342 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
11343
11344         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
11345         (Specific): Update mingw-w64 reference.
11346         (Binaries): Ditto.
11347         (Specific): Remove broken link to Renesas RX processor.
11348
11349 2017-02-10  Richard Biener  <rguenther@suse.de>
11350
11351         * toplev.c (process_options): Do not mention obsolete graphite
11352         options when printing sorry message about missing graphite support.
11353         Mention -floop-nest-optimize.
11354
11355 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
11356
11357         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
11358         (vtst_p16): Likewise.
11359         (vtstq_p8): Likewise.
11360         (vtstq_p16): Likewise.
11361         (vtst_p64): New.
11362         (vtstq_p64): Likewise.
11363         * config/arm/arm_neon.h (vgetq_lane_p64): New.
11364         (vset_lane_p64): New.
11365         (vsetq_lane_p64): New.
11366
11367 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
11368
11369         PR tree-optimization/79411
11370         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
11371         stmt operands are SSA_NAMEs used in abnormal phis.
11372         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
11373         phis.
11374
11375 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
11376
11377         PR ipa/70795
11378         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
11379         flag if needed.
11380
11381 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
11382
11383         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
11384
11385 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
11386
11387         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
11388         to avoid warning.
11389
11390         PR c/79413
11391         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
11392         not arbitrary TREE_CONSTANT.
11393
11394         PR c/79431
11395         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
11396         "omp declare target link" attribute unless is_global_var.
11397         * omp-offload.c (find_link_var_op): Likewise.
11398
11399 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
11400             Chung-Lin Tang  <cltang@codesourcery.com>
11401
11402         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
11403         OMP_CLAUSE_TILE.
11404         (gimplify_adjust_omp_clauses): Don't delete TILE.
11405         (gimplify_omp_for): Deal with TILE.
11406         * internal-fn.c (expand_GOACC_TILE): New function.
11407         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
11408         (GOACC_TILE): New.
11409         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
11410         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
11411         element fields.
11412         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
11413         avoid DIV for outermost collapse var.
11414         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
11415         Remove out of date comments, fix whitespace.
11416         * omp-general.c (omp_extract_for_data): Deal with tiling.
11417         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
11418         adjust OLF_DIM_BASE value.
11419         (struct omp_for_data): Add tiling field.
11420         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
11421         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
11422         for auto loops.  Remove default auto determining, moved to
11423         oacc_loop_fixed_partitions.
11424         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
11425         stmts, add e_mask field.
11426         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
11427         (oacc_thread_numbers): Use oacc_dim_call.
11428         (oacc_xform_tile): New.
11429         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
11430         (finish_oacc_loop): Adjust for ifns vector.
11431         (oacc_loop_discover_walk): Append loop abstraction sites to list,
11432         add case for GOACC_TILE fns.
11433         (oacc_loop_xform_loop): Delete.
11434         (oacc_loop_process): Iterate over call list directly, and add
11435         handling for GOACC_TILE fns.
11436         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
11437         dump partitioning.
11438         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
11439         vector partitioning to outer loops.  Assign 2 partitions to loops
11440         when available. Add TILE handling.
11441         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
11442         (execite_oacc_device_lower): Process GOACC_TILE fns,
11443         ignore unknown specs.
11444         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
11445         * tree.c (omp_clause_num_ops): Adjust TILE ops.
11446         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
11447
11448 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
11449
11450         * configure.ac (ACX_BUGURL): Update.
11451         * configure: Regenerate.
11452
11453 2017-02-09  Richard Biener  <rguenther@suse.de>
11454
11455         PR tree-optimization/69823
11456         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
11457         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
11458
11459 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
11460
11461         * config/arc/arc-c.def: Add __NPS400__ definition.
11462         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
11463         (TARGET_NPS400): Define.
11464
11465 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
11466
11467         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
11468         file.
11469         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
11470         pointer, arch_info.
11471         (arc_cpu_types): Fill the arch_info field with a pointer into the
11472         arc_arch_types table.
11473         (arc_selected_cpu): Declare.
11474         * config/arc/arc.c (arc_selected_cpu): Make global.
11475         (arc_selected_arch): Delete.
11476         (arc_base_cpu): Delete.
11477         (arc_override_options): Remove references to deleted variables,
11478         update access to arch information.
11479         (ARC_OPT): Update access to arch information.
11480         (ARC_OPTX): Likewise.
11481         * config/arc/arc.h (arc_base_cpu): Remove declaration.
11482         (TARGET_ARC600): Update access to arch information.
11483         (TARGET_ARC601): Likewise.
11484         (TARGET_ARC700): Likewise.
11485         (TARGET_EM): Likewise.
11486         (TARGET_HS): Likewise.
11487         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
11488         information.
11489
11490 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
11491
11492         PR target/78604
11493         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
11494         condition/operands for integer GE/LE/GEU/LEU operations.
11495
11496 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
11497
11498         PR translation/79397
11499         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
11500         of AltiVec.
11501
11502 2017-02-08  Martin Jambor  <mjambor@suse.cz>
11503
11504         PR ipa/79375
11505         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
11506         whether allocation happened.
11507         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
11508         nothing was allocated.
11509
11510 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
11511
11512         PR tree-optimization/79408
11513         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
11514         constant, but SSA_NAME with a known integer range, use the minimum
11515         of that range instead of op1 to determine if modulo can be replaced
11516         with its first operand.
11517
11518 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11519
11520         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
11521
11522 2017-02-08  Richard Biener  <rguenther@suse.de>
11523
11524         PR tree-optimization/71824
11525         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
11526         Check all loops contained in the merged region.
11527
11528 2017-02-07  Andrew Pinski  <apinski@cavium.com>
11529
11530         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
11531
11532 2017-02-07  Andrew Pinski  <apinski@cavium.com>
11533
11534         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
11535         (thunderxt88): Likewise.
11536         (thunderxt81): Disable LSE and change v8.1 to v8.
11537         (thunderxt83): Likewise.
11538
11539 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
11540             Richard Biener  <rguenther@suse.de>
11541
11542         PR middle-end/79399
11543         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
11544         type from int to size_t.
11545         * ira-costs.c (struct_costs_size): Change type from int to size_t.
11546
11547 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
11548
11549         PR rtl-optimization/79386
11550         * cprop.c (bypass_conditional_jumps): Initialize
11551         bypass_last_basic_block already before splitting bbs after
11552         unconditional traps...
11553         (bypass_conditional_jumps): ... rather than here.
11554
11555         PR target/79299
11556         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
11557         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
11558         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
11559         fix -masm=intel patterns.
11560
11561 2017-02-07  Richard Biener  <rguenther@suse.de>
11562
11563         PR tree-optimization/79256
11564         PR middle-end/79278
11565         * builtins.c (get_object_alignment_2): Use min_align_of_type
11566         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
11567         and ADJUST_FIELD_ALIGN.
11568
11569         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
11570         type parameter.
11571         * doc/tm.texi: Regenerate.
11572         * stor-layout.c (layout_decl): Adjust.
11573         (update_alignment_for_field): Likewise.
11574         (place_field): Likewise.
11575         (min_align_of_type): Likewise.
11576         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
11577         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
11578         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
11579         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
11580         * config/frv/frv.c (frv_adjust_field_align): Likewise.
11581         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
11582         * config/i386/i386.c (x86_field_alignment): Likewise.
11583         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
11584         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
11585         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
11586         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
11587         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
11588         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
11589          Likewise.
11590
11591         Revert
11592         2017-01-30  Richard Biener  <rguenther@suse.de>
11593
11594         PR tree-optimization/79256
11595         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
11596         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
11597         alignment on TYPE.
11598
11599 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
11600
11601         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
11602         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
11603         builtins to SImode and emit a zero-extend, if necessary.
11604
11605 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
11606
11607         * docs/invoke.texi (RISC-V Options): Alphabetize.
11608
11609 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
11610
11611         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
11612         options.
11613
11614 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
11615
11616         * config/riscv/riscv.c: New file.
11617         * gcc/common/config/riscv/riscv-common.c: Likewise.
11618         * config.gcc: Likewise.
11619         * config/riscv/constraints.md: Likewise.
11620         * config/riscv/elf.h: Likewise.
11621         * config/riscv/generic.md: Likewise.
11622         * config/riscv/linux.h: Likewise.
11623         * config/riscv/multilib-generator: Likewise.
11624         * config/riscv/peephole.md: Likewise.
11625         * config/riscv/pic.md: Likewise.
11626         * config/riscv/predicates.md: Likewise.
11627         * config/riscv/riscv-builtins.c: Likewise.
11628         * config/riscv/riscv-c.c: Likewise.
11629         * config/riscv/riscv-ftypes.def: Likewise.
11630         * config/riscv/riscv-modes.def: Likewise.
11631         * config/riscv/riscv-opts.h: Likewise.
11632         * config/riscv/riscv-protos.h: Likewise.
11633         * config/riscv/riscv.h: Likewise.
11634         * config/riscv/riscv.md: Likewise.
11635         * config/riscv/riscv.opt: Likewise.
11636         * config/riscv/sync.md: Likewise.
11637         * config/riscv/t-elf-multilib: Likewise.
11638         * config/riscv/t-linux: Likewise.
11639         * config/riscv/t-linux-multilib: Likewise.
11640         * config/riscv/t-riscv: Likewise.
11641         * configure.ac: Likewise.
11642         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
11643         Waterman as RISC-V maintainers.
11644         * doc/install.texi: Add RISC-V entries.
11645         * doc/invoke.texi: Add RISC-V options section.
11646         * doc/md.texi: Add RISC-V constraints section.
11647         * configure: Regenerated.
11648
11649 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
11650
11651         PR target/66144
11652         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
11653         false values to be constant vectors with all 0 or all 1 bits set.
11654         (vcondu<mode><mode>): Likewise.
11655         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
11656         predicate.
11657         (fpmask_comparison_operator): Update comment.
11658         (vecint_comparison_operator): New predicate.
11659         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
11660         vector conditionals when the true and false values are constant
11661         vectors with all 0 bits or all 1 bits set.
11662
11663 2017-02-06  Martin Sebor  <msebor@redhat.com>
11664
11665         PR  tree-optimization/79376
11666         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
11667
11668 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
11669
11670         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
11671         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
11672         to simplify split condition.
11673
11674 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
11675
11676         * omp-expand.c (oxpand_omp_atomic_fetch_op,
11677         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
11678         false.
11679
11680 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
11681
11682         PR rtl-optimization/68664
11683         * target.def (can_speculate_insn): New hook.
11684         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
11685         * doc/tm.texi: Regenerate.
11686         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
11687         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
11688         (rs6000_sched_can_speculate_insn): New function.
11689
11690 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
11691
11692         PR tree-optimization/79284
11693         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
11694         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
11695         vectorizable_mask_load_store, vectorizable_operation,
11696         vect_is_simple_cond, get_same_sized_vectype): Use it instead
11697         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
11698         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
11699         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
11700         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
11701         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
11702         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
11703         is_gimple_assign (stmt).  Replace another such test with
11704         is_gimple_assign (stmt).
11705
11706 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
11707
11708         PR target/78883
11709         * config/avr/avr.c (rtl-iter.h): Include it.
11710         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
11711         (avr_legitimate_combined_insn): ...and implementation.
11712
11713 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
11714
11715         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
11716         * config/s390/s390.c (s390_const_operand_ok)
11717         (s390_canonicalize_comparison, s390_extract_part)
11718         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
11719         (s390_contiguous_bitmask_p, s390_rtx_costs)
11720         (legitimize_pic_address): Likewise.
11721         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
11722         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
11723         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
11724         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
11725         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
11726
11727 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
11728
11729         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
11730         REGNO($0) == REGNO($1).
11731
11732 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11733
11734         * config/s390/linux.h(SIZE_TYPE): Add comment.
11735
11736 2017-02-06  Julian Brown  <julian@codesourcery.com>
11737             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
11738             Virendra Pathak  <virendra.pathak@broadcom.com>
11739
11740         * config/aarch64/aarch64-cores.def: Change the scheduler
11741         to Thunderx2t99.
11742         * config/aarch64/aarch64.md: Include thunderx2t99.md.
11743         * config/aarch64/thunderx2t99.md: New file.
11744
11745 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
11746
11747         * doc/standards.texi (Go Language): Update link to language
11748         standard.
11749
11750 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
11751
11752         * tree-eh.c (lower_resx): Sanitize profile.
11753         (cleanup_empty_eh_move_lp): Likewise.
11754
11755 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
11756
11757         PR tree-ssa/79347
11758         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
11759         ELSE_PROB.
11760         * cfgloopmanip.h (loop_version): Update prototype.
11761         * modulo-sched.c (sms_schedule): Update call of loop_version.
11762         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
11763         * tree-parloops.c (gen_parallel_loop): Likewise.
11764         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
11765         * tree-ssa-loop-split.c (split_loop): Likewise.
11766         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
11767         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
11768
11769 2017-02-05  Martin Liska  <mliska@suse.cz>
11770
11771         PR bootstrap/78985
11772         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
11773         variable to NULL.
11774         (print_operand_address): Initialize a struct to zero.
11775
11776 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
11777
11778         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
11779         garbage collector only in textual form.
11780
11781 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
11782
11783         * doc/extend.texi (x86 specific memory model extensions for
11784         transactional memory): Simplify a phrase.
11785
11786 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
11787
11788         PR target/79353
11789         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
11790         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
11791         (atomic_storedi_1): Likewise.
11792
11793 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
11794
11795         PR tree-optimization/79338
11796         * tree-parloops.c (gather_scalar_reductions): Don't call
11797         vect_analyze_loop_form for loop->inner before destroying loop's
11798         loop_vinfo.
11799
11800 2017-02-03  Martin Sebor  <msebor@redhat.com>
11801
11802         PR tree-optimization/79327
11803         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
11804         when precision has resulted in leading zeros.
11805         (format_integer): Adjust the likely counter to assume an unknown
11806         argument that may be zero is non-zero.
11807
11808 2017-02-03  Jason Merrill  <jason@redhat.com>
11809
11810         PR c++/78689
11811         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
11812         avoid copying non-taken branch.
11813
11814 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
11815
11816         PR tree-optimization/79340
11817         * tree-vect-loop.c (vectorizable_reduction): Release
11818         vec_defs elements after safe_splicing them into other vectors.
11819         Formatting fixes.
11820
11821         PR tree-optimization/79327
11822         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
11823         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
11824         dirtype.
11825         (format_integer): Use wide_int_to_tree instead of build_int_cst
11826         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
11827         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
11828         of shortest and longest sequence.
11829
11830 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
11831
11832         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
11833         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
11834
11835 2017-02-03  Walter Lee  <walt@tilera.com>
11836
11837         PR target/78862
11838         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
11839         after initial stackframe link reg save.
11840         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
11841
11842 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
11843
11844         PR target/79354
11845         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
11846         wu for stxssp alternative.
11847
11848 2017-02-03  Martin Sebor  <msebor@redhat.com>
11849
11850         PR tree-optimization/79352
11851         * gimple-fold.c (get_range_strlen): Add argument.
11852         (get_range_strlen): Change return type to bool.
11853         (get_maxval_strlen): Pass in a dummy argument.
11854         * gimple-fold.h (get_range_strlen): Change return type to bool.
11855         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
11856         * tree.h (array_at_struct_end_p): Add argument.
11857         * tree.c (array_at_struct_end_p): Handle it.
11858
11859 2017-02-03  Martin Liska  <mliska@suse.cz>
11860
11861         PR lto/66295
11862         * multiple_target.c (create_dispatcher_calls): Redirect edge
11863         from a caller of a dispatcher.
11864         (expand_target_clones): Make the clones local.
11865         (ipa_target_clone): Do both target clones and resolvers.
11866         (ipa_dispatcher_calls): Remove the pass.
11867         (pass_dispatcher_calls::gate): Likewise.
11868         (make_pass_dispatcher_calls): Likewise.
11869         * passes.def (pass_target_clone): Put as very first IPA early
11870         pass.
11871
11872 2017-02-03  Martin Liska  <mliska@suse.cz>
11873
11874         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
11875         in case of a function with ifunc attribute.
11876
11877 2017-02-03  Martin Liska  <mliska@suse.cz>
11878
11879         * cgraph.c (cgraph_node::dump): Dump function version info.
11880         * symtab.c (symtab_node::dump_base): Add missing new line.
11881
11882 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
11883
11884         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
11885         (ifcombine_ifandif): Use it.
11886
11887 2017-02-03  Martin Liska  <mliska@suse.cz>
11888
11889         * doc/invoke.texi: Document default value for
11890         use-after-scope-direct-emission-threshold.
11891
11892 2017-02-03  Martin Liska  <mliska@suse.cz>
11893
11894         PR tree-optimization/79339
11895         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
11896         (format_floating): Likewise.
11897
11898 2017-02-03  Martin Liska  <mliska@suse.cz>
11899
11900         PR ipa/79337
11901         * ipa-prop.c (ipa_node_params_t::insert): Remove current
11902         implementation.
11903         (ipa_node_params_t::remove): Likewise.
11904         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
11905         initialization from removed ipa_node_params_t::insert.
11906         (ipa_node_params::~ipa_node_params): Move from removed
11907         ipa_node_params_t::release.
11908         * symbol-summary.h (symbol_summary::m_released): New member.
11909         Do not release a summary twice.  Do not allow to call finalizer
11910         for types of a summary that live in GGC memory.
11911
11912 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
11913
11914         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
11915         cmp_branch fusion.
11916
11917 2017-02-02  Martin Sebor  <msebor@redhat.com>
11918
11919         PR middle-end/79275
11920         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
11921         (format_string): Tighten up the range of output for non-constant
11922         strings and correct the expected range for wide non-constant strings.
11923
11924 2017-02-02  Martin Sebor  <msebor@redhat.com>
11925
11926         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
11927
11928         PR middle-end/32003
11929         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
11930         index.
11931         (-fdump-tree-@var): Add to index and document how to come up
11932         with pass-specific option and dump file names.
11933         (-fdump-passes): Clarify where to look for output.
11934
11935 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
11936
11937         PR middle-end/77445
11938         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
11939         statistics of the analyzed path; allow threading for speed when
11940         any of BBs along the path are optimized for speed.
11941
11942 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
11943
11944         PR middle-end/78468
11945         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
11946         settings of the virtual registers.
11947
11948         Revert again
11949         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
11950
11951         * explow.c (get_dynamic_stack_size): Take known alignment of stack
11952         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
11953         needed.
11954
11955 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11956
11957         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
11958         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
11959
11960 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11961
11962         * config/s390/s390.md: Add missing comments with the expanded
11963         mnemonics.
11964         * config/s390/vector.md: Likewise.
11965         * config/s390/vx-builtins.md: Likewise.
11966
11967 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
11968
11969         PR target/79197
11970         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
11971         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
11972         conditions on a single line.
11973
11974 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11975
11976         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
11977         __S390_VX__ to __VX__.
11978
11979 2017-02-01  Andrew Pinski  <apinski@cavium.com>
11980
11981         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
11982         stmt_info to record_stmt_cost.
11983         (vect_get_known_peeling_cost): Pass stmt_info if known to
11984         record_stmt_cost.
11985         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
11986         cpu_vector_cost field into
11987         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
11988         field into vec_int_stmt_cost and vec_fp_stmt_cost.
11989         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
11990         splitting of scalar_stmt_cost and vec_stmt_cost.
11991         (thunderx_vector_cost): Likewise.
11992         (cortexa57_vector_cost): LIkewise.
11993         (exynosm1_vector_cost): Likewise.
11994         (xgene1_vector_cost): Likewise.
11995         (thunderx2t99_vector_cost): Improve after the splitting of the two
11996         fields.
11997         (aarch64_builtin_vectorization_cost): Update for the splitting of
11998         scalar_stmt_cost and vec_stmt_cost.
11999
12000 2017-02-01  Torvald Riegel  <triegel@redhat.com>
12001             Richard Henderson  <rth@redhat.com>
12002
12003         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
12004         conditional on existance of a fast atomic load.
12005         * optabs-query.c (can_atomic_load_p): New function.
12006         * optabs-query.h (can_atomic_load_p): Declare it.
12007         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
12008         no fast atomic load is available for the particular size of access.
12009         (expand_atomic_compare_and_swap): Likewise.
12010         (expand_atomic_load): Likewise.
12011         (expand_atomic_store): Likewise.
12012         (expand_atomic_fetch_op): Likewise.
12013         * testsuite/lib/target-supports.exp
12014         (check_effective_target_sync_int_128): Remove x86 because it provides
12015         no fast atomic load.
12016         (check_effective_target_sync_int_128_runtime): Likewise.
12017
12018 2017-02-01  Richard Biener  <rguenther@suse.de>
12019
12020         * graphite.c: Include tree-vectorizer.h for find_loop_location.
12021         (graphite_transform_loops): Provide opt-info for optimized nests.
12022         * tree-parloop.c (parallelize_loops): Provide opt-info for
12023         parallelized loops.
12024
12025 2017-02-01  Richard Biener  <rguenther@suse.de>
12026
12027         PR middle-end/79315
12028         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
12029         was not set before.
12030
12031 2017-02-01  Richard Biener  <rguenther@suse.de>
12032
12033         PR tree-optimization/71824
12034         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
12035         Verify the loops are valid in the merged SESE region.
12036         (scop_detection::can_represent_loop_1): Check analyzing the
12037         evolution of the number of iterations in the region succeeds.
12038
12039 2017-01-31  Ian Lance Taylor  <iant@golang.org>
12040
12041         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
12042         REG_ARGS_SIZE note to 32-bit push insns and call insn.
12043
12044 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
12045
12046         PR preprocessor/79210
12047         * input.c (get_substring_ranges_for_loc): Replace line_width
12048         assertion with error-handling.
12049
12050 2017-01-31  Richard Biener  <rguenther@suse.de>
12051
12052         PR tree-optimization/77318
12053         * graphite-sese-to-poly.c (extract_affine): Fix assert.
12054         (create_pw_aff_from_tree): Take loop parameter.
12055         (add_condition_to_pbb): Pass loop of the condition to
12056         create_pw_aff_from_tree.
12057
12058 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
12059
12060         * config/s390/s390.c (s390_asan_shadow_offset): New function.
12061         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
12062
12063 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
12064
12065         PR target/78597
12066         PR target/79038
12067         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
12068         no longer used.
12069         (convert_int_to_float128): Likewise.
12070         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
12071         (convert_int_to_float128): Likewise.
12072         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
12073         (UNSPEC_IEEE128_CONVERT): Likewise.
12074         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
12075         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
12076         Use local variables for IBM extended format.
12077         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
12078         (fix_trunc<mode>si2_fprs): Likewise.
12079         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
12080         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
12081         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
12082         to know that we can now have integers of all sizes in vector
12083         registers.
12084         (fix<uns>_<mode>di2_hw): Likewise.
12085         (float<uns>_<mode>si2_hw): Likewise.
12086         (fix_<mode>si2_hw): Likewise.
12087         (fixuns_<mode>si2_hw): Likewise.
12088         (float<uns>_<mode>di2_hw): Likewise.
12089         (float_<mode>di2_hw): Likewise.
12090         (float_<mode>si2_hw): Likewise.
12091         (floatuns_<mode>di2_hw): Likewise.
12092         (floatuns_<mode>si2_hw): Likewise.
12093         (xscvqp<su>wz_<mode>): Delete, no longer used.
12094         (xscvqp<su>dz_<mode>): Likewise.
12095         (xscv<su>dqp_<mode>): Likewise.
12096         (ieee128_mfvsrd_64bit): Likewise.
12097         (ieee128_mfvsrd_32bit): Likewise.
12098         (ieee128_mfvsrwz): Likewise.
12099         (ieee128_mtvsrw): Likewise.
12100         (ieee128_mtvsrd_64bit): Likewise.
12101         (ieee128_mtvsrd_32bit): Likewise.
12102
12103 2017-01-31  Martin Liska  <mliska@suse.cz>
12104
12105         PR ipa/79285
12106         * ipa-prop.c (ipa_free_all_node_params): Call release method
12107         instead of ~sumbol_summary to not to trigger double times
12108         dtor of hash_map.
12109
12110 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
12111
12112         PR tree-optimization/71691
12113         * bitmap.h (class auto_bitmap): New.
12114         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
12115         is_maybe_undefined instead of ssa_undefined_value_p.
12116
12117 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12118
12119         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
12120         __S390_ARCH_LEVEL__ to __ARCH__.
12121
12122 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
12123
12124         PR tree-optimization/79267
12125         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
12126         if should_remove_lhs_p is true.
12127
12128 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
12129
12130         PR debug/63238
12131         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
12132         (add_alignment_attribute): New.
12133         (base_type_die): Add alignment attribute.
12134         (subrange_type_die): Likewise.
12135         (modified_type_die): Likewise.
12136         (gen_array_type_die): Likewise.
12137         (gen_descr_array_type_die: Likewise.
12138         (gen_enumeration_type_die): Likewise.
12139         (gen_subprogram_die): Likewise.
12140         (gen_variable_die): Likewise.
12141         (gen_field_die): Likewise.
12142         (gen_ptr_to_mbr_type_die): Likewise.
12143         (gen_struct_or_union_type_die): Likewise.
12144         (gen_subroutine_type_die): Likewise.
12145         (gen_typedef_die): Likewise.
12146         (base_type_cmp): Compare alignment attribute.
12147
12148 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
12149
12150         PR target/79170
12151         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
12152         (setb_unsigned) New pattern for setb with CCUNS.
12153         * config/rs6000/rs6000.c (expand_block_compare): Use a different
12154         subfc./subfe sequence to avoid overflow problems.  Generate a
12155         shorter sequence with cmpld/setb for power9.
12156         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
12157         for generating subfc. instruction.
12158         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
12159         now uses this instruction.
12160
12161 2017-01-30  Ian Lance Taylor  <iant@google.com>
12162
12163         PR debug/79289
12164         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
12165         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
12166
12167 2017-01-30  Martin Sebor  <msebor@redhat.com>
12168
12169         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
12170         Move constant to the right of a relational operator.
12171         (get_mpfr_format_length, format_character, format_string): Ditto.
12172         (should_warn_p, maybe_warn): Same.
12173
12174         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
12175
12176 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
12177
12178         PR lto/79061
12179         * asan.c (get_translation_unit_decl): Remove function.
12180         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
12181
12182 2017-01-30  Martin Liska  <mliska@suse.cz>
12183
12184         PR gcov-profile/79259
12185         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
12186         -fprofile-generate.
12187
12188 2017-01-30  Martin Liska  <mliska@suse.cz>
12189
12190         PR bootstrap/78985
12191         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
12192         Initialize variables with NULL value.
12193
12194 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
12195
12196         PR target/79260
12197         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
12198         tm_p_file.
12199         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
12200
12201 2017-01-30  Richard Biener  <rguenther@suse.de>
12202
12203         PR tree-optimization/79276
12204         * tree-vrp.c (process_assert_insertions): Properly adjust common
12205         when removing a duplicate.
12206
12207         * gcc.dg/torture/pr79276.c: New testcase.
12208
12209 2017-01-30  Richard Biener  <rguenther@suse.de>
12210
12211         PR tree-optimization/79256
12212         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
12213         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
12214         alignment on TYPE.
12215         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
12216
12217 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12218
12219         PR target/79240
12220         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
12221         ("*r<noxa>sbg_<mode>_sll_bitmask")
12222         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
12223         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
12224         Use contiguous_bitmask_nowrap_operand.
12225
12226 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12227
12228         PR target/79268
12229         * config/rs6000/altivec.h (vec_xl): Revise #define.
12230         (vec_xst): Likewise.
12231
12232 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
12233
12234         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
12235
12236 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
12237
12238         PR rtl-optimization/79194
12239         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
12240         traps before call to bypass_conditional_jumps.
12241
12242 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
12243
12244         PR tree-optimization/71374
12245         * lra-constraints.c (check_conflict_input_operands): New.
12246         (match_reload): Use it.
12247
12248 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
12249
12250         PR target/79131
12251         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
12252         account to calculate conflict_set.
12253
12254 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
12255
12256         PR rtl-optimization/78559
12257         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
12258         other_insn in combine.
12259
12260 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
12261
12262         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
12263         uint16_type_node for BT_UINT16.
12264
12265 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
12266
12267         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
12268         "RTL Tests" to menu.
12269         (GIMPLE Tests): New node.
12270         (RTL Tests): New node.
12271
12272 2017-01-27  Richard Biener  <rguenther@suse.de>
12273
12274         PR tree-optimization/79245
12275         * tree-loop-distribution.c (distribute_loop): Apply cost
12276         modeling also to detected patterns.
12277
12278 2017-01-27  Richard Biener  <rguenther@suse.de>
12279
12280         PR tree-optimization/71433
12281         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
12282         (compare_assert_loc): New function.
12283         (process_assert_insertions): Sort and optimize assert locations
12284         to remove duplicates and push down identical assertions on
12285         edges to their destination block.
12286
12287 2017-01-27  Richard Biener  <rguenther@suse.de>
12288
12289         PR tree-optimization/79244
12290         * tree-vrp.c (remove_range_assertions): Forcefully propagate
12291         out SSA names even if abnormal.
12292
12293 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
12294
12295         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
12296         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
12297         instead of MPFR_RNDN.
12298
12299 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
12300
12301         PR target/79239
12302         * arm.c (arm_option_override): Don't call build_target_option_node
12303         until after doing all option overrides.
12304         (arm_valid_target_attribute_tree): Likewise.
12305
12306 2017-01-27  Martin Liska  <mliska@suse.cz>
12307
12308         * doc/invoke.texi (-fprofile-arcs): Document profiling support
12309         for {cd}tors and C++ {cd}tors.
12310
12311 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12312
12313         * config/s390/s390.md ("*setmem_long_and")
12314         ("*setmem_long_and_31z"): Use zero_extend instead of and.
12315
12316 2017-01-26  Martin Sebor  <msebor@redhat.com>
12317
12318         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
12319         of precision.
12320
12321 2017-01-26  Martin Sebor  <msebor@redhat.com>
12322
12323         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
12324         HAVE_DFmode before using XFmode or DFmode.
12325         (parse_directive): Avoid using the z length modifier to avoid
12326         the ISO C++98 does not support the ‘z’ gnu_printf length modifier.
12327
12328         PR middle-end/78703
12329         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
12330         to accept adjustment as an array.
12331         (get_int_range): New function.
12332         (struct directive): Make width and prec arrays.
12333         (directive::set_width, directive::set_precision): Call get_int_range.
12334         (format_integer, format_floating): Handle width and precision ranges.
12335         (format_string, parse_directive): Same.
12336
12337 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
12338
12339         PR debug/79129
12340         * dwarf2out.c (generate_skeleton_bottom_up): For children with
12341         comdat_type_p set, just clone them, but keep the children in the
12342         original DIE.
12343
12344         PR debug/78835
12345         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
12346         which have direct callers with -fvar-tracking-assignments enabled
12347         in the current TU.
12348         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
12349         inside of type units.
12350
12351 2017-01-26  Martin Sebor  <msebor@redhat.com>
12352
12353         PR middle-end/78703
12354         * gimple-ssa-sprintf.c (struct result_range): Add likely and
12355         unlikely counters.
12356         (struct format_result): Replace number_chars, number_chars_min,
12357         and number_chars_max with a single member of struct result_range.
12358         Remove bounded.
12359         (format_result::operator+=): Adjust.
12360         (struct fmtresult): Remove bounded.  Handle likely and unlikely
12361         counters.
12362         (fmtresult::adjust_for_width_or_precision): New function.
12363         (fmtresult:type_max_digits): New function.
12364         (bytes_remaining): Handle likely and unlikely counters.
12365         (min_bytes_remaining): Remove.
12366         (format_percent): Simplify.
12367         (format_integer, format_floating): Set likely and unlikely counters.
12368         (get_string_length, format_character, format_string): Same.
12369         (format_plain, should_warn_p): New function.
12370         (maybe_warn): Call should_warn_p.  Update diagnostic messages
12371         and handle those for all directives, including plain strings.
12372         (format_directive): Handle likely and unlikely counters.
12373         Remove unnecessary quoting from diagnostics.  Add an informational
12374         note.
12375         (add_bytes): Remove.
12376         (pass_sprintf_length::compute_format_length): Simplify.
12377         (try_substitute_return_value): Handle likely and unlikely counters.
12378
12379 2017-01-26  Carl Love  <cel@us.ibm.com>
12380
12381         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
12382         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
12383
12384 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
12385
12386         PR target/79131
12387         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
12388         endianess for subregs into account.
12389         * lra-constraints.c (lra_constraints): Do risky transformations
12390         always on the first iteration.
12391         * lra-lives.c (check_pseudos_live_through_calls): Add arg
12392         last_call_used_reg_set.
12393         (process_bb_lives): Define and use last_call_used_reg_set.
12394         * lra.c (lra): Always continue after lra_constraints on the first
12395         iteration.
12396
12397 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
12398
12399         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
12400         constant.
12401         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
12402
12403 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
12404
12405         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
12406         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
12407         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
12408         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
12409         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
12410         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
12411         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
12412         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
12413         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
12414
12415 2017-01-26  Marek Polacek  <polacek@redhat.com>
12416
12417         PR c/79199
12418         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
12419         for the third operand.
12420
12421 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
12422
12423         PR middle-end/79236
12424         * omp-low.c (struct omp_context): Add simt_stmt field.
12425         (scan_omp_for): Return omp_context *.
12426         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
12427         context to the _simt_ SIMD stmt.
12428         (lower_omp_for): For combined SIMD with sibling _simt_
12429         SIMD, make sure to use the same decls in _looptemp_
12430         clauses as in the sibling.
12431
12432 2017-01-26  David Sherwood  <david.sherwood@arm.com>
12433
12434         PR middle-end/79212
12435         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
12436         all contexts.
12437
12438 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
12439
12440         PR target/70465
12441         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
12442         emit fld b; fld a; if possible.
12443
12444         * brig-builtins.def: Update copyright years.
12445         * config/arm/arm_acle_builtins.def: Update copyright years.
12446
12447 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
12448
12449         PR target/79179
12450         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
12451         constraint instead of o for the stxsd instruction.
12452
12453 2017-01-25  Carl Love  <cel@us.ibm.com>
12454
12455         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
12456         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
12457
12458 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
12459
12460         * doc/invoke.texi (C++ Dialect Options): Fix typo.
12461
12462 2017-01-25  Richard Biener  <rguenther@suse.de>
12463
12464         PR tree-optimization/69264
12465         * target.def (vector_alignment_reachable): Improve documentation.
12466         * doc/tm.texi: Regenerate.
12467         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
12468         and add a comment.
12469         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
12470         earlier changes with respect to TYPE_USER_ALIGN.
12471         (vector_alignment_reachable_p): Likewise.  Improve dumping.
12472
12473 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12474
12475         PR target/79145
12476         * config/arm/arm.md (xordi3): Force constant operand into a register
12477         for TARGET_IWMMXT.
12478
12479 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12480
12481         * doc/invoke.texi (-fstore-merging): Correct default optimization
12482         levels at which it is enabled.
12483         (-O): Move -fstore-merging from list to...
12484         (-O2): ... Here.
12485
12486 2017-01-25  Richard Biener  <rguenther@suse.de>
12487
12488         PR debug/78363
12489         * omp-expand.c: Include debug.h.
12490         (expand_omp_taskreg): Make sure to generate early debug before
12491         outlining anything from a function.
12492         (expand_omp_target): Likewise.
12493         (grid_expand_target_grid_body): Likewise.
12494
12495 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
12496
12497         PR lto/79061
12498         * asan.c (get_translation_unit_decl): New function.
12499         (asan_add_global): Extract modules file name from globals
12500         TRANSLATION_UNIT_DECL name.
12501
12502 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
12503
12504         PR target/77439
12505         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
12506         for long calls with APCS frame and VFP.
12507
12508 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
12509
12510         * cfg.c (original_copy_tables_initialized_p): New function.
12511         * cfg.h (original_copy_tables_initialized_p): New decl.
12512         * cfgrtl.c (relink_block_chain): Guard the call to
12513         free_original_copy_tables with a call to
12514         original_copy_tables_initialized_p.
12515         * cgraph.h (symtab_node::native_rtl_p): New decl.
12516         * cgraphunit.c (symtab_node::native_rtl_p): New function.
12517         (symtab_node::needed_p): Don't assert for early assembly output
12518         for __RTL functions.
12519         (cgraph_node::finalize_function): Set "force_output" for __RTL
12520         functions.
12521         (cgraph_node::analyze): Bail out early for __RTL functions.
12522         (analyze_functions): Update assertion to support __RTL functions.
12523         (cgraph_node::expand): Bail out early for __RTL functions.
12524         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
12525         __RTL functions.
12526         * function.h (struct function): Update comment for field
12527         "pass_startwith".
12528         * gimple-expr.c: Include "tree-pass.h".
12529         (gimple_has_body_p): Return false for __RTL functions.
12530         * Makefile.in (OBJS): Add run-rtl-passes.o.
12531         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
12532         accessor.
12533         (gcc::pass_manager::get_clean_slate): New accessor.
12534         * passes.c: Include "insn-addr.h".
12535         (should_skip_pass_p): Add logging.  Update logic for running
12536         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
12537         property-provider override so it is only done for gimple passes.
12538         Don't skip dfinit.
12539         (skip_pass): New function.
12540         (execute_one_pass): Call skip_pass when skipping passes.
12541         * read-md.c (md_reader::read_char): Support filtering
12542         the input to a subset of line numbers.
12543         (md_reader::md_reader): Initialize fields
12544         m_first_line and m_last_line.
12545         (md_reader::read_file_fragment): New function.
12546         * read-md.h (md_reader::read_file_fragment): New decl.
12547         (md_reader::m_first_line): New field.
12548         (md_reader::m_last_line): New field.
12549         * read-rtl-function.c (function_reader::create_function): Only
12550         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
12551         curr_properties.  Set DECL_INITIAL to a dummy block.
12552         (read_rtl_function_body_from_file_range): New function.
12553         * read-rtl-function.h (read_rtl_function_body_from_file_range):
12554         New decl.
12555         * run-rtl-passes.c: New file.
12556         * run-rtl-passes.h: New file.
12557
12558 2017-01-24  Jeff Law  <law@redhat.com>
12559
12560         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
12561         buffer size.
12562
12563 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
12564
12565         PR tree-optimization/79159
12566         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
12567         (record_nonwrapping_iv): Improve boundary using above function if no
12568         value range information.
12569
12570 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
12571             Martin Jambor  <mjambor@suse.cz>
12572
12573         * brig-builtins.def: New file.
12574         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
12575         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
12576         (DEF_HSAIL_SAT_BUILTIN): Likewise.
12577         (DEF_HSAIL_INTR_BUILTIN): Likewise.
12578         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
12579         * builtin-types.def (BT_INT8): New.
12580         (BT_INT16): Likewise.
12581         (BT_UINT8): Likewise.
12582         (BT_UINT16): Likewise.
12583         (BT_FN_ULONG): Likewise.
12584         (BT_FN_UINT_INT): Likewise.
12585         (BT_FN_UINT_ULONG): Likewise.
12586         (BT_FN_UINT_LONG): Likewise.
12587         (BT_FN_UINT_PTR): Likewise.
12588         (BT_FN_ULONG_PTR): Likewise.
12589         (BT_FN_INT8_FLOAT): Likewise.
12590         (BT_FN_INT16_FLOAT): Likewise.
12591         (BT_FN_UINT32_FLOAT): Likewise.
12592         (BT_FN_UINT16_FLOAT): Likewise.
12593         (BT_FN_UINT8_FLOAT): Likewise.
12594         (BT_FN_UINT64_FLOAT): Likewise.
12595         (BT_FN_UINT16_UINT32): Likewise.
12596         (BT_FN_UINT32_UINT16): Likewise.
12597         (BT_FN_UINT16_UINT16_UINT16): Likewise.
12598         (BT_FN_INT_PTR_INT): Likewise.
12599         (BT_FN_UINT_PTR_UINT): Likewise.
12600         (BT_FN_LONG_PTR_LONG): Likewise.
12601         (BT_FN_ULONG_PTR_ULONG): Likewise.
12602         (BT_FN_VOID_UINT64_UINT64): Likewise.
12603         (BT_FN_UINT8_UINT8_UINT8): Likewise.
12604         (BT_FN_INT8_INT8_INT8): Likewise.
12605         (BT_FN_INT16_INT16_INT16): Likewise.
12606         (BT_FN_INT_INT_INT): Likewise.
12607         (BT_FN_UINT_FLOAT_UINT): Likewise.
12608         (BT_FN_FLOAT_UINT_UINT): Likewise.
12609         (BT_FN_ULONG_UINT_UINT): Likewise.
12610         (BT_FN_ULONG_UINT_PTR): Likewise.
12611         (BT_FN_ULONG_ULONG_ULONG): Likewise.
12612         (BT_FN_UINT_UINT_UINT): Likewise.
12613         (BT_FN_VOID_UINT_PTR): Likewise.
12614         (BT_FN_UINT_UINT_PTR: Likewise.
12615         (BT_FN_UINT32_UINT64_PTR): Likewise.
12616         (BT_FN_INT_INT_UINT_UINT): Likewise.
12617         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
12618         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
12619         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
12620         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
12621         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
12622         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
12623         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
12624         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
12625         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
12626         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
12627         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
12628         * doc/frontends.texi: List BRIG FE.
12629         * doc/install.texi (Testing): Add BRIG tesring requirements.
12630         * doc/invoke.texi (Overall Options): Mention BRIG.
12631         * doc/standards.texi (Standards): Doucment BRIG HSA version.
12632
12633 2017-01-24  Richard Biener  <rguenther@suse.de>
12634
12635         PR translation/79208
12636         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
12637
12638 2017-01-24  Martin Jambor  <mjambor@suse.cz>
12639
12640         PR bootstrap/79198
12641         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
12642         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
12643         and known_contexts.
12644
12645 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
12646
12647         PR middle-end/79123
12648         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
12649         casts from signed to unsigned really don't have a range.
12650
12651 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
12652
12653         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
12654         GMP_RNDx for compatiblity.
12655
12656 2017-01-24  Martin Liska  <mliska@suse.cz>
12657
12658         PR bootstrap/79132
12659         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
12660         that would prevent us to call alloca with -1 as argument.
12661
12662 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
12663
12664         * dwarf2out.c (output_compilation_unit_header, output_file_names):
12665         Avoid -Wformat-security warning.
12666
12667 2017-01-23  Andrew Pinski  <apinski@cavium.com>
12668
12669         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
12670         cost table.
12671
12672 2017-01-23  Martin Sebor  <msebor@redhat.com>
12673
12674         PR middle-end/78703
12675         * gimple-ssa-sprintf.c (warn_level): New global.
12676         (format_integer): Use it here and throughout the rest of the file.
12677         Use the same switch to compute sign as base.
12678         (maybe_warn): New function.
12679         (format_directive): Factor out warnings into maybe_warn.
12680         Add debugging output.  Use warn_level.
12681         (add_bytes): Use warn_level.
12682         (pass_sprintf_length::compute_format_length): Add debugging output.
12683         (try_substitute_return_value): Same.
12684         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
12685
12686         PR middle-end/78703
12687         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
12688         (struct fmtresult, format_integer, format_floating): Adjust.
12689         (fmtresult::fmtresult): Set max correctly in two argument ctor.
12690         (get_string_length, format_string,format_directive): Same.
12691         (pass_sprintf_length::compute_format_length): Same.
12692         (try_substitute_return_value): Simplify slightly.
12693
12694         PR middle-end/78703
12695         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
12696         (fmtresult::operator+=): Outlined.
12697         (struct fmtresult): Add ctors.
12698         (struct conversion_spec): Rename...
12699         (struct directive): ...to this.  Add and remove data members.
12700         (directive::set_width, directive::set_precision): New functions.
12701         (format_percent): Use fmtresult ctor.
12702         (get_width_and_precision): Remove.
12703         (format_integer): Make naming changes.  Avoid computing width and
12704         precision.
12705         (format_floating): Same.  Adjust indentation.
12706         (format_character, format_none): New functions.
12707         (format_string): Moved character handling to format_character.
12708         (format_directive): Remove arguments, change return type.
12709         (parse_directive): New function.
12710         (pass_sprintf_length::compute_format_length): Move directive
12711         parsing to parse_directive.
12712
12713 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
12714
12715         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
12716         (assign_assembler_name_if_needed): ... this.
12717         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
12718         (assign_assembler_name_if_needed): ... this.
12719         (free_lang_data_in_cgraph): Adjust callers.
12720         * cgraphunit.c (cgraph_node::analyze): Likewise.
12721         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
12722         Likewise.
12723
12724 2017-01-23  Richard Biener  <rguenther@suse.de>
12725
12726         PR tree-optimization/79088
12727         PR tree-optimization/79188
12728         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
12729         resetting loop bounds after last path deletion.  Reset loop
12730         bounds of the target loop, make code match the comments.
12731         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
12732         Make sure loops need no fixups.
12733
12734 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
12735
12736         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
12737         exponent support with double type for first argument.
12738         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
12739         type returned by __builtin_vec_extract_sig,
12740         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
12741         functions from "vector int" to "vector unsigned int" or from
12742         "vector long long int" to "vector unsigned long long int".
12743         Changed type returned by __builtin_vec_extract_exp,
12744         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
12745         functions from "vector int" to "vector unsigned int" or from
12746         "vector long long int" to "vector unsigned long long int".
12747         Changed return type of __builtin_vec_test_data_class,
12748         __builtin_vec_test_data_class_sp, and
12749         __builtin_vec_test_data_class_dp from "vector int" to
12750         "vector bool int" or from "vector long long int" to "vector bool
12751         long long int" and changed second argument type from "unsigned
12752         int" to "int".  Added new overloaded function forms "vector float
12753         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
12754         "vector float __builtin_vec_insert_exp_sp (vector float, vector
12755         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
12756         double, vector unsigned long long int)" and "vector double
12757         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
12758         long int)".  Changed return type of
12759         __builtin_scalar_test_data_class and
12760         __builtin_scalar_test_data_class_sp and
12761         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
12762         int" and changed second argument from "unsigned int" to "int".
12763         Changed type returned by __builtin_scalar_test_neg,
12764         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
12765         from "int" to "bool int".  Added new overloaded function form
12766         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
12767         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
12768         exponent double-precision with floating point first argument.
12769         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
12770         documentation of scalar_test_data_class, scalar_test_neg,
12771         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
12772         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
12773         vec_test_data_class built-in functions to reflect refinements in
12774         their type signatures.
12775
12776 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
12777
12778         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
12779         size of buf.
12780         (aarch64_elf_asm_destructor): Likewise.
12781
12782 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
12783
12784         PR rtl-optimization/78634
12785         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
12786         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
12787         * ifcvt.c (noce_try_cmove): Add missing cost check.
12788
12789         PR rtl-optimization/71724
12790         * combine.c (if_then_else_cond): Look for situations where it is
12791         beneficial to undo the work of one of the recursive calls.
12792
12793 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
12794
12795         PR tree-optimization/70754
12796         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
12797         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
12798         combined stmt before it if not NULL.
12799         (combine_chains): Process refs reversely and compute dominance point
12800         for root ref.
12801
12802 2017-01-23  Martin Liska  <mliska@suse.cz>
12803
12804         PR tree-optimization/79196
12805         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
12806         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
12807         instead of memcmp.
12808         (strlen_optimize_stmt): Call the renamed function.
12809
12810 2017-01-23  Michael Matz  <matz@suse.de>
12811
12812         PR tree-optimization/78384
12813         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
12814
12815 2017-01-23  Richard Biener  <rguenther@suse.de>
12816
12817         PR tree-optimization/79186
12818         * tree-vrp.c (register_new_assert_for): Make sure we've seen
12819         both incoming edges before moving an assert.
12820
12821 2017-01-23  Martin Jambor  <mjambor@suse.cz>
12822
12823         * ipa-prop.c (load_from_param_1): Removed.
12824         (load_from_unmodified_param): Bits from load_from_param_1 put back
12825         here.
12826         (load_from_param): Removed.
12827         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
12828         with stmt.  Reverted back to use of load_from_unmodified_param.
12829
12830 2017-01-23  Martin Jambor  <mjambor@suse.cz>
12831
12832         PR ipa/79108
12833         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
12834         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
12835         field a pointer to garbage collected vector, mark lattices and
12836         ipcp_orig_node with GTY((skip)).
12837         (ipa_get_param_count): Adjust to descriptors being a pointer.
12838         (ipa_get_param): Likewise.
12839         (ipa_get_type): Likewise.
12840         (ipa_get_param_move_cost): Likewise.
12841         (ipa_set_param_used): Likewise.
12842         (ipa_get_controlled_uses): Likewise.
12843         (ipa_set_controlled_uses): Likewise.
12844         (ipa_is_param_used): Likewise.
12845         (ipa_node_params_t): Move into garbage collector.  New methods insert
12846         and remove.
12847         (ipa_node_params_sum): Annotate wth GTY(()).
12848         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
12849         garbage collected.
12850         (ipa_load_from_parm_agg): Adjust declaration.
12851         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
12852         * ipa-profile.c (ipa_profile): Likewise.
12853         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
12854         (ipa_populate_param_decls): Make descriptors parameter garbage
12855         collected.
12856         (ipa_dump_param): Adjust to descriptors being a pointer.
12857         (ipa_alloc_node_params): Likewise.
12858         (ipa_initialize_node_params): Likewise.
12859         (load_from_param_1): Make descriptors parameter garbage collected.
12860         (load_from_unmodified_param): Likewise.
12861         (load_from_param): Likewise.
12862         (ipa_load_from_parm_agg): Likewise.
12863         (ipa_node_params::~ipa_node_params): Removed.
12864         (ipa_free_all_node_params): Remove call to delete operator.
12865         (ipa_node_params_t::insert): New.
12866         (ipa_node_params_t::remove): Likewise.
12867         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
12868         copy known_csts and known_contexts vectors.
12869         (ipa_read_node_info): Adjust to descriptors being a pointer.
12870         (ipcp_modif_dom_walker): Make m_descriptors field garbage
12871         collected.
12872         (ipcp_transform_function): Make descriptors variable garbage
12873         collected.
12874
12875 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
12876
12877         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
12878         * config/i386/avx512dqintrin.h: Ditto.
12879         * config/i386/avx512fintrin.h: Ditto.
12880         * gcc/config/i386/i386.c: Handle new builtins.
12881         * config/i386/i386-builtin.def: Add new builtins.
12882         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
12883         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
12884
12885 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
12886             Martin Liska  <mliska@suse.cz>
12887
12888         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
12889         * asan.c (asan_expand_poison_ifn): Support stores and use
12890         appropriate ASAN report function.
12891         * internal-fn.c (expand_ASAN_POISON_USE): New function.
12892         * internal-fn.def (ASAN_POISON_USE): Declare.
12893         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
12894         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
12895         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
12896         ASAN_POISON calls w/o LHS.
12897         * tree-ssa.c (execute_update_addresses_taken): Create clobber
12898         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
12899         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
12900         * gimplify.c (asan_poison_variables): Add attribute
12901         use_after_scope_memory to variables that really needs to live
12902         in memory.
12903         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
12904         having the attribute.
12905
12906 2017-01-23  Martin Liska  <mliska@suse.cz>
12907
12908         * asan.c (create_asan_shadow_var): New function.
12909         (asan_expand_poison_ifn): Likewise.
12910         * asan.h (asan_expand_poison_ifn): New declaration.
12911         * internal-fn.c (expand_ASAN_POISON): Likewise.
12912         * internal-fn.def (ASAN_POISON): New builtin.
12913         * sanopt.c (pass_sanopt::execute): Expand
12914         asan_expand_poison_ifn.
12915         * tree-inline.c (copy_decl_for_dup_finish): Make function
12916         external.
12917         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
12918         * tree-ssa.c (is_asan_mark_p): New function.
12919         (execute_update_addresses_taken): Rewrite local variables
12920         (identified just by use-after-scope as addressable) into SSA.
12921
12922 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
12923
12924         * doc/install.texi (Specific): opensource.apple.com uses https
12925         now. Remove trailing slash.
12926
12927 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
12928
12929         * README.Portability: Remove note on an Irix compatibility issue.
12930
12931 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
12932
12933         * gcov.c (INCLUDE_ALGORITHM): Define.
12934         (INCLUDE_VECTOR): Define.
12935         No longer include <vector> and <algorithm> directly.
12936
12937 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
12938
12939         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
12940         to https.
12941         * doc/invoke.texi (Code Gen Options): Ditto.
12942
12943 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
12944
12945         PR lto/78407
12946         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
12947
12948 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
12949
12950         rtl-optimization/79125
12951         * cprop.c (local_cprop_pass): Handle cases where we make an
12952         unconditional trap.
12953
12954 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
12955
12956         PR target/61729
12957         PR target/77850
12958         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
12959         read from, for big endian.
12960
12961 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
12962
12963         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
12964         register pauth builtins for LP64 only.
12965
12966 2017-01-20  Marek Polacek  <polacek@redhat.com>
12967
12968         PR c/79152
12969         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
12970         non-case labels.
12971
12972 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
12973
12974         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
12975         of safelen status.
12976         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
12977         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
12978         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
12979
12980 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12981
12982         PR target/71270
12983         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
12984         in big-endian mode when they are not a single duplicated value.
12985
12986 2017-01-20  Richard Biener  <rguenther@suse.de>
12987
12988         * BASE-VER: Bump to 7.0.1.
12989
12990 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
12991
12992         * omp-low.c (omplow_simd_context): New struct.  Use it...
12993         (lower_rec_simd_input_clauses): ...here and...
12994         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
12995         references to idx, lane, max_vf, is_simt.
12996
12997 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
12998
12999         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
13000         mcpu=nps400.
13001
13002 2017-01-20  Martin Jambor  <mjambor@suse.cz>
13003
13004         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
13005         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
13006         gt-hsa-common.h.
13007         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
13008         (GTFILES): Rename hsa.c to hsa-common.c.
13009         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
13010         * hsa-dump.c: Likewise.
13011         * hsa-gen.c: Likewise.
13012         * hsa-regalloc.c: Likewise.
13013         * ipa-hsa.c: Likewise.
13014         * omp-expand.c: Likewise.
13015         * omp-low.c: Likewise.
13016         * toplev.c: Likewise.
13017
13018 2017-01-20  Marek Polacek  <polacek@redhat.com>
13019
13020         PR c/64279
13021         * doc/invoke.texi: Document -Wduplicated-branches.
13022         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
13023         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
13024         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
13025         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
13026         return 0 only when not OEP_LEXICOGRAPHIC.
13027         (fold_build_cleanup_point_expr): Use the expression
13028         location when building CLEANUP_POINT_EXPR.
13029         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
13030         * tree.c (add_expr): Handle error_mark_node.
13031
13032 2017-01-20  Martin Liska  <mliska@suse.cz>
13033
13034         PR lto/69188
13035         * tree-profile.c (init_ic_make_global_vars): Do not call
13036         finalize_decl.
13037         (gimple_init_gcov_profiler): Likewise.
13038
13039 2017-01-20  Martin Liska  <mliska@suse.cz>
13040
13041         PR ipa/71190
13042         * cgraph.h (maybe_create_reference): Remove argument and
13043         update comment.
13044         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
13045         argument.
13046         * ipa-cp.c (create_specialized_node): Likewise.
13047         * symtab.c (symtab_node::maybe_create_reference): Handle
13048         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
13049
13050 2017-01-20  Martin Liska  <mliska@suse.cz>
13051
13052         * read-rtl-function.c (function_reader::create_function): Use
13053         build_decl instread of build_decl_stat.
13054
13055 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
13056
13057         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
13058         * config/i386/avx512dqintrin.h: Ditto.
13059         * config/i386/avx512fintrin.h: Ditto.
13060         * config/i386/i386-builtin-types.def: Add new types.
13061         * gcc/config/i386/i386.c: Handle new types.
13062         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
13063         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
13064         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
13065         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
13066         (__builtin_ia32_kshiftridi): New.
13067         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
13068
13069 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
13070
13071         PR target/78875
13072         PR target/79140
13073         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
13074         define to rs6000_init_stack_protect_guard.
13075         (rs6000_init_stack_protect_guard): New function.
13076
13077 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
13078             Yunqiang Su  <yunqiang.su@imgtec.com>
13079
13080         * config.gcc (supported_defaults): Add madd4.
13081         (with_madd4): Add validation.
13082         (all_defaults): Add madd4.
13083         * config/mips/mips.opt (mmadd4): New option.
13084         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
13085         mmadd4.
13086         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
13087         __mips_no_madd4.
13088         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
13089         (ISA_HAS_FUSED_MADD4): Likewise.
13090         * gcc/doc/invoke.texi (-mmadd4): Document the new option.
13091         * gcc/doc/install.texi (--with-madd4): Document the new option.
13092
13093 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
13094
13095         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
13096         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
13097         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
13098         (aarch64_init_pauth_hint_builtins): New.
13099         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
13100         (aarch64_expand_builtin): Expand new builtins.
13101
13102 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
13103
13104         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
13105         * combine-stack-adj.c (no_unhandled_cfa): Handle
13106         REG_CFA_TOGGLE_RA_MANGLE.
13107         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
13108         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
13109         info for return address signing.
13110         (aarch64_expand_epilogue): Likewise.
13111
13112 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
13113
13114         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
13115         * config/aarch64/aarch64-protos.h
13116         (aarch64_return_address_signing_enabled): New declaration.
13117         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
13118         New function.
13119         (aarch64_expand_prologue): Sign return address before it's pushed onto
13120         stack.
13121         (aarch64_expand_epilogue): Authenticate return address fetched from
13122         stack.
13123         (aarch64_override_options): Sanity check for ILP32 and ISA level.
13124         (aarch64_attributes): New function attributes for "sign-return-address".
13125         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
13126         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
13127         ("*do_return"): Generate combined instructions according to key index.
13128         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
13129         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
13130         iterators.
13131         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
13132         * config/aarch64/aarch64.opt (msign-return-address=): New.
13133         * doc/extend.texi (AArch64 Function Attributes): Documents
13134         "sign-return-address=".
13135         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
13136
13137 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
13138
13139         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
13140         overall option summary.
13141
13142 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
13143
13144         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
13145         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
13146         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
13147         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
13148
13149 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
13150
13151         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
13152         -mpower9-minmax by default for -mcpu=power9.
13153         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
13154         128-bit floating point.
13155
13156 2017-01-20  Alan Modra  <amodra@gmail.com>
13157
13158         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
13159         optimizing for size.
13160
13161 2017-01-20  Alan Modra  <amodra@gmail.com>
13162
13163         PR target/79144
13164         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
13165         for strcmp and strncmp from corresponding builtin decl.
13166
13167 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
13168
13169         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
13170         instead of i386/rtems-64.h.
13171         * config/i386/rtems-64.h: Remove.
13172
13173 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
13174
13175         PR target/78478
13176         Revert:
13177         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
13178
13179         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
13180
13181 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
13182
13183         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
13184         Change int to HOST_WIDE_INT.
13185         * config/aarch64/aarch64-protos.h
13186         (aarch64_simd_gen_const_vector_dup): Likewise.
13187         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
13188
13189 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
13190
13191         * langhooks-def.h (lhd_type_for_size): New decl.
13192         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
13193         * langhooks.c (lhd_type_for_size): New function, taken from
13194         lto_type_for_size.
13195
13196 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
13197
13198         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
13199         define_bypass for CR latency.
13200         (power9-cracked-alu): Update bypass latency and remove power9-branch.
13201         (power9-alu2): Add define_bypass for CR latency.
13202         (power9-cmp): New.
13203         (power9-mul): Update insn latency.
13204         (power9-mul-compare): Update insn latency, bypass latency and remove
13205         power9-branch.
13206
13207 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13208
13209         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
13210         Delete.
13211         * config/aarch64/aarch64.md
13212         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
13213         aarch64_nopcrelative_literal_loads.
13214         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
13215
13216 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
13217
13218         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
13219         TARGET_LOONGSON_3A.
13220         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
13221
13222 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
13223
13224         PR target/78176
13225         * config.gcc (supported_defaults): Add lxc1-sxc1.
13226         (with_lxc1_sxc1): Add validation.
13227         (all_defaults): Add lxc1-sxc1.
13228         * config/mips/mips.opt (mlxc1-sxc1): New option.
13229         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
13230         mlxc1-sxc1.
13231         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
13232         __mips_no_lxc1_sxc1.
13233         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
13234         * gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option.
13235         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
13236
13237 2017-01-19  Richard Biener  <rguenther@suse.de>
13238
13239         PR tree-optimization/72488
13240         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
13241         sure to restore SSA info.
13242         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
13243
13244 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
13245
13246         PR rtl-optimization/79121
13247         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
13248         of the inner type when shifting an extended value.
13249
13250 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
13251
13252         PR lto/78407
13253         * symtab.c (symtab_node::equal_address_to): Fix comparing of
13254         interposable aliases.
13255
13256 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
13257
13258         PR target/78516
13259         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
13260         Use the evmergelohi instruction.
13261         (mov_si<mode>_e500_subreg4_2_le): Likewise.
13262         (mov_sitf_e500_subreg8_2_be): Likewise.
13263         (mov_sitf_e500_subreg12_2_le): Likewise.
13264         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
13265         (mov_si<mode>_e500_subreg4_2_be): Likewise.
13266         (mov_sitf_e500_subreg8_2_le): Likewise.
13267         (mov_sitf_e500_subreg12_2_be): Likewise.
13268
13269 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13270
13271         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
13272         attribute from vecsimple to vecperm.
13273         (altivec_vbpermq2): Likewise.
13274
13275 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13276
13277         PR target/79040
13278         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
13279
13280 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
13281         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
13282         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
13283         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
13284         case where N arg is SIZE_MAX.
13285         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
13286         (cmpstrsi): Add pattern.
13287
13288 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
13289
13290         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
13291         __builtin_vec_revb builtins.
13292         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
13293         built-in functions to support generation of the ISA 3.0 XXBR<x>
13294         vector byte reverse instructions.
13295         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
13296         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
13297         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
13298         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
13299         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
13300         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
13301         (P9V_BUILTIN_VEC_REVB): Likewise.
13302         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
13303         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
13304         (p9_xxbrq_v16qi): Likewise.
13305         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
13306         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
13307         (p9_xxbrh_v8hi): Likewise.
13308         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
13309         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
13310         vec_revb built-in functions.
13311
13312 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
13313
13314         PR rtl-optimization/78952
13315         * config/i386/i386.md (any_extract): New code iterator.
13316         (*insvqi_2): Use any_extract for source operand.
13317         (*insvqi_3): Use any_shiftrt for source operand.
13318
13319 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
13320
13321         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
13322         New function.
13323         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
13324
13325 2017-01-18  Matthias Klose  <doko@ubuntu.com>
13326
13327         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
13328
13329 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13330
13331         * config/rs6000/altivec.h (vec_bperm): Change #define.
13332         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
13333         (altivec_vbpermq2): New define_insn.
13334         (altivec_vbpermd): Likewise.
13335         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
13336         function interface.
13337         (VBPERMD): Likewise.
13338         (VBPERM): New polymorphic function interface.
13339         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
13340         Add entries for P9V_BUILTIN_VEC_VBPERM.
13341         * doc/extend.texi: Add interfaces for vec_bperm.
13342
13343 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13344
13345         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
13346         first letter of error messages.
13347         (s390_resolve_overloaded_builtin): Likewise.
13348         * config/s390/s390.c (s390_expand_builtin): Likewise.
13349         (s390_invalid_arg_for_unprototyped_fn): Likewise.
13350         (s390_valid_target_attribute_inner_p): Likewise.
13351         * config/s390/s390.md ("tabort"): Likewise.
13352
13353 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
13354
13355         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
13356         (ISA_AVOID_DIV_HILO): New macro.
13357         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
13358         (ISA_HAS_DDIV): Likewise.
13359
13360 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
13361
13362         * doc/invoke.texi (fabi-version): Correct number of occurrences.
13363
13364 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
13365
13366         * doc/invoke.texi (fabi-version): Spelling fix.
13367
13368 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
13369
13370         PR c++/70182
13371         * doc/invoke.texi (fabi-version): Mention mangling fix for
13372         operator names.
13373
13374 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
13375
13376         PR c++/77489
13377         * doc/invoke.texi (fabi-version): Document discriminator mangling.
13378
13379 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
13380
13381         PR target/78875
13382         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
13383         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
13384         the new options.
13385         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
13386         flexible settings.
13387         (stack_protect_test): Ditto.
13388         * config/rs6000/rs6000.opt (mstack-protector-guard=,
13389         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
13390         options.
13391         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
13392         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
13393         -mstack-protector-guard-offset=.
13394         (RS/6000 and PowerPC Options): Ditto.
13395
13396 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
13397
13398         * config/i386/i386.h (MASK_CLASS_P): New define.
13399         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
13400         there are no registers from different register sets also when
13401         mask registers are used.  Update function comment.
13402         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
13403         to (*k/*r) and (*k/*km) alternatives.
13404
13405 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
13406
13407         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
13408         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
13409         (EH_RETURN_HANDLER_RTX): New define.
13410         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
13411         Force frame pointer in EH return functions.
13412         (aarch64_expand_epilogue): Add barrier for eh_return.
13413         (aarch64_final_eh_return_addr): Remove.
13414         (aarch64_eh_return_handler_rtx): New function.
13415         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
13416         Remove.
13417         (aarch64_eh_return_handler_rtx): New prototype.
13418
13419 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13420
13421         * config/rs6000/altivec.h (vec_rlmi): New #define.
13422         (vec_vrlnm): Likewise.
13423         (vec_rlnm): Likewise.
13424         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
13425         (UNSPEC_VRLNM): Likewise.
13426         (VIlong): New mode iterator.
13427         (altivec_vrl<VI_char>mi): New define_insn.
13428         (altivec_vrl<VI_char>nm): Likewise.
13429         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
13430         function entry.
13431         (VRLDNM): Likewise.
13432         (RLNM): New polymorphic function entry.
13433         (VRLWMI): New monomorphic function entry.
13434         (VRLDMI): Likewise.
13435         (RLMI): New polymorphic function entry.
13436         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
13437         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
13438         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
13439         vec_vrlnm.
13440
13441 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
13442
13443         PR debug/78839
13444         * dwarf2out.c (field_byte_offset): Restore the
13445         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
13446         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
13447         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
13448         of build2 + fold.
13449
13450 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
13451
13452         PR ada/67205
13453         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
13454
13455 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
13456
13457         PR debug/71669
13458         * dwarf2out.c (add_data_member_location_attribute): For constant
13459         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
13460         instead of DW_AT_data_member_location, DW_AT_bit_offset and
13461         DW_AT_byte_size attributes.
13462
13463 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
13464
13465         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
13466         after forcing to constant memory when the code model is medium.
13467
13468 2017-01-17  Julia Koval  <julia.koval@intel.com>
13469
13470         PR target/76731
13471         * config/i386/avx512fintrin.h
13472         (_mm512_i32gather_ps): Change __addr type to void const*.
13473         (_mm512_mask_i32gather_ps): Ditto.
13474         (_mm512_i32gather_pd): Ditto.
13475         (_mm512_mask_i32gather_pd): Ditto.
13476         (_mm512_i64gather_ps): Ditto.
13477         (_mm512_mask_i64gather_ps): Ditto.
13478         (_mm512_i64gather_pd): Ditto.
13479         (_mm512_mask_i64gather_pd): Ditto.
13480         (_mm512_i32gather_epi32): Ditto.
13481         (_mm512_mask_i32gather_epi32): Ditto.
13482         (_mm512_i32gather_epi64): Ditto.
13483         (_mm512_mask_i32gather_epi64): Ditto.
13484         (_mm512_i64gather_epi32): Ditto.
13485         (_mm512_mask_i64gather_epi32): Ditto.
13486         (_mm512_i64gather_epi64): Ditto.
13487         (_mm512_mask_i64gather_epi64): Ditto.
13488         (_mm512_i32scatter_ps): Change __addr type to void*.
13489         (_mm512_mask_i32scatter_ps): Ditto.
13490         (_mm512_i32scatter_pd): Ditto.
13491         (_mm512_mask_i32scatter_pd): Ditto.
13492         (_mm512_i64scatter_ps): Ditto.
13493         (_mm512_mask_i64scatter_ps): Ditto.
13494         (_mm512_i64scatter_pd): Ditto.
13495         (_mm512_mask_i64scatter_pd): Ditto.
13496         (_mm512_i32scatter_epi32): Ditto.
13497         (_mm512_mask_i32scatter_epi32): Ditto.
13498         (_mm512_i32scatter_epi64): Ditto.
13499         (_mm512_mask_i32scatter_epi64): Ditto.
13500         (_mm512_i64scatter_epi32): Ditto.
13501         (_mm512_mask_i64scatter_epi32): Ditto.
13502         (_mm512_i64scatter_epi64): Ditto.
13503         (_mm512_mask_i64scatter_epi64): Ditto.
13504         * config/i386/avx512pfintrin.h
13505         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
13506         (_mm512_mask_prefetch_i32gather_ps): Ditto.
13507         (_mm512_mask_prefetch_i64gather_pd): Ditto.
13508         (_mm512_mask_prefetch_i64gather_ps): Ditto.
13509         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
13510         (_mm512_prefetch_i32scatter_ps): Ditto.
13511         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
13512         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
13513         (_mm512_prefetch_i64scatter_pd): Ditto.
13514         (_mm512_prefetch_i64scatter_ps): Ditto.
13515         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
13516         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
13517         * config/i386/avx512vlintrin.h
13518         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
13519         (_mm_mmask_i32gather_ps): Ditto.
13520         (_mm256_mmask_i32gather_pd): Ditto.
13521         (_mm_mmask_i32gather_pd): Ditto.
13522         (_mm256_mmask_i64gather_ps): Ditto.
13523         (_mm_mmask_i64gather_ps): Ditto.
13524         (_mm256_mmask_i64gather_pd): Ditto.
13525         (_mm_mmask_i64gather_pd): Ditto.
13526         (_mm256_mmask_i32gather_epi32): Ditto.
13527         (_mm_mmask_i32gather_epi32): Ditto.
13528         (_mm256_mmask_i32gather_epi64): Ditto.
13529         (_mm_mmask_i32gather_epi64): Ditto.
13530         (_mm256_mmask_i64gather_epi32): Ditto.
13531         (_mm_mmask_i64gather_epi32): Ditto.
13532         (_mm256_mmask_i64gather_epi64): Ditto.
13533         (_mm_mmask_i64gather_epi64): Ditto.
13534         (_mm256_i32scatter_ps): Change __addr type to void*.
13535         (_mm256_mask_i32scatter_ps): Ditto.
13536         (_mm_i32scatter_ps): Ditto.
13537         (_mm_mask_i32scatter_ps): Ditto.
13538         (_mm256_i32scatter_pd): Ditto.
13539         (_mm256_mask_i32scatter_pd): Ditto.
13540         (_mm_i32scatter_pd): Ditto.
13541         (_mm_mask_i32scatter_pd): Ditto.
13542         (_mm256_i64scatter_ps): Ditto.
13543         (_mm256_mask_i64scatter_ps): Ditto.
13544         (_mm_i64scatter_ps): Ditto.
13545         (_mm_mask_i64scatter_ps): Ditto.
13546         (_mm256_i64scatter_pd): Ditto.
13547         (_mm256_mask_i64scatter_pd): Ditto.
13548         (_mm_i64scatter_pd): Ditto.
13549         (_mm_mask_i64scatter_pd): Ditto.
13550         (_mm256_i32scatter_epi32): Ditto.
13551         (_mm256_mask_i32scatter_epi32): Ditto.
13552         (_mm_i32scatter_epi32): Ditto.
13553         (_mm_mask_i32scatter_epi32): Ditto.
13554         (_mm256_i32scatter_epi64): Ditto.
13555         (_mm256_mask_i32scatter_epi64): Ditto.
13556         (_mm_i32scatter_epi64): Ditto.
13557         (_mm_mask_i32scatter_epi64): Ditto.
13558         (_mm256_i64scatter_epi32): Ditto.
13559         (_mm256_mask_i64scatter_epi32): Ditto.
13560         (_mm_i64scatter_epi32): Ditto.
13561         (_mm_mask_i64scatter_epi32): Ditto.
13562         (_mm256_i64scatter_epi64): Ditto.
13563         (_mm256_mask_i64scatter_epi64): Ditto.
13564         (_mm_i64scatter_epi64): Ditto.
13565         (_mm_mask_i64scatter_epi64): Ditto.
13566         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
13567         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
13568         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
13569         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
13570         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
13571         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
13572         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
13573         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
13574         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
13575         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
13576         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
13577         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
13578         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
13579         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
13580         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
13581         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
13582         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
13583         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
13584         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
13585         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
13586         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
13587         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
13588         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
13589         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
13590         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
13591         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
13592         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
13593         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
13594         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
13595         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
13596         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
13597         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
13598         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
13599         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
13600         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
13601         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
13602         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
13603         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
13604         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
13605         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
13606         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
13607         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
13608         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
13609         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
13610         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
13611         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
13612         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
13613         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
13614         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
13615         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
13616         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
13617         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
13618         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
13619         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
13620         definitions accordingly.
13621
13622 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
13623             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
13624
13625         PR target/79079
13626         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
13627         gen_lowpart.
13628
13629 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
13630
13631         PR target/79058
13632         * ira-conflicts.c (ira_build_conflicts): Update total conflict
13633         hard regs for inner regno.
13634
13635 2017-01-17  Martin Liska  <mliska@suse.cz>
13636
13637         PR ipa/71207
13638         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
13639         assumption and add comment.
13640
13641 2017-01-17  Nathan Sidwell  <nathan@acm.org>
13642
13643         * ipa-visibility.c (localize_node): New function, broken out of ...
13644         (function_and_variable_visibility): ... here. Call it.
13645
13646 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
13647
13648         PR middle-end/77445
13649         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
13650         correctly set frequency of oudgoing edge.
13651         (duplicate_thread_path): Fix profile updating.
13652
13653 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
13654
13655         PR other/79046
13656         * configure.ac: Add GCC_BASE_VER.
13657         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
13658         version from BASE-VER file.
13659         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
13660         (gcc.o): Depend on $(BASEVER).
13661         * common.opt (dumpfullversion): New option.
13662         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
13663         * doc/invoke.texi: Document -dumpfullversion.
13664         * doc/install.texi: Document --with-gcc-major-version-only.
13665         * configure: Regenerated.
13666
13667 2017-01-17  Richard Biener  <rguenther@suse.de>
13668
13669         PR tree-optimization/71433
13670         * tree-vrp.c (register_new_assert_for): Merge same asserts
13671         on all incoming edges.
13672         (process_assert_insertions_for): Handle insertions at the
13673         beginning of BBs.
13674
13675 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
13676
13677         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
13678         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
13679
13680 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
13681
13682         PR target/78633
13683         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
13684         RTL sharing.
13685
13686 2017-01-17  Alan Modra  <amodra@gmail.com>
13687
13688         PR target/79066
13689         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
13690         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
13691         symbolic stack limit when pic.
13692
13693 2017-01-16  Martin Sebor  <msebor@redhat.com>
13694
13695         PR tree-optimization/78608
13696         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
13697
13698 2017-01-16  Jeff Law  <law@redhat.com>
13699
13700         Revert:
13701         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
13702         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
13703         for several include directories that may be relative to sysroot.
13704         * config/i386/x-mingw32 (gplus_includedir): Define.
13705         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
13706         (native_system_includedir): Likewise.
13707         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
13708         override if TARGET_SYSTEM_ROOT is defined.
13709         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
13710
13711         PR tree-optimization/79090
13712         PR tree-optimization/33562
13713         PR tree-optimization/61912
13714         PR tree-optimization/77485
13715         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
13716         and computed trims into the dump file.
13717
13718 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
13719
13720         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
13721
13722 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
13723
13724         PR c/79089
13725         * gimplify.c (gimplify_init_constructor): If want_value and
13726         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
13727         fix.
13728
13729         PR target/79080
13730         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
13731         sequence.  Formatting fixes.
13732         (doloop_optimize): Formatting fixes.
13733
13734         PR driver/49726
13735         * gcc.c (debug_level_greater_than_spec_func): New function.
13736         (static_spec_functions): Add debug-level-gt spec function.
13737         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
13738         !g0.
13739         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
13740         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
13741         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
13742         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
13743         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
13744         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
13745
13746 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
13747
13748         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
13749         QImode fixups to general and mask registers only.
13750
13751 2017-01-16  Carl Love  <cel@us.ibm.com>
13752
13753         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
13754         for built-in functions
13755         vector signed char vec_nabs (vector signed char)
13756         vector signed short vec_nabs (vector signed short)
13757         vector signed int vec_nabs (vector signed int)
13758         vector signed long long vec_nabs (vector signed long long)
13759         vector float vec_nabs (vector float)
13760         vector double vec_nabs (vector double)
13761         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
13762         and NABS overload.
13763         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
13764         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
13765         * doc/extend.texi: Update the documentation file for the new built-in
13766         functions.
13767
13768 2017-01-16  Martin Sebor  <msebor@redhat.com>
13769
13770         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
13771         message.
13772
13773 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13774
13775         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
13776         UNSPEC_VSX__XXSPLTD to require special splat handling.
13777
13778 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
13779
13780         PR bootstrap/78616
13781         * system.h: Poison strndup.
13782
13783 2017-01-16  Alan Modra  <amodra@gmail.com>
13784
13785         PR target/79098
13786         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
13787         use a switch.
13788
13789 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
13790
13791         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
13792
13793 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
13794
13795         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
13796         call recog here.  Assert that INSN_CODE (insn) is non-negative.
13797
13798 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
13799
13800         PR target/72749
13801         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
13802         fallthrough.
13803         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
13804         in the currently scheduled RTL fragment.
13805
13806 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
13807
13808         PR rtl-optimization/78751
13809         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
13810         give up.
13811
13812 2017-01-14  Jeff Law  <law@redhat.com>
13813
13814         PR tree-optimization/79090
13815         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
13816         variable length stores.
13817         (compute_trims): Delete dead assignment to *trim_tail.
13818         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
13819         zero length.
13820
13821 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
13822
13823         PR rtl-optimization/78626
13824         PR rtl-optimization/78727
13825         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
13826         of a block, and split such blocks after everything else is finished.
13827
13828 2017-01-14  Alan Modra  <amodra@gmail.com>
13829
13830         PR target/72749
13831         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
13832         target legitimate_combined_insn.
13833         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
13834         (rs6000_legitimate_combined_insn): New function.
13835         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
13836         all uses.
13837         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
13838         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
13839         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
13840
13841 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
13842
13843         * doc/frontends.texi (G++ and GCC): Remove references to Java.
13844
13845 2017-01-13  Jeff Law  <law@redhat.com>
13846
13847         PR tree-optimization/33562
13848         PR tree-optimization/61912
13849         PR tree-optimization/77485
13850         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
13851         a statement.
13852         (delete_dead_assignment): Likewise.
13853         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
13854         statement to delete_dead_call and delete_dead_assignment.
13855
13856 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
13857
13858         PR c/78304
13859         * substring-locations.c (format_warning_va): Strengthen case 1 so
13860         that both endpoints of the substring must be within the format
13861         range for just the substring to be printed.
13862
13863 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
13864
13865         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
13866         * config/i386/i386.c (ix86_target_string): Add missing options
13867         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
13868         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
13869         flags_other and ix86_target_other to flags2_other.  Display unknown
13870         isa2 options.
13871         (ix86_valid_target_attribute_inner_p): Add missing options and
13872         reorder options by implied ISAs, as in ix86_target_string.
13873
13874 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
13875
13876         * hash-table.h (hash_table::too_empty_p): New function.
13877         (hash_table::expand): Use it.
13878         (hash_table::traverse): Likewise.
13879         (hash_table::empty_slot): Use sizeof (value_type) instead of
13880         sizeof (PTR) to convert bytes to elements.  Shrink the table
13881         if the current size is excessive for the current number of
13882         elements.
13883
13884 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
13885
13886         * ira-costs.c (record_reg_classes): Break from the inner loop
13887         early once alt_fail is known to be true.  Update outer loop
13888         handling accordingly.
13889
13890 2017-01-13  Jeff Law  <law@redhat.com>
13891
13892         * tree-ssa-dse.c (decrement_count): New function.
13893         (increment_start_addr, maybe_trim_memstar_call): Likewise.
13894         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
13895         when we know the partially dead statement is a mem* function.
13896
13897         PR tree-optimization/61912
13898         PR tree-optimization/77485
13899         * tree-ssa-dse.c: Include expr.h.
13900         (maybe_trim_constructor_store): New function.
13901         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
13902
13903         PR tree-optimization/33562
13904         PR tree-optimization/61912
13905         PR tree-optimization/77485
13906         * doc/invoke.texi: Document new dse-max-object-size param.
13907         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
13908         * tree-ssa-dse.c: Include params.h.
13909         (dse_store_status): New enum.
13910         (initialize_ao_ref_for_dse): New, partially extracted from
13911         dse_optimize_stmt.
13912         (valid_ao_ref_for_dse, normalize_ref): New.
13913         (setup_live_bytes_from_ref, compute_trims): Likewise.
13914         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
13915         (maybe_trim_partially_dead_store): Likewise.
13916         (maybe_trim_complex_store): Likewise.
13917         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
13918         Track what bytes live from the original store.  Return tri-state
13919         for dead, partially dead or live.
13920         (dse_dom_walker): Add constructor, destructor and new private members.
13921         (delete_dead_call, delete_dead_assignment): New extracted from
13922         dse_optimize_stmt.
13923         (dse_optimize_stmt): Make a member of dse_dom_walker.
13924         Use initialize_ao_ref_for_dse.
13925
13926         PR tree-optimization/33562
13927         PR tree-optimization/61912
13928         PR tree-optimization/77485
13929         * sbitmap.h (bitmap_count_bits): Prototype.
13930         (bitmap_clear_range, bitmap_set_range): Likewise.
13931         * sbitmap.c (bitmap_clear_range): New function.
13932         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
13933
13934 2017-01-13  Martin Liska  <mliska@suse.cz>
13935
13936         PR ipa/79043
13937         * function.c (set_cfun): Add new argument force.
13938         * function.h (set_cfun): Likewise.
13939         * ipa-inline-transform.c (inline_call): Use the function when
13940         strict alising from is dropped for function we inline to.
13941
13942 2017-01-13  Richard Biener  <rguenther@suse.de>
13943
13944         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
13945         for dumping GIMPLE INTEGER_CSTs.
13946
13947 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
13948
13949         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
13950         to 201112L since C++17.
13951
13952 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
13953
13954         PR sanitizer/78887
13955         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
13956         if -fsanitize=kernel-address is present.
13957
13958 2017-01-13  Richard Biener  <rguenther@suse.de>
13959
13960         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
13961         as _Literal ( type ) number in case usual suffixes do not
13962         preserve all information.
13963
13964 2017-01-13  Richard Biener  <rguenther@suse.de>
13965
13966         PR tree-optimization/77283
13967         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
13968         and ssa-iterators.h.
13969         (is_feasible_trace): Implement a cost model based on joiner
13970         PHI node uses.
13971
13972 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
13973
13974         PR target/79004
13975         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
13976         char or short to __float128/_Float128 directly.
13977
13978 2017-01-12  Martin Sebor  <msebor@redhat.com>
13979
13980         to -Wformat-overflow.
13981         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
13982         (min_bytes_remaining): Same.
13983         (get_string_length): Same.
13984         (format_string): Same.
13985         (format_directive): Same.
13986         (add_bytes): Same.
13987         (pass_sprintf_length::handle_gimple_call): Same.
13988
13989 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
13990
13991         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
13992         info.nowrite calls with no lhs that can't throw.  Return bool
13993         whether gsi_remove has been called or not.
13994         (pass_sprintf_length::handle_gimple_call): Return bool whether
13995         try_substitute_return_value called gsi_remove.  Formatting fix.
13996         (pass_sprintf_length::execute): Don't use gsi_remove if
13997         handle_gimple_call returned true.
13998
13999         PR bootstrap/79069
14000         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
14001         be removed due to side-effects, don't remove following barrier nor
14002         turn the successor edge into fallthru edge.
14003
14004 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14005
14006         PR target/79044
14007         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
14008         element-reversing loads and stores as not swappable.
14009
14010 2017-01-12  Nathan Sidwell  <nathan@acm.org>
14011             Nicolai Stange  <nicstange@gmail.com>
14012
14013         * combine.c (try_combine): Don't ignore result of overlap checking
14014         loop.  Combine overlap & asm check into single loop.
14015
14016 2017-01-12  Richard Biener  <rguenther@suse.de>
14017
14018         * tree-pretty-print.c (dump_generic_node): Provide -gimple
14019         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
14020
14021 2017-01-12  Richard Biener  <rguenther@suse.de>
14022
14023         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
14024         and TS_TARGET_OPTION directly derive from TS_BASE.
14025         * tree-core.h (tree_optimization_option): Derive from tree_base.
14026         (tree_target_option): Likewise.
14027
14028 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
14029
14030         * config/i386/i386.c (memory_address_length): Increase len
14031         only when rip_relative_addr_p returns false.
14032
14033 2017-01-11  Julia Koval  <julia.koval@intel.com>
14034
14035         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
14036         (OPTION_MASK_ISA_SGX_SET): New.
14037         (ix86_handle_option): Handle OPT_msgx.
14038         * config.gcc: Added sgxintrin.h.
14039         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
14040         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
14041         * config/i386/i386.c (ix86_target_string): Add -msgx.
14042         (PTA_SGX): New.
14043         (ix86_option_override_internal): Handle new options.
14044         (ix86_valid_target_attribute_inner_p): Add sgx.
14045         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
14046         * config/i386/i386.opt: Add msgx.
14047         * config/i386/sgxintrin.h: New file.
14048         * config/i386/x86intrin.h: Add sgxintrin.h.
14049
14050 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
14051
14052         PR c++/71537
14053         * fold-const.c (maybe_nonzero_address): Return 1 for function
14054         local objects.
14055         (tree_single_nonzero_warnv_p): Don't handle function local objects
14056         here.
14057
14058         PR c++/72813
14059         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
14060         of c-header.
14061
14062 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
14063
14064         PR driver/78877
14065         * opts.c: Include "spellcheck.h"
14066         (struct string_fragment): New struct.
14067         (struct edit_distance_traits<const string_fragment &>): New
14068         struct.
14069         (get_closest_sanitizer_option): New function.
14070         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
14071
14072 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
14073
14074         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
14075         by 12.
14076         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
14077         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
14078         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
14079         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
14080         for initial die_offset if dwarf_split_debug_info.
14081         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
14082         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
14083         fields.
14084         (output_skeleton_debug_sections): Formatting fix.  Use
14085         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
14086         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
14087
14088 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
14089
14090         * config/arm/cortex-a53.md: Add bypasses for
14091         cortex_a53_r2f_cvt.
14092         (cortex_a53_r2f): Only use for transfers.
14093         (cortex_a53_f2r): Likewise.
14094         (cortex_a53_r2f_cvt): Add reservation for conversions.
14095         (cortex_a53_f2r_cvt): Likewise.
14096
14097 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
14098
14099         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
14100         to all inlined functions, change static to extern.
14101
14102 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
14103
14104         PR target/78253
14105         * config/arm/arm.c (legitimize_pic_address): Handle reference to
14106         weak symbol.
14107         (arm_assemble_integer): Likewise.
14108
14109 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
14110
14111         * config.gcc: Use new awk script to check CPU, FPU and architecture
14112         parameters for --with-... options.
14113         * config/arm/parsecpu.awk: New file
14114         * config/arm/arm-cpus.in: New file.
14115         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
14116         files.
14117         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
14118         files.
14119         * config/arm/t-arm: Update dependency rules.
14120         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
14121         of processing .def files.
14122         * config/arm/genopt.sh: Deleted.
14123         * config/arm/gentune.sh: Deleted.
14124         * config/arm/arm-cores.def: Deleted.
14125         * config/arm/arm-arches.def: Deleted.
14126         * config/arm/arm-fpus.def: Deleted.
14127         * config/arm/arm-tune.md: Regenerated.
14128         * config/arm/arm-tables.opt: Regenerated.
14129         * config/arm/arm-cpu.h: New generated file.
14130         * config/arm/arm-cpu-data.h: New generated file.
14131         * config/arm/arm-cpu-cdata.h: New generated file.
14132
14133 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
14134
14135         PR lto/79042
14136         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
14137         bit.
14138         (input_varpool_node): Unpack dynamically_initialized bit.
14139
14140 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
14141
14142         PR rtl-optimization/79032
14143         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
14144         the alignment of the adjusted memory reference against that of MODE,
14145         instead of the alignment of the original memory reference.
14146
14147 2017-01-11  Martin Jambor  <mjambor@suse.cz>
14148
14149         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
14150         test.
14151         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
14152         decorated functions.
14153
14154 2017-01-11  Richard Biener  <rguenther@suse.de>
14155
14156         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
14157         set range/nonnull info for PHI results.  Do not set it on
14158         stmts marked for removal.
14159
14160 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
14161
14162         * expr.c (store_field): In the bitfield case, fetch the return value
14163         from the registers before applying a single big-endian adjustment.
14164         Always do a final load for a BLKmode value not larger than a word.
14165
14166 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
14167
14168         PR c++/77949
14169         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
14170         that we correctly handle column numbers greater than
14171         LINE_MAP_MAX_COLUMN_NUMBER.
14172
14173 2017-01-10  Martin Sebor  <msebor@redhat.com>
14174
14175         PR middle-end/78245
14176         * gimple-ssa-sprintf.c (get_destination_size): Call
14177         {init,fini}object_sizes.
14178         * tree-object-size.c (addr_object_size): Adjust.
14179         (pass_through_call): Adjust.
14180         (pass_object_sizes::execute): Adjust.
14181         * tree-object-size.h (fini_object_sizes): Declare.
14182
14183 2017-01-10  Martin Sebor  <msebor@redhat.com>
14184
14185         PR tree-optimization/78775
14186         * builtins.c (get_size_range): Move...
14187         * calls.c: ...to here.
14188         (alloc_max_size): Accept zero argument.
14189         (operand_signed_p): Remove.
14190         (maybe_warn_alloc_args_overflow): Call get_size_range.
14191         * calls.h (get_size_range): Declare.
14192
14193 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
14194
14195         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
14196         from TI's devices.csv file as of September 2016.
14197         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
14198
14199 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
14200
14201         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
14202         * doc/invoke.texi: Likewise.
14203         * doc/md.texi: Likewise.
14204         * doc/objc.texi: Likewise.
14205
14206 2017-01-10  Joshua Conner  <joshconner@google.com>
14207
14208         * config/arm/fuchsia-elf.h: New file.
14209         * config/fuchsia.h: New file.
14210         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
14211         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
14212         targets.
14213         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
14214
14215 2016-01-10  Richard Biener  <rguenther@suse.de>
14216
14217         PR tree-optimization/79034
14218         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
14219         Propagate out degenerate PHIs in the joiner.
14220
14221 2017-01-10  Martin Liska  <mliska@suse.cz>
14222
14223         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
14224         (sort_congruence_classes_by_decl_uid): Likewise.
14225         (sort_congruence_class_groups_by_decl_uid): Likewise.
14226         (sem_item_optimizer::merge_classes): Sort class, groups in these
14227         classes and members in the groups by DECL_UID of declarations.
14228         This would make merge operations stable.
14229
14230 2017-01-10  Martin Liska  <mliska@suse.cz>
14231
14232         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
14233         usage of m_classes_vec.
14234         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
14235         (sem_item_optimizer::get_group_by_hash): Likewise.
14236         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
14237         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
14238         (sem_item_optimizer::verify_classes): Likewise.
14239         (sem_item_optimizer::process_cong_reduction): Likewise.
14240         (sem_item_optimizer::dump_cong_classes): Likewise.
14241         (sem_item_optimizer::merge_classes): Likewise.
14242         * ipa-icf.h (congruence_class_hash): Rename from
14243         congruence_class_group_hash.  Remove declaration of m_classes_vec.
14244
14245 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
14246
14247         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
14248         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
14249         * config.gcc: Add avx512vpopcntdqintrin.h.
14250         * config/i386/avx512vpopcntdqintrin.h: New.
14251         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
14252         * config/i386/i386-builtin-types.def: Add new types.
14253         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
14254         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
14255         __builtin_ia32_vpopcountq_v8di_mask): New.
14256         * config/i386/i386-c.c (ix86_target_macros_internal): Define
14257         __AVX512VPOPCNTDQ__.
14258         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
14259         (PTA_AVX512VPOPCNTDQ): Define.
14260         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
14261         TARGET_AVX512VPOPCNTDQ_P): Define.
14262         * config/i386/i386.opt: Add mavx512vpopcntdq.
14263         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
14264         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
14265
14266 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
14267
14268         PR middle-end/77484
14269         * predict.def (PRED_CALL): Set to 67.
14270
14271 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
14272
14273         * expr.c (store_field): In the bitfield case, if the value comes from
14274         a function call and is of an aggregate type returned in registers, do
14275         not modify the field mode; extract the value in all cases if the mode
14276         is BLKmode and the size is not larger than a word.
14277
14278 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
14279
14280         PR target/71017
14281         * config/i386/cpuid.h: Fix undefined behavior.
14282
14283 2017-01-04  Jeff Law  <law@redhat.com>
14284
14285         PR tree-optimization/79007
14286         PR tree-optimization/67955
14287         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
14288         conservative for pt.null when flag_non_call_exceptions is on.
14289
14290 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
14291
14292         PR translation/79019
14293         PR translation/79020
14294         * params.def (PARAM_INLINE_MIN_SPEEDUP,
14295         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
14296         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
14297         in descriptions.
14298         * config/avr/avr.opt (maccumulate-args): Likewise.
14299         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
14300         * common.opt (freport-bug): Likewise.
14301         * cif-code.def (CIF_FINAL_ERROR): Likewise.
14302         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
14303         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
14304         translatable string.
14305         * config/i386/i386.c (function_value_32): Likewise.
14306         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
14307         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
14308         Likewise.
14309         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
14310         * common/config/msp430/msp430-common.c (msp430_handle_option):
14311         Likewise.
14312         * symtab.c (symtab_node::verify_base): Likewise.
14313         * opts.c (set_debug_level): Likewise.
14314         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
14315         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
14316         missing whitespace to translatable strings.
14317         * config/avr/avr.md (bswapsi2): Fix typo in comment.
14318         * config/sh/superh.h: Likewise.
14319         * config/i386/xopintrin.h: Likewise.
14320         * config/i386/znver1.md: Likewise.
14321         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
14322         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
14323         * double-int.h (struct double_int): Likewise.
14324         * double-int.c (div_and_round_double): Likewise.
14325         * wide-int.cc: Likewise.
14326         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
14327         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
14328         * cfgcleanup.c (crossjumps_occured): Renamed to ...
14329         (crossjumps_occurred): ... this.
14330         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
14331         Adjust all uses.
14332
14333         PR tree-optimization/78899
14334         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
14335         returning bool return struct loop *, NULL for failure and the new
14336         loop on success.
14337         (versionable_outer_loop_p): Don't version outer loop if it has
14338         dont_vectorized bit set.
14339         (tree_if_conversion): When versioning outer loop, ensure
14340         tree_if_conversion is performed also on the inner loop of the
14341         non-vectorizable outer loop copy.
14342         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
14343         LOOP_VECTORIZED in inner loop of the scalar outer loop and
14344         prevent vectorization of it.
14345         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
14346         the outer loop vectorization of the non-scalar version is attempted
14347         before vectorization of the inner loop in scalar version.  If
14348         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
14349         vectorization of its inner loop.
14350         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
14351         has 2 inner loops, rename also on edges from bb whose single pred
14352         is outer_loop->header.  Fix typo in function comment.
14353
14354 2017-01-09  Martin Sebor  <msebor@redhat.com>
14355
14356         PR bootstrap/79033
14357         * asan.c (asan_emit_stack_protection): Increase local buffer size
14358         to avoid snprintf truncation warning.
14359
14360 2017-01-09  Andrew Pinski  <apinski@cavium.com>
14361
14362         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
14363         to reference thunderx2t99 for the tuning structure
14364         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
14365         Rename to ...
14366         (thunderx2t99_extra_costs): This.
14367         * config/aarch64/aarch64-tune.md: Regenerate.
14368         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
14369         (vulcan_addrcost_table): This.
14370         (vulcan_regmove_cost): Rename to ...
14371         (thunderx2t99_regmove_cost): This.
14372         (vulcan_vector_cost): Rename to ...
14373         (thunderx2t99_vector_cost): this.
14374         (vulcan_branch_cost): Rename to ...
14375         (thunderx2t99_branch_cost): This.
14376         (vulcan_tunings): Rename to ...
14377         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
14378         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
14379
14380 2017-01-09  Martin Jambor  <mjambor@suse.cz>
14381
14382         PR ipa/78365
14383         PR ipa/78599
14384         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
14385         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
14386         (propagate_vr_accross_jump_function): Use the above function for all
14387         value range computations for pass-through jump functions and type
14388         converasion from explicit value range values.
14389         (ipcp_propagate_stage): Do not attempt to deduce types of formal
14390         parameters from TYPE_ARG_TYPES.
14391         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
14392         (ipa_write_node_info): Stream type of the actual argument.
14393         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
14394
14395 2017-01-09  Martin Liska  <mliska@suse.cz>
14396
14397         PR pch/78970
14398         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
14399         (lookup_compiler): Do not show error message with have_E.
14400
14401 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
14402
14403         PR tree-optimization/78938
14404         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
14405         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
14406         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
14407         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
14408         fixes.
14409
14410 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14411
14412         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
14413         is const0_rtx.
14414
14415 2017-01-09  Richard Biener  <rguenther@suse.de>
14416
14417         PR tree-optimization/78997
14418         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
14419         name condition properly.
14420
14421 2017-01-09  Richard Biener  <rguenther@suse.de>
14422
14423         PR debug/79000
14424         * dwarf2out.c (is_cxx): New overload with context.
14425         (is_naming_typedef_decl): Use it.
14426
14427 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
14428
14429         * invoke.texi (Option Summary): Correct spacing in option lists
14430         and add line breaks to fix over-long lines.
14431
14432 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
14433
14434         PR middle-end/17660
14435
14436         * extend.texi (Common Variable Attributes): Add xref to GCC
14437         Internals manual to explain mode attribute keywords.
14438
14439 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
14440
14441         PR other/16519
14442         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
14443         and Preprocessor Options.
14444         (Options for Linking): Document -pthread here....
14445         (RS/6000 and PowerPC Options): ...not here.
14446         (Solaris 2 Options): ...or here.
14447         * doc/cppopts.texi: Document -pthread.
14448
14449 2017-01-08  Martin Sebor  <msebor@redhat.com>
14450
14451         PR middle-end/77708
14452         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
14453         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
14454         New member functions.
14455         (format_directive): Used them.
14456         (add_bytes): Same.
14457         (pass_sprintf_length::handle_gimple_call): Same.
14458         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
14459         to avoid truncation for any argument.
14460         (extract_affine_mul): Same.
14461         * tree.c (get_file_function_name): Same.
14462
14463 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
14464
14465         PR middle-end/77484
14466         * predict.def (PRED_INDIR_CALL): Set to 86.
14467
14468 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
14469
14470         PR preprocessor/54124
14471         * doc/cppopts.texi: Reformat -d subtable to list the full name
14472         of the options.  Add cross-reference to the docs for the general
14473         compiler -d options.
14474         * doc/invoke.texi (Developer Options): Add cross-reference to the
14475         preprocessor-specific -d option documentation.
14476
14477 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
14478
14479         PR preprocessor/13498
14480         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
14481         redudant material, and reflect new command-line options.
14482         (System Headers): Likewise.
14483
14484 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
14485
14486         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
14487         -isystem, and -idirafter.  Copy-edit.
14488         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
14489         default for -ftrack-macro-expansion.  Delete obsolete and
14490         badly-formatted implementation details about -fdebug-cpp output.
14491         * doc/cppwarnopts.texi: Copy-edit.
14492
14493 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
14494
14495         PR c++/72803
14496         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
14497         that the transition from a max line width >= 1<<10 to narrower
14498         lines works correctly.
14499
14500 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
14501
14502         * doc/options.texi (PerFunction): New.
14503         * opt-functions.awk (switch_flags): Map both Optimization and
14504         PerFunction to CL_OPTIMIZATION.
14505         * opth-gen.awk: Test for PerFunction flag along with
14506         Optimization.
14507         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
14508         it only when the latter is present.  Skip those that don't in
14509         the hash function generator.
14510         * common.opt (fvar-tracking): Mark as PerFunction instead of
14511         Optimization.
14512         (fvar-tracking-assignments): Likewise.
14513         (fvar-tracking-assignments-toggle): Likewise.
14514         (fvar-tracking-uninit): Likewise.
14515
14516 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
14517
14518         PR translation/79018
14519         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
14520         the and store.
14521
14522 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
14523
14524         PR target/57583
14525         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
14526         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
14527         TARGET_LONG_JUMP_TABLE_OFFSETS.
14528         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
14529         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
14530         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
14531         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
14532         * config/m68k/m68k.md (tablejump expander): Likewise.
14533         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
14534         TARGET_LONG_JUMP_TABLE_OFFSETS.
14535         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
14536         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
14537
14538 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
14539             David Holsgrove <david.holsgrove@xilinx.com>
14540
14541         * common/config/microblaze/microblaze-common.c
14542         (TARGET_EXCEPT_UNWIND_INFO): Remove.
14543         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
14544         New prototype.
14545         * config/microblaze/microblaze.c (microblaze_must_save_register)
14546         (microblaze_expand_epilogue, microblaze_return_addr): Handle
14547         calls_eh_return.
14548         (microblaze_eh_return): New function.
14549         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
14550         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
14551         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
14552         * config/microblaze/microblaze.md (eh_return): New pattern.
14553
14554 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
14555
14556         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
14557         GCC_DIAGNOSTIC_STRINGIFY): Define.
14558
14559         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
14560
14561 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
14562
14563         * config/arm/arm.md (<mcrr>): New.
14564         (<mrrc>): New.
14565         * config/arm/arm.c (arm_arch5te): New.
14566         (arm_option_override): Set arm_arch5te.
14567         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
14568         and mrrc2.
14569         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
14570         (arm_mcrr_qualifiers): ... this. New.
14571         (MRRC_QUALIFIERS): Define to...
14572         (arm_mrrc_qualifiers): ... this. New.
14573         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
14574         __arm_mrrc2): New.
14575         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
14576         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
14577         (MRRCI, mrrc, MRRC): New.
14578         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
14579         VUNSPEC_MRRC2): New.
14580
14581 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
14582
14583         * config/arm/arm.md (<mcr>): New.
14584         (<mrc>): New.
14585         * config/arm/arm.c (arm_coproc_builtin_available): Add
14586         support for mcr, mrc, mcr2 and mrc2.
14587         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
14588         (arm_mcr_qualifiers): ... this. New.
14589         (MRC_QUALIFIERS): Define to ...
14590         (arm_mrc_qualifiers): ... this. New.
14591         (MCR_QUALIFIERS): Define to ...
14592         (arm_mcr_qualifiers): ... this. New.
14593         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
14594         __arm_mrc2): New.
14595         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
14596         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
14597         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
14598         VUNSPEC_MRC2): New.
14599
14600 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
14601
14602         * config/arm/arm.md (*ldc): New.
14603         (*stc): New.
14604         (<ldc>): New.
14605         (<stc>): New.
14606         * config/arm/arm.c (arm_coproc_builtin_available): Add
14607         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
14608         (arm_coproc_ldc_stc_legitimate_address): New.
14609         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
14610         'qualifier_const_pointer'.
14611         (LDC_QUALIFIERS): Define to...
14612         (arm_ldc_qualifiers): ... this. New.
14613         (STC_QUALIFIERS): Define to...
14614         (arm_stc_qualifiers): ... this. New.
14615         * config/arm/arm-protos.h
14616         (arm_coproc_ldc_stc_legitimate_address): New.
14617         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
14618         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
14619         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
14620         stc2, stcl, stc2l): New.
14621         * config/arm/constraints.md (Uz): New.
14622         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
14623         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
14624         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
14625         VUNSPEC_STC2L): New.
14626
14627 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
14628
14629         * config/arm/arm.md (<cdp>): New.
14630         * config/arm/arm.c (neon_const_bounds): Rename this ...
14631         (arm_const_bounds): ... this.
14632         (arm_coproc_builtin_available): New.
14633         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
14634         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
14635         (CDP_QUALIFIERS): Define to...
14636         (arm_cdp_qualifiers): ... this. New.
14637         (void_UP): Define.
14638         (arm_expand_builtin_args): Add case for 6 arguments.
14639         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
14640         (arm_const_bounds): ... this.
14641         (arm_coproc_builtin_available): New.
14642         * config/arm/arm_acle.h (__arm_cdp): New.
14643         (__arm_cdp2): New.
14644         * config/arm/arm_acle_builtins.def (cdp): New.
14645         (cdp2): New.
14646         * config/arm/iterators.md (CDPI,CDP,cdp): New.
14647         * config/arm/neon.md: Rename all 'neon_const_bounds' to
14648         'arm_const_bounds'.
14649         * config/arm/types.md (coproc): New.
14650         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
14651         * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
14652         * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
14653         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
14654
14655 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
14656
14657         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
14658         (UBINOP_QUALIFIERS): New.
14659         (si_UP): Define.
14660         (acle_builtin_data): New. Change comment.
14661         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
14662         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
14663         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
14664         arm_acle_builtins.def.
14665         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
14666         (arm_init_acle_builtins): New.
14667         (CRC32_BUILTIN): Remove.
14668         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
14669         crc32cb, crc32ch and crc32cw.
14670         (arm_init_crc32_builtins): Remove.
14671         (arm_init_builtins): Use arm_init_acle_builtins rather
14672         than arm_init_crc32_builtins.
14673         (arm_expand_acle_builtin): New.
14674         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
14675         * config/arm/arm_acle_builtins.def: New.
14676
14677 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
14678
14679         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
14680         (arm_builtin_datum): ... this.
14681         (arm_init_neon_builtin): Rename to ...
14682         (arm_init_builtin): ... this. Add a new parameters PREFIX
14683         and USE_SIG_IN_NAME.
14684         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
14685         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
14686         'arm_builtin_datum'.
14687         (arm_init_vfp_builtins): Likewise.
14688         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
14689         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
14690         (arm_expand_neon_args): Rename to ...
14691         (arm_expand_builtin_args): ... this. Rename builtin_arg
14692         enum values and differentiate between ARG_BUILTIN_MEMORY
14693         and ARG_BUILTIN_NEON_MEMORY.
14694         (arm_expand_neon_builtin_1): Rename to ...
14695         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
14696         values, arm_expand_builtin_args and add bool parameter NEON.
14697         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
14698         (arm_expand_vfp_builtin): Likewise.
14699         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
14700
14701 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
14702
14703         PR middle-end/77484
14704         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
14705         * predict.c (tree_estimate_probability_bb): Reverse direction of
14706         polymorphic call predictor.
14707
14708 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
14709
14710         * passes.c (execute_one_pass): Split out pass-skipping logic into...
14711         (determine_pass_name_match): ...this new function and...
14712         (should_skip_pass_p): ...this new function.
14713
14714 2017-01-06  Nathan Sidwell  <nathan@acm.org>
14715
14716         * ipa-visibility.c (function_and_variable_visibility): Reformat
14717         comments and long lines.  Remove extrneous if.
14718         * symtab.c (symtab_node::make_decl_local): Fix code format.
14719         (symtab_node::set_section_for_node): Fix comment typo.
14720
14721 2017-01-06  Martin Liska  <mliska@suse.cz>
14722
14723         PR bootstrap/79003
14724         * lra-constraints.c: Rename invariant to lra_invariant.
14725         * predict.c (set_even_probabilities): Initialize e to NULL.
14726
14727 2017-01-05  Martin Sebor  <msebor@redhat.com>
14728
14729         PR tree-optimization/78910
14730         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
14731         (format_integer): Correct off-by-one error in the handling
14732         of precision with negative numbers in signed conversions..
14733
14734 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
14735
14736         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
14737
14738 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
14739
14740         PR tree-optimization/71016
14741         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
14742         factor_out_conditional_conversion.  Formatting fix.
14743         (factor_out_conditional_conversion): Add cond_stmt argument.
14744         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
14745         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
14746         Formatting fix.
14747
14748 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
14749
14750         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
14751         read-rtl-function.o, and selftest-rtl.o.
14752         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
14753         (selftest::aarch64_test_loading_full_dump): New function.
14754         (selftest::aarch64_run_selftests): New function.
14755         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
14756         selftest::aarch64_run_selftests.
14757         * config/i386/i386.c
14758         (selftest::ix86_test_loading_dump_fragment_1): New function.
14759         (selftest::ix86_test_loading_call_insn): New function.
14760         (selftest::ix86_test_loading_full_dump): New function.
14761         (selftest::ix86_test_loading_unspec): New function.
14762         (selftest::ix86_run_selftests): Call the new functions.
14763         * emit-rtl.c (maybe_set_max_label_num): New function.
14764         * emit-rtl.h (maybe_set_max_label_num): New decl.
14765         * function.c (instantiate_decls): Guard call to
14766         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
14767         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
14768         "static".
14769         * gensupport.c (gen_reader::gen_reader): Pass "false"
14770         for new "compact" param of rtx_reader.
14771         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
14772         rather than an empty string for NULL strings.
14773         * read-md.c: Potentially include config.h rather than bconfig.h.
14774         Wrap include of errors.h with #ifdef GENERATOR_FILE.
14775         (have_error): New global, copied from errors.c.
14776         (md_reader::read_name): Rename to...
14777         (md_reader::read_name_1): ...this, adding "out_loc" param,
14778         and converting "missing name or number" to returning false, rather
14779         than failing.
14780         (md_reader::read_name): Reimplement in terms of read_name_1.
14781         (md_reader::read_name_or_nil): New function.
14782         (md_reader::read_string): Handle "(nil)" by returning NULL.
14783         (md_reader::md_reader): Add new param "compact".
14784         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
14785         (md_reader::read_file): New method.
14786         * read-md.h (md_reader::md_reader): Add new param "compact".
14787         (md_reader::read_file): New method.
14788         (md_reader::is_compact): New accessor.
14789         (md_reader::read_name): Convert return type from void to file_location.
14790         (md_reader::read_name_or_nil): New decl.
14791         (md_reader::read_name_1): New decl.
14792         (md_reader::m_compact): New field.
14793         (noop_reader::noop_reader): Pass "false" for new "compact" param
14794         of rtx_reader.
14795         (rtx_reader::rtx_reader): Add new "compact" param.
14796         (rtx_reader::read_rtx_operand): Make virtual and convert return
14797         type from void to rtx.
14798         (rtx_reader::read_until): New decl.
14799         (rtx_reader::handle_any_trailing_information): New virtual function.
14800         (rtx_reader::postprocess): New virtual function.
14801         (rtx_reader::finalize_string): New virtual function.
14802         (rtx_reader::m_in_call_function_usage): New field.
14803         (rtx_reader::m_reuse_rtx_by_id): New field.
14804         * read-rtl-function.c: New file.
14805         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
14806         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
14807         (selftest::verify_three_block_rtl_cfg): New decl.
14808         * read-rtl-function.h: New file.
14809         * read-rtl.c: Potentially include config.h rather than bconfig.h.
14810         For host, include function.h, memmodel.h, and emit-rtl.h.
14811         (one_time_initialization): New function.
14812         (struct compact_insn_name): New struct.
14813         (compact_insn_names): New array.
14814         (find_code): Handle insn codes in compact dumps.
14815         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
14816         (bind_subst_iter_and_attr): Likewise.
14817         (add_condition_to_string): Likewise.
14818         (add_condition_to_rtx): Likewise.
14819         (apply_attribute_uses): Likewise.
14820         (add_current_iterators): Likewise.
14821         (apply_iterators): Likewise.
14822         (initialize_iterators): Guard usage of apply_subst_iterator with
14823         #ifdef GENERATOR_FILE.
14824         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
14825         (md_reader::read_mapping): Likewise.
14826         (add_define_attr_for_define_subst): Likewise.
14827         (add_define_subst_attr): Likewise.
14828         (read_subst_mapping): Likewise.
14829         (check_code_iterator): Likewise.
14830         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
14831         logic to...
14832         (one_time_initialization): New function.
14833         (rtx_reader::read_until): New method.
14834         (read_flags): New function.
14835         (parse_reg_note_name): New function.
14836         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
14837         Handle reuse_rtx ids.
14838         Wrap iterator lookup within #ifdef GENERATOR_FILE.
14839         Add parsing support for RTL dumps, mirroring the special-cases in
14840         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
14841         values, and calling handle_any_trailing_information.
14842         (rtx_reader::read_rtx_operand): Convert return type from void
14843         to rtx, returning return_rtx.  Handle case 'e'.  Call
14844         finalize_string on XSTR and XTMPL fields.
14845         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
14846          "(nil)" values were omitted.  Call the postprocess vfunc on the
14847         return_rtx.
14848         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
14849         class ctor.  Initialize m_in_call_function_usage.  Call
14850         one_time_initialization.
14851         * rtl-tests.c (selftest::test_uncond_jump): Call
14852         set_new_first_and_last_insn.
14853         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
14854         * selftest-rtl.c: New file.
14855         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
14856         (selftest::get_insn_by_uid): New decl.
14857         * selftest-run-tests.c (selftest::run_tests): Call
14858         read_rtl_function_c_tests.
14859         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
14860         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
14861         dumps.
14862
14863 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
14864
14865         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
14866         operands in a special way.  Assert that pos+len <= mode precision.
14867
14868 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
14869
14870         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
14871         3 argument Alias with unlimited for the negative form.
14872         (fno-vect-cost-model): Removed.
14873
14874 2017-01-05  Martin Liska  <mliska@suse.cz>
14875
14876         * hsa-gen.c (gen_hsa_divmod): New function.
14877         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
14878
14879 2017-01-05  Martin Liska  <mliska@suse.cz>
14880
14881         PR pch/78970
14882         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
14883         header.
14884
14885 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14886
14887         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
14888         small constant length operands.
14889
14890 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14891
14892         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
14893         between loop iterations.
14894
14895 2017-01-05  Martin Liska  <mliska@suse.cz>
14896
14897         PR sanitizer/78815
14898         * gimplify.c (gimplify_decl_expr): Compare to
14899         asan_poisoned_variables instread of checking flags.
14900         (gimplify_target_expr): Likewise.
14901         (gimplify_expr): Likewise.
14902         (gimplify_function_tree): Conditionally initialize
14903         asan_poisoned_variables.
14904
14905 2017-01-04  Jeff Law  <law@redhat.com>
14906
14907         PR tree-optimizatin/78812
14908         * rtl.h (contains_mem_rtx_p): Prototype.
14909         * ifcvt.c (containts_mem_rtx_p): Move from here to...
14910         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
14911         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
14912         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
14913         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
14914
14915 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
14916
14917         * input.c (assert_char_at_range): Default-initialize actual_range.
14918
14919 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
14920
14921         * df-scan.c (df_ref_create_structure): Make regno unsigned,
14922         to match the caller.
14923
14924 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
14925
14926         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
14927         insns after final jump in test to emit dummy move.
14928
14929 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
14930
14931         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
14932         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
14933
14934 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
14935
14936         * multiple_target.c (create_dispatcher_calls): Init e_next.
14937         * tree-ssa-loop-split.c (split_loop): Init border.
14938         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
14939         scalar_type.
14940
14941 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
14942
14943         PR target/71977
14944         PR target/70568
14945         PR target/78823
14946         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
14947         (altivec_register_operand): Do not return true if the operand
14948         contains a SUBREG mixing SImode and SFmode.
14949         (vsx_register_operand): Likewise.
14950         (vsx_reg_sfsubreg_ok): New predicate.
14951         (vfloat_operand): Do not return true if the operand contains a
14952         SUBREG mixing SImode and SFmode.
14953         (vint_operand): Likewise.
14954         (vlogical_operand): Likewise.
14955         (gpc_reg_operand): Likewise.
14956         (int_reg_operand): Likewise.
14957         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
14958         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
14959         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
14960         SImode and SFmode.
14961         (rs6000_emit_move_si_sf_subreg): New helper function.
14962         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
14963         fixup SUBREGs involving SImode and SFmode.
14964         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
14965         numbers for the new peephole2 optimization.
14966         (peephole2 for SFmode unions): New peephole2 to optimize cases in
14967         the GLIBC math library that do AND/IOR/XOR operations on single
14968         precision floating point.
14969         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
14970         target macros to say whether we need to avoid SUBREGs mixing
14971         SImode and SFmode.
14972         (TARGET_ALLOW_SF_SUBREG): Likewise.
14973         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
14974         (UNSPEC_SI_FROM_SF): Likewise.
14975         (iorxor): Change spacing.
14976         (and_ior_xor): New iterator for AND, IOR, and XOR.
14977         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
14978         (movdi_from_sf_zero_ext): Likewise.
14979         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
14980         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
14981         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
14982         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
14983         (fms<mode>4): Likewise.
14984         (fnma<mode>4): Likewise.
14985         (fnms<mode>4): Likewise.
14986         (nfma<mode>4): Likewise.
14987         (nfms<mode>4): Likewise.
14988
14989 2017-01-04  Marek Polacek  <polacek@redhat.com>
14990
14991         PR c++/64767
14992         * doc/invoke.texi: Document -Wpointer-compare.
14993
14994 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
14995
14996         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
14997         RejectNegative.
14998
14999         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
15000         descriptions for -gdwarf-5 and emit them as uleb128 instead of
15001         2-byte data.
15002
15003 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
15004
15005         PR target/78056
15006         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
15007         documentation of the powerpc_popcntb_ok attribute.
15008         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
15009         code to issue warning messages if a requested CPU configuration is
15010         not supported by the binary (assembler and loader) toolchain.
15011         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
15012         made to define a built-in function that has been disabled.
15013         (paired_init_builtins): Add assertion to prevent ICE if attempt is
15014         made to define a built-in function that has been disabled.
15015         (altivec_init_builtins): Add comment explaining why definition
15016         of the DST built-in functions is not preceded by an assertion
15017         check.  Add assertions to prevent ICE if attempts are made to
15018         define an altivec predicate or an abs* built-in function that has
15019         been disabled.
15020         (htm_init_builtins): Add comment explaining why definition of the
15021         htm built-in functions is not preceded by an assertion check.
15022
15023 2017-01-04  Jeff Law  <law@redhat.com>
15024
15025         PR tree-optimizatin/67955
15026         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
15027         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
15028         the points-to solution does not include pt_null.  Use DECL_PT_UID
15029         unconditionally.
15030
15031 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
15032
15033         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
15034         Use gen_int_mode instead of gen_lopwart for const_int operands.
15035
15036 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
15037
15038         PR tree-optimization/71563
15039         * match.pd: Simplify X << Y into X if Y is known to be 0 or
15040         out of range value - has low bits known to be zero.
15041
15042 2017-01-04  Alan Modra  <amodra@gmail.com>
15043
15044         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
15045         * configure: Regenerate.
15046         * config.in: Regenerate.
15047
15048 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
15049
15050         PR bootstrap/77569
15051         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
15052         a substring of the message, but strcmp with the whole message.  Ifdef
15053         ENABLE_NLS, translate the message first using dgettext.
15054
15055 2017-01-03  Jeff Law  <law@redhat.com>
15056
15057         PR tree-optimizatin/78856
15058         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
15059         (mark_threaded_blocks): Remove code to truncate thread paths that
15060         cross multiple loop headers.  Instead invalidate the cached loop
15061         iteration information and handle case of a thread path walking
15062         into an irreducible region.
15063
15064 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
15065
15066         PR target/78900
15067         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
15068         assertions.  Add support for doing the signbit if the IEEE 128-bit
15069         floating point value is in a GPR.
15070         * config/rs6000/rs6000.md (Fsignbit): Delete.
15071         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
15072         Update the length attribute if the value is in a GPR.
15073         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
15074         the sign or zero extension instruction, since the value is always 0/1.
15075         (signbit<mode>2_dm2): Delete using <Fsignbit>.
15076
15077         PR target/78953
15078         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
15079         extracting SImode to a GPR register so that we can generate a
15080         store, limit the vector to be in a traditional Altivec register
15081         for the vextuwrx instruction.
15082
15083 2017-01-03  Ian Lance Taylor  <iant@google.com>
15084
15085         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
15086
15087 2017-01-03  Martin Sebor  <msebor@redhat.com>
15088
15089         PR tree-optimization/78696
15090         * gimple-ssa-sprintf.c (format_floating): Correct handling of
15091         precision.  Use MPFR for %f for greater fidelity.  Correct handling
15092         of %g.
15093         (pass_sprintf_length::compute_format_length): Set width and precision
15094         specified by asrerisk to void_node for vararg functions.
15095         (try_substitute_return_value): Adjust dump output.
15096
15097 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
15098
15099         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
15100
15101 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
15102
15103         * doc/invoke.texi (SPARC options): Document -mlra as the default.
15104         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
15105         -mlra/-mno-lra was passed to the compiler.
15106
15107 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
15108
15109         PR rtl-optimization/65618
15110         * emit-rtl.c (try_split): Move initialization of "before" and
15111         "after" to just before the call to emit_insn_after_setloc.
15112
15113 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
15114
15115         * doc/md.texi (Standard Names): Remove reference to Java frontend.
15116
15117 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
15118
15119         * dwarf2out.c (gen_enumeration_type_die): When
15120         -gno-strict-dwarf, add a DW_AT_encoding attribute.
15121
15122 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
15123
15124         PR tree-optimization/78965
15125         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
15126         Change first argument from const call_info & to call_info &.  For %n
15127         set info.nowrite to false.
15128
15129         PR middle-end/78901
15130         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
15131         possibly throwing calls.
15132
15133         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
15134         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
15135         and fns handling, rather than in a separate case SSA_NAME.
15136
15137 2017-01-02  Jeff Law  <law@redhat.com>
15138
15139         * config/darwin-driver.c (darwin_driver_init): Const-correctness
15140         fixes for first_period and second_period variables.
15141
15142 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
15143
15144         PR target/78967
15145         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
15146         (*insvqi_1): New insn pattern.
15147         (*insvqi_1_mem_rex64): Ditto.
15148         (*insvqi_2): Ditto.
15149         (*insvqi_3): Rename from *insvqi.
15150
15151         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
15152
15153 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
15154
15155         * doc/cfg.texi (Edges): Remove reference to Java.
15156         (Maintaining the CFG): Ditto.
15157
15158 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
15159
15160         PR middle-end/77674
15161         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
15162         transparent aliases.
15163
15164 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
15165
15166         PR middle-end/77484
15167         * predict.def (PRED_CALL): Update hitrate.
15168         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
15169         * predict.c (tree_estimate_probability_bb): Split CALL predictor
15170         into direct/indirect/polymorphic variants.
15171
15172 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
15173
15174         Update copyright years.
15175
15176         * gcc.c (process_command): Update copyright notice dates.
15177         * gcov-dump.c (print_version): Ditto.
15178         * gcov.c (print_version): Ditto.
15179         * gcov-tool.c (print_version): Ditto.
15180         * gengtype.c (create_file): Ditto.
15181         * doc/cpp.texi: Bump @copying's copyright year.
15182         * doc/cppinternals.texi: Ditto.
15183         * doc/gcc.texi: Ditto.
15184         * doc/gccint.texi: Ditto.
15185         * doc/gcov.texi: Ditto.
15186         * doc/install.texi: Ditto.
15187         * doc/invoke.texi: Ditto.
15188 \f
15189 Copyright (C) 2017 Free Software Foundation, Inc.
15190
15191 Copying and distribution of this file, with or without modification,
15192 are permitted in any medium without royalty provided the copyright
15193 notice and this notice are preserved.