gcc/ChangeLog

   1 2017-06-9  Ian Lance Taylor  <iant@golang.org>
   2
   3         * opts.c (finish_options): If -fsplit-stack, disable implicit
   4         -forder-blocks-and-partition.
   5         * doc/invoke.texi (Optimize Options): Document that when using
   6         -fsplit-stack -forder-blocks-and-partition is not implicitly
   7         enabled.
   8
   9 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
  10
  11         * builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST,
  12         ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST,
  13         ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST): New.
  14         * builtins.def (abort, trap, unreachable): Declare cold.
  15         * calls.c (flags_from_decl_or_type): Lookup ECF_COLD.
  16         * tree-core.h (ECF_COLD): New.
  17         * tree.c (set_call_expr_flags): Handle ECF_COLD.
  18         (build_common_builtin_nodes): Mark unreachable and abort as cold.
  19
  20 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
  21
  22         * predict.c (unlikely_executed_stmt_p): Cleanup.
  23
  24 2017-06-09  Richard Biener  <rguenther@suse.de>
  25
  26         * tree-ssa-loop-im.c (execute_sm): Do not force multi-threaded
  27         model if the ref is always written to.
  28
  29 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
  30
  31         * config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2): New.
  32
  33 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
  34
  35         * config/arm/arm.c (arm_rtx_costs_internal): Make sdiv more expensive
  36         than udiv.
  37
  38 2017-06-09  Tom de Vries  <tom@codesourcery.com>
  39
  40         PR target/80855
  41         * config/nvptx/nvptx.md (define_expand "mov<QHSDISDFM>"): Error out with
  42         "target cannot support label values" when encountering LABEL_REF.
  43
  44 2017-06-09  Martin Liska  <mliska@suse.cz>
  45
  46         * tree-profile.c (gimple_gen_ic_profiler): Update comment.
  47         (gimple_gen_ic_func_profiler): Emit direct comparison
  48         of __gcov_indirect_call_callee with NULL.
  49         (gimple_gen_time_profiler): Change probability from
  50         PROB_VERY_UNLIKELY to PROB_UNLIKELY.
  51
  52 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
  53
  54         * profile.c (edge_gcov_counts): Turn to pointer.
  55         (compute_branch_probabilities, compute_branch_probabilities): Update.
  56         (branch_prob): Do not clear edge_gcov_count.
  57         * profile.h (edge_gcov_counts): Turn to pointer.
  58         (edge_gcov_count): Update.
  59
  60 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
  61
  62         * gimple.h (gimple_check_failed): Mark cold.
  63
  64 2017-06-09  Richard Biener  <rguenther@suse.de>
  65
  66         PR tree-optimization/66623
  67         * tree-vect-loop.c (vect_is_simple_reduction): Cleanup,
  68         refactor check_reduction into two parts, properly computing
  69         whether we have to check reduction validity for outer loop
  70         vectorization.
  71
  72 2017-06-09  Richard Biener  <rguenther@suse.de>
  73
  74         PR tree-optimization/79483
  75         * graphite-scop-detection.c (order): New global.
  76         (get_order): Compute bb to order mapping that satisfies code
  77         generation constraints.
  78         (cmp_pbbs): New helper.
  79         (build_scops): Start domwalk at entry block, sort generated
  80         pbbs.
  81
  82 2017-06-09  Richard Biener  <rguenther@suse.de>
  83
  84         PR middle-end/81007
  85         * ipa-polymorphic-call.c
  86         (ipa_polymorphic_call_context::restrict_to_inner_class):
  87         Skip FIELD_DECLs with error_mark_node type.
  88         * passes.def (all_lowering_passes): Run pass_build_cgraph_edges
  89         last again.
  90
  91 2017-06-09  Martin Liska  <mliska@suse.cz>
  92
  93         * predict.c (struct branch_predictor): New struct.
  94         (test_prediction_value_range): New test.
  95         (predict_c_tests): New function.
  96         * selftest-run-tests.c (selftest::run_tests): Run the function.
  97         * selftest.h: Declare new tests.
  98
  99 2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
 100
 101         PR target/80966
 102         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
 103         gen_add3_insn did not fail.
 104         * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
 105         r0, construct that number in a temporary reg and add that reg to r0.
 106         If asked to put the result in r0 as well, fail.
 107
 108 2017-06-08  Will Schmidt  <will_schmidt@vnet.ibm.com>
 109
 110         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
 111         for early expansion of vec_eqv.
 112
 113 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
 114
 115         PR middle-end/81005
 116         * ubsan.c (instrument_null): Avoid pointless code temporary.
 117         (pass_ubsan::execute): Instrument aggregate arguments of calls.
 118
 119 2017-06-08  Uros Bizjak  <ubizjak@gmail.com>
 120
 121         PR target/81015
 122         Revert:
 123         2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
 124
 125         PR target/59874
 126         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
 127         (*clzhi2): Ditto.
 128
 129 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 130
 131         * predict.c (unlikely_executed_edge_p): Move ahead.
 132         (probably_never_executed_edge_p): Use it.
 133
 134 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
 135
 136         PR middle-end/79988
 137         * tree-chkp.c (chkp_gimple_call_builtin_p): Remove
 138         gimple_call_builtin_p call.
 139
 140 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 141
 142         * system.h (fancy_abort): Annotate by ATTRIBUTE_COLD.
 143         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
 144         rtl_check_failed_type2, rtl_check_failed_code1,
 145         rtl_check_failed_code2, rtl_check_failed_code_mode,
 146         rtl_check_failed_block_symbol, cwi_check_failed_bounds,
 147         rtvec_check_failed_bounds, rtl_check_failed_flag,
 148         _fatal_insn_not_found, _fatal_insn): Likewise.
 149         * tree.h (tree_contains_struct_check_failed,
 150         tree_check_failed, tree_not_check_failed,
 151         tree_class_check_failed, tree_range_check_failed,
 152         tree_not_class_check_failed, tree_int_cst_elt_check_failed,
 153         tree_vec_elt_check_failed, phi_node_elt_check_failed,
 154         tree_operand_check_failed, omp_clause_check_failed,
 155         omp_clause_operand_check_failed, omp_clause_range_check_failed):
 156         Likewise.
 157
 158 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 159
 160         * cgraph.c (cgraph_edge::maybe_hot_p): Do not check
 161         flag_branch_probabilities.
 162         * ipa-inline.c (edge_badness): Likewise.
 163         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
 164         * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
 165         * predict.c (maybe_hot_frequency_p): Likewise.
 166         (probably_never_executed): Likewise.
 167         * sched-ebb.c (schedule_ebbs): Likewise.
 168         * sched-rgn.c (find_single_block_region): Likewise.
 169         * tracer.c (tail_duplicate): Likewise.
 170
 171 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 172
 173         * opts.c (finish_options): x_flag_reorder_blocks_and_partition no
 174         longer requires x_flag_profile_use.
 175
 176 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 177
 178         * cfgrtl.c (cfg_layout_initialize): Check crtl->has_bb_partition
 179         instead of flag_reorder_blocks_and_partition.
 180         * dbxout.c (dbxout_function_end): Likewise.
 181         * dwarf2out.c (gen_subprogram_die): Likewise.
 182         * haifa-sched.c (sched_create_recovery_edges): Likewise.
 183         * hw-doloop.c (reorg_loops): Likewise.
 184         * varasm.c (assemble_start_function,
 185         assemble_end_function): Likewise.
 186         (decide_function_section): Do not check for
 187         flag_reorder_blocks_and_partition.
 188
 189 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
 190
 191         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
 192         New function.
 193         (chkp_get_hard_register_fake_addr_expr): Ditto.
 194         (chkp_build_addr_expr): Add check for hard reg case.
 195         (chkp_parse_array_and_component_ref): Ditto.
 196         (chkp_find_bounds_1): Ditto.
 197         (chkp_process_stmt): Don't generate bounds store for
 198         hard reg case.
 199
 200 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 201
 202         * predict.c (maybe_hot_bb_p): Do not check profile status.
 203         (maybe_hot_edge_p): Likewise.
 204         (probably_never_executed): Check for zero counts even if profile
 205         is not read.
 206         (unlikely_executed_edge_p): New function.
 207         (unlikely_executed_stmt_p): New function.
 208         (unlikely_executed_bb_p): New function.
 209         (set_even_probabilities): Use unlikely predicates.
 210         (combine_predictions_for_bb): Likewise.
 211         (predict_paths_for_bb): Likewise.
 212         (predict_paths_leading_to_edge): Likewise.
 213         (determine_unlikely_bbs): New function.
 214         (estimate_bb_frequencies): Use it.
 215         (compute_function_frequency): Use zero counts even if profile is
 216         not read.
 217         * profile-count.h: Fix typo.
 218
 219 2017-08-08  Julia Koval  <julia.koval@intel.com>
 220
 221         * config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
 222         _mm512_mask_cvtsepi16_storeu_epi8,
 223         _mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
 224         * config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
 225         _mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
 226         _mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
 227         _mm_mask_cvtepi16_storeu_epi8): New intrinsics.
 228         * config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
 229         (VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
 230         VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
 231         * config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
 232         __builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
 233         __builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
 234         __builtin_ia32_pmovuswb256mem_mask,
 235         __builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
 236         __builtin_ia32_pmovwb512mem_mask): New builtins.
 237
 238 2017-08-08  Julia Koval  <julia.koval@intel.com>
 239
 240         PR target/73350,80862
 241         * config/i386/subst.md (round): Fix round pattern.
 242         * config/i386/i386.c (ix86_erase_embedded_rounding):
 243         Fix erasing rounding for the fixed pattern.
 244
 245 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 246
 247         * cfgbuild.c (find_many_sub_basic_blocks): Fix thinko.
 248
 249 2017-06-08  Martin Liska  <mliska@suse.cz>
 250
 251         PR gcov-profile/80911
 252         * gcov.c (block_info::block_info): New constructor.
 253
 254 2017-06-07  Carl Love  <cel@us.ibm.com>
 255
 256         * config/rs6000/rs6000-c: The return type of the following
 257         built-in functions was implemented as int not long long.  Fix sign
 258         of return value for the unsigned version of vec_mulo and vec_mule.
 259         vector unsigned long long vec_bperm (vector unsigned long long,
 260                                              vector unsigned char)
 261         vector signed long long vec_mule (vector signed int,
 262                                           vector signed int)
 263         vector unsigned long long vec_mule (vector unsigned int,
 264                                             vector unsigned int)
 265         vector signed long long vec_mulo (vector signed int,
 266                                           vector signed int)
 267         vector unsigned long long vec_mulo (vector unsigned int,
 268                                             vector unsigned int)
 269         * doc/extend.texi: Fix the documentation for the built-in
 270         functions.
 271
 272 2017-06-07  Carl Love  <cel@us.ibm.com>
 273
 274         PR target/80982
 275         * config/rs6000/altivec.md (double<mode>2): Fix the implementation of
 276         for BE.
 277
 278 2017-06-07  Carl Love  <cel@us.ibm.com>
 279
 280         * config/rs6000/altivec.md: Fix argument swizzle in vec_doublel
 281         support, Generate       doublehv for signed int/float for BE case only.
 282
 283 2017-06-07  Alexander Monakov  <amonakov@ispras.ru>
 284
 285         * doc/invoke.texi (mcx16): Rewrite.
 286
 287 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 288
 289         * config/rs6000/predicates.md (rs6000_nonimmediate_operand): Delete.
 290         * config/rs6000/rs6000.md (*movsi_internal1, movsi_from_sf,
 291         *mov<mode>_softfloat, and an anonymous splitter): Use
 292         nonimmediate_operand instead of rs6000_nonimmediate_operand.
 293
 294 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 295
 296         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE_ACC and
 297         SPEFSCR registers.
 298         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
 299         (enum rs6000_reg_type): Delete SPE_ACC_TYPE and SPEFSCR_REG_TYPE.
 300         (rs6000_debug_reg_global): Adjust.
 301         (rs6000_init_hard_regno_mode_ok): Adjust.
 302         (rs6000_dbx_register_number): Adjust.
 303         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change to 115.
 304         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
 305         Remove SPE_ACC and SPEFSCR.
 306         (REG_ALLOC_ORDER): Ditto.
 307         (FRAME_POINTER_REGNUM): Change to 111.
 308         (enum reg_class): Remove the SPE_ACC and SPEFSCR registers.
 309         (REG_CLASS_NAMES): Ditto.
 310         (REG_CLASS_CONTENTS): Delete the SPE_ACC and SPEFSCR registers.
 311         (REGISTER_NAMES): Ditto.
 312         (ADDITIONAL_REG_NAMES): Ditto.
 313         (rs6000_reg_names): Ditto.
 314         * config/rs6000/rs6000.md: Renumber some register number
 315         define_constants.
 316
 317 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 318
 319         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE high
 320         registers.
 321         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
 322         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change from 149
 323         to 117.
 324         (DWARF_REG_TO_UNWIND_COLUMN): Do not define.
 325         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
 326         Delete the SPE high registers.
 327         (REG_ALLOC_ORDER): Ditto.
 328         (enum reg_class): Remove SPE_HIGH_REGS.
 329         (REG_CLASS_NAMES): Ditto.
 330         (REG_CLASS_CONTENTS): Delete the SPE high registers.
 331         (REGISTER_NAMES): Ditto.
 332         (rs6000_reg_names): Ditto.
 333         * doc/tm.texi.in: Remove SPE as example.
 334         * doc/tm.texi: Regenerate.
 335
 336 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 337
 338         * config/rs6000/8540.md (ppc8540_brinc): Delete.
 339         * config/rs6000/e500mc.md (e500mc_brinc): Delete.
 340         * config/rs6000/e500mc64.md (e500mc64_brinc): Delete.
 341         * config/rs6000/rs6000.md (type): Remove "brinc".
 342
 343 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 344
 345         * config.gcc (powerpc*-*-*): Don't add spe.h to extra_headers.
 346         (powerpc*-linux*spe*): Use ${cpu_type} instead of rs6000.
 347         * config/rs6000/linuxspe.h: Delete file.
 348         * config/rs6000/rs6000.md: Don't include spe.md.
 349         * config/rs6000/spe.h: Delete file.
 350         * config/rs6000/spe.md: Delete file.
 351         * config/rs6000/t-rs6000: Remove spe.md.
 352
 353 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 354
 355         * config/rs6000/predicates.md (reg_or_mem_operand): Reformat.
 356         (reg_or_none500mem_operand): Delete.
 357         * config/rs6000/rs6000.md (extendsfdf2): Use reg_or_mem_operand
 358         instead of reg_or_none500mem_operand.
 359
 360 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 361
 362         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
 363         handling of SPE flags.
 364         * config/rs6000/rs6000.opt (-mspe, -mspe=no, -mspe=yes): Delete.
 365
 366 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 367
 368         * config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
 369         SPE ABI handling.
 370         * config/rs6000/paired.md (paired_negv2sf2): Rename to negv2sf2.
 371         (paired_absv2sf2, paired_addv2sf3, paired_subv2sf3, paired_mulv2sf3,
 372         paired_divv2sf3): Similar.
 373         * config/rs6000/predicates.md: Replace TARGET_SPE, TARGET_SPE_ABI,
 374         SPE_VECTOR_MODE and SPE_HIGH_REGNO_P by 0; simplify.
 375         * config/rs6000/rs6000-builtin.def: Delete RS6000_BUILTIN_E and
 376         RS6000_BUILTIN_S.
 377         Delete BU_SPE_1, BU_SPE_2, BU_SPE_3, BU_SPE_E, BU_SPE_P, and BU_SPE_X.
 378         Rename the paired_* instruction patterns.
 379         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Do not
 380         define __SPE__.
 381         * config/rs6000/rs6000-protos.h (invalid_e500_subreg): Delete.
 382         * config/rs6000/rs6000.c: Delete RS6000_BUILTIN_E and RS6000_BUILTIN_S.
 383         (struct rs6000_stack): Delete fields spe_gp_save_offset, spe_gp_size,
 384         spe_padding_size, and spe_64bit_regs_used.  Replace TARGET_SPE and
 385         TARGET_SPE_ABI with 0, simplify.  Replace SPE_VECTOR_MODE with
 386         PAIRED_VECTOR_MODE.
 387         (struct machine_function): Delete field spe_insn_chain_scanned_p.
 388         (spe_func_has_64bit_regs_p): Delete.
 389         (spe_expand_predicate_builtin): Delete.
 390         (spe_expand_evsel_builtin): Delete.
 391         (TARGET_DWARF_REGISTER_SPAN): Do not define.
 392         (TARGET_MEMBER_TYPE_FORCES_BLK): Do not define.
 393         (invalid_e500_subreg): Delete.
 394         (rs6000_legitimize_address): Always force_reg op2 as well, for
 395         paired single memory accesses.
 396         (rs6000_member_type_forces_blk): Delete.
 397         (rs6000_spe_function_arg): Delete.
 398         (rs6000_expand_unop_builtin): Delete SPE handling.
 399         (rs6000_expand_binop_builtin): Ditto.
 400         (spe_expand_stv_builtin): Delete.
 401         (bdesc_2arg_spe): Delete.
 402         (spe_expand_builtin): Delete.
 403         (spe_expand_predicate_builtin): Delete.
 404         (spe_expand_evsel_builtin): Delete.
 405         (rs6000_invalid_builtin): Remove RS6000_BTM_SPE handling.
 406         (spe_init_builtins): Delete.
 407         (spe_func_has_64bit_regs_p): Delete.
 408         (savres_routine_name): Delete "info" parameter.  Adjust callers.
 409         (rs6000_emit_stack_reset): Ditto.
 410         (rs6000_dwarf_register_span): Delete.
 411         * config/rs6000/rs6000.h (TARGET_SPE_ABI, TARGET_SPE,
 412         UNITS_PER_SPE_WORD, SPE_HIGH_REGNO_P, SPE_SIMD_REGNO_P,
 413         SPE_VECTOR_MODE, RS6000_BTM_SPE, RS6000_BUILTIN_E, RS6000_BUILTIN_S):
 414         Delete.
 415         * config/rs6000/rs6000.md (FIRST_SPE_HIGH_REGNO, LAST_SPE_HIGH_REGNO):
 416         Delete.
 417         * config/rs6000/rs6000.opt (-mabi=spe, -mabi=no-spe): Delete.
 418         * config/rs6000/spe.md: Delete every pattern that uses TARGET_SPE.
 419         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
 420         mulv2sf3, divv2sf3): Delete expanders.
 421
 422 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 423
 424         config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Delete.
 425
 426 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 427
 428         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit): Delete.
 429         * config/rs6000/rs6000.c: Ditto.
 430
 431 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 432
 433         * config/rs6000/predicated.md (rs6000_cbranch_operator): Delete.
 434         * config/rs6000/rs6000.md: Replace rs6000_cbranch_operator by
 435         comparison_operator.
 436
 437 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 438
 439         * config/rs6000/rs6000.c: Remove everything related to -mfloat-gprs.
 440         * config/rs6000/rs6000.opt: Ditto.
 441         * config/rs6000/t-rtems: Ditto.
 442
 443 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 444
 445         * config/rs6000/predicates.md: Replace TARGET_E500_DOUBLE and
 446         TARGET_E500_SINGLE by 0, simplify.
 447         * config/rs6000/rs6000.c: Ditto.
 448         (rs6000_option_override_internal): Delete CHECK_E500_OPTIONS.
 449         (spe_build_register_parallel): Delete.
 450         * config/rs6000/rs6000.h: Delete TARGET_E500_SINGLE,
 451         TARGET_E500_DOUBLE, and CHECK_E500_OPTIONS.
 452         * config/rs6000/rs6000.md: Replace TARGET_E500_DOUBLE,
 453         TARGET_E500_SINGLE, and <E500_CONVERT> by 0, simplify.
 454         (E500_CONVERT): Delete.
 455         * config/rs6000/spe.md: Remove many patterns and all define_constants.
 456
 457 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 458
 459         * config/rs6000/darwin.md: Replace TARGET_FPRS by 1 and simplify.
 460         * config/rs6000/dfp.md: Ditto.
 461         (negdd2, *negdd2_fpr): Merge.
 462         (absdd2, *absdd2_fpr): Merge.
 463         (negtd2, *negtd2_fpr): Merge.
 464         (abstd2, *abstd2_fpr): Merge.
 465         * config/rs6000/e500.h: Delete file.
 466         * config/rs6000/predicates.md (rs6000_cbranch_operator): Replace
 467         TARGET_FPRS by 1 and simplify.
 468         * config/rs6000/rs6000-c.c: Ditto.
 469         * config/rs6000/rs6000.c: Ditto.  Also replace TARGET_SF_SPE and
 470         TARGET_DF_SPE by 0.
 471         * config/rs6000/rs6000.h: Ditto.  Delete TARGET_SF_SPE and
 472         TARGET_DF_SPE.
 473         * config/rs6000/rs6000.md: Ditto.
 474         (floatdidf2, *floatdidf2_fpr): Merge.
 475         (move_from_CR_gt_bit): Delete.
 476         * config/rs6000/spe.md: Replace TARGET_FPRS by 1 and simplify.
 477         (E500_CR_IOR_COMPARE): Delete.
 478         (All patterns that require !TARGET_FPRS): Delete.
 479         * config/rs6000/vsx.md: Replace TARGET_FPRS by 1 and simplify.
 480
 481 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 482
 483         * passes.def (pass_iv_canon): Move before pass_loop_distribution.
 484
 485 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 486
 487         * graphds.c (add_edge): Intitialize edge's attached data.
 488         (foll_in_subgraph, dfs_fst_edge, dfs_next_edge): New function
 489         pointer parameter.  Call pointed function on each edge during
 490         graph traversing.  Skip traversing the edge when the function
 491         returns true.
 492         (graphds_dfs, graphds_scc): Ditto.
 493         (for_each_edge): New parameter.  Pass the new parameter to callback
 494         function.
 495         * graphds.h (skip_edge_callback): New function pointer type.
 496         (graphds_dfs, graphds_scc): New function pointer parameter.
 497         (graphds_edge_callback, for_each_edge): New parameter.
 498
 499 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 500
 501         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Factor
 502         out code checking if runtime alias check is possible to below ...
 503         Call the new function.
 504         * tree-data-ref.c (runtime_alias_check_p): ... to new function.
 505         * tree-data-ref.h (runtime_alias_check_p): New decalaration.
 506
 507 2017-06-07  Marek Polacek  <polacek@redhat.com>
 508
 509         PR sanitizer/80932
 510         * fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
 511         TYPE_OVERFLOW_WRAPS check.
 512
 513 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 514
 515         * tree-vect-loop-manip.c (vect_do_peeling): Don't skip vector loop
 516         if versioning is required.
 517         * tree-vect-loop.c (vect_analyze_loop_2): Merge niter check for loop
 518         peeling with the check for versioning.
 519
 520 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 521
 522         * tree-vectorizer.h (vect_build_loop_niters): New parameter.
 523         * tree-vect-loop-manip.c (vect_build_loop_niters): New parameter.
 524         Set true to new parameter if new ssa variable is defined.
 525         (vect_gen_vector_loop_niters): Refactor.  Set range information
 526         for the new vector loop bound variable.
 527         (vect_do_peeling): Ditto.
 528
 529 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 530
 531         * tree-affine.c (ssa.h): Include header file.
 532         (tree_to_aff_combination): Handle (T1)(X - CST) when inner type
 533         has wrapping overflow behavior.
 534
 535 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 536
 537         * tree-affine.c (tree_to_aff_combination): Handle (T1)(X + X).
 538
 539 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 540
 541         (aff_combination_expand): Move (T1)(X *+- CST) simplification to ...
 542         (tree_to_aff_combination): ... here.
 543
 544 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 545
 546         * tree-ssa-loop-ivopts.c (ivopts_estimate_reg_pressure): New
 547         reg_pressure model function.
 548         (ivopts_global_cost_for_size): Delete.
 549         (determine_set_costs, iv_ca_recount_cost): Call new model function
 550         ivopts_estimate_reg_pressure.
 551
 552 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
 553
 554         * config/aarch64/aarch64.c (aarch64_rtx_costs): Make sdiv more expensive than udiv.
 555         Remove floating point cases from mod.
 556
 557 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
 558
 559         * config/arm/aarch-cost-tables.h (cortexa53_extra_cost): Increase idiv cost.
 560
 561 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
 562
 563         * config/aarch64/aarch64.md
 564         (copysignsf3): Fix mask generation.
 565
 566 2017-06-07  Jakub Jelinek  <jakub@redhat.com>
 567
 568         * dumpfile.h (enum tree_dump_index): Rename TDI_generic to
 569         TDI_gimple.
 570         (class dump_manager): Add register_dumps method.
 571         * dumpfile.c: Include langhooks.h.
 572         (dump_files): Use 0 instead of 3/4/5 for TDI_{original,gimple,nested}.
 573         (FIRST_AUTO_NUMBERED_DUMP): Decrease to 1.
 574         (FIRST_ME_AUTO_NUMBERED_DUMP): Define.
 575         (dump_manager::dump_register): Start with 512 entries instead of 32.
 576         (dump_manager::register_dumps): New method.
 577         * toplev.c (general_init): Instead of invoking register_dumps
 578         langhook, invoke register_dumps method on the dump manager.
 579         * gimplify.c (gimplify_function_tree): Use TDI_gimple instead of
 580         TDI_generic.
 581
 582 2017-06-07  Richard Sandiford  <richard.sandiford@linaro.org>
 583
 584         * doc/md.texi: Clarify the restrictions on a define_insn condition.
 585         Say that # requires an associated define_split to exist, and that
 586         the define_split must be suitable for use after register allocation.
 587
 588 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 589
 590         * cfgbuild.c (find_bb_boundaries): Initialize profile of split blocks.
 591         (compute_outgoing_frequencies): Also initialize zero counts.
 592         (find_many_sub_basic_blocks): Do not produce uninitialized profile
 593         around loops; preserve more of profile when nothing changes.
 594
 595 2017-06-06  Jim Wilson  <jim.wilson@linaro.org>
 596
 597         * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
 598         here.
 599         * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
 600         * config/arm/arm-cpu-cdata.h: Regenerate.
 601         * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
 602         * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
 603         * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
 604         * config/arm/arm.c (arm_qdf24xx_tune): Delete.
 605         * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
 606         support.
 607         * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
 608         support.
 609         * config/arm/t-rmprofile: Likewise.
 610         * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.
 611
 612 2017-06-06  David S. Miller  <davem@davemloft.net>
 613
 614         PR target/80968
 615         * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
 616         blockage if function uses alloca.
 617
 618 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
 619
 620         * tree-ssa-loop-prefetch.c (struct mem_ref_group, struct mem_ref):
 621         New "uid" fields to hold pretty-print IDs of group and ref.
 622         Memory references are now identified as <group_id>:<ref_id>
 623         instead of using [random] addresses.
 624         (dump_mem_details): Simplify, no functional change.
 625         (dump_mem_ref): Simplify and make output more concise.
 626         Replace couple of fprintf's throughout code with calls to dump_mem_ref.
 627         (find_or_create_group): Initialize group uid.
 628         (record_ref): Initialize ref uid.  Improve debug output.
 629         (prune_group_by_reuse, should_issue_prefetch_p,)
 630         (should_issue_prefetch_p, schedule_prefetches, issue_prefetch_ref,)
 631         (mark_nontemporal_store, determine_loop_nest_reuse):
 632         Improve debug output.
 633
 634 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
 635
 636         * dbgcnt.def (prefetch): New debug counter.
 637         * tree-ssa-loop-prefetch.c (dbgcnt.h): New include.
 638         (schedule_prefetches): Stop issueing prefetches if debug counter
 639         tripped.
 640
 641 2017-06-06  Tom de Vries  <tom@codesourcery.com>
 642
 643         * doc/sourcebuild.texi (Testsuites, C Language Testsuites,
 644         gcc.c-torture/compile): Remove mention of NO_LABEL_VALUES in fixme.
 645
 646 2017-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 647
 648         * config/aarch64/atomics.md (atomic_compare_and_swap<mode> expander):
 649         Use aarch64_reg_or_zero predicate for operand 4.
 650         (aarch64_compare_and_swap<mode> define_insn_and_split):
 651         Use aarch64_reg_or_zero predicate for operand 3.  Add 'Z' constraint.
 652         (aarch64_store_exclusive<mode>): Likewise for operand 2.
 653
 654 2017-06-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 655
 656         * config/arm/arm.c (arm_compute_save_reg_mask): Rename into ...
 657         (arm_compute_save_core_reg_mask): This.
 658         (thumb1_compute_save_reg_mask): Rename into ...
 659         (thumb1_compute_save_core_reg_mask): This.
 660         (arm_compute_save_reg0_reg12_mask): Adapt comment.
 661         (arm_compute_frame_layout): Likewise.
 662
 663 2017-06-06  Richard Biener  <rguenther@suse.de>
 664
 665         PR tree-optimization/80974
 666         * tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
 667         keep or clear leaders SSA info.
 668
 669 2017-06-06  Tom de Vries  <tom@codesourcery.com>
 670
 671         * config/nvptx/nvptx.c (split_mode_p): New function.
 672         (nvptx_declare_function_name, nvptx_print_operand): Use split_mode_p.
 673
 674 2017-06-06  Tom de Vries  <tom@codesourcery.com>
 675
 676         * config/nvptx/nvptx.c (nvptx_print_operand): Use maybe_split_mode.
 677
 678 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 679
 680         PR bootstrap/80978
 681         * tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
 682         profile.
 683
 684 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 685
 686         * shrink-wrap.c (handle_simple_exit): Update profile.
 687         (try_shrink_wrapping): Upate profile.
 688
 689 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 690
 691         * predict.c (tree_estimate_probability_bb): Add LOCAL_ONLY.
 692         (tree_guess_outgoing_edge_probabilities): New.
 693         * predict.h (tree_guess_outgoing_edge_probabilities): Declare.
 694         * tree-cfg.c (gimple_find_sub_bbs): Propagate profile.
 695
 696 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 697
 698         * ipa-split.c (split_function): Initialize return bb profile.
 699
 700 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 701
 702         * profile.c (compute_branch_probabilities): Also initialize
 703         EXIT_BLOCK profile.
 704
 705 2017-06-06  Richard Biener  <rguenther@suse.de>
 706
 707         PR tree-optimization/80928
 708         * tree-vect-loop.c (vect_update_vf_for_slp): Amend dumps.
 709         (vect_analyze_loop_operations): Properly guard analysis for
 710         pure SLP case.
 711         (vect_transform_loop): Likewise.
 712         (vect_analyze_loop_2): Also reset SLP type on PHIs.
 713         (vect_model_induction_cost): Do not cost for pure SLP.
 714         (vectorizable_induction): Pass in SLP node, implement SLP vectorization
 715         of induction in inner loop vectorization.
 716         * tree-vect-slp.c (vect_create_new_slp_node): Handle PHIs.
 717         (vect_get_and_check_slp_defs): Handle vect_induction_def.
 718         (vect_build_slp_tree): Likewise.  Handle PHIs as terminating the
 719         recursion.
 720         (vect_analyze_slp_cost_1): Cost induction.
 721         (vect_detect_hybrid_slp_stmts): Handle PHIs.
 722         (vect_get_slp_vect_defs): Likewise.
 723         * tree-vect-stmts.c (vect_analyze_stmt): Handle induction.
 724         (vect_transform_stmt): Handle SLP reductions.
 725         * tree-vectorizer.h (vectorizable_induction): Adjust.
 726
 727 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
 728
 729         * config/rs6000/rs6000.c (make_resolver_func): Update
 730         init_lowered_empty_function call.
 731
 732 2017-06-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 733
 734         * doc/invoke.texi: Document the -fprofile-abs-path option.
 735         * common.opt (fprofile-abs-path): New option.
 736         * gcov-io.h (gcov_write_filename): Declare.
 737         * gcov-io.c (gcov_write_filename): New function.
 738         * coverage.c (coverage_begin_function): Use gcov_write_filename.
 739         * profile.c (output_location): Likewise.
 740
 741 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
 742
 743         * shring-wrap.c: Revert accidental commit.
 744
 745 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
 746
 747         * doc/invoke.texi (-Wduplicated-branches): Add to warning list.
 748
 749 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
 750
 751         * cfgexpand.c (expand_gimple_tailcall): Initialize profile of
 752         new edge.
 753         * ipa-inline.c (want_inline_self_recursive_call_p): Watch for missing
 754         profile in callgraph edge.
 755         * profile-count.h (apply_probability): If THIS is 0, then result is 0
 756         (apply_scale): Likewise.
 757         * tree-inline.c (copy_bb, copy_edges_for_bb, copy_cfg_body):
 758         Also scale profile when inlining function with zero profile.
 759         (initialize_cfun): Update exit block profile even when it is zero.
 760         * tree-ssa-threadupdate.c (clear_counts_path): Handle correctly case
 761         when profile is read.
 762
 763 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
 764
 765         * config/rs6000/rs6000.c (toplevel): Include attribs.h.
 766         (CLONE_*): New constants to define the processors we can generate
 767         code for with the target_clone attribute.
 768         (rs6000_clone_map): New array to identify which clone processors
 769         the current program is running on.
 770         (TARGET_COMPARE_VERSION_PRIORITY): Define to enable the
 771         target_clone attribute.
 772         (TARGET_GENERATE_VERSION_DISPATCHER_BODY): Likewise.
 773         (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): Likewise.
 774         (TARGET_OPTION_FUNCTION_VERSIONS): Likewise.
 775         (cpu_expand_builtin): Add support for target_clone attribute.
 776         (rs6000_valid_attribute_p): Allow "default" attribute.
 777         (get_decl_name): New debug function to simplify printing the
 778         current function name in debugging statements.
 779         (rs6000_clone_priority): New functions to support the target_clone
 780         attribute, and be able to generate code to switch between ISA 2.05
 781         through ISA 3.0 (power6 through power9).
 782         (rs6000_compare_version_priority): Likewise.
 783         (rs6000_get_function_versions_dispatcher): Likewise.
 784         (make_resolver_func): Likewise.
 785         (add_condition_to_bb): Likewise.
 786         (dispatch_function_versions): Likewise.
 787         (rs6000_generate_version_dispatcher_body): Likewise.
 788         (rs6000_can_inline_p): Call get_decl_name for debugging usage.
 789         (fusion_gpr_load_p): Fix a spacing issue.
 790         * doc/extend.texi (Common Function Attributes): Document that the
 791         PowerPC supports the target_clone attribute.
 792
 793 2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 794
 795         * config/arm/arm.h: explain F symbol found in description of ARM
 796         register allocation in its legend.
 797
 798 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
 799
 800         * config/mips/frame-header-opt.c: Include profile-count.h.
 801         * config/riscv/riscv.c: Include profile-count.h
 802
 803 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
 804
 805         * tree-ssa-loop-im.c (execute_sm_if_changed): Add FLAG_BBS parameter;
 806         update profile.
 807         (sm_set_flag_if_changed): Add bbs field.
 808         (execute_sm_if_changed_flag_set): Pass BBS.
 809         (execute_sm): Update.
 810
 811 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 812
 813         * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
 814         New pattern.
 815
 816 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 817
 818         * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): New define_insn.
 819         (peephole2): New peephole2 to emit the above.
 820         * config/aarch64/predicates.md (aarch64_sub_immediate): New predicate.
 821
 822 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 823
 824         * config/aarch64/aarch64.c (define_peephole2 above
 825         *sub_<shift>_<mode>): New peephole.
 826
 827 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
 828
 829         * config/i386/i386.c (make_resolver_func): Update.
 830         * Makefile.in: Add profile-count.h and profile-count.o
 831         * auto-profile.c (afdo_indirect_call): Update to new API.
 832         (afdo_set_bb_count): Update.
 833         (afdo_propagate_edge): Update.
 834         (afdo_propagate_circuit): Update.
 835         (afdo_calculate_branch_prob): Update.
 836         (afdo_annotate_cfg): Update.
 837         * basic-block.h: Include profile-count.h
 838         (struct edge_def): Turn count to profile_count.
 839         (struct basic_block_def): Likewie.
 840         (REG_BR_PROB_BASE): Move to profile-count.h
 841         (RDIV): Move to profile-count.h
 842         * bb-reorder.c (max_entry_count): Turn to profile_count.
 843         (find_traces): Update.
 844         (rotate_loop):Update.
 845         (connect_traces):Update.
 846         (sanitize_hot_paths):Update.
 847         * bt-load.c (migrate_btr_defs): Update.
 848         * cfg.c (RDIV): Remove.
 849         (init_flow): Use alloc_block.
 850         (alloc_block): Uninitialize count.
 851         (unchecked_make_edge): Uninitialize count.
 852         (check_bb_profile): Update.
 853         (dump_edge_info): Update.
 854         (dump_bb_info): Update.
 855         (update_bb_profile_for_threading): Update.
 856         (scale_bbs_frequencies_int): Update.
 857         (scale_bbs_frequencies_gcov_type): Update.
 858         (scale_bbs_frequencies_profile_count): New.
 859         * cfg.h (update_bb_profile_for_threading): Update.
 860         (scale_bbs_frequencies_profile_count): Declare.
 861         * cfgbuild.c (compute_outgoing_frequencies): Update.
 862         (find_many_sub_basic_blocks): Update.
 863         * cfgcleanup.c (try_forward_edges): Update.
 864         (try_crossjump_to_edge): Update.
 865         * cfgexpand.c (expand_gimple_tailcall): Update.
 866         (construct_exit_block): Update.
 867         * cfghooks.c (verify_flow_info): Update.
 868         (dump_bb_for_graph): Update.
 869         (split_edge): Update.
 870         (make_forwarder_block): Update.
 871         (duplicate_block): Update.
 872         (account_profile_record): Update.
 873         * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
 874         (get_estimated_loop_iterations): Update.
 875         * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
 876         (single_likely_exit): Update.
 877         * cfgloopmanip.c (scale_loop_profile): Update.
 878         (loopify): Update.
 879         (set_zero_probability): Update.
 880         (lv_adjust_loop_entry_edge): Update.
 881         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
 882         (purge_dead_edges): Update.
 883         (rtl_account_profile_record): Update.
 884         * cgraph.c (cgraph_node::create): Uninitialize count.
 885         (symbol_table::create_edge): Uninitialize count.
 886         (cgraph_update_edges_for_call_stmt_node): Update.
 887         (cgraph_edge::dump_edge_flags): Update.
 888         (cgraph_node::dump): Update.
 889         (cgraph_edge::maybe_hot_p): Update.
 890         * cgraph.h: Include profile-count.h
 891         (create_clone), create_edge, create_indirect_edge): Update.
 892         (cgraph_node): Turn count to profile_count.
 893         (cgraph_edge0: Likewise.
 894         (make_speculative, clone): Update.
 895         (create_edge): Update.
 896         (init_lowered_empty_function): Update.
 897         * cgraphclones.c (cgraph_edge::clone): Update.
 898         (duplicate_thunk_for_node): Update.
 899         (cgraph_node::create_clone): Update.
 900         * cgraphunit.c (cgraph_node::analyze): Update.
 901         (cgraph_node::expand_thunk): Update.
 902         * final.c (dump_basic_block_info): Update.
 903         * gimple-streamer-in.c (input_bb): Update.
 904         * gimple-streamer-out.c (output_bb): Update.
 905         * graphite.c (print_global_statistics): Update.
 906         (print_graphite_scop_statistics): Update.
 907         * hsa-brig.c: Include basic-block.h.
 908         * hsa-dump.c: Include basic-block.h.
 909         * hsa-gen.c (T sum_slice): Update.
 910         (convert_switch_statements):Update.
 911         * hsa-regalloc.c: Include basic-block.h.
 912         * ipa-chkp.c (chkp_produce_thunks): Update.
 913         * ipa-cp.c (struct caller_statistics): Update.
 914         (init_caller_stats): Update.
 915         (gather_caller_stats): Update.
 916         (ipcp_cloning_candidate_p): Update.
 917         (good_cloning_opportunity_p): Update.
 918         (get_info_about_necessary_edges): Update.
 919         (dump_profile_updates): Update.
 920         (update_profiling_info): Update.
 921         (update_specialized_profile): Update.
 922         (perhaps_add_new_callers): Update.
 923         (decide_about_value): Update.
 924         (ipa_cp_c_finalize): Update.
 925         * ipa-devirt.c (struct odr_type_warn_count): Update.
 926         (struct decl_warn_count): Update.
 927         (struct final_warning_record): Update.
 928         (possible_polymorphic_call_targets): Update.
 929         (ipa_devirt): Update.
 930         * ipa-fnsummary.c (redirect_to_unreachable): Update.
 931         * ipa-icf.c (sem_function::merge): Update.
 932         * ipa-inline-analysis.c (do_estimate_edge_time): Update.
 933         * ipa-inline.c (compute_uninlined_call_time): Update.
 934         (compute_inlined_call_time): Update.
 935         (want_inline_small_function_p): Update.
 936         (want_inline_self_recursive_call_p): Update.
 937         (edge_badness): Update.
 938         (lookup_recursive_calls): Update.
 939         (recursive_inlining): Update.
 940         (inline_small_functions): Update.
 941         (dump_overall_stats): Update.
 942         (dump_inline_stats): Update.
 943         * ipa-profile.c (ipa_profile_generate_summary): Update.
 944         (ipa_propagate_frequency): Update.
 945         (ipa_profile): Update.
 946         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
 947         * ipa-utils.c (ipa_merge_profiles): Update.
 948         * loop-doloop.c (doloop_modify): Update.
 949         * loop-unroll.c (report_unroll): Update.
 950         (unroll_loop_runtime_iterations): Update.
 951         * lto-cgraph.c (lto_output_edge): Update.
 952         (lto_output_node): Update.
 953         (input_node): Update.
 954         (input_edge): Update.
 955         (merge_profile_summaries): Update.
 956         * lto-streamer-in.c (input_cfg): Update.
 957         * lto-streamer-out.c (output_cfg): Update.
 958         * mcf.c (create_fixup_graph): Update.
 959         (adjust_cfg_counts): Update.
 960         (sum_edge_counts): Update.
 961         * modulo-sched.c (sms_schedule): Update.
 962         * postreload-gcse.c (eliminate_partially_redundant_load): Update.
 963         * predict.c (maybe_hot_count_p): Update.
 964         (probably_never_executed): Update.
 965         (dump_prediction): Update.
 966         (combine_predictions_for_bb): Update.
 967         (propagate_freq): Update.
 968         (handle_missing_profiles): Update.
 969         (counts_to_freqs): Update.
 970         (rebuild_frequencies): Update.
 971         (force_edge_cold): Update.
 972         * predict.h: Include profile-count.h
 973         (maybe_hot_count_p, counts_to_freqs): UPdate.
 974         * print-rtl-function.c: Do not include cfg.h
 975         * print-rtl.c: Include basic-block.h
 976         * profile-count.c: New file.
 977         * profile-count.h: New file.
 978         * profile.c (is_edge_inconsistent): Update.
 979         (correct_negative_edge_counts): Update.
 980         (is_inconsistent): Update.
 981         (set_bb_counts): Update.
 982         (read_profile_edge_counts): Update.
 983         (compute_frequency_overlap): Update.
 984         (compute_branch_probabilities): Update; Initialize and deinitialize
 985         gcov_count tables.
 986         (branch_prob): Update.
 987         * profile.h (bb_gcov_counts, edge_gcov_counts): New.
 988         (edge_gcov_count): New.
 989         (bb_gcov_count): New.
 990         * shrink-wrap.c (try_shrink_wrapping): Update.
 991         * tracer.c (better_p): Update.
 992         * trans-mem.c (expand_transaction): Update.
 993         (ipa_tm_insert_irr_call): Update.
 994         (ipa_tm_insert_gettmclone_call): Update.
 995         * tree-call-cdce.c: Update.
 996         * tree-cfg.c (gimple_duplicate_sese_region): Update.
 997         (gimple_duplicate_sese_tail): Update.
 998         (gimple_account_profile_record): Update.
 999         (execute_fixup_cfg): Update.
1000         * tree-inline.c (copy_bb): Update.
1001         (copy_edges_for_bb): Update.
1002         (initialize_cfun): Update.
1003         (freqs_to_counts): Update.
1004         (copy_cfg_body): Update.
1005         (expand_call_inline): Update.
1006         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
1007         * tree-ssa-loop-ivcanon.c (unloop_loops): Update.
1008         (try_unroll_loop_completely): Update.
1009         (try_peel_loop): Update.
1010         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
1011         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Update.
1012         * tree-ssa-loop-split.c (connect_loops): Update.
1013         * tree-ssa-loop-unswitch.c (hoist_guard): Update.
1014         * tree-ssa-reassoc.c (branch_fixup): Update.
1015         * tree-ssa-tail-merge.c (replace_block_by): Update.
1016         * tree-ssa-threadupdate.c (create_block_for_threading): Update.
1017         (compute_path_counts): Update.
1018         (update_profile): Update.
1019         (recompute_probabilities): Update.
1020         (update_joiner_offpath_counts): Update.
1021         (estimated_freqs_path): Update.
1022         (freqs_to_counts_path): Update.
1023         (clear_counts_path): Update.
1024         (ssa_fix_duplicate_block_edges): Update.
1025         (duplicate_thread_path): Update.
1026         * tree-switch-conversion.c (case_bit_test_cmp): Update.
1027         (struct switch_conv_info): Update.
1028         * tree-tailcall.c (decrease_profile): Update.
1029         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
1030         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
1031         * value-prof.c (check_counter): Update.
1032         (gimple_divmod_fixed_value): Update.
1033         (gimple_mod_pow2): Update.
1034         (gimple_mod_subtract): Update.
1035         (gimple_ic_transform): Update.
1036         (gimple_stringop_fixed_value): Update.
1037         * value-prof.h (gimple_ic): Update.
1038
1039 2017-06-02  Carl Love  <cel@us.ibm.com>
1040
1041         * config/rs6000/rs6000-c: Add support for built-in functions
1042         vector double vec_doublee (vector signed int);
1043         vector double vec_doublee (vector unsigned int);
1044         vector double vec_doublee (vector float);
1045         vector double vec_doubleh (vector signed int);
1046         vector double vec_doubleh (vector unsigned int);
1047         vector double vec_doubleh (vector float);
1048         vector double vec_doublel (vector signed int);
1049         vector double vec_doublel (vector unsigned int);
1050         vector double vec_doublel (vector float);
1051         vector double vec_doubleo (vector signed int);
1052         vector double vec_doubleo (vector unsigned int);
1053         vector double vec_doubleo (vector float);.
1054         * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
1055         DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
1056         UNS_DOUBLEL.
1057         * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
1058         unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
1059         unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
1060         VS_sxwsp.
1061         * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
1062         vec_doublel, vec_doubleh.
1063         * doc/extend.texi: Update the built-in documentation file for the
1064         new built-in functions.
1065
1066 2017-06-02  David Malcolm  <dmalcolm@redhat.com>
1067
1068         PR jit/80954
1069         * ipa-inline-analysis.c (free_growth_caches): Set
1070         edge_removal_hook_holder to NULL after removing it.
1071
1072 2017-06-02  Sudakshina Das  <sudi.das@arm.com>
1073
1074         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_SWP for
1075         comparision with zero.
1076
1077 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
1078         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
1079         for early expansion of vec_min and vec_max builtins.
1080         (builtin_function_type): Add min/max unsigned variants to those
1081         identified as having unsigned arguments.
1082
1083 2017-06-02  Olivier Hainque  <hainque@adacore.com>
1084
1085         * config/vx-common.h (DWARF_UNWIND_INFO): Switch #define to 1.
1086
1087 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1088
1089         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
1090         Use VALL_F16 iterator rather than VALL.
1091
1092 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1093
1094         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
1095         Emit CBNZ inside loop when doing a strong exchange and comparing
1096         against zero.  Generate the CC flags after the loop.
1097
1098 2017-06-02  David Edelsohn  <dje.gcc@gmail.com>
1099
1100         * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
1101         (dl_section_ref): New.
1102         (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
1103         On AIX, append an expression to subtract the size of the
1104         section length to dl_section_ref.
1105
1106 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
1107
1108         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
1109         for early expansion of vector absolute builtins.
1110
1111 2017-06-02  Richard Biener  <rguenther@suse.de>
1112
1113         * tree-vect-slp.c (vect_detect_hybrid_slp_2): Match up
1114         what we consider a relevant use stmt with vect_detect_hybrid_slp_stmts.
1115
1116 2017-06-02  Richard Biener  <rguenther@suse.de>
1117
1118         PR tree-optimization/80948
1119         * tree-tailcall.c (find_tail_calls): Track stmts to move in
1120         stmt order as well.
1121
1122 2017-06-02  Richard Biener  <rguenther@suse.de>
1123
1124         * tree-vect-loop.c (vect_analyze_loop_operations): Not relevant
1125         PHIs are ok.
1126         * tree-vect-stmts.c (process_use): Do not mark backedge defs
1127         for inductions as relevant.
1128
1129 2017-06-02  Richard Biener  <rguenther@suse.de>
1130
1131         * tree-vect-loop.c (get_initial_def_for_induction): Inline into ...
1132         (vectorizable_induction): ... this.  Remove dead code.
1133
1134 2017-06-02  Eric Botcazou  <ebotcazou@adacore.com>
1135
1136         * builtins. (expand_builtin_alloca): Remove second parameter and
1137         infer its value from the first parameter instead.
1138         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust call to above.
1139
1140 2017-06-02  Jakub Jelinek  <jakub@redhat.com>
1141
1142         PR rtl-optimization/80903
1143         * loop-doloop.c (add_test): Unshare sequence.
1144
1145 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1146
1147         * doc/invoke.texi: Document the -Wsizeof-pointer-div warning.
1148
1149 2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1150
1151         * config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers): Make
1152         static.
1153         (xlogue_layout::get_stack_space_used, xlogue_layout::s_instances,
1154         xlogue_layout::get_instance, logue_layout::xlogue_layout,
1155         sp_valid_at, fp_valid_at, choose_basereg): Formatting.
1156         (xlogue_layout::get_stub_rtx): Make static.
1157         (xlogue_layout::get_stub_name): Avoid const-cast, make static.
1158         (xlogue_layout::compute_stub_managed_regs): Rename to...
1159         (xlogue_layout::count_stub_managed_regs): ...this.
1160         (xlogue_layout::is_stub_managed_reg): New function.
1161         (xlogue_layout::m_stub_names): Rename to...
1162         (xlogue_layout::s_stub_names): ...this, make static.
1163         (xlogue_layout::STUB_INDEX_OFFSET, xlogue_layout::MIN_REGS,
1164         xlogue_layout::MAX_REGS, xlogue_layout::MAX_EXTRA_REGS,
1165         xlogue_layout::VARIANT_COUNT, xlogue_layout::STUB_NAME_MAX_LEN,
1166         xlogue_layout::s_stub_names): Instantiate statics.
1167         (stub_managed_regs): Remove.
1168         (ix86_save_reg): Use xlogue_layout::compute_stub_managed_regs.
1169         (disable_call_ms2sysv_xlogues): Rename to...
1170         (warn_once_call_ms2sysv_xlogues): ...this, and warn only once.
1171         (ix86_initial_elimination_offset, ix86_expand_call): Fix call_ms2sysv
1172         warning logic.
1173         (ix86_static_chain): Make sure that ix86_static_chain_on_stack can't
1174         change after reload_completed.
1175         (ix86_can_use_return_insn_p): Use the ix86_frame data structure
1176         directly.
1177         (ix86_expand_prologue): Likewise.
1178         (ix86_expand_epilogue): Likewise.
1179         (ix86_expand_split_stack_prologue): Likewise.
1180         (ix86_compute_frame_layout): Remove frame parameter ...
1181         (TARGET_COMPUTE_FRAME_LAYOUT): ... and export it as a target hook.
1182         (ix86_finalize_stack_realign_flags): Call ix86_compute_frame_layout
1183         only if necessary.
1184         (ix86_init_machine_status): Don't set use_fast_prologue_epilogue_nregs.
1185         (ix86_frame): Move from here ...
1186         * config/i386/i386.h (ix86_frame): ... to here.
1187         (machine_function): Remove use_fast_prologue_epilogue_nregs, cache the
1188         complete ix86_frame data structure instead.  Remove some_ld_name.
1189
1190 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
1191
1192         * dwarf2out.c (dwarf2out_late_global_decl): Add locations for
1193         symbols that hold a DECL_VALUE_EXPR.
1194
1195 2017-06-01  Martin Jambor  <mjambor@suse.cz>
1196
1197         PR tree-optimization/80898
1198         * tree-sra.c (process_subtree_disqualification): Removed.
1199         (disqualify_candidate): Do not acll
1200         process_subtree_disqualification.
1201         (subtree_mark_written_and_enqueue): New function.
1202         (propagate_all_subaccesses): Set grp_write of LHS subtree if the
1203         RHS has been disqualified and re-queue LHS if necessary.  Apart
1204         from that, ignore disqualified RHS.
1205
1206 2017-06-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1207
1208         * config/s390/s390.c (s390_emit_epilogue): Disable early return
1209         address fetch for z10 or later.
1210
1211 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1212
1213         * config/arc/arc.md (tst_movb): Add guard when splitting.
1214
1215 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1216
1217         * config/arc/arc.c (arc_can_eliminate): Test against
1218         arc_frame_pointer_needed.
1219
1220 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1221
1222         * config/arc/arc.c (arc_expand_prologue): Emit a special barrier
1223         to prevent store reordering.
1224         * config/arc/arc.md (UNSPEC_ARC_STKTIE): Define.
1225         (type): Add block type.
1226         (stack_tie): Define special instruction to be used in
1227         expand_prologue.
1228
1229 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1230
1231         * config/arc/arc.md (commutative_binary_comparison): Remove 'I'
1232         constraint. It is not valid for the pattern.
1233         (noncommutative_binary_comparison): Likewise.
1234
1235 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1236
1237         * config/arc/simdext.md (movv2hi_insn): Change predicate to avoid
1238         scaled addresses.
1239
1240 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1241
1242         * config/arc/arc.c (arc_conditional_register_usage): Allow r30 to
1243         be used by the reg-alloc.
1244
1245 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1246
1247         * config/arc/arc.md (mulsi3): Avoid use of hard registers before
1248         reg-alloc when having mul64 or mul32x16 instructions.
1249         (mulsidi3): Likewise.
1250         (umulsidi3): Likewise.
1251         (mulsi32x16): New pattern.
1252         (mulsi64): Likewise.
1253         (mulsidi64): Likewise.
1254         (umulsidi64): Likewise.
1255         (MUL32x16_REG): Define.
1256         (mul64_600): Use MUL32x16_REG.
1257         (mac64_600): Likewise.
1258         (umul64_600): Likewise.
1259         (umac64_600): Likewise.
1260
1261 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1262
1263         * config/arc/arc.md (mulsi3_700): Make it commutative.
1264
1265 2017-06-01  Jose E. Marchesi  <jose.marchesi@oracle.com>
1266
1267         * config/sparc/sparc.md (*zero_extendsidi2_insn_sp64): Set insn
1268         type for movstouw.
1269         (*sign_extendsidi2_insn): Likewise for movstosw.
1270
1271 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
1272
1273         * dwarf2out.c (get_discr_value): Call the get_debug_type hook on
1274         the type of the input discriminant value.  Convert the
1275         discriminant value of signedness vary.
1276
1277 2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>
1278
1279         * doc/invoke.texi (-Wcatch-value): Document new shortcut.
1280         Add to -Wall section.
1281
1282 2017-06-01  Richard Biener  <rguenther@suse.de>
1283
1284         PR middle-end/66313
1285         * fold-const.c (fold_plusminus_mult_expr): If the factored
1286         factor may be zero use a wrapping type for the inner operation.
1287         * tree-tailcall.c (independent_of_stmt_p): Pass in to_move bitmap
1288         and handle moved defs.
1289         (process_assignment): Properly guard the unary op case.  Return a
1290         tri-state indicating that moving the stmt before the call may allow
1291         to continue.  Pass through to_move.
1292         (find_tail_calls): Handle moving unrelated defs before
1293         the call.
1294
1295 2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
1296
1297         PR target/80618
1298         * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
1299         splitter result in the canonical way.
1300
1301 2017-05-31  Uros Bizjak  <ubizjak@gmail.com>
1302
1303         * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
1304         also for 32bit target.  Update insn attributes.
1305         (zero-extendsidi2 splitter): Allow all registers for operand 1.
1306
1307 2017-05-31  Sebastian Peryt  <sebastian.peryt@intel.com>
1308
1309         * config/i386/avx512fintrin.h (_mm_mask_max_sd)
1310         (_mm_maskz_max_sd, _mm_mask_max_ss, _mm_maskz_max_ss)
1311         (_mm_mask_min_sd, _mm_maskz_min_sd, _mm_mask_min_ss)
1312         (_mm_maskz_min_ss): New intrinsics.
1313
1314 2017-05-31  Martin Liska  <mliska@suse.cz>
1315
1316         * tree-vect-loop.c (vect_create_epilog_for_reduction):
1317         Change comment style to one we normally use.
1318         (vectorizable_reduction): Likewise.
1319         (vectorizable_induction): Likewise.
1320         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
1321         (vectorizable_call): Likewise.
1322         (vectorizable_simd_clone_call): Likewise.
1323         (vectorizable_conversion): Likewise.
1324         (vectorizable_assignment): Likewise.
1325         (vectorizable_shift): Likewise.
1326         (vectorizable_operation): Likewise.
1327         (vectorizable_store): Likewise.
1328         (vectorizable_load): Likewise.
1329         * tree-vectorizer.h: Likewise.
1330
1331 2017-05-31  Alexander Monakov  <amonakov@ispras.ru>
1332
1333         * passes.c (emergency_dump_function): New.
1334         * tree-pass.h (emergency_dump_function): Declare.
1335         * plugin.c (plugins_internal_error_function): Remove.
1336         * plugin.h (plugins_internal_error_function): Remove declaration.
1337         * toplev.c (internal_error_function): New static function.  Use it...
1338         (general_init): ...here.
1339
1340 2017-05-31  Graham Markall  <graham.markall@embecosm.com>
1341
1342         * config/arc/arc.c (arc_print_operand): Handle constant operands.
1343         (arc_rtx_costs): Add costs for new patterns.
1344         * config/arc/arc.md: Additional *add_n and *sub_n patterns.
1345         * config/arc/predicates.md: Add _1_2_3_operand predicate.
1346
1347 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
1348
1349         * tree-ssa-strlen.c (get_next_strinfo): New function.
1350         (get_stridx_plus_constant): Use it.
1351         (zero_length_string): Likewise.
1352         (adjust_related_strinfos): Likewise.
1353         (adjust_last_stmt): Likewise.
1354
1355 2017-05-31  Richard Biener  <rguenther@suse.de>
1356
1357         PR target/80880
1358         * config/i386/i386.c (ix86_expand_builtin): Remove assert
1359         for arg being an SSA name when expanding IX86_BUILTIN_BNDRET.
1360
1361 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
1362
1363         * tree-vect-data-refs.c (vect_find_same_alignment_drs): Remove
1364         loop_vinfo argument and use of dependence distance vectors.
1365         Check instead whether the two references differ only in their
1366         initial value and assume that they have the same alignment if the
1367         difference is a multiple of the vector alignment.
1368         (vect_analyze_data_refs_alignment): Update call accordingly.
1369
1370 2017-05-31  Martin Liska  <mliska@suse.cz>
1371
1372         PR target/79155
1373         * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.
1374
1375 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
1376
1377         * tree-vect-loop-manip.c (create_intersect_range_checks_index)
1378         (create_intersect_range_checks): Move from ...
1379         * tree-data-ref.c (create_intersect_range_checks_index)
1380         (create_intersect_range_checks): ... to here.
1381         (create_runtime_alias_checks): New function factored from ...
1382         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
1383         here.  Call above function.
1384         * tree-data-ref.h (create_runtime_alias_checks): New function.
1385
1386 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
1387
1388         * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
1389         segment length for dr_b and compute it in wide_int.
1390
1391 2017-05-31  Richard Biener  <rguenther@suse.de>
1392
1393         PR tree-optimization/80906
1394         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
1395         and pass through iv_map.
1396         (copy_bb_and_scalar_dependences): Adjust.
1397         (translate_pending_phi_nodes): Likewise.
1398         (copy_loop_close_phi_args): Handle code-generating IVs instead
1399         of ICEing.
1400
1401 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
1402
1403         * diagnostic-color.c (color_dict): Add "type-diff".
1404         (parse_gcc_colors): Update comment.
1405         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
1406         -fdiagnostics-show-template-tree and -fno-elide-type.
1407         (GCC_COLORS): Add type-diff to example.
1408         (type-diff=): New.
1409         (-fdiagnostics-show-template-tree): New.
1410         (-fno-elide-type): New.
1411         * pretty-print.c (pp_format): Pass quote and formatters[argno] to
1412         the pp_format_decoder callback.  Call any m_format_postprocessor's
1413         "handle" method.
1414         (pretty_printer::pretty_printer): Initialize
1415         m_format_postprocessor.
1416         (pretty_printer::~pretty_printer): Delete any
1417         m_format_postprocessor.
1418         * pretty-print.h (printer_fn): Add bool and const char ** parameters.
1419         (class format_postprocessor): New class.
1420         (struct pretty_printer::format_decoder): Document the new parameters.
1421         (struct pretty_printer::m_format_postprocessor): New field.
1422         * tree-diagnostic.c (default_tree_printer): Update for new
1423         bool and const char ** params.
1424         * tree-diagnostic.h (default_tree_printer): Likewise.
1425
1426 2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>
1427
1428         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
1429         (lwa_operand): Delete rs6000_gen_cell_microcode test.
1430         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
1431         rs6000_gen_cell_microcode code.
1432         (rs6000_final_prescan_insn): Delete.
1433         (rs6000_opt_vars): Delete the "gen-cell-microcode" and
1434         "warn-cell-microcode" entries.
1435         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
1436         * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
1437         throughout.  Change cc_reg_not_micro_cr0_operand to
1438         cc_reg_not_cr0_operand throughout.
1439         (*extendhi<mode>2_noload): Delete.
1440         * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
1441         (mwarn-cell-microcode): Delete.
1442         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
1443         -mgen-cell-microcode and -mwarn-cell-microcode.
1444
1445 2017-05-30  Uros Bizjak  <ubizjak@gmail.com>
1446
1447         PR target/80833
1448         * config/i386/constraints.md (Yd): New constraint.
1449         (Ye): Ditto.
1450         * config/i386/i386.md (*movti_internal): Add (?r, Ye)
1451         and (?Yd, r) alternatives.  Update insn attributes.
1452         * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
1453         and (?*Yd, r) alternatives.  Update insn attributes.
1454         (double-mode inter-unit splitters): Add new GR<->XMM splitters.
1455
1456 2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>
1457
1458         * gimplify.c (gimplify_modify_expr): Don't create a
1459         DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
1460         function.
1461
1462 2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
1463
1464         * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.
1465
1466 2017-05-30  Richard Biener  <rguenther@suse.de>
1467
1468         * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
1469         and reduc_def fields.
1470         (STMT_VINFO_REDUC_TYPE): New define.
1471         (STMT_VINFO_REDUC_DEF): Likewise.
1472         (vect_force_simple_reduction): Adjust prototype.
1473         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
1474         (vect_is_simple_reduction): Remove check_reduction argument.
1475         (vect_force_simple_reduction): Adjust and set
1476         STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
1477         (vectorizable_reduction): Do not re-do reduction analysis
1478         but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
1479         * tree-parloops.c (gather_scalar_reductions): Adjust.
1480
1481 2017-05-30  Richard Biener  <rguenther@suse.de>
1482
1483         PR middle-end/80901
1484         * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
1485         split_edge code.
1486
1487 2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1488
1489         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
1490         Introduce unknown_misalignment parameter and remove vf.
1491         (vect_peeling_hash_get_lowest_cost):
1492         Pass unknown_misalignment parameter.
1493         (vect_enhance_data_refs_alignment):
1494         Fix unsupportable data ref treatment.
1495
1496 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1497
1498         * tree-vect-data-refs.c (vect_get_data_access_cost):
1499         Workaround for SLP handling.
1500         (vect_enhance_data_refs_alignment):
1501         Compute costs for doing no peeling at all, compare to the best
1502         peeling costs so far and avoid peeling if cheaper.
1503
1504 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1505
1506         * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
1507         Return peeling info and set costs to zero for unlimited cost
1508         model.
1509         (vect_enhance_data_refs_alignment): Also inspect all datarefs
1510         with unknown misalignment. Compute and costs for unknown
1511         misalignment, compare them to the costs for known misalignment
1512         and choose the cheapest for peeling.
1513
1514 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1515
1516         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
1517         (vect_get_peeling_costs_all_drs): Create function.
1518         (vect_peeling_hash_get_lowest_cost):
1519         Use vect_get_peeling_costs_all_drs.
1520         (vect_peeling_supportable): Create function.
1521         (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.
1522
1523 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1524
1525         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
1526         DR_HAS_NEGATIVE_STEP.
1527         (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
1528         (vect_enhance_data_refs_alignment): Use.
1529         (vect_duplicate_ssa_name_ptr_info): Use.
1530         * tree-vectorizer.h (dr_misalignment): Use.
1531         (known_alignment_for_access_p): Use.
1532
1533 2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
1534
1535         PR target/78838
1536         * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
1537         .lowtext.
1538         (has_section_name): New function.
1539
1540 2017-05-30  Martin Liska  <mliska@suse.cz>
1541
1542         PR other/80909
1543         * auto-profile.c (get_function_decl_from_block): Fix
1544         parenthesis.
1545
1546 2017-05-30  Richard Biener  <rguenther@suse.de>
1547
1548         PR middle-end/80876
1549         * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.
1550
1551 2017-05-30  Martin Liska  <mliska@suse.cz>
1552
1553         * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
1554         * dumpfile.h (struct dump_file_info): Remove ctors.
1555
1556 2017-05-30  Martin Liska  <mliska@suse.cz>
1557
1558         * predict.def: Fix GNU coding style.
1559
1560 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
1561
1562         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
1563         Mark 'to' argument with ATTRIBUTE_UNUSED.
1564
1565 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
1566
1567         * config/xtensa/xtensa.c (xtensa_emit_call): Use
1568         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
1569         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
1570         format string.
1571
1572 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
1573
1574         * doc/install.texi (Options specification): Restore entry of
1575         --enable-sjlj-exceptions.
1576
1577 2017-05-27  Michael Eager  <eager@eagercon.com>
1578
1579         Revert:
1580         2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
1581
1582         See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
1583
1584         * config/microblaze/microblaze.h
1585         (FIXED_REGISTERS): Update in macro.
1586         (CALL_USED_REGISTERS): Update in macro.
1587
1588 2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>
1589
1590         * doc/install.texi: Add links to macOS binary distributions.
1591
1592 2017-05-27  Jakub Jelinek  <jakub@redhat.com>
1593
1594         PR bootstrap/80887
1595         Revert:
1596         2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
1597
1598         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
1599
1600 2017-05-26  Martin Liska  <mliska@suse.cz>
1601
1602         * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.
1603
1604 2017-05-26  Martin Liska  <mliska@suse.cz>
1605
1606         * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
1607         always leading ';; '.
1608         (dump_bb_info): Likewise.
1609         (brief_dump_cfg): Likewise.
1610         * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
1611         * dumpfile.c: Remove usage of TDF_VERBOSE.
1612         * dumpfile.h (enum dump_kind): Likewise.
1613         (dump_gimple_bb_header): Do not use TDF_COMMENT.
1614         * print-tree.c (debug_verbose): Remove.
1615         * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
1616         (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
1617         * tree-diagnostic.c (default_tree_printer): Replace
1618         TDF_DIAGNOSTIC with TDF_SLIM.
1619
1620 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
1621
1622         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
1623         in parameter loop, rather than loop_vinfo.
1624         (create_intersect_range_checks): Ditto.
1625         (vect_create_cond_for_alias_checks): Update call to above functions.
1626
1627 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
1628
1629         PR tree-optimization/80815
1630         * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
1631         for merging runtime alias checks.  Handle negative DR_STEPs.
1632
1633 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
1634
1635         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
1636         Move from ...
1637         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
1638         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
1639         out code pruning runtime alias checks.
1640         * tree-data-ref.c (prune_runtime_alias_test_list): New function
1641         factored out from above.
1642         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
1643         Move from ...
1644         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
1645         ... to here.
1646         (prune_runtime_alias_test_list): New decalaration.
1647
1648 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
1649
1650         * tree-vect-data-refs.c (compare_tree): Rename and move ...
1651         * tree-data-ref.c (data_ref_compare_tree): ... to here.
1652         * tree-data-ref.h (data_ref_compare_tree): New decalaration.
1653         * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
1654         (operator==, comp_dr_with_seg_len_pair): Ditto.
1655         (vect_prune_runtime_alias_test_list): Ditto.
1656
1657 2017-05-26  Martin Liska  <mliska@suse.cz>
1658
1659         PR ipa/80663
1660         * params.def: Bound partial-inlining-entry-probability param.
1661
1662 2017-05-26  Marek Polacek  <polacek@redhat.com>
1663
1664         PR sanitizer/80875
1665         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
1666         can be negated.
1667
1668 2017-05-26  Richard Biener  <rguenther@suse.de>
1669
1670         PR tree-optimization/80842
1671         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
1672         value.
1673
1674 2017-05-26  Richard Biener  <rguenther@suse.de>
1675
1676         PR tree-optimization/80844
1677         * tree-vectorizer.c (adjust_simduid_builtins): Propagate results.
1678
1679 2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>
1680
1681         * doc/md.texi (Machine Constraints): Update x86 family
1682         machine constraints section to match 'config/i386/constraints.md'.
1683
1684 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
1685
1686         * doc/invoke.texi (-Wcatch-value=): Document new warning option.
1687
1688 2017-05-25  Nathan Sidwell  <nathan@acm.org>
1689
1690         * doc/invoke.texi (--enable-languages): Update documentation.
1691
1692 2017-05-25  Martin Liska  <mliska@suse.cz>
1693
1694         * dumpfile.c: Add TDF_FOLDING.
1695         * dumpfile.h (enum dump_kind): Likewise.
1696         * genmatch.c (dt_simplify::gen_1): Use it.
1697
1698 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
1699
1700         * match.pd (view_convert (convert@0 @1)): Handle zero-extension.
1701
1702 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
1703
1704         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
1705         * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.
1706
1707 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
1708
1709         * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
1710         * match.pd (X == C): Rewrite it here.
1711         (with_possible_nonzero_bits, with_possible_nonzero_bits2,
1712         with_certain_nonzero_bits2): New predicates.
1713         * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.
1714
1715 2017-05-24  Nathan Sidwell  <nathan@acm.org>
1716
1717         * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
1718         avoid warning.
1719
1720         * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
1721         warning.
1722
1723 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
1724
1725         * config/powerpcspe: New port.  Files are copied from the rs6000
1726         port, with "rs6000" in filenames replaced by "powerpcspe".
1727
1728 2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
1729
1730         PR rtl-optimization/80754
1731         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
1732
1733 2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
1734
1735         * config/sparc/sparc.md (length): Return the correct value for -mflat
1736         sibcalls to match output_sibcall.
1737
1738 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
1739
1740         PR bootstrap/80860
1741         PR bootstrap/80843
1742         * config/rs6000/rs6000.c (struct machine_function): Add new field
1743         n_components.
1744         (rs6000_get_separate_components): Init that field, use it.
1745         (rs6000_components_for_bb): Use the field.
1746
1747 2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1748
1749         * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.
1750
1751 2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>
1752
1753         PR middle-end/80823
1754         * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
1755
1756 2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1757
1758         PR target/80725
1759         * config/s390/s390.c (s390_check_qrst_address): Check incoming
1760         address against address_operand predicate.
1761         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
1762
1763 2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>
1764
1765         * var-tracking.c (track_expr_p): Do not return 0 for tracked record
1766         parameters passed indirectly.
1767
1768 2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
1769
1770         * config/i386/i386.md (*movdi_internal): Remove SSE4
1771         alternative 18 (?r, *v).  Update insn attributes.
1772         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
1773         Update insn attributes.
1774         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
1775         Update insn attributes.
1776         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
1777         alternative 1 (r, v). Remove isa attribute.
1778         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
1779         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
1780         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
1781
1782 2017-05-23  Tom de Vries  <tom@codesourcery.com>
1783
1784         * doc/sourcebuild.texi (Directives, Verify compiler message): Document
1785         dg-line directive.
1786
1787 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
1788
1789         * cgraphunit.c (symbol_table::process_new_functions): Update.
1790         * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
1791         (inline_generate_summary): Rename to ...
1792         (ipa_fn_summary_generate): ... this one.
1793         (inline_read_summary): Rename to ...
1794         (ipa_fn_summary_read): ... this one.
1795         (inline_write_summary): Rename to ...
1796         (ipa_fn_summary_write): ... this one.
1797         (inline_free_summary): Rename to ...
1798         (ipa_free_fn_summary): ... this one.
1799         (pass_data_local_fn_summary, pass_local_fn_summary,
1800         make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
1801         pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
1802         pass_data_ipa_fn_summary, pass_ipa_fn_summary,
1803         make_pass_ipa_fn_summary): New.
1804         * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
1805         inline_write_summary, inline_free_summary): Remove.
1806         (ipa_free_fn_summary) : New.
1807         * ipa-inline.c (ipa_inline): Update.
1808         (pass_ipa_inline): Do not generate summaries.
1809         * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
1810         Remove.
1811         * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
1812         and add pass_ipa_fn_summary.
1813         * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
1814         New.
1815         (make_pass_inline_parameters): Remove.
1816
1817 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
1818
1819         * omp-low.c (struct omp_context): Remove "default_kind" member.
1820         Adjust all users.
1821
1822         * omp-offload.c (execute_oacc_device_lower): Remove the
1823         parallelism dimensions function attributes for unparallelized
1824         OpenACC kernels constructs.
1825
1826 2017-05-23  Martin Liska  <mliska@suse.cz>
1827
1828         * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
1829         functions.
1830         (cgraph_edge::make_speculative): Likewise.
1831         (cgraph_edge::resolve_speculation): Likewise.
1832         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
1833         (cgraph_node::dump): Likewise.
1834         * cgraph.h: Likewise.
1835         * cgraphunit.c (analyze_functions): Likewise.
1836         (symbol_table::compile): Likewise.
1837         * ipa-cp.c (print_all_lattices): Likewise.
1838         (determine_versionability): Likewise.
1839         (initialize_node_lattices): Likewise.
1840         (ipcp_verify_propagated_values): Likewise.
1841         (estimate_local_effects): Likewise.
1842         (update_profiling_info): Likewise.
1843         (create_specialized_node): Likewise.
1844         (perhaps_add_new_callers): Likewise.
1845         (decide_about_value): Likewise.
1846         (decide_whether_version_node): Likewise.
1847         (identify_dead_nodes): Likewise.
1848         (ipcp_store_bits_results): Likewise.
1849         * ipa-devirt.c (dump_targets): Likewise.
1850         (ipa_devirt): Likewise.
1851         * ipa-icf.c (sem_item::dump): Likewise.
1852         (sem_function::equals): Likewise.
1853         (sem_variable::equals): Likewise.
1854         (sem_item_optimizer::read_section): Likewise.
1855         (sem_item_optimizer::execute): Likewise.
1856         (congruence_class::dump): Likewise.
1857         * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
1858         (dump_inline_summary): Likewise.
1859         (estimate_node_size_and_time): Likewise.
1860         (inline_analyze_function): Likewise.
1861         * ipa-inline-transform.c (inline_call): Likewise.
1862         * ipa-inline.c (report_inline_failed_reason): Likewise.
1863         (want_early_inline_function_p): Likewise.
1864         (edge_badness): Likewise.
1865         (update_edge_key): Likewise.
1866         (inline_small_functions): Likewise.
1867         * ipa-profile.c (ipa_profile): Likewise.
1868         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1869         (ipa_make_edge_direct_to_target): Likewise.
1870         (remove_described_reference): Likewise.
1871         (ipa_impossible_devirt_target): Likewise.
1872         (propagate_controlled_uses): Likewise.
1873         (ipa_print_node_params): Likewise.
1874         (ipcp_transform_function): Likewise.
1875         * ipa-pure-const.c (pure_const_read_summary): Likewise.
1876         (propagate_pure_const): Likewise.
1877         * ipa-reference.c (generate_summary): Likewise.
1878         (read_write_all_from_decl): Likewise.
1879         (propagate): Likewise.
1880         (ipa_reference_read_optimization_summary): Likewise.
1881         * ipa-utils.c (ipa_merge_profiles): Likewise.
1882         * ipa.c (walk_polymorphic_call_targets): Likewise.
1883         (symbol_table::remove_unreachable_nodes): Likewise.
1884         (ipa_single_use): Likewise.
1885         * passes.c (execute_todo): Likewise.
1886         * predict.c (drop_profile): Likewise.
1887         * symtab.c (symtab_node::get_dump_name): New function.
1888         (symtab_node::dump_name): Likewise.
1889         (symtab_node::dump_asm_name): Likewise.
1890         (symtab_node::dump_references): Likewise.
1891         (symtab_node::dump_referring): Likewise.
1892         (symtab_node::dump_base): Likewise.
1893         (symtab_node::debug_symtab): Likewise.
1894         * tree-sra.c (convert_callers_for_node): Likewise.
1895         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
1896         * value-prof.c (init_node_map): Likewise.
1897
1898 2017-05-23  Martin Liska  <mliska@suse.cz>
1899
1900         * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
1901         and symtab_node::debug_symtab to symbol_table::debug.
1902         * cgraphunit.c (analyze_functions): Use the renamed function.
1903         (symbol_table::compile): Likewise.
1904         * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
1905         * ipa-icf.c (sem_item_optimizer::execute): Likewise.
1906         * passes.c (execute_todo): Likewise.
1907         * symtab.c (symbol_table::dump): New function.
1908         * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.
1909
1910 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
1911
1912         * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
1913         that nonconst implies exec.
1914
1915 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
1916
1917         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
1918         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
1919         (inline_edge_summary_vec): Turn into ...
1920         (ipa_call_summaries): ... this one.
1921         (redirect_to_unreachable, edge_set_predicate,
1922         evaluate_properties_for_edge, inline_summary_alloc,
1923         reset_ipa_call_summary, reset_inline_summary,
1924         inline_summary_t::duplicate): Update.
1925         (inline_edge_duplication_hook): Turn to ...
1926         (ipa_call_summary_t::duplicate): ... this one.
1927         (inline_edge_removal_hook): Turn to ...
1928         (ipa_call_summary_t::remove): ... this one.
1929         (dump_inline_edge_summary): Turn to ...
1930         (dump_ipa_call_summary): ... this one.
1931         (estimate_function_body_sizes): Update.
1932         (inline_update_callee_summaries): Update.
1933         (remap_edge_change_prob): Update.
1934         (remap_edge_summaries): Update.
1935         (inline_merge_summary): Update.
1936         (do_estimate_edge_time): Update.
1937         (inline_generate_summary): Update.
1938         (inline_read_section): Update.
1939         (inline_read_summary): Update.
1940         (inline_free_summary): Update.
1941         * ipa-inline.c (can_inline_edge_p): Update.
1942         (compute_inlined_call_time): Update.
1943         (want_inline_small_function_p): Update.
1944         (edge_badness): Update.
1945         (early_inliner): Update.
1946         * ipa-inline.h (inline_edge_summary): Turn to ...
1947         (ipa_call_summary): ... this one.
1948         (ipa_call_summary_t): New class.
1949         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
1950         (ipa_call_summaries): New.
1951         (inline_edge_summary): Remove.
1952         (estimate_edge_growth): Update.
1953         * ipa-profile.c (ipa_propagate_frequency_1): Update.
1954         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
1955         * ipa-split.c (execute_split_functions): Update.
1956         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
1957
1958 2017-05-23  Tom de Vries  <tom@codesourcery.com>
1959
1960         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
1961         attributes): Document rdrand effective target.
1962
1963 2017-05-23  Tom de Vries  <tom@codesourcery.com>
1964
1965         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
1966         attributes): Sort alphabetically.
1967
1968 2017-05-23  Georg-Johann Lay  <avr@gjlay.de>
1969
1970         * config/avr/genmultilib.awk: Use gsub instead of gensub.
1971
1972 2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
1973
1974         PR target/80718
1975         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
1976         V2DF/V2DI splat into two separate patterns, one that handles
1977         registers, and the other that only handles memory.  Drop support
1978         for splatting from a GPR on ISA 2.07 and then splitting the
1979         splat into direct move and splat.
1980         (vsx_splat_<mode>_reg): Likewise.
1981         (vsx_splat_<mode>_mem): Likewise.
1982
1983 2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>
1984
1985         * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.
1986
1987 2017-05-22  Jakub Jelinek  <jakub@redhat.com>
1988
1989         PR middle-end/80809
1990         * omp-low.c (finish_taskreg_remap): New function.
1991         (finish_taskreg_scan): If unit size of ctx->record_type
1992         is non-constant, unshare the size expression and replace
1993         decls in it with possible outer var refs.
1994
1995         PR middle-end/80809
1996         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
1997         GOVD_SHARED rather than GOVD_PRIVATE with it.
1998         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
1999         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
2000
2001         PR middle-end/80853
2002         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
2003         as last argument to build_outer_var_ref for pointer bases of array
2004         section reductions.
2005
2006 2017-05-19  Martin Sebor  <msebor@redhat.com>
2007
2008         * print-tree.c (print_node): Print DECL_READ_P flag.
2009
2010 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
2011
2012         * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
2013         * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
2014         * cgraph.c: Likewise.
2015         * cgraphunit.c: Likewise.
2016         * gengtype.c: Likewise.
2017         * ipa-cp.c: Likewise.
2018         * ipa-devirt.c: Likewise.
2019         * ipa-icf.c: Likewise.
2020         * ipa-predicate.c: Likewise.
2021         * ipa-profile.c: Likewise.
2022         * ipa-prop.c: Likewise.
2023         * ipa-split.c: Likewise.
2024         * ipa.c: Likewise.
2025         * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
2026         edge_predicate_pool, dump_inline_hints,
2027         inline_summary::account_size_time, redirect_to_unreachable,
2028         edge_set_predicate, set_hint_predicate,
2029         evaluate_conditions_for_known_args, evaluate_properties_for_edge,
2030         inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
2031         inline_summary_t::remove, remap_hint_predicate_after_duplication,
2032         inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
2033         ipa_call_summary_t::remove, initialize_growth_caches,
2034         free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
2035         debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
2036         mark_modified, unmodified_parm_1, unmodified_parm,
2037         unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
2038         set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
2039         compute_bb_predicates, will_be_nonconstant_expr_predicate,
2040         will_be_nonconstant_predicate, record_modified_bb_info,
2041         get_minimal_bb, record_modified, param_change_prob,
2042         phi_result_unknown_predicate, predicate_for_phi_result,
2043         array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
2044         estimate_function_body_sizes, compute_inline_parameters,
2045         compute_inline_parameters_for_curren, pass_data_inline_parameters,
2046         estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
2047         inline_update_callee_summaries, remap_edge_change_prob,
2048         remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
2049         inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
2050         inline_analyze_function, inline_summary_t::insert,
2051         inline_generate_summary, read_ipa_call_summary, inline_read_section,
2052         inline_read_summary, write_ipa_call_summary, inline_write_summary,
2053         inline_free_summary): Move to ipa-fnsummary.h
2054         (predicate_t): Remove.
2055         * ipa-fnsummary.c: New file.
2056         * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
2057         (enum inline_hints_vals, inline_hints, agg_position_info,
2058         INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
2059         inline_summaries, ipa_call_summary, ipa_call_summary_t,
2060         ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
2061         dump_inline_summary, dump_inline_hints, inline_generate_summary,
2062         inline_read_summary, inline_write_summary, inline_free_summary,
2063         inline_analyze_function, initialize_inline_failed,
2064         inline_merge_summary, inline_update_overall_summary,
2065         compute_inline_parameters): Move to ipa-fnsummary.h
2066         * ipa-fnsummary.h: New file.
2067         * ipa-inline-transform.h: Include ipa-inline.h.
2068         * ipa-inline.c: LIkewise.
2069
2070 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
2071
2072         * ipa-inline.c (edge_badness): Use inlined_time instead of
2073         inline_summaries->get.
2074
2075 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
2076
2077         * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.
2078
2079 2017-05-22  Nathan Sidwell  <nathan@acm.org>
2080
2081         * doc/invoke.texi (fdump-translation-unit): Delete documentation.
2082         (fdump-lang): Document 'raw' option.
2083         * dumpfile.h (TDI_tu): Delete.
2084         * dumpfile.c (dump_files): Remove translation-unit.
2085         (FIRST_AUTO_NUMBERED_DUMP): Decrement.
2086
2087 2017-05-22  Georg-Johann Lay  <avr@gjlay.de>
2088
2089         * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
2090         command option from $(AWK) call.
2091         * config/avr/genmultilib.awk: Simplify and rewrite so that it
2092         generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
2093         [FORMAT]: Remove handling of variable.
2094         * config/avr/t-multilib: Regenerate.
2095
2096 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
2097
2098         * ipa-inline-analysis.c (inline_summary::reset): Do not reset
2099         self_time.
2100         (dump_inline_summary): Do not print self_time.
2101         (estimate_function_body_sizes): Do not set self_time.
2102         (compute_inline_parameters): Likewise.
2103         (inline_read_section, inline_write_summary): Do not stream self_time.
2104         * ipa-inline.h (inline_summary): Drop self_time.
2105
2106 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
2107
2108         * ipa-inline-analysis.c (account_size_time): Rename to ...
2109         (inline_summary::account_size_time): ... this one.
2110         (reset_ipa_call_summary): Turn to ...
2111         (ipa_call_summary::reset): ... this one.
2112         (reset_inline_summary): Turn to ...
2113         (inline_summary::reset): ... this one.
2114         (inline_summary_t::remove): Update.
2115         (inline_summary_t::duplicate): Update.
2116         (ipa_call_summary_t::remove): Update.
2117         (dump_inline_summary): Update.
2118         (estimate_function_body_sizes): Update.
2119         (compute_inline_parameters): Update.
2120         (estimate_node_size_and_time): Update.
2121         (inline_merge_summary): Update.
2122         (inline_update_overall_summary): Update.
2123         (inline_read_section): Update.
2124         (inline_write_summary): Update.
2125         * ipa-inline.h (inline_summary): Rename entry to size_time_table;
2126         add account_size_time and reset member functions.
2127         (ipa_call_summary): Add reset function.
2128         * ipa-predicate.h (predicate::operator &): Constify.
2129
2130 2017-05-22  Richard Biener  <rguenther@suse.de>
2131
2132         * df-scan.c (df_insn_refs_verify): Speedup when not verifying.
2133
2134 2017-05-19  Jason Merrill  <jason@redhat.com>
2135
2136         * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.
2137
2138 2017-05-19  Marek Polacek  <polacek@redhat.com>
2139
2140         PR sanitizer/80800
2141         * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
2142         TYPE_OVERFLOW_WRAPS checks.
2143
2144 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
2145
2146         * tree-core.h (enum omp_clause_default_kind): Add
2147         "OMP_CLAUSE_DEFAULT_PRESENT".
2148         * tree-pretty-print.c (dump_omp_clause): Handle it.
2149         * gimplify.c (enum gimplify_omp_var_data): Add
2150         "GOVD_MAP_FORCE_PRESENT".
2151         (gimplify_adjust_omp_clauses_1): Map it to
2152         "GOMP_MAP_FORCE_PRESENT".
2153         (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".
2154
2155         * gimplify.c (oacc_default_clause): Clarify.
2156
2157 2017-05-19  Nathan Sidwell  <nathan@acm.org>
2158
2159         LANG_HOOK_REGISTER_DUMPS
2160         * toplev.c (general_init): Call register dump lang hook.
2161         * doc/invoke.texi: Document -fdump-lang option family.
2162         * dumpfile.c (dump_files): Remove class dump here.
2163         (FIRST_AUTO_NUMBERED_DUMP): Adjust.
2164         * dumpfile.h (tree_dump_index): Remove TDI_class.
2165         * langhooks-def.h (lhd_register_dumps): Declare.
2166         (LANG_HOOKS_REGISTER_DUMPS): Define.
2167         (LANG_HOOKS_INITIALIZER): Add it.
2168         * langhooks.c (lhd_register_dumps): Define.
2169         * langhooks.h (struct lang_hooks): Add register_dumps.
2170
2171 2017-05-19  Nathan Sidwell  <nathan@acm.org>
2172
2173         * context.h (context::set_passes): New.
2174         * context.c (context::context): Do not create pass manager.
2175         * toplev.c (general_init): Create pass manager here.
2176
2177 2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2178
2179         * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
2180         use this splitter if two add or or instructions would also work for
2181         the constant we want to generate.
2182
2183 2017-05-19  Richard Biener  <rguenther@suse.de>
2184
2185         PR build/80821
2186         * genmatch.c (dt_node::gen_kids_1): Add missing scope around
2187         predicate evaluation.
2188
2189 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
2190
2191         * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
2192         add ctor.
2193         * ipa-inline.c (want_inline_small_function_p): Do not cast to
2194         unsigned.
2195
2196 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
2197
2198         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
2199         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
2200         (inline_edge_summary_vec): Turn into ...
2201         (ipa_call_summaries): ... this one.
2202         (redirect_to_unreachable, edge_set_predicate,
2203         evaluate_properties_for_edge, inline_summary_alloc,
2204         reset_ipa_call_summary, reset_inline_summary,
2205         inline_summary_t::duplicate): Update.
2206         (inline_edge_duplication_hook): Turn to ...
2207         (ipa_call_summary_t::duplicate): ... this one.
2208         (inline_edge_removal_hook): Turn to ...
2209         (ipa_call_summary_t::remove): ... this one.
2210         (dump_inline_edge_summary): Turn to ...
2211         (dump_ipa_call_summary): ... this one.
2212         (estimate_function_body_sizes): Update.
2213         (inline_update_callee_summaries): Update.
2214         (remap_edge_change_prob): Update.
2215         (remap_edge_summaries): Update.
2216         (inline_merge_summary): Update.
2217         (do_estimate_edge_time): Update.
2218         (inline_generate_summary): Update.
2219         (inline_read_section): Update.
2220         (inline_read_summary): Update.
2221         (inline_free_summary): Update.
2222         * ipa-inline.c (can_inline_edge_p): Update.
2223         (compute_inlined_call_time): Update.
2224         (want_inline_small_function_p): Update.
2225         (edge_badness): Update.
2226         (early_inliner): Update.
2227         * ipa-inline.h (inline_edge_summary): Turn to ...
2228         (ipa_call_summary): ... this one.
2229         (ipa_call_summary_t): New class.
2230         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
2231         (ipa_call_summaries): New.
2232         (inline_edge_summary): Remove.
2233         (estimate_edge_growth): Update.
2234         * ipa-profile.c (ipa_propagate_frequency_1): Update.
2235         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
2236         * ipa-split.c (execute_split_functions): Update.
2237         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
2238
2239 2017-05-19  Richard Biener  <rguenther@suse.de>
2240
2241         PR middle-end/80764
2242         * cfgexpand.c (expand_gimple_cond): Fix loop fixup.
2243
2244 2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
2245
2246         * config/rs6000/rs6000.c (struct machine_function): Add field
2247         fpr_is_wrapped_separately.
2248         (rs6000_get_separate_components): Use 64 components.  Handle the
2249         new FPR components.
2250         (rs6000_components_for_bb): Handle the FPR components.
2251         (rs6000_emit_prologue_components): Handle the FPR components.
2252         (rs6000_emit_epilogue_components): Handle the FPR components.
2253         (rs6000_set_handled_components): Handle the FPR components.
2254         (rs6000_emit_prologue): Don't output prologue code for those FPRs
2255         that are already separately shrink-wrapped.
2256         (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
2257         that are already separately shrink-wrapped.
2258
2259 2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
2260
2261         PR target/80510
2262         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
2263         New predicate.
2264
2265         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
2266         (define_peephole2 for Altivec d-form load): Add peepholes to catch
2267         cases where the register allocator uses a move and an offsettable
2268         memory operation to/from a FPR register on ISA 2.06/2.07.
2269         (define_peephole2 for Altivec d-form store): Likewise.
2270
2271 2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
2272
2273         PR target/80799
2274         * config/i386/mmx.md (*mov<mode>_internal): Enable
2275         alternatives 11, 12, 13 and 14 also for 32bit targets.
2276         Remove alternatives 15, 16, 17 and 18.
2277         * config/i386/sse.md (vec_concatv2di): Change
2278         alternative (!x, *y) to (x, ?!*Yn).
2279
2280 2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
2281
2282         * dumpfile.h (enum dump_kind): Remove stray comma.
2283
2284 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
2285
2286         * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
2287         * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
2288         predicate::num_conditions
2289         (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
2290         (CHANGED): turn into predicate::changed.
2291         (agg_position_info): Move to ipa-predicate.h
2292         (add_condition, predicate::add_clause, predicate::operator &=,
2293         predicate::or_with, predicate::evaluate, predicate::probability,
2294         dump_condition, dump_clause, predicate::dump,
2295         predicate::remap_after_duplication, predicate::remap_after_inlining,
2296         predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
2297         (evaluate_conditions_for_known_args): Update.
2298         (set_cond_stmt_execution_predicate): Update.
2299         * ipa-inline.h: Include ipa-predicate.h
2300         (condition, inline_param_summary, conditions, agg_position_info,
2301         predicate): Move to ipa-predicate.h
2302         * ipa-predicate.c: New file.
2303         * ipa-predicate.h: New file.
2304
2305 2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>
2306
2307         * final.c (leaf_function_p): Check we are not in a sequence.
2308
2309 2017-05-18  Martin Liska  <mliska@suse.cz>
2310
2311         * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
2312         * dumpfile.c (dump_register): Use new enum dump_kind.
2313         (get_dump_file_name): Likewise.
2314         (dump_enable_all): Likewise.
2315         (dump_switch_p_1): Likewise.
2316         (enable_rtl_dump_file): Remove usage of TDF_RTL.
2317         * dumpfile.h (enum dump_kind): New enum type.
2318         (struct dump_file_info): Create constructor and
2319         format fields and comments.
2320         * passes.c (pass_manager::register_one_dump_file):
2321         Use num dump_kind.
2322         * statistics.c (statistics_early_init): Likewise.
2323         * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
2324         TDF_TREE with TDF_SLIM.
2325         (gather_memory_references_ref): Likewise.
2326
2327 2017-05-18  Martin Liska  <mliska@suse.cz>
2328
2329         * vec.h (struct vnull): Use it.
2330
2331 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
2332
2333         * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
2334         (true_predicate, false_predicate, true_predicate_p,
2335         false_predicate_p): Remove.
2336         (single_cond_predicate, not_inlined_predicate): Turn to member function
2337         in ipa-inline.h
2338         (add_condition): Update.
2339         (add_clause): Turn to...
2340         (predicate::add_clause): ... this one; update; allow passing NULL
2341         as parameter.
2342         (and_predicates): Turn to ...
2343         (predicate::operator &=): ... this one.
2344         (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
2345         (or_predicates): Turn to ...
2346         (predicate::or_with): ... this one.
2347         (evaluate_predicate): Turn to ...
2348         (predicate::evaluate): ... this one.
2349         (predicate_probability): Turn to ...
2350         (predicate::probability): ... this one.
2351         (dump_condition): Update.
2352         (dump_predicate): Turn to ...
2353         (predicate::dump): ... this one.
2354         (account_size_time): Update.
2355         (edge_set_predicate): Update.
2356         (set_hint_predicate): UPdate.
2357         (evaluate_conditions_for_known_args): Update.
2358         (evaluate_properties_for_edge): Update.
2359         (remap_predicate_after_duplication): Turn to...
2360         (predicate::remap_after_duplication): ... this one.
2361         (remap_hint_predicate_after_duplication): Update.
2362         (inline_summary_t::duplicate): UPdate.
2363         (dump_inline_edge_summary): Update.
2364         (dump_inline_summary): Update.
2365         (set_cond_stmt_execution_predicate): Update.
2366         (set_switch_stmt_execution_predicate): Update.
2367         (compute_bb_predicates): Update.
2368         (will_be_nonconstant_expr_predicate): Update.
2369         (will_be_nonconstant_predicate): Update.
2370         (phi_result_unknown_predicate): Update.
2371         (predicate_for_phi_result): Update.
2372         (array_index_predicate): Update.
2373         (estimate_function_body_sizes): Update.
2374         (estimate_node_size_and_time): Update.
2375         (estimate_ipcp_clone_size_and_time): Update.
2376         (remap_predicate): Rename to ...
2377         (predicate::remap_after_inlining): ... this one.
2378         (remap_hint_predicate): Update.
2379         (inline_merge_summary): Update.
2380         (inline_update_overall_summary): Update.
2381         (estimate_size_after_inlining): Update.
2382         (read_predicate): Rename to ...
2383         (predicate::stream_in): ... this one.
2384         (read_inline_edge_summary): Update.
2385         (write_predicate): Rename to ...
2386         (predicate::stream_out): ... this one.
2387         (write_inline_edge_summary): Update.
2388         * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
2389         (clause_t): Turn to uint32_t
2390         (predicate): Turn to class; implement constructor and operators
2391         ==, !=, &
2392         (size_time_entry): Update.
2393         (inline_summary): Update.
2394         (inline_edge_summary): Update.
2395
2396 2017-05-18  Marc Glisse  <marc.glisse@inria.fr>
2397
2398         * fold-const.c (fold_binary_loc): Move transformation...
2399         * match.pd (C - X CMP X): ... here.
2400
2401 2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
2402
2403         * config/sparc/sparc.c (sparc_option_override): Set function
2404         alignment for -mcpu=niagara7 to 64 to match the I$ line.
2405         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
2406         latency to 1.
2407         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
2408         latency to 2.
2409         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
2410
2411 2017-05-18  Marek Polacek  <polacek@redhat.com>
2412
2413         PR sanitizer/80797
2414         * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
2415         (pass_ubsan::execute): Call gimple_assign_single_p instead of
2416         gimple_assign_load_p.
2417
2418 2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2419
2420         PR middle-end/80692
2421         * real.c (do_compare): Give decimal_do_compare preference over
2422         comparing just the signs.
2423
2424 2017-05-17  Uros Bizjak  <ubizjak@gmail.com>
2425
2426         * doc/md.texi (Canonicalization of Instructions): Describe the
2427         canonical form of instructions that inherently set a condition
2428         code register.
2429
2430 2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>
2431
2432         PR middle-end/80775
2433         * tree-cfg.c: Move deletion of unreachable case statements to after
2434         the merging of consecutive case labels.
2435
2436 2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2437
2438         * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
2439         readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
2440         restoring of callee-saved registers.
2441
2442 2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>
2443
2444         * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
2445         * config/visium/visium.c (single_set_and_flags): Likewise.
2446         * config/visium/visium.md (Substitutions): Likewise.
2447
2448 2017-05-17  Martin Liska  <mliska@suse.cz>
2449
2450         * cfg.c: Introduce dump_flags_t type and
2451         use it instead of int type.
2452         * cfg.h: Likewise.
2453         * cfghooks.c: Likewise.
2454         * cfghooks.h (struct cfg_hooks): Likewise.
2455         * cfgrtl.c: Likewise.
2456         * cfgrtl.h: Likewise.
2457         * cgraph.c (cgraph_node::get_body): Likewise.
2458         * coretypes.h: Likewise.
2459         * domwalk.c: Likewise.
2460         * domwalk.h: Likewise.
2461         * dumpfile.c (struct dump_option_value_info): Likewise.
2462         (dump_enable_all): Likewise.
2463         (dump_switch_p_1): Likewise.
2464         (opt_info_switch_p): Likewise.
2465         * dumpfile.h (enum tree_dump_index): Likewise.
2466         (struct dump_file_info): Likewise.
2467         * genemit.c: Likewise.
2468         * generic-match-head.c: Likewise.
2469         * gengtype.c (open_base_files): Likewise.
2470         * gimple-pretty-print.c: Likewise.
2471         * gimple-pretty-print.h: Likewise.
2472         * graph.c (print_graph_cfg): Likewise.
2473         * graphite-scop-detection.c (dot_all_sese): Likewise.
2474         * ipa-devirt.c (build_type_inheritance_graph): Likewise.
2475         * loop-unroll.c (report_unroll): Likewise.
2476         * passes.c (pass_manager::register_one_dump_file): Likewise.
2477         * print-tree.c: Likewise.
2478         * statistics.c: Likewise.
2479         * tree-cfg.c: Likewise.
2480         * tree-cfg.h: Likewise.
2481         * tree-dfa.c: Likewise.
2482         * tree-dfa.h: Likewise.
2483         * tree-dump.c (dump_function): Likewise.
2484         * tree-dump.h (struct dump_info): Likewise.
2485         * tree-pretty-print.c: Likewise.
2486         * tree-pretty-print.h: Likewise.
2487         * tree-ssa-live.c: Likewise.
2488         * tree-ssa-live.h: Likewise.
2489         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2490         * tree-vect-loop.c: Likewise.
2491         * tree-vect-slp.c: Likewise.
2492
2493 2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
2494             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2495
2496         PR tree-optimization/80457
2497         * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
2498         of all arguments to a statement as scalar_to_vec operations.
2499         (vectorizable_call): Adjust call to vect_model_simple_cost for
2500         new parameter.
2501         (vectorizable_conversion): Likewise.
2502         (vectorizable_assignment): Likewise.
2503         (vectorizable_shift): Likewise.
2504         (vectorizable_operation): Likewise.
2505         (vectorizable_comparison): Likewise.
2506         (vect_is_simple_cond): Record the def types for operands.
2507         (vectorizable_condition): Likewise, call vect_model_simple_cost.
2508         * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
2509         for statement argument count.
2510
2511 2017-05-16  Carl Love  <cel@us.ibm.com>
2512
2513         * config/rs6000/rs6000-c: Add support for built-in functions
2514         vector unsigned long long vec_bperm (vector unsigned long long,
2515                                              vector unsigned char)
2516         vector signed long long vec_mule (vector signed int,
2517                                           vector signed int)
2518         vector unsigned long long vec_mule (vector unsigned int,
2519                                             vector unsigned int)
2520         vector signed long long vec_mulo (vector signed int,
2521                                           vector signed int)
2522         vector unsigned long long vec_mulo (vector unsigned int,
2523                                             vector unsigned int)
2524         vector signed char vec_sldw (vector signed char,
2525                                      vector signed char,
2526                                      const int)
2527         vector unsigned char vec_sldw (vector unsigned char,
2528                                        vector unsigned char,
2529                                        const int)
2530         vector signed short vec_sldw (vector signed short,
2531                                       vector signed short,
2532                                       const int)
2533         vector unsigned short vec_sldw (vector unsigned short,
2534                                         vector unsigned short,
2535                                         const int)
2536         vector signed int vec_sldw (vector signed int,
2537                                     vector signed int,
2538                                     const int)
2539         vector unsigned int vec_sldw (vector unsigned int,
2540                                       vector unsigned int,
2541                                       const int)
2542         vector signed long long vec_sldw (vector signed long long,
2543                                           vector signed long long,
2544                                           const int)
2545         vector unsigned long long vec_sldw (vector unsigned long long,
2546                                             vector unsigned long long,
2547                                             const int)
2548         * config/rs6000/rs6000-c: Add support for built-in functions
2549         * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
2550         * config/rs6000/altivec.h: Add defintion for vec_sldw.
2551         * doc/extend.texi: Update the built-in documentation for the
2552         new built-in functions.
2553
2554 2017-05-16  Marek Polacek  <polacek@redhat.com>
2555
2556         PR sanitizer/80536
2557         PR sanitizer/80386
2558         * tree.c (save_expr): Don't fold the expression.
2559
2560 2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
2561
2562         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
2563         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
2564         and (?*y,m).  Update insn attributes.
2565
2566 2017-05-16  Martin Liska  <mliska@suse.cz>
2567
2568         * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
2569         flags argument of print_gimple_stmt, print_gimple_expr,
2570         print_generic_stmt and print_generic_expr.
2571         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
2572         * coretypes.h: Likewise.
2573         * except.c (dump_eh_tree): Likewise.
2574         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
2575         * gimple-pretty-print.h: Likewise.
2576         * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
2577         (backprop::push_to_worklist): Likewise.
2578         (backprop::pop_from_worklist): Likewise.
2579         (backprop::process_use): Likewise.
2580         (backprop::intersect_uses): Likewise.
2581         (note_replacement): Likewise.
2582         * gimple-ssa-store-merging.c
2583         (pass_store_merging::terminate_all_aliasing_chains): Likewise.
2584         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
2585         (pass_store_merging::execute): Likewise.
2586         * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
2587         (ssa_base_cand_dump_callback): Likewise.
2588         (dump_incr_vec): Likewise.
2589         (replace_refs): Likewise.
2590         (replace_mult_candidate): Likewise.
2591         (create_add_on_incoming_edge): Likewise.
2592         (create_phi_basis): Likewise.
2593         (insert_initializers): Likewise.
2594         (all_phi_incrs_profitable): Likewise.
2595         (introduce_cast_before_cand): Likewise.
2596         (replace_one_candidate): Likewise.
2597         * gimplify.c (gimplify_expr): Likewise.
2598         * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
2599         (set_rename): Likewise.
2600         (rename_uses): Likewise.
2601         (copy_loop_phi_nodes): Likewise.
2602         (add_close_phis_to_merge_points): Likewise.
2603         (copy_loop_close_phi_args): Likewise.
2604         (copy_cond_phi_args): Likewise.
2605         (graphite_copy_stmts_from_block): Likewise.
2606         (translate_pending_phi_nodes): Likewise.
2607         * graphite-poly.c (print_pdr): Likewise.
2608         (dump_gbb_cases): Likewise.
2609         (dump_gbb_conditions): Likewise.
2610         (print_scop_params): Likewise.
2611         * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
2612         (build_cross_bb_scalars_use): Likewise.
2613         (gather_bbs::before_dom_children): Likewise.
2614         * hsa-dump.c (dump_hsa_immed): Likewise.
2615         * ipa-cp.c (print_ipcp_constant_value): Likewise.
2616         (get_replacement_map): Likewise.
2617         * ipa-inline-analysis.c (dump_condition): Likewise.
2618         (estimate_function_body_sizes): Likewise.
2619         * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
2620         (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
2621         * ipa-prop.c (ipa_dump_param): Likewise.
2622         (ipa_print_node_jump_functions_for_edge): Likewise.
2623         (ipa_modify_call_arguments): Likewise.
2624         (ipa_modify_expr): Likewise.
2625         (ipa_dump_param_adjustments): Likewise.
2626         (ipa_dump_agg_replacement_values): Likewise.
2627         (ipcp_modif_dom_walker::before_dom_children): Likewise.
2628         * ipa-pure-const.c (check_stmt): Likewise.
2629         (pass_nothrow::execute): Likewise.
2630         * ipa-split.c (execute_split_functions): Likewise.
2631         * omp-offload.c (dump_oacc_loop_part): Likewise.
2632         (dump_oacc_loop): Likewise.
2633         * trans-mem.c (tm_log_emit): Likewise.
2634         (tm_memopt_accumulate_memops): Likewise.
2635         (dump_tm_memopt_set): Likewise.
2636         (dump_tm_memopt_transform): Likewise.
2637         * tree-cfg.c (gimple_verify_flow_info): Likewise.
2638         (print_loop): Likewise.
2639         * tree-chkp-opt.c (chkp_print_addr): Likewise.
2640         (chkp_gather_checks_info): Likewise.
2641         (chkp_get_check_result): Likewise.
2642         (chkp_remove_check_if_pass): Likewise.
2643         (chkp_use_outer_bounds_if_possible): Likewise.
2644         (chkp_reduce_bounds_lifetime): Likewise.
2645         * tree-chkp.c (chkp_register_addr_bounds): Likewise.
2646         (chkp_mark_completed_bounds): Likewise.
2647         (chkp_register_incomplete_bounds): Likewise.
2648         (chkp_mark_invalid_bounds): Likewise.
2649         (chkp_maybe_copy_and_register_bounds): Likewise.
2650         (chkp_build_returned_bound): Likewise.
2651         (chkp_get_bound_for_parm): Likewise.
2652         (chkp_build_bndldx): Likewise.
2653         (chkp_get_bounds_by_definition): Likewise.
2654         (chkp_generate_extern_var_bounds): Likewise.
2655         (chkp_get_bounds_for_decl_addr): Likewise.
2656         * tree-chrec.c (chrec_apply): Likewise.
2657         * tree-data-ref.c (dump_data_reference): Likewise.
2658         (dump_subscript): Likewise.
2659         (dump_data_dependence_relation): Likewise.
2660         (analyze_overlapping_iterations): Likewise.
2661         * tree-inline.c (expand_call_inline): Likewise.
2662         (tree_function_versioning): Likewise.
2663         * tree-into-ssa.c (dump_defs_stack): Likewise.
2664         (dump_currdefs): Likewise.
2665         (dump_names_replaced_by): Likewise.
2666         (dump_update_ssa): Likewise.
2667         (update_ssa): Likewise.
2668         * tree-object-size.c (pass_object_sizes::execute): Likewise.
2669         * tree-parloops.c (build_new_reduction): Likewise.
2670         (try_create_reduction_list): Likewise.
2671         (ref_conflicts_with_region): Likewise.
2672         (oacc_entry_exit_ok_1): Likewise.
2673         (oacc_entry_exit_single_gang): Likewise.
2674         * tree-pretty-print.h: Likewise.
2675         * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
2676         (get_scalar_evolution): Likewise.
2677         (add_to_evolution): Likewise.
2678         (get_loop_exit_condition): Likewise.
2679         (analyze_evolution_in_loop): Likewise.
2680         (analyze_initial_condition): Likewise.
2681         (analyze_scalar_evolution): Likewise.
2682         (instantiate_scev): Likewise.
2683         (number_of_latch_executions): Likewise.
2684         (gather_chrec_stats): Likewise.
2685         (final_value_replacement_loop): Likewise.
2686         (scev_const_prop): Likewise.
2687         * tree-sra.c (dump_access): Likewise.
2688         (disqualify_candidate): Likewise.
2689         (create_access): Likewise.
2690         (reject): Likewise.
2691         (maybe_add_sra_candidate): Likewise.
2692         (create_access_replacement): Likewise.
2693         (analyze_access_subtree): Likewise.
2694         (analyze_all_variable_accesses): Likewise.
2695         (sra_modify_assign): Likewise.
2696         (initialize_constant_pool_replacements): Likewise.
2697         (find_param_candidates): Likewise.
2698         (decide_one_param_reduction): Likewise.
2699         (replace_removed_params_ssa_names): Likewise.
2700         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2701         * tree-ssa-copy.c (dump_copy_of): Likewise.
2702         (copy_prop_visit_cond_stmt): Likewise.
2703         * tree-ssa-dce.c (mark_operand_necessary): Likewise.
2704         * tree-ssa-dom.c (pass_dominator::execute): Likewise.
2705         (record_equivalences_from_stmt): Likewise.
2706         * tree-ssa-dse.c (compute_trims): Likewise.
2707         (delete_dead_call): Likewise.
2708         (delete_dead_assignment): Likewise.
2709         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
2710         (forward_propagate_into_cond): Likewise.
2711         (pass_forwprop::execute): Likewise.
2712         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
2713         * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
2714         Likewise.
2715         (move_computations_worker): Likewise.
2716         (execute_sm): Likewise.
2717         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
2718         (remove_exits_and_undefined_stmts): Likewise.
2719         (remove_redundant_iv_tests): Likewise.
2720         * tree-ssa-loop-ivopts.c (dump_use): Likewise.
2721         (adjust_iv_update_pos): Likewise.
2722         * tree-ssa-math-opts.c (bswap_replace): Likewise.
2723         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
2724         (value_replacement): Likewise.
2725         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2726         * tree-ssa-pre.c (print_pre_expr): Likewise.
2727         (get_representative_for): Likewise.
2728         (create_expression_by_pieces): Likewise.
2729         (insert_into_preds_of_block): Likewise.
2730         (eliminate_insert): Likewise.
2731         (eliminate_dom_walker::before_dom_children): Likewise.
2732         (eliminate): Likewise.
2733         (remove_dead_inserted_code): Likewise.
2734         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
2735         * tree-ssa-reassoc.c (get_rank): Likewise.
2736         (eliminate_duplicate_pair): Likewise.
2737         (eliminate_plus_minus_pair): Likewise.
2738         (eliminate_not_pairs): Likewise.
2739         (undistribute_ops_list): Likewise.
2740         (eliminate_redundant_comparison): Likewise.
2741         (update_range_test): Likewise.
2742         (optimize_range_tests_var_bound): Likewise.
2743         (optimize_vec_cond_expr): Likewise.
2744         (rewrite_expr_tree): Likewise.
2745         (rewrite_expr_tree_parallel): Likewise.
2746         (linearize_expr): Likewise.
2747         (break_up_subtract): Likewise.
2748         (linearize_expr_tree): Likewise.
2749         (attempt_builtin_powi): Likewise.
2750         (attempt_builtin_copysign): Likewise.
2751         (transform_stmt_to_copy): Likewise.
2752         (transform_stmt_to_multiply): Likewise.
2753         (dump_ops_vector): Likewise.
2754         * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
2755         (print_scc): Likewise.
2756         (set_ssa_val_to): Likewise.
2757         (visit_reference_op_store): Likewise.
2758         (visit_use): Likewise.
2759         (sccvn_dom_walker::before_dom_children): Likewise.
2760         (run_scc_vn): Likewise.
2761         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
2762         Likewise.
2763         (expr_hash_elt::print): Likewise.
2764         (const_and_copies::pop_to_marker): Likewise.
2765         (const_and_copies::record_const_or_copy_raw): Likewise.
2766         * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
2767         * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
2768         (dump_predicates): Likewise.
2769         (find_uninit_use): Likewise.
2770         (warn_uninitialized_phi): Likewise.
2771         (pass_late_warn_uninitialized::execute): Likewise.
2772         * tree-ssa.c (verify_vssa): Likewise.
2773         (verify_ssa): Likewise.
2774         (maybe_optimize_var): Likewise.
2775         * tree-vrp.c (dump_value_range): Likewise.
2776         (dump_all_value_ranges): Likewise.
2777         (dump_asserts_for): Likewise.
2778         (register_edge_assert_for_2): Likewise.
2779         (vrp_visit_cond_stmt): Likewise.
2780         (vrp_visit_switch_stmt): Likewise.
2781         (vrp_visit_stmt): Likewise.
2782         (vrp_visit_phi_node): Likewise.
2783         (simplify_cond_using_ranges_1): Likewise.
2784         (fold_predicate_in): Likewise.
2785         (evrp_dom_walker::before_dom_children): Likewise.
2786         (evrp_dom_walker::push_value_range): Likewise.
2787         (evrp_dom_walker::pop_value_range): Likewise.
2788         (execute_early_vrp): Likewise.
2789
2790 2017-05-16  Richard Biener  <rguenther@suse.de>
2791
2792         * dwarf2out.c (loc_list_from_tree_1): Do not create
2793         DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
2794
2795 2017-05-16  Richard Biener  <rguenther@suse.de>
2796
2797         * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
2798         just generated.
2799         (note_variable_value_in_expr): If we resolved the decl ref
2800         do not push to the stack.
2801
2802 2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>
2803
2804         * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
2805         operations in fast-math mode.
2806         (vaddq_f16): Likewise.
2807         (vmul_f16): Likewise.
2808         (vmulq_f16): Likewise.
2809         (vsub_f16): Likewise.
2810         (vsubq_f16): Likewise.
2811         * config/arm/neon.md (add<mode>3): New.
2812         (sub<mode>3): New.
2813         (fma:<VH:mode>3): New.  Also remove outdated comment.
2814         (mul<mode>3): New.
2815
2816 2017-05-16  Martin Liska  <mliska@suse.cz>
2817
2818         PR ipa/79849.
2819         PR ipa/79850.
2820         * ipa-devirt.c (warn_types_mismatch): Fix typo.
2821         (odr_types_equivalent_p): Likewise.
2822
2823 2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>
2824
2825         * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).
2826
2827 2017-05-15  Uros Bizjak  <ubizjak@gmail.com>
2828
2829         PR target/80425
2830         * config/i386.i386.md (*zero_extendsidi2): Do not penalize
2831         non-interunit SSE move alternatives with '?'.
2832         (zero-extendsidi peephole2): New peephole to skip intermediate
2833         general register in SSE zero-extend sequence.
2834
2835 2017-05-15  Jeff Law  <law@redhat.com>
2836
2837         * reorg.c (relax_delay_slots): Create a new variable to hold
2838         the temporary target rather than clobbering TARGET_LABEL.
2839
2840         * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
2841         missing argument to extract_bit_field call.
2842         * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.
2843
2844 2017-05-15  Martin Liska  <mliska@suse.cz>
2845
2846         PR driver/31468
2847         * gcc.c (process_command): Do not allow empty argument of -o option.
2848
2849 2017-05-15  Renlin Li  <renlin.li@arm.com>
2850
2851         * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
2852         * config/aarch64/aarch64.c (aarch64_expand_call): Define.
2853         * config/aarch64/constraints.md (Usf): Add long call check.
2854         * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
2855         (call_value): Likewise.
2856         (sibcall): Likewise.
2857         (sibcall_value): Likewise.
2858         (call_insn): New.
2859         (call_value_insn): New.
2860         (sibcall_insn): Update rtx pattern.
2861         (sibcall_value_insn): Likewise.
2862         (call_internal): Remove.
2863         (call_value_internal): Likewise.
2864         (sibcall_internal): Likewise.
2865         (sibcall_value_internal): Likewise.
2866         (call_reg): Likewise.
2867         (call_symbol): Likewise.
2868         (call_value_reg): Likewise.
2869         (call_value_symbol): Likewise.
2870
2871 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
2872
2873         PR target/80600
2874         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.
2875
2876 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
2877
2878         * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
2879         compatible with CCGOCmode and with CCZmode.
2880
2881 2017-05-14  Martin Sebor  <msebor@redhat.com>
2882
2883         PR middle-end/77671
2884         * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
2885         (gimple_fold_builtin_snprintf): Same.
2886         * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
2887         (gimple_fold_builtin_snprintf): Same.
2888         * gimple-ssa-sprintf.c (get_format_string): Correct the detection
2889         of character types.
2890         (is_call_safe): New function.
2891         (try_substitute_return_value): Call it.
2892         (try_simplify_call): New function.
2893         (pass_sprintf_length::handle_gimple_call): Call it.
2894
2895 2017-05-14  Martin Sebor  <msebor@redhat.com>
2896
2897         PR middle-end/80669
2898         * builtins.c (expand_builtin_stpncpy): Simplify.
2899
2900 2017-05-14  Daniel Santos  <daniel.santos@pobox.com>
2901
2902         * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
2903         * config/i386/i386.h
2904         (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
2905         (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
2906         (struct machine_function): Add new members call_ms2sysv,
2907         call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
2908         (struct machine_frame_state): New fields sp_realigned and
2909         sp_realigned_offset.
2910         * config/i386/i386.c
2911         (enum xlogue_stub): New enum.
2912         (enum xlogue_stub_sets): New enum.
2913         (class xlogue_layout): New class.
2914         (struct ix86_frame): New fields stack_realign_allocate_offset,
2915         stack_realign_offset and outlined_save_offset.  Modify comments to
2916         detail stack layout when using out-of-line stubs.
2917         (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
2918         (ix86_option_override_internal): Add sorry() for TARGET_SEH and
2919         -mcall-ms2sysv-xlogues.
2920         (stub_managed_regs): New static variable.
2921         (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
2922         registers managed by out-of-line stub.
2923         (disable_call_ms2sysv_xlogues): New function.
2924         (ix86_compute_frame_layout): Modify re-alignment calculations, disable
2925         m->call_ms2sysv when appropriate and compute frame layout for
2926         out-of-line stubs.
2927         (sp_valid_at, fp_valid_at): New inline functions.
2928         (choose_basereg): New function.
2929         (choose_baseaddr): Add align parameter, use choose_basereg and modify
2930         all callers.
2931         (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
2932         Use align parameter of choose_baseaddr to generated aligned SSE movs
2933         when possible.
2934         (pro_epilogue_adjust_stack): Modify to track
2935         machine_frame_state::sp_realigned.
2936         (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
2937         (ix86_nsaved_sseregs): Likewise.
2938         (ix86_emit_save_regs): Likewise.
2939         (ix86_emit_save_regs_using_mov): Likewise.
2940         (ix86_emit_save_sse_regs_using_mov): Likewise.
2941         (get_scratch_register_on_entry): Likewise.
2942         (gen_frame_set): New function.
2943         (gen_frame_load): Likewise.
2944         (gen_frame_store): Likewise.
2945         (emit_outlined_ms2sysv_save): Likewise.
2946         (emit_outlined_ms2sysv_restore): Likewise.
2947         (ix86_expand_prologue): Modify stack re-alignment code and call
2948         emit_outlined_ms2sysv_save when appropriate.
2949         (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
2950         parameter rtx_insn *insn, which allows the function to be used to only
2951         generate the notes.
2952         (ix86_expand_epilogue): Modify validity checks of frame and stack
2953         pointers, and call emit_outlined_ms2sysv_restore when appropriate.
2954         (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
2955         * config/i386/predicates.md
2956         (save_multiple): New predicate.
2957         (restore_multiple): Likewise.
2958         * config/i386/sse.md
2959         (save_multiple<mode>): New pattern.
2960         (save_multiple_realign<mode>): Likewise.
2961         (restore_multiple<mode>): Likewise.
2962         (restore_multiple_and_return<mode>): Likewise.
2963         (restore_multiple_leave_return<mode>): Likewise.
2964         * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp
2965
2966 2017-05-14  Julia Koval  <julia.koval@intel.com>
2967
2968         * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
2969         * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
2970         (__builtin_ia32_xsetbv): New builtins.
2971         * config/i386/i386.c (ix86_expand_special_args_builtin):
2972         Process new types.
2973         (ix86_expand_builtin): Special expand for new intrinsics.
2974         * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
2975         (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
2976         * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.
2977
2978 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2979
2980         * cfganal.c (inverted_post_order_compute): Change argument type
2981         to vec *.
2982         * cfganal.h (inverted_post_order_compute): Adjust prototype.
2983         * df-core.c (rest_of_handle_df_initialize): Adjust.
2984         (rest_of_handle_df_finish): Likewise.
2985         (df_analyze_1): Likewise.
2986         (df_analyze): Likewise.
2987         (loop_inverted_post_order_compute): Change argument to be a vec *.
2988         (df_analyze_loop): Adjust.
2989         (df_get_n_blocks): Likewise.
2990         (df_get_postorder): Likewise.
2991         * df.h (struct df_d): Change field to be a vec.
2992         * lcm.c (compute_laterin): Adjust.
2993         (compute_available): Likewise.
2994         * lra-lives.c (lra_create_live_ranges_1): Likewise.
2995         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2996         * tree-ssa-pre.c (compute_antic): Likewise.
2997
2998 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2999
3000         * cfganal.c (connect_infinite_loops_to_exit): Adjust.
3001         (depth_first_search::depth_first_search): Change structure init
3002         function to this constructor.
3003         (depth_first_search::add_bb): Rename function to this member.
3004         (depth_first_search::execute): Likewise.
3005         (flow_dfs_compute_reverse_finish): Adjust.
3006
3007 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3008
3009         * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
3010         (longest_simple_path): Likewise.
3011         * shrink-wrap.c (spread_components): Likewise.
3012         (disqualify_problematic_components): Likewise.
3013         (emit_common_heads_for_components): Likewise.
3014         (emit_common_tails_for_components): Likewise.
3015         (insert_prologue_epilogue_for_components): Likewise.
3016
3017 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3018
3019         * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
3020         auto_sbitmap.
3021
3022 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3023
3024         * df-core.c (df_set_blocks): Start using auto_bitmap.
3025         (df_compact_blocks): Likewise.
3026         * df-problems.c (df_rd_confluence_n): Likewise.
3027         * df-scan.c (df_insn_rescan_all): Likewise.
3028         (df_process_deferred_rescans): Likewise.
3029         (df_update_entry_block_defs): Likewise.
3030         (df_update_exit_block_uses): Likewise.
3031         (df_entry_block_bitmap_verify): Likewise.
3032         (df_exit_block_bitmap_verify): Likewise.
3033         (df_scan_verify): Likewise.
3034         * lra-constraints.c (lra_constraints): Likewise.
3035         (undo_optional_reloads): Likewise.
3036         (lra_undo_inheritance): Likewise.
3037         * lra-remat.c (calculate_gen_cands): Likewise.
3038         (do_remat): Likewise.
3039         * lra-spills.c (assign_spill_hard_regs): Likewise.
3040         (spill_pseudos): Likewise.
3041         * tree-ssa-pre.c (bitmap_set_and): Likewise.
3042         (bitmap_set_subtract_values): Likewise.
3043
3044 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3045
3046         * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
3047         management with auto_bitmap.
3048         (fix_inter_tick): Likewise.
3049         (fix_recovery_deps): Likewise.
3050         * ira.c (add_store_equivs): Likewise.
3051         (find_moveable_pseudos): Likewise.
3052         (split_live_ranges_for_shrink_wrap): Likewise.
3053         * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
3054         (rtx_reuse_manager::seen_def_p): Likewise.
3055         (rtx_reuse_manager::set_seen_def): Likewise.
3056         * print-rtl.h (class rtx_reuse_manager): Likewise.
3057
3058 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3059
3060         * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
3061         lifetime.
3062         (migrate_btr_def): Likewise.
3063         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
3064         * df-core.c (loop_post_order_compute): Likewise.
3065         (loop_inverted_post_order_compute): Likewise.
3066         * hsa-common.h: Likewise.
3067         * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
3068         * init-regs.c (initialize_uninitialized_regs): Likewise.
3069         * ipa-inline.c (resolve_noninline_speculation): Likewise.
3070         (inline_small_functions): Likewise.
3071         * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
3072         * ira.c (combine_and_move_insns): Likewise.
3073         (build_insn_chain): Likewise.
3074         * loop-invariant.c (find_invariants): Likewise.
3075         * lower-subreg.c (propagate_pseudo_copies): Likewise.
3076         * predict.c (tree_predict_by_opcode): Likewise.
3077         (predict_paths_leading_to): Likewise.
3078         (predict_paths_leading_to_edge): Likewise.
3079         (estimate_loops_at_level): Likewise.
3080         (estimate_loops): Likewise.
3081         * shrink-wrap.c (try_shrink_wrapping): Likewise.
3082         (spread_components): Likewise.
3083         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
3084         * tree-loop-distribution.c (rdg_build_partitions): Likewise.
3085         * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
3086         * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
3087         * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
3088         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3089         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
3090         * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
3091         (mark_threaded_blocks): Likewise.
3092         (thread_through_all_blocks): Likewise.
3093         * tree-ssa.c (verify_ssa): Likewise.
3094         (execute_update_addresses_taken): Likewise.
3095         * tree-ssanames.c (verify_ssaname_freelists): Likewise.
3096
3097 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3098
3099         * cfganal.c (mark_dfs_back_edges): Replace manual stack with
3100         auto_vec.
3101         (post_order_compute): Likewise.
3102         (inverted_post_order_compute): Likewise.
3103         (pre_and_rev_post_order_compute_fn): Likewise.
3104
3105 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3106
3107         * genrecog.c (int_set::int_set): Explicitly construct our
3108         auto_vec base class.
3109         * vec.h (auto_vec::auto_vec): New constructor.
3110
3111 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3112
3113         * bitmap.h (class auto_bitmap): New constructor taking
3114         bitmap_obstack * argument.
3115
3116 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3117
3118         * bitmap.h (class auto_bitmap): Change type of m_bits to
3119         bitmap_head, and adjust ctor / dtor and member operators.
3120
3121 2017-05-13  Uros Bizjak  <ubizjak@gmail.com>
3122
3123         * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
3124         when returned register mode doesn't match original mode.
3125
3126 2017-05-12  Jeff Law  <law@redhat.com>
3127             Jakub Jelinek  <jakub@redhat.com>
3128
3129         * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
3130         we look for cc setter after the compare-elim changes.
3131         * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
3132         within the vector to match what compare-elim now expects.
3133         (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
3134         (xorsi3_flags, one_cmplsi2_flags): Likewise.
3135
3136         * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
3137         after the compare-elim changes.
3138         * config/rx/rx.md (abssi2_flags): Fix order of patterns within
3139         the vector to match what compare-elim now expects.
3140         (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
3141         (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
3142         (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
3143         (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
3144         (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.
3145
3146         * config/visium/visium.c (single_set_and_flags): Fix where
3147         we look for cc setter after the compare-elim changes.
3148         * config/visium/visium.md (flags_subst_logic): Fix order of patterns
3149         with the vector to match what compare-elim now expects.
3150         (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
3151         (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
3152         (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
3153         (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
3154         (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
3155         (neg<mode>2_insn_set_overflow): Likewise.
3156
3157 2017-05-12  Jim Wilson  <jim.wilson@linaro.org>
3158
3159         PR middle-end/79794
3160         * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
3161         maybe_expand_insn call, set ops[0].target.  If still set after call,
3162         set alt_rtl.  Add extra arg to recursive calls.
3163         (extract_bit_field): Add alt_rtl argument.  Pass to
3164         extract_bit_field.
3165         * expmed.h (extract_bit_field): Fix prototype.
3166         * expr.c (emit_group_load_1, copy_blkmode_from_reg)
3167         (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
3168         to extract_bit_field_calls.
3169         (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
3170         Pass alt_rtl to extract_bit_field calls.
3171         * calls.c (store_unaligned_arguments_into_psuedos)
3172         load_register_parameters): Pass extra NULL to extract_bit_field calls.
3173         * optabs.c (maybe_legitimize_operand): Clear op->target when call
3174         gen_reg_rtx.
3175         * optabs.h (struct expand_operand): Add target bitfield.
3176
3177 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
3178
3179         * compare-elim.c (try_eliminate_compare): Canonicalize
3180         operation with embedded compare to
3181         [(set (reg:CCM) (compare:CCM (operation) (immediate)))
3182          (set (reg) (operation)].
3183
3184         * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.
3185
3186 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
3187
3188         PR target/80723
3189         * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
3190         cost of adding a carry flag for ADC instruction.
3191         [case MINUS]: Ignore the cost of subtracting a carry flag
3192         for SBB instruction.
3193
3194 2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>
3195
3196         * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
3197         and x86intrin.h
3198         * config/rs6000/bmiintrin.h: New file.
3199         * config/rs6000/bmi2intrin.h: New file.
3200         * config/rs6000/x86intrin.h: New file.
3201
3202 2017-05-12  Jeff Law  <law@redhat.com>
3203
3204         * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
3205         markers.
3206
3207 2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>
3208
3209         PR middle-end/80707
3210         * tree-cfg.c: Remove cfg edges of unreachable case statements.
3211
3212 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
3213
3214         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
3215         early expansion of vector divide builtins.
3216         (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
3217         builtins identified as having unsigned arguments.
3218
3219 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
3220
3221         * config/rs6000/rs6000.c (gimple-fold.h): New #include.
3222         (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
3223         expansion of vector logical operations (and, andc, or, xor,
3224         nor, orc, nand).
3225
3226 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
3227
3228         * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
3229         * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.
3230
3231 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
3232
3233         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
3234         early GIMPLE expansion of vector multiplies.
3235
3236 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
3237
3238         * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
3239         TARGET_HAVE_MOVT conditional.
3240         (movt splitter): Likewise.
3241
3242 2017-05-12  Richard Biener  <rguenther@suse.de>
3243
3244         * tree-ssa-sccvn.h (has_VN_INFO): Declare.
3245         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
3246         Fold all stmts not inplace.
3247
3248 2017-05-12  Richard Biener  <rguenther@suse.de>
3249
3250         PR tree-optimization/80713
3251         * tree-ssa-pre.c (remove_dead_inserted_code): Clear
3252         inserted_exprs bit for not removed stmts.
3253
3254 2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
3255
3256         PR middle-end/69921
3257         * tree-parloops.c (create_parallel_loop): Set "oacc kernels
3258         parallelized" attribute for parallelized OpenACC kernels.
3259         * omp-offload.c (execute_oacc_device_lower): Use it.
3260
3261         * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
3262         Set "oacc kernels" attribute.
3263         * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
3264         parameter.  Adjust all users.
3265         (oacc_fn_attrib_kernels_p): Remove function.
3266         * omp-offload.c (execute_oacc_device_lower): Look for "oacc
3267         kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
3268         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
3269         * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
3270         assert "oacc kernels" attribute is set.
3271
3272 2017-05-11  Carl Love  <cel@us.ibm.com>
3273
3274         * config/rs6000/rs6000-c: Add support for built-in functions
3275         vector unsigned char vec_popcnt (vector signed char)
3276         vector unsigned char vec_popcnt (vector unsigned char)
3277         vector unsigned short vec_popcnt (vector signed short)
3278         vector unsigned short vec_popcnt (vector unsigned short)
3279         vector unsigned int vec_popcnt (vector signed int)
3280         vector unsigned int vec_popcnt (vector unsigned int)
3281         vector unsigned long long vec_popcnt (vector signed long long)
3282         vector unsigned long long vec_popcnt (vector unsigned long long)
3283         vector signed long long vec_slo (vector signed long long,
3284                                          vector signed char)
3285         vector signed long long vec_slo (vector signed long long,
3286                                          vector unsigned char)
3287         vector unsigned long long vec_slo (vector unsigned long long,
3288                                            vector signed char)
3289         vector unsigned long long vec_slo (vector unsigned long long,
3290                                            vector unsigned char)
3291         * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
3292         VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
3293         * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
3294         vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
3295         * doc/extend.texi: Update the built-in documentation file for the
3296         new built-in functions.
3297
3298 2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
3299
3300         * attribs.h (sorted_attr_string): Move machine independent
3301         functions for target clone support from the i386 port to common
3302         code.  Rename ix86_function_versions to common_function_versions.
3303         Rename make_name to make_unique_name.
3304         (common_function_versions): Likewise.
3305         (make_unique_name): Likewise.
3306         (make_dispatcher_decl): Likewise.
3307         (is_function_default_version): Likewise.
3308         * attribs.c (attr_strcmp): Likewise.
3309         (sorted_attr_string): Likewise.
3310         (common_function_versions): Likewise.
3311         (make_unique_name): Likewise.
3312         (make_dispatcher_decl): Likewise.
3313         (is_function_default_version): Likewise.
3314         * config/i386/i386.c (attr_strcmp): Likewise.
3315         (sorted_attr_string): Likewise.
3316         (ix86_function_versions): Likewise.
3317         (make_name): Likewise.
3318         (make_dispatcher_decl): Likewise.
3319         (is_function_default_version): Likewise.
3320         (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.
3321
3322 2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3323
3324         PR target/80695
3325         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
3326         Account for direct move costs for vec_construct of integer
3327         vectors.
3328
3329 2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
3330
3331         PR target/80706
3332         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
3333         (UNSPEC_STX_ATOMIC): Ditto.
3334         (loaddi_via_sse): New insn.
3335         (storedi_via_sse): Ditto.
3336         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
3337         Update corresponding peephole2 patterns.
3338         (atomic_storedi_fpu): Ditto.
3339
3340 2017-05-11  Julia Koval  <julia.koval@intel.com>
3341
3342         * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
3343         (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
3344         New intrinsics.
3345         * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
3346         (__builtin_ia32_rsqrt14ss_mask): New builtins.
3347         * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.
3348
3349 2017-05-11  Nathan Sidwell  <nathan@acm.org>
3350
3351         * graphite-poly.c: Include dumpfile.h.
3352
3353         * dumpfle.h (dump_function): Declare here ...
3354         * tree-dump.h (dump_function): ... not here.
3355         * dumpfile.c: #include tree-cfg.h.
3356         (dump_function): Move here from ...
3357         * tree-dump.c (dump_function): ... here.
3358         * gimplify.c: #include splay-tree.h, not tree-dump.h.
3359         * graphite-poly.c: Don't include tree-dump.h.
3360         * cgraphclones.c: Include dumpfile.h not tree-dump.h.
3361         * print-tree.c: Likewise.
3362         * stor-layout.c: Likewise.
3363         * tree-nested.c: Likewise.
3364
3365         * dumpfile.c (dump_start): Use TDF_FLAGS.
3366         (dump_enable_all): Fix TDF_KIND check thinko.
3367
3368 2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3369
3370         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3371         array entries to represent two legal parameterizations of the
3372         overloaded __builtin_cmpb function, as represented by the
3373         P6_OV_BUILTIN_CMPB constant.
3374         (altivec_resolve_overloaded_builtin): Add special case handling
3375         for the __builtin_cmpb function, as represented by the
3376         P6_OV_BUILTIN_CMPB constant.
3377         * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
3378         (BU_P6_64BIT_2): New macro.
3379         (BU_P6_OVERLOAD_2): New macro
3380         (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
3381         (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
3382         (CMPB): Add overload support to represent both 32-bit and 64-bit
3383         compare-bytes function.
3384         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
3385         support for TARGET_CMPB.
3386         * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
3387         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
3388         documentation of the __builtin_cmpb overloaded built-in function.
3389
3390 2017-05-11  Richard Biener  <rguenther@suse.de>
3391
3392         PR tree-optimization/80705
3393         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
3394         bases are not vectorizable.
3395
3396 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3397
3398         * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
3399         when counting register pressure.
3400
3401 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3402
3403         * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
3404         (iv_ca_more_deps): Renamed to ...
3405         (iv_ca_compare_deps): ... this.
3406         (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.
3407
3408 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3409
3410         * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
3411         to ...
3412         (determine_group_iv_costs): ... here.
3413         (find_inv_vars_cb): Record inv var if it's not recorded before.
3414
3415 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3416
3417         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
3418         (get_shiftadd_cost): Ditto.
3419
3420 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3421
3422         * tree-ssa-address.c: Include header file.
3423         (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
3424         address.
3425         (add_to_parts): Refactor.
3426         (addr_to_parts): New parameter.  Update use of move_hint_to_base.
3427         (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
3428         in new order.
3429
3430 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3431
3432         PR tree-optimization/53090
3433         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
3434         COMP_IV_EXPR_2.
3435         (extract_cond_operands): Detect condition with IV on both sides
3436         and return COMP_IV_EXPR_2.
3437         (find_interesting_uses_cond): Add iv_use for both IVs in condition.
3438         (rewrite_use_compare): Simplify by removing call to function
3439         extract_cond_operands.
3440
3441 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3442
3443         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
3444         (extract_cond_operands): Detect condition comparing against non-
3445         invariant bound and return appropriate enum value.
3446         (find_interesting_uses_cond): Update use of extract_cond_operands.
3447         Handle its return value accordingly.
3448         (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.
3449
3450 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3451
3452         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
3453         nonlinear iv_use computation in loop invariant sensitive way.
3454
3455 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3456
3457         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
3458         (find_iv_candidates): Call relate_compare_use_with_all_cands.
3459
3460 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3461
3462         * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
3463         (dump_cand): Support iv_cand.inv_exprs.
3464         (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
3465         for candidates.
3466         (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
3467         iv_cand.inv_exprs.
3468
3469 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3470
3471         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
3472         from ...
3473         * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
3474         as local function.  Include necessary header files.
3475         * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.
3476
3477 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3478
3479         * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.
3480
3481 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3482
3483         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
3484         operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
3485         RSHIFT_EXPR and BIT_NOT_EXPR.
3486
3487 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3488
3489         * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
3490         (adjust_setup_cost): New parameter supporting round up adjustment.
3491         (struct address_cost_data): Delete.
3492         (force_expr_to_var_cost): Don't bound cost with spill_cost.
3493         (split_address_cost, ptr_difference_cost): Delete.
3494         (difference_cost, compare_aff_trees, record_inv_expr): Delete.
3495         (struct ainc_cost_data): New struct.
3496         (get_address_cost_ainc): New function.
3497         (get_address_cost, get_computation_cost): Reimplement.
3498         (determine_group_iv_cost_address): Record inv_expr for all uses of
3499         a group.
3500         (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
3501         (iv_ca_has_deps): Reimplemented to ...
3502         (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
3503         than OLD_CP.
3504         (iv_ca_extend): Call iv_ca_more_deps.
3505
3506 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3507
3508         * tree-ssa-address.c (struct mem_address): Move to header file.
3509         (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
3510         * tree-ssa-address.h (struct mem_address): Move from C file.
3511         (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.
3512
3513 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3514
3515         * tree-affine.h (aff_combination_type): New interface.
3516         (aff_combination_zero_p): Remove static.
3517         (aff_combination_const_p): New interface.
3518         (aff_combination_singleton_var_p): New interfaces.
3519
3520 2017-05-11  Richard Biener  <rguenther@suse.de>
3521
3522         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
3523         Skip unreachable blocks and destinations.
3524         (eliminate): Move stmt removal and fixup ...
3525         (fini_eliminate): ... here.  Skip inserted exprs.
3526         (pass_pre::execute): Move fini_pre after fini_eliminate.
3527         * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
3528         (tail_merge_optimize): Run cleanup_tree_cfg if requested by
3529         PRE to get rid of dead code that has invalid SSA form and
3530         split critical edges again.
3531
3532 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3533
3534         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
3535
3536 2017-05-11  Richard Biener  <rguenther@suse.de>
3537
3538         * passes.c (execute_function_todo): Verify loops if they are
3539         said to be up-to-date.
3540         * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
3541         * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.
3542
3543 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
3544
3545         PR target/80090
3546         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
3547         handle calling assemble_external ourself.
3548
3549         PR target/79027
3550         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
3551         modes with zero size.  Enhance comment.
3552
3553 2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3554
3555         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
3556         built-ins for vec_xl and vec_xst with short and char pointer
3557         arguments.
3558
3559 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
3560
3561         * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
3562         (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
3563         (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
3564         (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
3565         (_mm_maskz_min_round_ss): New intrinsics.
3566         * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
3567         (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
3568         * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
3569         (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
3570         (__builtin_ia32_minss_mask_round): New builtins.
3571         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
3572         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
3573         * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
3574         Rename to ...
3575         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
3576         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
3577         Change to ...
3578         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
3579         ... this.
3580
3581 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
3582
3583         * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
3584         (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
3585         (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
3586         (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
3587         (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
3588         (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
3589         (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
3590         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
3591         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
3592         * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
3593         (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
3594         (__builtin_ia32_mulss_mask_round): New builtins.
3595         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
3596         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
3597         * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
3598         Rename to ...
3599         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
3600         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
3601         Change to ...
3602         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
3603         ... this.
3604
3605 2017-05-10  Julia Koval  <julia.koval@intel.com>
3606
3607         * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
3608         (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
3609         (_mm256_setr_m128i): New intrinsics.
3610
3611 2017-05-10  Julia Koval  <julia.koval@intel.com>
3612
3613         * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
3614         (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
3615         (_mm_maskz_rcp14_ss): New intrinsics.
3616         * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
3617         (__builtin_ia32_rcp14ss_mask): New builtins.
3618         * config/i386/sse.md (srcp14<mode>_mask): New pattern.
3619
3620 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
3621
3622         PR tree-optimization/51513
3623         * tree-cfg.c (gimple_seq_unreachable_p): New function.
3624         (assert_unreachable_fallthru_edge_p): Use it.
3625         (group_case_labels_stmt): Likewise.
3626         * tree-cfg.h: Prototype it.
3627         * stmt.c: Include cfghooks.h and tree-cfg.h.
3628         (emit_case_dispatch_table) <gap_label>: New local variable.
3629         Use it to fill dispatch table gaps.
3630         Test for default_label before updating probabilities.
3631         (expand_case) <default_label>: Remove unneeded initialization.
3632         Test for unreachable default case statement and remove its edge.
3633         Set default_label accordingly.
3634         * tree-ssa-ccp.c (optimize_unreachable): Update comment.
3635
3636 2017-05-10  Carl Love  <cel@us.ibm.com>
3637
3638         * config/rs6000/rs6000-c: Add support for built-in functions
3639         vector signed char      vec_neg (vector signed char)
3640         vector signed short int vec_neg (vector short int)
3641         vector signed int       vec_neg (vector signed int)
3642         vector signed long long vec_neg (vector signed long long)
3643         vector float            vec_neg (vector float)
3644         vector double           vec_neg (vector double)
3645         * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
3646         overload.
3647         * config/rs6000/altivec.h: Add define for vec_neg
3648         * doc/extend.texi: Update the built-in documentation for the
3649         new built-in functions.
3650
3651 2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3652
3653         PR tree-optimization/77644
3654         * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.
3655
3656 2017-05-10  Nathan Sidwell  <nathan@acm.org>
3657
3658         * dumpfile.h (TDI_lang_all): New.
3659         (TDF_KIND): New. Renumber others
3660         (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
3661         than bits.
3662         * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
3663         lang-all.
3664         (get_dump_file_name): Adjust suffix generation.
3665         (dump_enable_all): Use TDF_KIND.
3666         * doc/invoke.texi (-fdump-lang-all): Document.
3667
3668         * dumpfile.h: Tabify.
3669
3670 2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>
3671
3672         PR target/80671
3673         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
3674         Move member access before delete.
3675
3676 2017-05-10  Alexandre Oliva <aoliva@redhat.com>
3677
3678         * tree-inline.c (expand_call_inline): Split block at stmt
3679         before the call.
3680
3681 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3682
3683         PR target/68163
3684         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
3685         are now unused after splitting mov{sf,sd}_hardfloat.
3686         (f32_lr2): Likewise.
3687         (f32_lm): Likewise.
3688         (f32_lm2): Likewise.
3689         (f32_li): Likewise.
3690         (f32_li2): Likewise.
3691         (f32_lv): Likewise.
3692         (f32_sr): Likewise.
3693         (f32_sr2): Likewise.
3694         (f32_sm): Likewise.
3695         (f32_sm2): Likewise.
3696         (f32_si): Likewise.
3697         (f32_si2): Likewise.
3698         (f32_sv): Likewise.
3699         (f32_dm): Likewise.
3700         (f32_vsx): Likewise.
3701         (f32_av): Likewise.
3702         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
3703         For movsf, order stores so the VSX stores occur before the GPR
3704         store which encourages the register allocator to use a traditional
3705         FPR instead of a GPR.  For movsd, order the stores so that the GPR
3706         store comes before the VSX stores to allow the power6 to work.
3707         This is due to the power6 not having a 32-bit integer store
3708         instruction from a FPR.
3709         (movsf_hardfloat): Likewise.
3710         (movsd_hardfloat): Likewise.
3711
3712 2017-05-09  Martin Sebor  <msebor@redhat.com>
3713
3714         PR translation/80280
3715         * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
3716         added in r247778.
3717
3718         PR translation/80280
3719         * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
3720         data member added in r247778.
3721         (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.
3722
3723 2017-05-09  Nathan Sidwell  <nathan@acm.org>
3724
3725         * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.
3726
3727         * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
3728         typedefs.
3729
3730 2017-05-09  Marek Polacek  <polacek@redhat.com>
3731
3732         * doc/invoke.texi: Fix typo.
3733
3734 2017-05-09  Richard Biener  <rguenther@suse.de>
3735
3736         * tree-vrp.c (vrp_val_is_max): Adjust comment.
3737         (vrp_val_is_min): Likewise.
3738         (set_value_range_to_value): Likewise.
3739         (set_value_range_to_nonnegative): Likewise.
3740         (gimple_assign_nonzero_p): Likewise.
3741         (gimple_stmt_nonzero_p): Likewise.
3742         (vrp_int_const_binop): Likewise.  Remove unreachable case.
3743         (adjust_range_with_scev): Adjust comments.
3744         (compare_range_with_value): Likewise.
3745         (extract_range_from_phi_node): Likewise.
3746         (test_for_singularity): Likewise.
3747
3748 2017-05-09  Richard Biener  <rguenther@suse.de>
3749
3750         * tree-vrp.c (get_single_symbol): Add assert that we don't
3751         get overflowed constants as invariant part.
3752         (compare_values_warnv): Add comment before the TREE_NO_WARNING
3753         checks.  Use wi::cmp instead of recursing for integer constants.
3754         (compare_values): Just ignore whether we assumed undefined
3755         overflow instead of failing the compare.
3756         (extract_range_for_var_from_comparison_expr): Add comment before the
3757         TREE_NO_WARNING sets.
3758         (test_for_singularity): Likewise.
3759         (extract_range_from_comparison): Do not disable optimization
3760         when we assumed undefined overflow.
3761         (extract_range_basic): Remove init of unused var.
3762
3763 2017-05-09  Richard Biener  <rguenther@suse.de>
3764
3765         * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
3766         (extract_range_from_multiplicative_op_1): Adjust.
3767         (extract_range_from_binary_expr_1): Use int_const_binop.
3768
3769 2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3770
3771         PR target/80101
3772         * config/rs6000/power6.md: Replace store_data_bypass_p calls with
3773         rs6000_store_data_bypass_p in seven define_bypass directives and
3774         in several comments.
3775         * config/rs6000/rs6000-protos.h: Add prototype for
3776         rs6000_store_data_bypass_p function.
3777         * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
3778         function implements slightly different (rs6000-specific) semantics
3779         than store_data_bypass_p, returning false rather than aborting
3780         with assertion error when arguments do not satisfy the
3781         requirements of store data bypass.
3782         (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
3783         rs6000_store_data_bypass_p.
3784
3785 2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
3786
3787         * config/xtensa/xtensa-protos.h
3788         (xtensa_initial_elimination_offset): New declaration.
3789         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
3790         New function. Move its body from the INITIAL_ELIMINATION_OFFSET
3791         macro definition, add case for FRAME_POINTER_REGNUM when
3792         FRAME_GROWS_DOWNWARD.
3793         * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
3794         (INITIAL_ELIMINATION_OFFSET): Replace body with call to
3795         xtensa_initial_elimination_offset.
3796
3797 2017-05-08  Nathan Sidwell  <nathan@acm.org>
3798
3799         * doc/invoke.texi: Alphabetize -fdump options.
3800
3801 2017-05-08  Martin Sebor  <msebor@redhat.com>
3802
3803         PR translation/80280
3804         * config/sol2-c.c (solaris_pragma_align): Correct quoting.
3805
3806 2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3807
3808         * target.def (compute_frame_layout): New optional target hook.
3809         * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
3810         * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
3811         * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
3812         target hook.
3813         * reload1.c (verify_initial_elim_offsets): Likewise.
3814         * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
3815         (use_simple_return_p): Call arm_compute_frame_layout if needed.
3816         (arm_get_frame_offsets): Split up into this ...
3817         (arm_compute_frame_layout): ... and this function.
3818
3819 2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>
3820
3821         * config/aarch64/constraints.md (Usa): New constraint.
3822         * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.
3823
3824 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3825
3826         * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
3827         with_multilib_list after it has been checked.
3828
3829 2017-05-08  Richard Biener  <rguenther@suse.de>
3830
3831         * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
3832         (bitmap_set_subtract_values): Likewise.
3833
3834 2017-05-08  Richard Biener  <rguenther@suse.de>
3835
3836         * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
3837         (gimple_assign_nonzero): ... this and remove strict_overflow_p
3838         argument.
3839         (gimple_stmt_nonzero_warnv_p): Rename to ...
3840         (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
3841         argument.
3842         (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
3843         (extract_range_basic): Adjust, do not disable propagation on
3844         strict overflow sensitive simplification.
3845         (vrp_visit_cond_stmt): Likewise.
3846
3847 2017-05-05  Jan Hubicka  <hubicka@ucw.cz>
3848
3849         * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
3850         body size unconditionally.
3851
3852 2017-05-07  Jeff Law  <law@redhat.com>
3853
3854         Revert:
3855         2017-05-06  Jeff Law  <law@redhat.com>
3856         PR tree-optimization/78496
3857         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
3858         code.
3859
3860         PR tree-optimization/78496
3861         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
3862         (simplify_stmt_using_ranges): Call it.
3863         (vrp_dom_walker::before_dom_children): Extract equivalences
3864         from an ASSERT_EXPR with an equality comparison against a
3865         constant.
3866
3867 2017-05-06  Jeff Law  <law@redhat.com>
3868
3869         PR tree-optimization/78496
3870         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
3871         code.
3872
3873         PR tree-optimization/78496
3874         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
3875         (simplify_stmt_using_ranges): Call it.
3876         (vrp_dom_walker::before_dom_children): Extract equivalences
3877         from an ASSERT_EXPR with an equality comparison against a
3878         constant.
3879
3880 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
3881
3882         * lra-constraints.c (lra_copy_reg_equiv): New function.
3883         (split_reg): Use it to copy equivalence information from the
3884         original register to the spill register.
3885
3886 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
3887
3888         PR rtl-optimization/75964
3889         * simplify-rtx.c (simplify_const_relational_operation): Remove
3890         invalid handling of comparisons of integer ABS.
3891
3892 2017-05-06  Uros Bizjak  <ubizjak@gmail.com>
3893
3894         * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
3895         initialize to zero.
3896         (init_regs): Remove declaration.
3897         (function_arg_advance_32): Initialize error_p as boolean variable.
3898
3899 2017-05-05  Nathan Sidwell  <nathan@acm.org>
3900
3901         * store-motion.c (remove_reachable_equiv_notes): Reformat long
3902         lines.  Use for (;;).
3903
3904 2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3905
3906         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
3907         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
3908         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
3909         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
3910         VF=2 that require versioning.
3911
3912 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3913
3914         * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
3915         int.
3916
3917 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3918
3919         * diagnostic.h (diagnostic_override_option_index): Convert from
3920         macro to inline function.
3921
3922 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3923
3924         * diagnostic.c (last_module_changed_p): New function.
3925         (set_last_module): New function.
3926         (diagnostic_report_current_module): Convert macro usage to
3927         the above functions.
3928         * diagnostic.h (diagnostic_context::last_module): Strengthen
3929         from const line_map * to const line_map_ordinary *.
3930         (diagnostic_last_module_changed): Delete macro.
3931         (diagnostic_set_last_module): Delete macro.
3932
3933 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3934
3935         * diagnostic.c (diagnostic_impl): Replace report_diagnostic
3936         with diagnostic_report_diagnostic.
3937         (diagnostic_n_impl_richloc): Likewise.
3938         * diagnostic.h (report_diagnostic): Delete macro.
3939         * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
3940         with diagnostic_report_diagnostic.
3941         * substring-locations.c (format_warning_va): Likewise.
3942
3943 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3944
3945         * diagnostic.c (diagnostic_report_diagnostic): Eliminate
3946         save/restor of format_spec.  Move option-printing code to...
3947         (print_option_information): ...this new function, and
3948         reimplement by simply printing to the pretty_printer,
3949         rather than appending to the format string.
3950
3951 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3952
3953         * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
3954         handling logic into...
3955         (update_effective_level_from_pragmas): ...this new function.
3956
3957 2017-05-04  Andrew Waterman  <andrew@sifive.com>
3958
3959         * config/riscv/riscv.opt (mstrict-align): New option.
3960         * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
3961         (SLOW_UNALIGNED_ACCESS): Define.
3962         (riscv_slow_unaligned_access): Declare.
3963         * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
3964         field.
3965         (riscv_slow_unaligned_access): New variable.
3966         (rocket_tune_info): Set slow_unaligned_access to true.
3967         (optimize_size_tune_info): Set slow_unaligned_access to false.
3968         (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
3969         (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
3970         (riscv_option_override): Set riscv_slow_unaligned_access.
3971         * doc/invoke.texi: Add -mstrict-align to RISC-V.
3972
3973 2017-05-04  Kito Cheng  <kito.cheng@gmail.com>
3974
3975         * config/riscv/riscv.md: Unify indentation.
3976
3977 2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
3978
3979         PR target/79038
3980         PR target/79202
3981         PR target/79203
3982         * config/rs6000/rs6000.md (u code attribute): Add FIX and
3983         UNSIGNED_FIX.
3984         (extendsi<mode>2): Add support for doing sign extension via
3985         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
3986         don't have ISA 3.0 instructions.
3987         (extendsi<mode>2 splitter): Likewise.
3988         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
3989         generate the normal insns since SImode can now go in vector
3990         registers.  Disallow the special UNSPECs needed for previous
3991         machines to hide SImode being used.  Add new insns
3992         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
3993         (fix_trunc<mode>si2_stfiwx): Likewise.
3994         (fix_trunc<mode>si2_internal): Likewise.
3995         (fixuns_trunc<mode>si2): Likewise.
3996         (fixuns_trunc<mode>si2_stfiwx): Likewise.
3997         (fctiw<u>z_<mode>_smallint): Likewise.
3998         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
3999         of floating point to 32-bit integer from doing a direct move to
4000         the GPR registers to do a store.
4001         (fctiwz_<mode>): Break long line.
4002
4003 2017-05-05  Bin Cheng  <bin.cheng@arm.com>
4004
4005         * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
4006         * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
4007         (addr_list, addr_offset_valid_p): New.
4008         (split_address_groups): Check offset validity with above function.
4009         (gt-tree-ssa-loop-ivopts.h): Include header file.
4010
4011 2017-05-05  Nathan Sidwell  <nathan@acm.org>
4012
4013         * config.gcc (arm*-*-*): Add missing 'fi'.
4014
4015 2017-05-05  Steve Ellcey  <sellcey@cavium.com>
4016
4017         * doc/invoke.texi (-fopt-info): Explicitly say order of options
4018         included in -fopt-info does not matter.
4019         * doc/optinfo.texi (-fopt-info): Fix description of default
4020         behavour. Explicitly say order of options included in -fopt-info
4021         does not matter.
4022
4023 2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4024
4025         * config.gcc: Allow combinations of aprofile and rmprofile values for
4026         --with-multilib-list.
4027         * config/arm/t-multilib: New file.
4028         * config/arm/t-aprofile: Remove initialization of MULTILIB_*
4029         variables.  Remove setting of ISA and floating-point ABI in
4030         MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
4031         MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
4032         and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
4033         matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
4034         CPU options.
4035         * config/arm/t-rmprofile: Likewise except for the matches changes.
4036         * doc/install.texi (--with-multilib-list): Document the combination of
4037         aprofile and rmprofile values and warn about pitfalls in doing that.
4038
4039 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
4040
4041         * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
4042         (movdi_aarch64): Likewise.
4043
4044 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
4045
4046         PR tree-optimization/80632
4047         * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
4048         field.
4049         (build_arrays): Initialize it for virtual phis.
4050         (fix_phi_nodes): Use it for virtual phis.
4051
4052         PR tree-optimization/80558
4053         * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
4054         [x, y] op z into [x op, y op z] for op & or | if conditions
4055         are met.
4056
4057 2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4058             Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
4059
4060         PR target/71607
4061         * config/arm/arm.md (use_literal_pool): Remove.
4062         (64-bit immediate split): No longer takes cost into consideration
4063         if arm_disable_literal_pool is enabled.
4064         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
4065         used when arm_disable_literal_pool is enabled.
4066         (arm_max_const_double_inline_cost): Remove use of
4067         arm_disable_literal_pool.
4068         (push_minipool_fix): Add assert.
4069         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
4070         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
4071         (no_literal_pool_sf_immediate): New.
4072
4073 2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4074
4075         PR tree-optimization/80613
4076         * tree-ssa-dce.c (propagate_necessity): Remove cases for
4077         BUILT_IN_STRDUP and BUILT_IN_STRNDUP.
4078
4079 2017-05-05  Richard Biener  <rguenther@suse.de>
4080
4081         * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.
4082
4083 2017-05-05  Georg-Johann Lay  <avr@gjlay.de>
4084
4085         * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
4086         of this flag from insn conditions due to removal from r247495.
4087
4088 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
4089
4090         * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
4091         New function.
4092         (arm_early_store_addr_dep_ptr): Likewise.
4093         * config/arm/aarch-common-protos.h
4094         (arm_early_load_addr_dep_ptr): Add prototype.
4095         (arm_early_store_addr_dep_ptr): Likewise.
4096         * config/arm/cortex-a53.md: Add new bypasses.
4097
4098 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
4099
4100         * tree.c (next_type_uid): Change type to unsigned.
4101         (type_hash_canon): Decrement back next_type_uid if
4102         freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
4103         also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
4104         if possible.
4105
4106 2017-05-04  Martin Sebor  <msebor@redhat.com>
4107
4108         * builtins.c: Fix a trivial typo in a comment.
4109
4110         PR middle-end/79234
4111         * builtins.c (check_sizes): Adjust to handle reading past the end.
4112         Avoid printing excessive upper bound of ranges.  Use %E to print
4113         tree nodes instead of converting them to %wu.
4114         (expand_builtin_memchr): New function.
4115         (compute_dest_size): Rename...
4116         (compute_objsize): ...to this.
4117         (expand_builtin_memcpy): Adjust.
4118         (expand_builtin_mempcpy): Adjust.
4119         (expand_builtin_strcat): Adjust.
4120         (expand_builtin_strcpy): Adjust.
4121         (check_strncat_sizes): Adjust.
4122         (expand_builtin_strncat): Adjust.
4123         (expand_builtin_strncpy): Adjust and simplify.
4124         (expand_builtin_memset): Adjust.
4125         (expand_builtin_bzero): Adjust.
4126         (expand_builtin_memcmp): Adjust.
4127         (expand_builtin): Handle memcmp.
4128         (maybe_emit_chk_warning): Check strncat just once.
4129
4130 2017-05-04  Martin Sebor  <msebor@redhat.com>
4131
4132         PR preprocessor/79214
4133         PR middle-end/79222
4134         PR middle-end/79223
4135         * builtins.c (check_sizes): Add inlining context and issue
4136         warnings even when -Wno-system-headers is set.
4137         (check_strncat_sizes): Same.
4138         (expand_builtin_strncat): Same.
4139         (expand_builtin_memmove): New function.
4140         (expand_builtin_stpncpy): Same.
4141         (expand_builtin): Handle memmove and stpncpy.
4142
4143 2017-05-04  Bin Cheng  <bin.cheng@arm.com>
4144
4145         * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
4146         which is not used any more.
4147
4148 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
4149
4150         * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.
4151
4152 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
4153
4154         * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
4155         (cortexa53_tunings): Likewise.
4156         (cortexa57_tunings): Likewise.
4157         (cortexa72_tunings): Likewise.
4158         (cortexa73_tunings): Likewise.
4159
4160 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
4161
4162         * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
4163         Set loop alignment to 8.
4164
4165 2017-05-04  Martin Sebor  <msebor@redhat.com>
4166
4167         PR translation/80280
4168         * builtins.c (expand_builtin_object_size): Add missing quoting to
4169         %D and like directives.
4170         * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
4171         (hsa_type_for_tree_type): Same.
4172         (verify_function_arguments): Same.
4173         * symtab.c (symbol_table::change_decl_assembler_name): Same.
4174         * varasm.c (get_section): Same.
4175         (mark_weak): Same.
4176
4177 2017-05-04  Martin Sebor  <msebor@redhat.com>
4178
4179         PR translation/80280
4180         * config/i386/i386.c (ix86_function_versions): Quote a %D directive.
4181
4182 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
4183
4184         * config/aarch64/aarch64.c (generic_addrcost_table):
4185         Change HI/TI mode setting.
4186
4187 2017-05-04  Martin Jambor  <mjambor@suse.cz>
4188
4189         PR tree-optimization/80622
4190         * tree-sra.c (comes_initialized_p): New function.
4191         (build_accesses_from_assign): Only set write lazily when
4192         comes_initialized_p is false.
4193         (analyze_access_subtree): Use comes_initialized_p.
4194         (propagate_subaccesses_across_link): Assert !comes_initialized_p
4195         instead of testing for PARM_DECL.
4196
4197 2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4198
4199         * config/aarch64/aarch64.md (prefetch); Adjust predicate and
4200         constraint on operand 0 to allow more general addressing modes.
4201         Adjust output template.
4202         * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
4203         New function.
4204         * config/aarch64/aarch64-protos.h
4205         (aarch64_address_valid_for_prefetch_p): Declare prototype.
4206         * config/aarch64/constraints.md (Dp): New address constraint.
4207         * config/aarch64/predicates.md (aarch64_prefetch_operand): New
4208         predicate.
4209
4210 2017-05-04  Jan Hubicka  <hubicka@ucw.cz>
4211
4212         * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
4213         update use of estimate_ipcp_clone_size_and_time.
4214         (estimate_local_effects): Update use of
4215         estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
4216         * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
4217         * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
4218         Return nonspecialized time.
4219
4220 2017-05-04  Richard Biener  <rguenther@suse.de>
4221
4222         * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
4223         for the last VUSE which def dominates the PHI.  Directly call
4224         maybe_skip_until.
4225         (get_continuation_for_phi_1): Remove.
4226
4227 2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>
4228
4229         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
4230         to explain the use of truncating division.  Cap the number of
4231         iterations to the maximum given by nb_iterations_upper_bound,
4232         if defined.
4233
4234 2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4235
4236         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
4237         * configure: Regenerate.
4238         * config.in: Regenerate.
4239         * config/i386/driver-mingw32.c: new file.
4240         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
4241         * config.host: Link driver-mingw32.o on MinGW host.
4242         * doc/install.texi: Document new --enable-mingw-wildcard configure
4243         option.
4244
4245 2017-05-04  Marek Polacek  <polacek@redhat.com>
4246
4247         PR tree-optimization/80612
4248         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
4249
4250 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
4251             Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
4252
4253         * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
4254         (movt splitter): Likewise.
4255         * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
4256         to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
4257         (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
4258         block for Thumb-1 with MOVT.
4259         (thumb2_legitimate_address_p): Move code block ...
4260         (can_avoid_literal_pool_for_label_p): ... into this new function.
4261         (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
4262         literal pool.
4263         (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
4264         * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
4265         "M-profile targets with the MOVT instruction".
4266
4267 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
4268
4269         * gcc/config/arm/arm-builtins.c (arm_init_builtins): Rename
4270         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
4271         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
4272
4273 2017-05-04  Martin Liska  <mliska@suse.cz>
4274
4275         * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
4276         variable cond_code.
4277
4278 2017-05-04  Richard Biener  <rguenther@suse.de>
4279
4280         * tree.c (array_at_struct_end_p): Handle arrays at struct
4281         end with flexarrays more conservatively.  Refactor and treat
4282         arrays of arrays or aggregates more strict.  Fix
4283         VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
4284         * tree.c (array_at_struct_end_p): Adjust prototype.
4285         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
4286         * gimple-fold.c (get_range_strlen): Likewise.
4287         * tree-chkp.c (chkp_may_narrow_to_field): Likewise.
4288
4289 2017-05-04  Richard Biener  <rguenther@suse.de>
4290
4291         PR tree-optimization/31130
4292         * tree-vrp.c (needs_overflow_infinity): Remove as always returning
4293         false.
4294         (supports_overflow_infinity): Likewise.
4295         (is_negative_overflow_infinity): Likewise.
4296         (is_positive_overflow_infinity): Likewise.
4297         (is_overflow_infinity): Likewise.
4298         (stmt_overflow_infinity): Likewise.
4299         (overflow_infinity_range_p): Likewise.
4300         (usable_range_p): Remove as always returning true.
4301         (make_overflow_infinity): Remove.
4302         (negative_overflow_infinity): Likewise.
4303         (positive_overflow_infinity): Likewise.
4304         (avoid_overflow_infinity): Likewise.
4305         (set_value_range): Adjust accordingly.
4306         (set_value_range_to_nonnegative): Likewise, remove now unused
4307         overflow_infinity arg.
4308         (vrp_operand_equal_p): Adjust.
4309         (update_value_range): Likewise.
4310         (range_int_cst_singleton_p): Likewise.
4311         (operand_less_p): Likewise.
4312         (compare_values_warnv): Likewise.
4313         (extract_range_for_var_from_comparison_expr): Likewise.
4314         (vrp_int_const_binop): Likewise.
4315         (zero_nonzero_bits_from_vr): Likewise.
4316         (extract_range_from_multiplicative_op_1): Likewise.
4317         (extract_range_from_binary_expr_1): Likewise.
4318         (extract_range_from_unary_expr): Likewise.
4319         (extract_range_from_comparison): Likewise.
4320         (extract_range_basic): Likewise.
4321         (adjust_range_with_scev): Likewise.
4322         (compare_ranges): Likewise.
4323         (compare_range_with_value): Likewise.
4324         (dump_value_range): Likewise.
4325         (test_for_singularity): Likewise, remove strict_overflow_p parameter
4326         never used.
4327         (simplify_cond_using_ranges): Adjust.
4328
4329 2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
4330
4331         * brig-builtins.def: Added a builtin for class_f64.
4332         * builtin-types.def: Added a builtin type needed by class_f64.
4333
4334 2017-05-03  Jason Merrill  <jason@redhat.com>
4335
4336         * timevar.def: Add TV_CONSTEXPR.
4337
4338 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
4339
4340         * common.opt (fdiagnostics-parseable-fixits): Fix typo.
4341
4342 2017-05-03  Martin Jambor  <mjambor@suse.cz>
4343
4344         * ipa-prop.c (ipa_update_after_lto_read): Removed.
4345         * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
4346         * ipa-cp.c (ipcp_propagate_stage): Do not call
4347         ipa_update_after_lto_read.
4348         * ipa-inline.c (ipa_inline): Likewise.
4349
4350 2017-05-03  Martin Jambor  <mjambor@suse.cz>
4351
4352         * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
4353         tag.  Added a default constructor and a destructor.
4354         (ipa_edge_args_sum_t): New class;
4355         (ipa_edge_args_sum): Declare.
4356         (ipa_edge_args_vector): Remove declaration.
4357         (IPA_EDGE_REF): Use ipa_edge_args_sum.
4358         (ipa_free_edge_args_substructures): Remove declaration.
4359         (ipa_check_create_edge_args): Use ipa_edge_args_sum.
4360         (ipa_edge_args_info_available_for_edge_p): Likewise.
4361         * ipa-prop.c (ipa_edge_args_vector): Removed.
4362         (edge_removal_hook_holder): Likewise.
4363         (edge_duplication_hook_holder): Likewise.
4364         (ipa_edge_args_sum): New variable.
4365         (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
4366         ipa_edge_args_vector.
4367         (ipa_free_edge_args_substructures): Likewise.
4368         (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
4369         ipa_edge_args_vector.
4370         (ipa_edge_removal_hook): Turned into method
4371         ipa_edge_args_sum_t::remove.
4372         (ipa_edge_duplication_hook): Turned into method
4373         ipa_edge_args_sum_t::duplicate.
4374         (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
4375         registering edge hooks.
4376         (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
4377         * ipa-inline-analysis.c (estimate_function_body_sizes): Test
4378         ipa_edge_args_sum instead of ipa_edge_args_vector.
4379         * ipa-profile.c (ipa_profile): Likewise.
4380
4381 2017-05-03  Martin Jambor  <mjambor@suse.cz>
4382
4383         * symbol-summary.h (function_summary): New method exists.
4384         (function_summary::symtab_removal): Deallocate through release.
4385         (call_summary): New class.
4386         (gt_ggc_mx): New overload.
4387         (gt_pch_nx): Likewise.
4388         (gt_pch_nx): Likewise.
4389
4390 2017-05-03  Jeff Law  <law@redhat.com>
4391
4392         PR tree-optimization/78496
4393         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
4394         from simplify_cond_using_ranges.  Split off code to walk
4395         backwards through casts into ...
4396         (simplify_cond_using_ranges_2): New function.
4397         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
4398         (execute_vrp): After identifying jump threads, call
4399         simplify_cond_using_ranges_2.
4400
4401 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
4402
4403         PR bootstrap/80609
4404         * ipa-inline.h (inline_summary): Add ctor.
4405         (create_ggc): Do not use ggc_cleared_alloc.
4406
4407 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
4408             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4409
4410         * gcc.c (handle_braces): Support escaping in switch matching
4411         text.
4412         * doc/invoke.texi (Spec Files): Document it.
4413         Remove superfluous @code markup in items.
4414
4415 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
4416
4417         * diagnostic-show-locus.c (struct column_range): New struct.
4418         (get_affected_columns): New function.
4419         (get_printed_columns): New function.
4420         (struct correction): New struct.
4421         (correction::ensure_capacity): New function.
4422         (correction::ensure_terminated): New function.
4423         (struct line_corrections): New struct.
4424         (line_corrections::~line_corrections): New dtor.
4425         (line_corrections::add_hint): New function.
4426         (layout::print_trailing_fixits): Reimplement in terms of the new
4427         classes.
4428         (selftest::test_overlapped_fixit_printing): New function.
4429         (selftest::diagnostic_show_locus_c_tests): Call it.
4430
4431 2017-05-03  Nathan Sidwell  <nathan@acm.org>
4432
4433         Canonicalize canonical type hashing
4434         * tree.h (type_hash_canon_hash): Declare.
4435         * tree.c (type_hash_list, attribute_hash_list): Move into
4436         type_hash_canon_hash.
4437         (build_type_attribute_qual_variant): Break out hash code calc into
4438         type_hash_canon_hash.
4439         (type_hash_canon_hash): New.  Generic type hash computation.
4440         (build_range_type_1, build_array_type_1, build_function_type,
4441         build_method_type_directly, build_offset_type, build_complex_type,
4442         make_vector_type): Call it.
4443
4444 2017-05-03  Richard Biener  <rguenther@suse.de>
4445
4446         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
4447         When all DRs have unknown misaligned do not always peel
4448         when there is a store but apply the same costing model as if
4449         there were only loads.
4450
4451 2017-05-03  Richard Biener  <rguenther@suse.de>
4452
4453         Revert
4454         PR tree-optimization/80492
4455         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
4456         compare_base_decls returning dont-know properly.
4457
4458 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4459
4460         * config/arm/iterators.md (CCSI): New mode iterator.
4461         (arch): New mode attribute.
4462         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
4463         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
4464         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
4465         code iterator for success result mode.
4466         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
4467         the corresponding new insn generators.
4468
4469 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
4470
4471         Revert r247509
4472         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4473         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
4474
4475 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
4476
4477         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
4478         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
4479         (DDR_A): Wrap DDR argument in brackets.
4480         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
4481         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
4482         (DDR_REVERSED_P): Likewise.
4483
4484 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
4485
4486         PR tree-optimization/79472
4487         * tree-switch-conversion.c (struct switch_conv_info): Add
4488         contiguous_range and default_case_nonstandard fields.
4489         (collect_switch_conv_info): Compute contiguous_range and
4490         default_case_nonstandard fields, don't clear final_bb if
4491         contiguous_range and only the default case doesn't have the required
4492         structure.
4493         (check_all_empty_except_final): Set default_case_nonstandard instead
4494         of failing if contiguous_range and the default case doesn't have empty
4495         block.
4496         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
4497         and only the default case doesn't have the required constants.  Skip
4498         virtual phis.
4499         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
4500         if default_case_nonstandard.
4501         (build_constructors): Build constant 1 just once.  Assert that default
4502         values aren't inserted in between cases if contiguous_range.  Skip
4503         virtual phis.
4504         (build_arrays): Skip virtual phis.
4505         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
4506         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
4507         Handle virtual phis.
4508         (gen_inbound_check): Handle default_case_nonstandard case.
4509         (process_switch): Adjust check_final_bb caller.  Call
4510         gather_default_values with the first non-default case instead of
4511         default case if default_case_nonstandard.
4512
4513 2017-05-02  Nathan Sidwell  <nathan@acm.org>
4514
4515         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
4516         check.  Fix formatting.
4517
4518 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
4519
4520         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
4521         errors when comparing specialized and unspecialized times.
4522
4523 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
4524
4525         * diagnostic-show-locus.c
4526         (layout::should_print_annotation_line_p): Make private.
4527         (layout::print_annotation_line): Make private.
4528         (layout::annotation_line_showed_range_p): Make private.
4529         (layout::show_ruler): Make private.
4530         (layout::print_source_line): Make private.  Pass in line and
4531         line_width, rather than calling location_get_source_line.  Drop
4532         returned value.
4533         (layout::print_leading_fixits): New method.
4534         (layout::print_any_fixits): Rename to...
4535         (layout::print_trailing_fixits): ...this, and make private.
4536         Don't print newline fixits.
4537         (diagnostic_show_locus): Move logic for printing one row into...
4538         (layout::print_line): ...this new function.  Move the
4539         location_get_source_line call and error-handling from
4540         print_source_line to here.  Call print_leading_fixits, and rename
4541         print_any_fixits to print_trailing_fixits.
4542         (selftest::test_fixit_insert_containing_newline): Update now that
4543         newlines are partially supported.
4544         (selftest::test_fixit_insert_containing_newline_2): New test.
4545         (selftest::test_fixit_replace_containing_newline): Update comments.
4546         (selftest::diagnostic_show_locus_c_tests): Call the new test.
4547         * edit-context.c (class added_line): New class.
4548         (class edited_line): Describe newline handling in comment.
4549         (edited_line::actually_edited_p): New method.
4550         (edited_line::print_content): Delete redundant decl.
4551         (edited_line::m_predecessors): New field.
4552         (edited_file::print_content): Call edited_line::print_content.
4553         (edited_file::print_diff): Update to support newlines.
4554         (edited_file::print_diff_hunk): Likewise.
4555         (edited_file::print_run_of_changed_lines): New function.
4556         (edited_file::print_diff_line): Convert to...
4557         (print_diff_line): ...this.
4558         (edited_file::get_effective_line_count): New function.
4559         (edited_line::edited_line): Initialize new field m_predecessors.
4560         (edited_line::~edited_line): Clean up m_predecessors.
4561         (edited_line::apply_fixit): Handle newlines.
4562         (edited_line::get_effective_line_count): New function.
4563         (edited_line::print_content): New function.
4564         (edited_line::print_diff_lines): New function.
4565         (selftest::test_applying_fixits_insert_containing_newline): New
4566         test.
4567         (selftest::test_applying_fixits_replace_containing_newline): New
4568         test.
4569         (selftest::insert_line): New function.
4570         (selftest::test_applying_fixits_multiple_lines): Add example of
4571         inserting a line.
4572         (selftest::edit_context_c_tests): Call the new tests.
4573
4574 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4575
4576         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
4577         parameter cand.  Update dump information.
4578         (get_computation_cost): Update uses.
4579
4580 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4581
4582         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
4583         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
4584         (get_computation_at, rewrite_use_address): Update use of
4585         get_computation_aff.
4586
4587 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4588
4589         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
4590         (get_computation): Delete.
4591         (get_computation_cost): Implement like get_computation_cost_at.
4592         Use get_computation_at.
4593         (get_computation_cost_at): Delete.
4594         (rewrite_use_nonlinear_expr): Use get_computation_at.
4595         (rewrite_use_compare, remove_unused_ivs): Ditto.
4596
4597 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4598
4599         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
4600
4601 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4602
4603         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
4604         (ivopts_global_cost_for_size): Rename parameter and update uses.
4605         (iv_ca_recount_cost): Update uses.
4606         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
4607         candidates seperately in n_invs and n_cands.
4608         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
4609
4610 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4611
4612         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
4613         (find_inv_vars_cb): New.
4614         (find_depends): Renamed to ...
4615         (find_inv_vars): ... this.
4616         (add_candidate_1, force_var_cost): Call find_inv_vars.
4617         (split_address_cost, determine_group_iv_cost_cond): Ditto.
4618
4619 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4620
4621         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
4622         inv_vars.  Add inv_exprs.
4623         (struct iv_cand): Rename depends_on to inv_vars.
4624         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
4625         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
4626         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
4627         (dump_cand): Dump inv_vars.
4628         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
4629         (record_invariant, find_depends, add_candidate_1): Ditto.
4630         (set_group_iv_cost, force_var_cost): Ditto.
4631         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
4632         (get_computation_cost_at, get_computation_cost): Ditto.
4633         (determine_group_iv_cost_generic): Ditto.
4634         (determine_group_iv_cost_address): Ditto.
4635         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
4636         (determine_group_iv_costs): Ditto.
4637         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
4638         (iv_ca_set_remove_invariants): Renamed to ...
4639         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
4640         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
4641         (iv_ca_set_add_invariants):  Renamed to ...
4642         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
4643         (iv_ca_set_cp): Use iv_ca_set_add_invs.
4644         (iv_ca_has_deps): Support inv_vars and inv_exprs.
4645         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
4646         (create_new_ivs): Remove useless dump.
4647
4648 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4649
4650         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
4651         iv_cand code.
4652         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
4653         (iv_ca_set_no_cp, create_new_iv): Ditto.
4654
4655 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4656
4657         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
4658
4659 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
4660
4661         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
4662         function tree_check2.
4663
4664 2017-05-02  Martin Liska  <mliska@suse.cz>
4665
4666         * doc/gcov.texi: Add missing preposition.
4667         * gcov.c (function_info::function_info): Properly fill up
4668         all member variables.
4669
4670 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
4671
4672         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
4673
4674 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
4675
4676         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
4677
4678 2017-05-02  Martin Liska  <mliska@suse.cz>
4679
4680         PR lto/77954.
4681         * lto-streamer-in.c (lto_read_tree_1): Remove
4682         LTO_STREAMER_DEBUG.
4683         * lto-streamer.c (struct tree_hash_entry): Likewise.
4684         (struct tree_entry_hasher): Likewise.
4685         (tree_entry_hasher::hash): Likewise.
4686         (tree_entry_hasher::equal): Likewise.
4687         (lto_streamer_init): Likewise.
4688         (lto_orig_address_map): Likewise.
4689         (lto_orig_address_get): Likewise.
4690         (lto_orig_address_remove): Likewise.
4691         * lto-streamer.h: Likewise.
4692         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
4693         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
4694
4695 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
4696
4697         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
4698         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
4699         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
4700         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
4701         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
4702         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
4703         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
4704         (mm_maskz_sub_ss): New intrinsics.
4705         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
4706         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
4707         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
4708         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
4709         (__builtin_ia32_subss_mask_round): New builtins.
4710         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
4711         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
4712         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
4713         Renamed to ...
4714         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
4715         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
4716         Changed to ...
4717         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
4718         ... this.
4719
4720 2017-05-02  Martin Jambor  <mjambor@suse.cz>
4721
4722         PR tree-optimization/78687
4723         * tree-sra.c (access): New field parent.
4724         (process_subtree_disqualification): New function.
4725         (disqualify_candidate): Call it.
4726         (build_accesses_from_assign): Reset write flag if creating an
4727         assighnment link.
4728         (build_access_subtree): Fill in parent field and also prpagate
4729         down grp_write flag.
4730         (create_artificial_child_access): New parameter set_grp_write, set
4731         grp_write to its value.
4732         (propagate_subaccesses_across_link): Also propagate grp_write flag
4733         values.
4734         (propagate_all_subaccesses): Push the closest parent back to work
4735         queue if add_access_to_work_queue returned true.
4736
4737 2017-05-02  Richard Biener  <rguenther@suse.de>
4738
4739         * common.opt (fstrict-overflow): Alias negative to fwrapv.
4740         * doc/invoke.texi (fstrict-overflow): Remove all traces of
4741         -fstrict-overflow documentation.
4742         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
4743         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
4744         flag_strict_overflow.
4745         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
4746         * lto-opts.c (lto_write_options): Do not stream it.
4747         * lto-wrapper.c (merge_and_complain): Do not handle it.
4748         * opts.c (default_options_table): Do not set -fstrict-overflow.
4749         (finish_options): Likewise do not clear it when sanitizing.
4750         * simplify-rtx.c (simplify_const_relational_operation): Do not
4751         test flag_strict_overflow.
4752
4753 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
4754
4755         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
4756         using enabled attribute.
4757         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
4758         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
4759         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
4760         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
4761         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
4762         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
4763         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
4764         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
4765         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
4766         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
4767
4768 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
4769
4770         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
4771
4772 2017-05-02  Richard Biener  <rguenther@suse.de>
4773
4774         PR tree-optimization/80591
4775         Revert
4776         2017-04-10  Richard Biener  <rguenther@suse.de>
4777
4778         * tree-ssa-structalias.c (find_func_aliases): Properly handle
4779         asm inputs.
4780
4781 2017-05-02  Richard Biener  <rguenther@suse.de>
4782
4783         PR tree-optimization/80549
4784         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
4785         (cleanup_tree_cfg_noloop): Create forwarders to known loop
4786         headers if they do not have a preheader.
4787
4788 2017-05-02  Martin Liska  <mliska@suse.cz>
4789
4790         PR other/80589
4791         * common.opt: Fix typo.
4792         * doc/invoke.texi: Likewise.
4793
4794 2017-05-01  Jan Beulich  <jbeulich@suse.com>
4795
4796         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
4797         swapping, add (x,x,m,x,n) alternative.
4798
4799 2017-05-01  Nathan Sidwell  <nathan@acm.org>
4800
4801         * calls.c (combine_pending_stack_adjustment_and_call): Remove
4802         unnecessary unadjusted_alignment check.
4803
4804 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
4805
4806         PR c++/80038
4807         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
4808         operations here.
4809         * gimplify.c (gimplify_cilk_detach): New function.
4810         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
4811         * tree-core.h: Document EXPR_CILK_SPAWN.
4812         * tree.h (EXPR_CILK_SPAWN): Define.
4813
4814 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
4815
4816         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
4817         to use new fixit_hint representation, using the "replace" logic.
4818         (get_line_span_for_fixit_hint): Likewise.
4819         (layout::print_any_fixits): Likewise.
4820         (selftest::test_one_liner_many_fixits): Rename to...
4821         (selftest::test_one_liner_many_fixits_1): ...this, and update
4822         comment and expected output to reflect that the multiple fix-it
4823         hints are now consolidated into one insertion.
4824         (selftest::test_one_liner_many_fixits_2): New test.
4825         (selftest::test_diagnostic_show_locus_one_liner): Update for
4826         above.
4827         (selftest::test_fixit_consolidation): Update for fix-it API
4828         change.
4829         * diagnostic.c (print_parseable_fixits): Likewise.
4830         * edit-context.c (edited_line::m_line_events): Convert from
4831         auto_vec <line_event *> to auto_vec <line_event>.
4832         (class line_event): Convert from abstract base class to a concrete
4833         class, taking over the role of replace_event.
4834         (class insert_event): Delete.
4835         (class replace_event): Rename to class line_event.  Convert to
4836         half-open range.
4837         (edit_context::add_fixits): Reimplement.
4838         (edit_context::apply_insert): Delete.
4839         (edit_context::apply_replace): Rename to...
4840         (edit_context::apply_fixit): ...this.  Convert to half-open range.
4841         (edited_file::apply_insert): Delete.
4842         (edited_file::apply_replace): Rename to...
4843         (edited_file::apply_fixit): ...this.
4844         (edited_line::~edited_line): Drop deletion of events.
4845         (edited_line::apply_insert): Delete.
4846         (edited_line::apply_replace): Rename to...
4847         (edited_line::apply_fixit): ...this.  Convert to half-open range.
4848         Update for change to type of m_line_events.
4849         * edit-context.h (edit_context::apply_insert): Delete.
4850         (edit_context::apply_replace): Rename to...
4851         (edit_context::apply_fixit): ...this.
4852
4853 2017-05-01  Martin Sebor  <msebor@redhat.com>
4854
4855         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
4856         known.
4857
4858 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
4859
4860         PR target/68491
4861         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
4862         __get_cpuid_max returns 0.
4863         (__get_cpuid_count): Ditto.
4864
4865 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
4866
4867         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
4868         replacement expression is another instance of one of its arguments.
4869
4870 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
4871
4872         PR target/79430
4873         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
4874         check for stack push/pop autoinc.
4875         * config/i386/i386.c (ix86_agi_dependent): Return false
4876         if the only reason why modified_in_p returned true is that
4877         addr is SP based and set_insn is a push or pop.
4878
4879 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
4880
4881         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
4882         overflow check.
4883
4884 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
4885
4886         PR ipa/79224
4887         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
4888         (account_size_time): Use two predicates - exec_pred and
4889         nonconst_pred_ptr.
4890         (evaluate_conditions_for_known_args): Compute both clause and
4891         nonspec_clause.
4892         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
4893         (inline_summary_t::duplicate): Update.
4894         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
4895         separately.
4896         (compute_inline_parameters): Likewise.
4897         (estimate_edge_size_and_time): Update caluclation of time.
4898         (estimate_node_size_and_time): Compute both time and nonspecialized
4899         time.
4900         (estimate_ipcp_clone_size_and_time): Update.
4901         (inline_merge_summary): Update.
4902         (do_estimate_edge_time): Update.
4903         (do_estimate_edge_size): Update.
4904         (do_estimate_edge_hints): Update.
4905         (inline_read_section, inline_write_summary): Stream both new predicates.
4906         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
4907         as argument.
4908         (compute_inlined_call_time): Cleanup.
4909         (big_speedup_p): Update.
4910         (edge_badness): Update.
4911         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
4912         (size_time_entry): Replace predicate by exec_predicate and
4913         nonconst_predicate.
4914         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
4915         (estimate_edge_time): Return also nonspec_time.
4916         (reset_edge_growth_cache): Update.
4917
4918 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
4919
4920         PR rtl-optimization/80491
4921         * ifcvt.c (noce_process_if_block): When looking for x setter
4922         with missing else_bb, don't check only the insn right before
4923         cond_earliest, but look for the last insn that x is modified in
4924         within the same bb.
4925
4926         PR rtl-optimization/80491
4927         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
4928
4929 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
4930
4931         PR tree-optimization/80487
4932         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
4933
4934 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4935
4936         PR tree-optimization/79697
4937         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
4938         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
4939         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
4940         BUILT_IN_STRNDUP.
4941         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
4942         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
4943
4944 2017-04-28  Martin Sebor  <msebor@redhat.com>
4945
4946         PR tree-optimization/80523
4947         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
4948         (init_target_to_host_charmap, target_to_host, target_strtol10): New
4949         functions.
4950         (maybe_warn, format_directive, parse_directive): Use new functions.
4951         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
4952
4953 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
4954
4955         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
4956
4957 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4958
4959         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
4960         target_header_dir): Set correctly.
4961         * configure: Regenerated.
4962         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
4963         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
4964         instead of SYSTEM_HEADER_DIR.
4965
4966 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
4967
4968         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
4969         (estimate_local_effects): Likewise.
4970         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
4971         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
4972         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
4973         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
4974         do_estimate_edge_time, estimate_edge_time): Likewise.
4975         * ipa-inline-analysis.c (estimate_node_size_and_time,
4976         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
4977         (estimate_time_after_inlining): Remove.
4978
4979 2017-04-28  Martin Liska  <mliska@suse.cz>
4980
4981         * doc/gcov.texi: Enhance documentation of gcov.
4982
4983 2017-04-28  Martin Liska  <mliska@suse.cz>
4984
4985         * doc/gcov.texi: Sort options in alphabetic order.
4986         * doc/gcov-dump.texi: Likewise.
4987         * doc/gcov-tool.texi: Likewise.
4988         * gcov.c (print_usage): Likewise.
4989         * gcov-dump.c (print_usage): Likewise.
4990         * gcov-tool.c (print_merge_usage_message): Likewise.
4991         (print_rewrite_usage_message): Likewise.
4992         (print_overlap_usage_message): Likewise.
4993
4994 2017-04-28  Martin Liska  <mliska@suse.cz>
4995
4996         PR gcov-profile/53915
4997         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
4998
4999 2017-04-28  Martin Liska  <mliska@suse.cz>
5000
5001         PR gcov-profile/79891
5002         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
5003         is marked by compiler as living on a line.
5004         (get_cycles_count): Remove usage of the union.
5005         (output_intermediate_file): Likewise.
5006         (find_source): Fix GNU coding style.
5007         (accumulate_line_counts): Remove old non-all block mode.
5008         (output_lines): Remove usage of the union.
5009         * profile.c (output_location): Include all BBs, even if
5010         belonging to a same line (and file) as a previous BB.
5011
5012 2017-04-28  Martin Liska  <mliska@suse.cz>
5013
5014         * gcov.c (process_args): Handle new argument 'w'.
5015         (read_graph_file): Assign ID to BBs.
5016         (output_branch_count): Display BB # if verbose flag is set.
5017         (output_lines): Likewise for arcs.
5018         (print_usage): Add '--verbose' option help.
5019         * doc/gcov.texi: Document --verbose (-w) option.
5020
5021 2017-04-28  Martin Liska  <mliska@suse.cz>
5022
5023         * gcov.c (struct block_location_info): New struct.
5024         (process_file): Fill up the new structure.
5025         (read_graph_file): Replace usage of encoding by the newly added
5026         struct.
5027         (add_line_counts): Likewise.
5028         (accumulate_line_counts): Remove usage of the union.
5029         (function_info::function_info): New function.
5030         (function_info::~function_info): Likewise.
5031         (process_file): Call delete instead of release_function.
5032         (release_function): Release the function.
5033         (release_structures): Call delete instead of release_function.
5034         (solve_flow_graph): Replace usage of num_blocks.
5035         (find_exception_blocks): Likewise.
5036         (output_lines): Fix GNU coding style.
5037
5038 2017-04-28  Martin Liska  <mliska@suse.cz>
5039
5040         PR driver/56469
5041         * coverage.c (coverage_remove_note_file): New function.
5042         * coverage.h: Declare the function.
5043         * toplev.c (finalize): Clean if an error has been seen.
5044
5045 2017-04-28  Martin Liska  <mliska@suse.cz>
5046
5047         PR gcov-profile/80031
5048         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
5049         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
5050         * gcov.c (read_graph_file): Read just number of blocks.
5051         * profile.c (branch_prob): Do not stream 0 flags per a basic
5052         block.
5053
5054 2017-04-28  Martin Liska  <mliska@suse.cz>
5055
5056         * gcov-dump.c (tag_*): Add new argument to declarations.
5057         (dump_gcov_file): Likewise.
5058         (tag_blocks): Add and use new argument depth.
5059         (tag_arcs): Likewise.
5060         (tag_lines): Likewise.
5061         (tag_counters): Likewise.
5062         (tag_summary): Likewise.
5063         (dump_working_sets): Use depth to do a proper indentation.
5064
5065 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
5066
5067         PR bootstrap/80531
5068         * cgraph.h (symtab_node::debug_symtab): No longer inline.
5069         * symtab.c (symtab_node::debug_symtab): Move definition here.
5070
5071 2017-04-28  Richard Biener  <rguenther@suse.de>
5072
5073         * lto-streamer.h (LTO_major_version): Bump to 7.
5074
5075 2017-04-28  Richard Biener  <rguenther@suse.de>
5076
5077         * tree-vrp.c (assert_info): New struct.
5078         (add_assert_info): New helper.
5079         (register_edge_assert_for_2): Refactor to add asserts to a vector
5080         of assert_info.
5081         (register_edge_assert_for_1): Likewise.
5082         (register_edge_assert_for): Likewise.
5083         (finish_register_edge_assert_for): New helper actually registering
5084         asserts where live on edge.
5085         (find_conditional_asserts): Adjust.
5086         (find_switch_asserts): Likewise.
5087         (evrp_dom_walker::try_find_new_range): Generalize.
5088         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
5089
5090 2017-04-27  Marek Polacek  <polacek@redhat.com>
5091
5092         PR sanitizer/80349
5093         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
5094         arg10 and arg11 to itype.
5095
5096 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
5097
5098         * doc/extend.texi (Object Size Checking): Improve grammar.
5099
5100 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
5101
5102         PR target/80530
5103         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
5104         that the logic for permitting reciprocal estimates matches that
5105         in use_rsqrt_p.
5106
5107 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
5108
5109         PR c++/80534
5110         * tree.c (type_cache_hasher::equal): Only compare
5111         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
5112         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
5113         non-aggregate element types.
5114         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
5115         about the flag on ARRAY_TYPEs in the comment, formatting fix.
5116
5117 2017-04-27  Richard Biener  <rguenther@suse.de>
5118
5119         PR middle-end/80533
5120         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
5121         stripping ARRAY_REFs from MEM_EXPR make sure we're not
5122         keeping a reference to a trailing array.
5123
5124 2017-04-27  Richard Biener  <rguenther@suse.de>
5125
5126         PR middle-end/80539
5127         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
5128         being in loop-closed SSA form conservatively.
5129         (chrec_fold_multiply_poly_poly): Likewise.
5130
5131 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
5132
5133         PR middle-end/79665
5134         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
5135         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
5136
5137 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
5138
5139         PR target/77728
5140         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
5141         (aarch64_function_arg_alignment): Return unsigned int again, but still
5142         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
5143         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
5144         Don't emit -Wpsabi note.
5145         (aarch64_function_arg_boundary): Likewise.
5146         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
5147         caller.
5148
5149 2017-04-26  Nathan Sidwell  <nathan@acm.org>
5150
5151         * tree.h (crc32_unsigned_n): Declare.
5152         (crc32_unsigned, crc32_unsigned): Make inline.
5153         * tree.c (crc32_unsigned_bits): Replace with ...
5154         (crc32_unsigned_n): ... this.
5155         (crc32_unsigned, crc32_byte): Remove.
5156         (crc32_string): Remove unnecessary braces.
5157
5158 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
5159
5160         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
5161         * ipa-inline-analysis.c (MAX_TIME): Remove.
5162         (account_size_time): Use sreal for time.
5163         (dump_inline_summary): Update.
5164         (estimate_function_body_sizes): Update.
5165         (estimate_edge_size_and_time): Update.
5166         (estimate_calls_size_and_time): Update.
5167         (estimate_node_size_and_time): Update.
5168         (inline_merge_summary): Update.
5169         (inline_update_overall_summary): Update.
5170         (estimate_time_after_inlining): Update.
5171         (inline_read_section): Update.
5172         (inline_write_summary): Update.
5173         * ipa-inline.c (compute_uninlined_call_time): Update.
5174         (compute_inlined_call_time): Update.
5175         (recursive_inlining): Update.
5176         (inline_small_functions): Update.
5177         (dump_overall_stats): Update.
5178         * ipa-inline.h: Include sreal.h.
5179         (size_time_entry): Turn time to sreal.
5180         (inline_summary): Turn self_time nad time to sreal.
5181
5182 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
5183
5184         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
5185         data-streamer.h
5186         (sreal::stream_out, sreal::stream_in): New.
5187         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
5188
5189 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
5190
5191         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
5192         environment.
5193
5194 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
5195
5196         PR target/70799
5197         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
5198         Handle ASHIFTRT.
5199         (dimode_scalar_chain::compute_convert_gain): Ditto.
5200         (dimode_scalar_chain::make_vector_copies): Ditto.
5201         (dimode_scalar_chain::convert_reg): Ditto.
5202         (dimode_scalar_chain::convert_insn): Ditto.
5203         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
5204         (VI248_AVX512BW_1): New mode iterator.
5205         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
5206         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
5207         mode iterator.
5208
5209 2017-04-25  Martin Sebor  <msebor@redhat.com>
5210
5211         PR tree-optimization/80497
5212         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
5213         constants are representable in HOST_WIDE_INT.
5214         (parse_directive): Ditto.
5215
5216 2017-04-25  Martin Sebor  <msebor@redhat.com>
5217
5218         PR bootstrap/80486
5219         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
5220         (new_zero_array): Adjust signature.
5221         (dom_info::dom_init): Used unsigned rather that size_t.
5222         (dom_info::dom_info): Same.
5223
5224 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5225             Jakub Jelinek  <jakub@redhat.com>
5226
5227         PR target/77728
5228         * config/arm/arm.c: Include gimple.h.
5229         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
5230         returns negative, increment ncrn only if it returned positive.
5231         (arm_needs_doubleword_align): Return int instead of bool,
5232         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
5233         members, but if there is any such non-FIELD_DECL
5234         > PARM_BOUNDARY aligned decl, return -1 instead of false.
5235         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
5236         returns negative, increment nregs only if it returned positive.
5237         (arm_setup_incoming_varargs): Likewise.
5238         (arm_function_arg_boundary): Emit -Wpsabi note if
5239         arm_needs_doubleword_align returns negative, return
5240         DOUBLEWORD_ALIGNMENT only if it returned positive.
5241
5242 2017-04-25  Marek Polacek  <polacek@redhat.com>
5243
5244         PR sanitizer/80349
5245         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
5246         first argument to type.
5247
5248 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
5249
5250         PR target/80482
5251         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
5252         type checks to test for compatibility instead of equality.
5253
5254 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5255             Jakub Jelinek  <jakub@redhat.com>
5256
5257         PR target/77728
5258         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
5259         type.
5260         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
5261         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
5262         the alignment computation, but return their maximum in warn_alignment.
5263         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
5264         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
5265         is smaller.
5266         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
5267         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
5268         caller.
5269
5270 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5271
5272         * config/arc/simdext.md (dmpyh): Fix typo.
5273
5274 2017-04-25  Richard Biener  <rguenther@suse.de>
5275
5276         PR tree-optimization/80492
5277         * alias.c (compare_base_decls): Handle registers with asm
5278         specification conservatively.
5279         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
5280         compare_base_decls returning dont-know properly.
5281
5282 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5283
5284         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
5285         (legitimate_offset_address_p): New function.
5286         (arc_legitimate_address_p): Use above function.
5287
5288 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5289
5290         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
5291
5292 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5293
5294         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
5295         ACCH registers whenever they are available.
5296
5297 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5298
5299         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
5300         double regs fix when not used.
5301
5302 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5303
5304         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
5305         core registers.
5306         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
5307         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
5308
5309 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5310
5311         * config/arc/arc.c (arc_output_addsi): Check for h-register class
5312         when emitting short ADD instructions.
5313
5314 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5315
5316         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
5317         constraint.
5318         (cmpsi_cc_c_insn): Likewise.
5319         (cbranchsi4_scratch): Compute proper instruction length using
5320         compact_hreg_operand.
5321         * config/arc/predicates.md (compact_hreg_operand): New predicate.
5322
5323 2017-04-25  Richard Biener  <rguenther@suse.de>
5324
5325         PR middle-end/80509
5326         * passes.c (pass_manager::pass_manager): Initialize
5327         m_name_to_pass_map.
5328
5329 2017-04-25  Richard Biener  <rguenther@suse.de>
5330
5331         PR tree-optimization/79201
5332         * tree-ssa-sink.c (statement_sink_location): Handle calls.
5333
5334 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5335
5336         PR target/80464
5337         * config/s390/vector.md: Split MEM->GPR vector moves for
5338         non-s_operand addresses.
5339
5340 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5341
5342         PR target/79895
5343         * config/s390/predicates.md (reload_const_wide_int_operand): New
5344         predicate.
5345         * config/s390/s390.md ("movti"): Remove d/P alternative.
5346         ("movti_bigconst"): New pattern definition.
5347
5348 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5349
5350         PR target/80080
5351         * s390-protos.h (s390_expand_cs_hqi): Removed.
5352         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
5353         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
5354         modes as well as CCZ1mode and CCZmode.
5355         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
5356         signature of s390_emit_compare_and_swap.
5357         (s390_expand_cs_hqi): Likewise, make static.
5358         (s390_expand_cs_tdsi): Generate an explicit compare before trying
5359         compare-and-swap, in some cases.
5360         (s390_expand_cs): Wrapper function.
5361         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
5362         atomic_exchange.
5363         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
5364         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
5365         patterns for small and large integers.  Forbid symref memory operands.
5366         Move expander to s390.c.  Require cc register.
5367         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
5368         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
5369         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
5370         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
5371         symref memory operands.  Remove CC mode and call s390_match_ccmode
5372         instead.
5373         ("atomic_exchange<mode>"): Allow and implement all integer modes.
5374
5375 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5376
5377         * config/s390/s390.md (define_peephole2): New peephole to help
5378         combining the load-and-test pattern with volatile memory.
5379
5380 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5381
5382         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
5383         with CCZmode for TARGET_Z196.
5384
5385 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
5386
5387         PR rtl-optimization/80501
5388         * combine.c (make_compound_operation_int): Set subreg_code to SET
5389         even for AND with mask of the sign bit of mode.
5390
5391         PR rtl-optimization/80500
5392         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
5393         sum's initial value.
5394
5395 2017-04-25  Julian Brown  <julian@codesourcery.com>
5396             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
5397
5398         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
5399
5400 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
5401
5402         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
5403
5404 2017-04-25  Julian Brown  <julian@codesourcery.com>
5405             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
5406
5407         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
5408         (thunderx2t99_sha): New Reservation.
5409
5410 2017-04-25  Julian Brown  <julian@codesourcery.com>
5411             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
5412
5413         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
5414         type for 1-element load.
5415
5416 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
5417
5418         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
5419
5420 2017-04-24  Martin Jambor  <mjambor@suse.cz>
5421
5422         PR tree-optimization/80293
5423         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
5424         char arrays not totally scalarizable if it is false.
5425         (analyze_all_variable_accesses): Pass correct value in the new
5426         parameter.  Add a statistics counter.
5427
5428 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
5429
5430         PR middle-end/79931
5431         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
5432
5433 2017-04-24  Richard Biener  <rguenther@suse.de>
5434
5435         PR tree-optimization/80494
5436         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
5437         out for complex types.
5438
5439 2017-04-24  Richard Biener  <rguenther@suse.de>
5440
5441         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
5442         * tree-ssa-sccvn.c (print_scc): Print SCC size.
5443         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
5444         (DFS): Adjust and never fail.
5445         (sccvn_dom_walker::fail): Remove.
5446         (sccvn_dom_walker::before_dom_children): Adjust.
5447         (run_scc_vn): Likewise and never fail.
5448         * tree-ssa-pre.c (pass_pre::execute): Adjust.
5449         (pass_fre::execute): Likewise.
5450
5451 2017-04-24  Richard Biener  <rguenther@suse.de>
5452
5453         PR tree-optimization/79725
5454         * tree-ssa-sink.c (statement_sink_location): Return whether
5455         failure reason was zero uses.  Move that check later.
5456         (sink_code_in_bb): Deal with zero uses by removing the stmt
5457         if possible.
5458
5459 2017-04-24  Richard Biener  <rguenther@suse.de>
5460
5461         PR c++/2972
5462         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
5463         pointer-based references.
5464
5465 2017-04-24  Richard Biener  <rguenther@suse.de>
5466
5467         PR bootstrap/79814
5468         * pass_manager.h (pass_manager::operator new): Remove.
5469         (pass_manager::operator delete): Likewise.
5470         * passes.c (pass_manager::operator new): Remove.
5471         (pass_manager::operator delete): Likewise.
5472         (pass_manager::pass_manager): Zero individual pass members.
5473
5474 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
5475
5476         PR target/70799
5477         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
5478         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
5479         Check "XEXP (src, 1)" operand here.
5480         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
5481         Check "XEXP (src, 1)" operand here.
5482         (dimode_scalar_chain::make_vector_copies): Detect count register
5483         of a shift instruction.  Zero extend count register from QImode
5484         to DImode to satisfy vector shift pattern count operand predicate.
5485         Substitute vector shift count operand with a DImode copy.
5486         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
5487         vector register.
5488
5489 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
5490
5491         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
5492         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
5493         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
5494         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
5495         (UNSPEC_NOREX_MEM): Remove definition.
5496
5497 2017-04-21  Richard Biener  <rguenther@suse.de>
5498
5499         PR tree-optimization/79547
5500         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
5501         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
5502         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
5503         without any constraints.
5504
5505 2017-04-21  Richard Biener  <rguenther@suse.de>
5506
5507         PR tree-optimization/78847
5508         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
5509
5510 2017-04-21  Richard Biener  <rguenther@suse.de>
5511
5512         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
5513         (build_distinct_type_copy): Likewise.
5514         (build_variant_type_copy): Likewise.
5515         * tree.c (build_qualified_type): Pass down mem-stat info.
5516         (build_distinct_type_copy): Likewise.
5517         (build_variant_type_copy): Likewise.
5518
5519 2017-04-21  Richard Biener  <rguenther@suse.de>
5520
5521         PR tree-optimization/80237
5522         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
5523         defaulted to NULL.
5524         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
5525         for a simplified result.
5526
5527 2016-04-21  Richard Biener  <rguenther@suse.de>
5528
5529         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
5530         sth as strict as a simple_iv but a chrec without symbols and an
5531         operand defined in the loop we are peeling (and not some subloop).
5532         (propagate_constants_for_unrolling): Propagate all constants.
5533
5534 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
5535
5536         PR target/79804
5537         * config/i386/i386.c (print_reg): Remove assert for disalowed
5538         regno values, call output_operand_lossage instead.
5539
5540 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
5541
5542         PR target/78090
5543         * config/i386/constraints.md (Yc): New register constraint.
5544         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
5545         Use Yc constraint for alternative 2 of operand 0.  Remove
5546         preferred_for_speed attribute.
5547
5548 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
5549
5550         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
5551         lastprivate clauses in SIMT case.
5552
5553 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
5554
5555         * doc/invoke.texi (-Wextra-semi): Document new warning option.
5556
5557 2017-04-20  Richard Biener  <rguenther@suse.de>
5558
5559         PR tree-optimization/57796
5560         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
5561         as N scalar stores.
5562         (vect_model_load_cost): Cost gathers as N scalar loads.
5563
5564 2017-04-20  Richard Biener  <rguenther@suse.de>
5565
5566         * ggc-page.c (ggc_allocated_p): Rename to ...
5567         (safe_lookup_page_table_entry): ... this and return the lookup
5568         result.
5569         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
5570
5571 2017-04-20  Richard Biener  <rguenther@suse.de>
5572
5573         PR tree-optimization/80453
5574         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
5575         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
5576         from the conditions.
5577         (vn_phi_eq): Pass them down.
5578         (vn_phi_lookup): Record them.
5579         (vn_phi_insert): Likewise.
5580
5581 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
5582
5583         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
5584         uninitialized variable warning to avoid buffer overrun.
5585
5586 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
5587
5588         PR other/71250
5589         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
5590         is suppressed for '{ 0 }' in C.
5591
5592 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
5593
5594         * BASE-VER: Set to 8.0.0.
5595
5596 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5597
5598         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
5599         priority .init_array and .fini_array section with SECTION_NOTYPE
5600         flag.
5601
5602 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
5603
5604         PR middle-end/80423
5605         * tree.h (build_array_type): Add typeless_storage default argument.
5606         * tree.c (type_cache_hasher::equal): Also compare
5607         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
5608         (build_array_type): Add typeless_storage argument, set
5609         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
5610         recursive call.
5611         (build_nonshared_array_type): Adjust build_array_type_1 caller.
5612         (build_array_type): Likewise.  Add typeless_storage argument.
5613
5614 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
5615             Jakub Jelinek  <jakub@redhat.com>
5616
5617         PR tree-optimization/80426
5618         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
5619         operation on symbolic operands, also compute the overflow for the
5620         invariant part when the operation degenerates into a negation.
5621
5622 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
5623
5624         PR debug/80461
5625         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
5626         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
5627
5628         PR debug/80436
5629         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
5630
5631 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
5632
5633         PR target/80462
5634         * config/avr/avr.c (tree.h): Include it.
5635         (cgraph.h): Include it.
5636         (avr_encode_section_info): Don't warn for uninitialized progmem
5637         variable if it's just an alias.
5638
5639 2017-04-19  Richard Biener  <rguenther@suse.de>
5640
5641         PR ipa/65972
5642         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
5643         when needed by AutoPGO.
5644
5645 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
5646
5647         PR lto/50345
5648         * doc/lto.texi: Remove an extra 'that'.
5649
5650 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
5651
5652         PR rtl-optimization/80429
5653         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
5654         are only used in debug insns.
5655
5656 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
5657             Vladimir Makarov  <vmakarov@redhat.com>
5658
5659         * config/sparc/predicates.md (input_operand): Add comment.  Return
5660         true for any memory operand when LRA is in progress.
5661         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
5662
5663 2017-04-18  Jeff Law  <law@redhat.com>
5664
5665         PR target/74563
5666         * mips.md ({return,simple_return}_internal): Do not overwrite
5667         operands[0].
5668
5669 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
5670
5671         PR tree-optimization/80443
5672         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
5673         instead of adding 1, subtract -1 and similarly instead of subtracting
5674         1 add -1.
5675
5676 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
5677
5678         PR rtl-optimization/80357
5679         * haifa-sched.c (tmp_bitmap): New variable.
5680         (model_recompute): Handle duplicate use records.
5681         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
5682         (free_global_sched_pressure_data): Free it.
5683
5684 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5685
5686         Revert:
5687         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5688         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
5689         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
5690         instead of SYSTEM_HEADER_DIR.
5691
5692 2017-04-18  Jeff Law  <law@redhat.com>
5693
5694         PR middle-end/80422
5695         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
5696         predecessors after walking up the insn chain.
5697
5698 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
5699
5700         PR debug/80263
5701         * dwarf2out.c (modified_type_die): Try harder not to emit internal
5702         sizetype type into debug info.
5703
5704 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
5705
5706         PR target/80099
5707         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
5708         unneeded test for TARGET_UPPER_REGS_SF.
5709         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
5710
5711 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
5712
5713         PR sanitizer/80444
5714         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
5715         instead of gsi_after_labels.
5716
5717 2017-04-18  Jeff Law  <law@redhat.com>
5718
5719         * regcprop.c (maybe_mode_change): Avoid creating copies of the
5720         stack pointer.
5721
5722         Revert:
5723         2017-04-13  Jeff Law  <law@redhat.com>
5724         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
5725         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
5726
5727 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
5728
5729         PR target/79453
5730         * config/avr/avr.c (intl.h): Include it.
5731         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
5732
5733 2017-04-18  Martin Liska  <mliska@suse.cz>
5734
5735         PR gcov-profile/78783
5736         * gcov-tool.c (gcov_output_files): Validate that destination
5737         file is either removed by the tool or by a user.
5738
5739 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
5740             Guy Benyei  <guybe@mellanox.com>
5741
5742         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
5743         block, and do not negate it, the stored id is already negative.
5744
5745 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
5746
5747         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
5748
5749 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
5750
5751         PR target/80098
5752         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
5753         masks of options that should be turned off if the VSX vector
5754         options are turned off.
5755         (OTHER_P8_VECTOR_MASKS): Likewise.
5756         (OTHER_VSX_VECTOR_MASKS): Likewise.
5757         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
5758         rs6000_disable_incompatible_switches to validate no type switches
5759         like -mvsx.
5760         (rs6000_incompatible_switch): New function to disallow turning on
5761         other vector options if -mno-vsx, -mno-power8-vector, or
5762         -mno-power9-vector are specified.
5763
5764 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
5765
5766         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
5767
5768 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
5769
5770         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
5771         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
5772         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
5773         (ARG_POINTER_CFA_OFFSET): Likewise.
5774
5775 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
5776
5777         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
5778         conditions to take advantage of various optimizations.
5779
5780 2017-04-13  Jeff Law  <law@redhat.com>
5781
5782         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
5783         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
5784         (zero_extendsidi2_dext): Likewise.
5785
5786 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
5787
5788         PR sanitizer/80403
5789         * fold-const.c (fold_ternary_loc): Revert
5790         use op0 instead of fold_convert_loc (loc, type, arg0) part of
5791         2017-04-12 change.
5792
5793 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5794
5795         PR rtl-optimization/80343
5796         * lra-remat.c (update_scratch_ops): Assign original hard reg to
5797         new scratch pseudo.
5798
5799 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
5800
5801         PR sanitizer/80414
5802         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
5803         to ubsan_encode_value.
5804
5805 2017-04-13  Jeff Law  <law@redhat.com>
5806
5807         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
5808         appearing in DEBUG_INSNs.
5809
5810 2017-04-13  Martin Liska  <mliska@suse.cz>
5811
5812         PR gcov-profile/80413
5813         * gcov-io.c (gcov_write_string): Copy to buffer just when
5814         allocated size is greater than zero.
5815
5816 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
5817
5818         PR debug/80321
5819         * dwarf2out.c (decls_for_scope): Ignore declarations of
5820         current_function_decl in BLOCK_NONLOCALIZED_VARS.
5821
5822 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
5823
5824         PR lto/69953
5825         * ipa-visibility.c (non_local_p): Fix typos.
5826         (localize_node): When localizing symbol in same comdat group,
5827         dissolve the group only when we know external symbols are going
5828         to be privatized.
5829         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
5830
5831 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
5832
5833         PR tree-optimization/79390
5834         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
5835         order does not result in usable sequence, retry with reversed operand
5836         order.
5837
5838         PR sanitizer/80403
5839         PR sanitizer/80404
5840         PR sanitizer/80405
5841         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
5842         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
5843         op0 instead of fold_convert_loc (loc, type, arg0).
5844
5845 2017-04-12  Jeff Law  <law@redhat.com>
5846
5847         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
5848         has a delay slot in the generated code.
5849
5850         * config/cris/cris.md (cris_preferred_reload_class): Return
5851         GENNONACR_REGS rather than GENERAL_REGS.
5852
5853 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
5854
5855         PR c/80163
5856         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
5857         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
5858         signedness of the result type.
5859
5860 2017-04-12  Richard Biener  <rguenther@suse.de>
5861             Jeff Law  <law@redhat.com>
5862
5863         PR tree-optimization/80359
5864         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
5865         trim stores to TARGET_MEM_REFs.
5866
5867 2017-04-12  Richard Biener  <rguenther@suse.de>
5868
5869         PR tree-optimization/79390
5870         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
5871         threading case even more.
5872
5873 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
5874
5875         PR target/80382
5876         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
5877         for quad_address_p for TImode, instead of just not indexed_address.
5878
5879 2017-04-12  Richard Biener  <rguenther@suse.de>
5880             Bernd Edlinger  <bernd.edlinger@hotmail.de>
5881
5882         PR middle-end/79671
5883         * alias.c (component_uses_parent_alias_set_from): Handle
5884         TYPE_TYPELESS_STORAGE.
5885         (get_alias_set): Likewise.
5886         * tree-core.h (tree_type_common): Add typeless_storage flag.
5887         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
5888         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
5889         for types containing members with TYPE_TYPELESS_STORAGE.
5890         (place_field): Likewise.
5891         (layout_type): Likewise for ARRAY_TYPE.
5892         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
5893         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
5894         TYPE_TYPELESS_STORAGE.
5895         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
5896
5897 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
5898
5899         PR sanitizer/80349
5900         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
5901         first argument to type.
5902
5903 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5904
5905         PR target/80376
5906         PR target/80315
5907         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
5908         CONST0_RTX (mode) rather than const0_rtx where appropriate.
5909         (rs6000_expand_binop_builtin): Likewise.
5910         (rs6000_expand_ternop_builtin): Likewise; also add missing
5911         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
5912         vshasigma built-ins.
5913         * doc/extend.texi: Document that vec_xxpermdi's third argument
5914         must be a constant.
5915
5916 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
5917
5918         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
5919         Use shift_const cost parameter when calculating gain of STV shifts.
5920
5921 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
5922
5923         PR rtl-optimization/70478
5924         * lra-constraints.c (process_alt_operands): Check memory for
5925         disfavoring memory insn operand.
5926
5927 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
5928
5929         PR middle-end/80100
5930         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
5931         left shift in unsigned HOST_WIDE_INT type.
5932
5933         PR rtl-optimization/80385
5934         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
5935         (not (neg X)) into (plus X -1) for complex or non-integral modes.
5936
5937         PR libgomp/80394
5938         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
5939         if they have any depend clauses.
5940
5941 2017-04-11  Martin Liska  <mliska@suse.cz>
5942
5943         PR ipa/80212
5944         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
5945         * ipa-split.c (split_function): Create a local comdat symbol
5946         if caller is in a comdat group.
5947
5948 2017-04-11  Martin Liska  <mliska@suse.cz>
5949
5950         PR ipa/80212
5951         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
5952         flags.
5953
5954 2017-04-11  Martin Sebor  <msebor@redhat.com>
5955
5956         PR middle-end/80364
5957         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
5958         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
5959         for INTEGER_TYPE.
5960         (directive::set_width, directive::set_precision, format_character):
5961         Adjust.
5962         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
5963         INTEGER_TYPE.
5964
5965 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
5966
5967         PR target/80389
5968         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
5969         conflict, set target->arch_name instead of target->cpu_name.
5970
5971 2017-04-11  Richard Biener  <rguenther@suse.de>
5972
5973         PR tree-optimization/80374
5974         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
5975         build_zero_cst, remove fold_convertible_p check again.
5976
5977 2017-04-11  Martin Liska  <mliska@suse.cz>
5978
5979         PR sanitizer/70878
5980         * ubsan.c (instrument_object_size): Do not instrument register
5981         variables.
5982
5983 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
5984
5985         PR target/80381
5986         * config/i386/i386-builtin-types.def
5987         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
5988         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
5989         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
5990         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
5991         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
5992         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
5993         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
5994         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
5995         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
5996         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
5997         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
5998         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
5999         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
6000         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
6001         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
6002         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
6003         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
6004         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
6005         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
6006         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
6007         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
6008         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
6009         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
6010         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
6011         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
6012         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
6013         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
6014         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
6015         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
6016         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
6017         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
6018         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
6019         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
6020         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
6021         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
6022         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
6023         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
6024         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
6025         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
6026         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
6027         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
6028         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
6029         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
6030         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
6031         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
6032         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
6033         aliases.
6034         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
6035         flag to second_arg_count, handle 4 argument function type _COUNT
6036         aliases, handle second_arg_count on second argument rather than last.
6037
6038 2017-04-10  Jeff Law  <law@redhat.com>
6039
6040         PR tree-optimization/80374
6041         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
6042         record anything if we can not convert integer_zero_node to the
6043         desired type.
6044
6045 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6046
6047         PR target/80108
6048         * config/rs6000/rs6000.c (rs6000_option_override_internal):
6049         Enhance special handling given to the TARGET_P9_MINMAX option in
6050         relation to certain other options.
6051
6052 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
6053
6054         PR tree-optimization/80153
6055         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
6056         remove POINTER_PLUS_EXPR's base part directly, rather than through
6057         aff_tree.
6058
6059 2017-04-10  Richard Biener  <rguenther@suse.de>
6060             Bin Cheng  <bin.cheng@arm.com>
6061
6062         PR tree-optimization/80153
6063         * tree-affine.c (aff_combination_to_tree): Get base pointer from
6064         the first element of pointer type aff_tree.  Build result expr in
6065         aff_tree's type.
6066         (add_elt_to_tree): Convert to type unconditionally.  Remove other
6067         fold_convert calls.
6068         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
6069         (rewrite_use_nonlinear_expr): Check invariant using iv information.
6070
6071 2017-04-10  Richard Biener  <rguenther@suse.de>
6072
6073         * tree-ssa-structalias.c (find_func_aliases): Properly handle
6074         asm inputs.
6075
6076 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
6077
6078         PR rtl-optimization/70478
6079         * lra-constraints.c (curr_small_class_check): New.
6080         (update_and_check_small_class_inputs): New.
6081         (process_alt_operands): Update curr_small_class_check.  Disfavor
6082         alternative insn memory operands.  Check available regs for small
6083         class operands.
6084
6085 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
6086
6087         PR target/80057
6088         * config/mips/mips.opt (-mvirt): Update description.
6089         * doc/invoke.texi (-mvirt): Likewise.
6090
6091 2017-04-10  Richard Biener  <rguenther@suse.de>
6092
6093         PR middle-end/80362
6094         * fold-const.c (fold_binary_loc): Look at unstripped ops when
6095         looking for NEGATE_EXPR in -A / -B to A / B folding.
6096
6097 2017-04-10  Martin Liska  <mliska@suse.cz>
6098
6099         PR gcov-profile/80224
6100         * gcov.c (print_usage): Fix usage string.
6101         (get_gcov_intermediate_filename): Remove.
6102         (output_gcov_file): Use both for normal and intermediate format.
6103         (generate_results): Do not initialize special file for
6104         intermediate format.
6105
6106 2017-04-10  Richard Biener  <rguenther@suse.de>
6107
6108         PR tree-optimization/80304
6109         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
6110         for safelen.
6111
6112 2017-04-10  Nathan Sidwell  <nathan@acm.org>
6113
6114         PR target/79905
6115         * config/rs6000/rs6000.c (rs6000_vector_type): New.
6116         (rs6000_init_builtins): Use it.
6117
6118 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6119
6120         * config/arm/arm.md (<mrc>): Add mode to SET source.
6121         (<mrrc>): Likewise.
6122
6123 2017-04-10  Richard Biener  <rguenther@suse.de>
6124
6125         PR middle-end/80344
6126         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
6127
6128 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
6129
6130         PR target/80324
6131         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
6132         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
6133         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
6134         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
6135         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
6136         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
6137         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
6138         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
6139         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
6140         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
6141         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
6142         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
6143         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
6144         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
6145         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
6146         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
6147         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
6148         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
6149         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
6150         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
6151         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
6152         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
6153         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
6154
6155 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
6156
6157         PR rtl-optimization/70478
6158         * lra-constraints.c: Reverse the last patch.
6159
6160 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
6161
6162         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
6163         Add comment for WCHAR_T.
6164
6165 2017-04-08  Martin Liska  <mliska@suse.cz>
6166
6167         Revert:
6168         2017-04-07  Martin Liska  <mliska@suse.cz>
6169
6170         PR ipa/80212
6171         * ipa-split.c (split_function): Add function part to a same comdat
6172         group.
6173
6174 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
6175
6176         PR target/80358
6177         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
6178
6179 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
6180
6181         * rs6000/rs6000.c (vec_load_pendulum): Rename...
6182         (vec_pairing): ...to this.
6183         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
6184         (rs6000_sched_init): Adjust for name change.
6185         (struct rs6000_sched_context): Likewise.
6186         (rs6000_init_sched_context): Likewise.
6187         (rs6000_set_sched_context): Likewise.
6188
6189 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
6190
6191         PR target/80322
6192         PR target/80323
6193         PR target/80325
6194         PR target/80326
6195         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
6196         intrinsics.
6197         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
6198         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
6199         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
6200
6201 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
6202
6203         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
6204
6205 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
6206
6207         PR rtl-optimization/70703
6208         * ira-color.c (update_conflict_hard_regno_costs): Use
6209         int64_t instead of HOST_WIDE_INT.
6210
6211 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
6212
6213         PR rtl-optimization/70478
6214         * lra-constraints.c (process_alt_operands): Disfavor alternative
6215         insn memory operands.
6216
6217 2017-04-07  Jeff Law  <law@redhat.com>
6218
6219         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
6220         CALL and NOTE_INSN_CALL_ARG_LOCATION.
6221
6222 2017-04-07  Martin Liska  <mliska@suse.cz>
6223
6224         PR target/79889
6225         * config/aarch64/aarch64.c (aarch64_process_target_attr):
6226         Show error message instead of an ICE.
6227
6228 2017-04-07  Martin Liska  <mliska@suse.cz>
6229
6230         PR ipa/80212
6231         * ipa-split.c (split_function): Add function part to a same comdat
6232         group.
6233
6234 2017-04-07  Richard Biener  <rguenther@suse.de>
6235
6236         PR middle-end/80341
6237         * tree.c (get_unwidened): Also handle ! for_type case for
6238         INTEGER_CSTs.
6239         * convert.c (do_narrow): Split out from ...
6240         (convert_to_integer_1): ... here.  Do not pass final truncation
6241         type to get_unwidened for TRUNC_DIV_EXPR.
6242
6243 2017-04-07  Richard Biener  <rguenther@suse.de>
6244
6245         * tree-affine.c (wide_int_ext_for_comb): Take type rather
6246         than aff_tree.
6247         (aff_combination_const): Adjust.
6248         (aff_combination_scale): Likewise.
6249         (aff_combination_add_elt): Likewise.
6250         (aff_combination_add_cst): Likewise.
6251         (aff_combination_convert): Likewise.
6252         (add_elt_to_tree): Likewise.  Remove unused argument.
6253         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
6254
6255 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6256
6257         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
6258         definition.
6259         * config/arm/arm.c (arm_default_short_enums): Use
6260         ARM_DEFAULT_SHORT_ENUMS.
6261         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
6262
6263 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
6264
6265         PR debug/80234
6266         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
6267         members with redundant out-of-class redeclaration.
6268
6269 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
6270
6271         PR target/80286
6272         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
6273         * config/i386/i386.md (*zero_extendsidi2):
6274         Add (?*x,*x) and (?*v,*v) alternatives.
6275
6276 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
6277
6278         PR target/79733
6279         * config/i386/i386.c (ix86_expand_builtin)
6280         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
6281         mode from insn data. Convert operands to insn operand mode.
6282         Copy operands that don't satisfy insn predicate to a register.
6283
6284 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
6285
6286         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
6287         Update comments.
6288
6289 2017-04-06  Richard Biener  <rguenther@suse.de>
6290
6291         PR tree-optimization/80334
6292         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
6293         preserve alignment of accesses.
6294
6295 2017-04-06  Richard Biener  <rguenther@suse.de>
6296
6297         PR tree-optimization/80262
6298         * tree-sra.c (build_ref_for_offset): Preserve address-space
6299         information.
6300         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
6301         Drop useless address-space information on MEM_REF offsets.
6302
6303 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
6304
6305         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
6306
6307 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
6308
6309         PR rtl-optimization/70703
6310         * ira-color.c (update_conflict_hard_regno_costs): Use
6311         HOST_WIDE_INT instead of long.
6312
6313 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
6314
6315         PR target/80298
6316         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
6317         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
6318         is not defined.
6319         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
6320         for x86_64 target.  Handle -m3dnowa option.
6321
6322 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
6323
6324         PR rtl-optimization/70703
6325         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
6326         (update_conflict_hard_regno_costs): Use long instead of unsigned
6327         arithmetic for cost calculation.
6328
6329 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
6330             Bernd Edlinger  <bernd.edlinger@hotmail.de>
6331
6332         PR sanitizer/80308
6333         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
6334         for big endian.
6335
6336 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
6337
6338         PR target/78002
6339         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
6340         ptr_mode with Pmode throughout.
6341         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
6342         into probe_stack_range and use DImode.
6343
6344 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6345
6346         PR target/79890
6347         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
6348         call_eh_return is true.
6349
6350 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6351
6352         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
6353         Initialize last_match_fntype_index.
6354
6355 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
6356
6357         PR target/80310
6358         * tree-nvr.c: Include internal-fn.h.
6359         (pass_return_slot::execute): Ignore internal calls without
6360         direct optab.
6361
6362 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
6363             Richard Biener  <rguenther@suse.de>
6364
6365         PR c++/80297
6366         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
6367         captures used multiple times, except for the last use.
6368         * generic-match-head.c: Include gimplify.h.
6369
6370 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
6371
6372         PR tree-optimization/79390
6373         * target.h (struct noce_if_info): Declare.
6374         * targhooks.h (default_noce_conversion_profitable_p): Declare.
6375         * target.def (noce_conversion_profitable_p): New target hook.
6376         * ifcvt.h (struct noce_if_info): New type, moved from ...
6377         * ifcvt.c (struct noce_if_info): ... here.
6378         (noce_conversion_profitable_p): Renamed to ...
6379         (default_noce_conversion_profitable_p): ... this.  No longer
6380         static nor inline.
6381         (noce_try_store_flag_constants, noce_try_addcc,
6382         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
6383         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
6384         instead of noce_conversion_profitable_p.
6385         * config/i386/i386.c: Include ifcvt.h.
6386         (ix86_option_override_internal): Don't override
6387         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
6388         (ix86_noce_conversion_profitable_p): New function.
6389         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
6390         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
6391         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
6392         * doc/tm.texi: Regenerated.
6393
6394 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6395
6396         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
6397         correction.
6398
6399 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
6400
6401         PR target/80307
6402         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
6403         instructions for small multiply cores.
6404
6405 2017-04-04  Jeff Law  <law@redhat.com>
6406
6407         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
6408         added member.
6409         (mips_expand_vec_perm_const): Initialize elements in orig_perm
6410         that are not set by the loop over the elements.
6411
6412 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
6413
6414         PR target/80286
6415         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
6416         int mode, convert_modes it to mode as unsigned, otherwise use
6417         lowpart_subreg to mode rather than SImode.
6418         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
6419         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
6420         Use DImode instead of SImode for the shift count operand.
6421         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
6422         Likewise.
6423
6424 2017-04-04  Richard Biener  <rguenther@suse.de>
6425
6426         PR middle-end/80281
6427         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
6428         arithmetic done for the negate or the plus.  Simplify.
6429         (A - (-B) -> A + B): Likewise.
6430         * fold-const.c (split_tree): Make sure to not negate pointers.
6431
6432 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
6433
6434         PR rtl-optimization/60818
6435         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
6436         a compare of comparisons with the thing compared if this results
6437         in a different machine mode.
6438
6439 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
6440
6441         * alias.c (base_alias_check): Fix typo in comment.
6442         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
6443         * cgraphunit.c (symbol_table::compile): Likewise.
6444         * collect2.c (maybe_run_lto_and_relink): Likewise.
6445         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
6446         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
6447         * config/avr/avr.c (avr_map_op_t): Likewise.
6448         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
6449         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
6450         * config/epiphany/epiphany.md (movcc): Likewise.
6451         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
6452         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
6453         Likewise.
6454         * config/mips/mips.c (mips_save_restore_reg): Likewise.
6455         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
6456         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
6457         * config/sh/sh.c (sh_rtx_costs): Likewise.
6458         * fold-const.c (fold_truth_andor): Likewise.
6459         * genautomata.c (collapse_flag): Likewise.
6460         * gengtype.h (struct type::u::s): Likewise.
6461         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
6462         * input.c (FORMAT_AMOUNT): Likewise.
6463         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
6464         (known_aggs_to_agg_replacement_list): Likewise.
6465         * ipa-inline-analysis.c: Likewise.
6466         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
6467         * ipa-polymorphic-call.c
6468         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
6469         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
6470         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
6471         Likewise.
6472         * modulo-sched.c (apply_reg_moves): Likewise.
6473         * omp-expand.c (build_omp_regions_1): Likewise.
6474         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
6475         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
6476         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
6477         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
6478         * value-prof.c: Likewise.
6479         * var-tracking.c (val_reset): Likewise.
6480
6481 2017-04-03  Richard Biener  <rguenther@suse.de>
6482
6483         PR tree-optimization/80275
6484         * fold-const.c (split_address_to_core_and_offset): Handle
6485         POINTER_PLUS_EXPR.
6486
6487 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
6488
6489         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
6490         descriptors is at least equal to that of functions.
6491
6492 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
6493
6494         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
6495
6496 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
6497
6498         PR target/80250
6499         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
6500         (mov<IMOD4:mode>): New expander.
6501         (*mov<IMOD4:mode>_internal): New insn and split pattern.
6502
6503 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
6504
6505         PR rtl-optimization/79405
6506         * fwprop.c (propagations_left): New variable.
6507         (forward_propagate_into): Decrement it.
6508         (fwprop_init): Initialize it.
6509         (fw_prop): If the variable has reached zero, stop propagating.
6510         (fwprop_addr): Ditto.
6511
6512 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
6513
6514         PR debug/79255
6515         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
6516         a FUNCTION_DECL, pass it as decl instead of origin to
6517         process_scope_var.
6518
6519 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
6520
6521         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
6522         string.
6523
6524 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
6525
6526         PR target/80107
6527         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
6528         TARGET_VSX_SMALL_INTEGER.
6529
6530 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6531
6532         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
6533         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
6534
6535 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
6536
6537         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
6538         extraction from odd-numbered MSA register.
6539
6540 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
6541
6542         PR middle-end/80173
6543         * expmed.c (store_bit_field_1): Don't attempt to create
6544         a word subreg out of hard registers wider than word if they
6545         have HARD_REGNO_NREGS of 1 for their mode.
6546
6547         PR middle-end/80163
6548         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
6549         conversions to integer types wider than word and pointer.
6550
6551         PR debug/80025
6552         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
6553         (rtx_equal_for_cselib_p): Pass 0 to it.
6554         * cselib.c (cselib_hasher::equal): Likewise.
6555         (rtx_equal_for_cselib_1): Add depth argument.  If depth
6556         is 128, don't look up VALUE locs and punt.  Increment
6557         depth in recursive calls when walking VALUE locs.
6558
6559 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6560
6561         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
6562         (make_gcov_file_name): Use the canonical path name for generating
6563         the MD5 value.
6564         (read_line): Fix handling of files with ascii null bytes.
6565
6566 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
6567
6568         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
6569         to initialise a vector register instead
6570         of using a const_int.
6571
6572 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
6573
6574         PR translation/80189
6575         * gimplify.c (omp_default_clause): Use %qs instead of %s in
6576         diagnostic messages.
6577
6578 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
6579
6580         PR target/80246
6581         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
6582         (dfp_diex_<mode>): Update mode of operand 1.
6583         * doc/extend.texi (dxex, dxexq): Document change to return type.
6584         (diex, diexq): Document change to argument type.
6585
6586 2017-03-30  Martin Jambor  <mjambor@suse.cz>
6587
6588         PR ipa/77333
6589         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
6590         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
6591         it reflects the signature changes performed at the callee side.
6592         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
6593         to cgraph_build_function_type_skip_args.
6594         (build_function_decl_skip_args): Adjust call to the above function.
6595
6596 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
6597
6598         PR target/80206
6599         * config/i386/sse.md
6600         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
6601         register as dest whenever it is a MEM not rtx_equal_p to the
6602         corresponding dup operand, and when forcing into reg move the
6603         reg into the memory afterwards.
6604         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
6605         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
6606         for the force_reg mode.
6607         (avx512vl_vextractf128<mode>): Use register as dest either
6608         always when a MEM, or when it is a MEM not rtx_equal_p to the
6609         corresponding dup operand, or even not when it is a CONST_VECTOR
6610         depending on the mode and lo vs. hi.
6611         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
6612         parens.
6613         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
6614         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
6615         Likewise.  Require that operands[2] is even.
6616         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
6617         Remove extraneous parens.  Require that operands[2] is a multiple
6618         of 4.
6619         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
6620         operands[0] is a MEM if <mask_applied>, the predicates/constraints
6621         disallow memory then.
6622
6623 2017-03-30  Richard Biener  <rguenther@suse.de>
6624
6625         PR tree-optimization/77498
6626         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
6627         to non-constants over backedges.
6628
6629 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
6630
6631         PR rtl-optimization/80233
6632         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
6633         as last_combined_insn.  Do not test for BARRIER_P separately.
6634
6635 2017-03-29  Andreas Schwab  <schwab@suse.de>
6636
6637         PR ada/80146
6638         * calls.c (prepare_call_address): Convert funexp to Pmode before
6639         copying to temp reg.
6640
6641 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6642
6643         PR tree-optimization/80158
6644         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
6645         Handle possible future case of more than one alternate
6646         interpretation.
6647         (replace_rhs_if_not_dup): Likewise.
6648         (replace_one_candidate): Likewise.
6649
6650 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
6651
6652         PR rtl-optimization/80193
6653         * ira.c (ira): Do not check allocation for LRA.
6654
6655 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
6656
6657         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
6658         (nvptx_output_simt_exit): Declare.
6659         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
6660         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
6661         (init_softstack_frame): Move initialization of crtl->is_leaf to...
6662         (nvptx_declare_function_name): ...here.  Emit declaration of local
6663         memory space buffer for omp_simt_enter insn.
6664         (nvptx_output_unisimt_switch): New.
6665         (nvptx_output_softstack_switch): New.
6666         (nvptx_output_simt_enter): New.
6667         (nvptx_output_simt_exit): New.
6668         * config/nvptx/nvptx.h (struct machine_function): New fields
6669         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
6670         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
6671         (UNSPECV_SIMT_EXIT): Ditto.
6672         (omp_simt_enter_insn): New insn.
6673         (omp_simt_enter): New expansion.
6674         (omp_simt_exit): New insn.
6675         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
6676
6677         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
6678         (expand_GOMP_SIMT_ENTER_ALLOC): New.
6679         (expand_GOMP_SIMT_EXIT): New.
6680         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
6681         (GOMP_SIMT_ENTER_ALLOC): Ditto.
6682         (GOMP_SIMT_EXIT): Ditto.
6683         * target-insns.def (omp_simt_enter): New insn.
6684         (omp_simt_exit): Ditto.
6685         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
6686         simt_dlist.
6687         (lower_rec_simd_input_clauses): Implement SIMT privatization.
6688         (lower_rec_input_clauses): Likewise.
6689         (lower_lastprivate_clauses): Handle SIMT privatization.
6690
6691         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
6692         (ompdevlow_adjust_simt_enter): New.
6693         (find_simtpriv_var_op): New.
6694         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
6695         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
6696
6697         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
6698         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
6699         (copy_decl_for_dup_finish): Ditto.
6700
6701         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
6702
6703 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
6704
6705         PR target/53383
6706         * config/i386/i386.c (ix86_option_override_internal): Always
6707         allow -mpreferred-stack-boundary=3 for 64-bit targets.
6708
6709 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
6710
6711         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
6712
6713 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
6714
6715         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
6716         mark new edge's irreducible flag accordign to it.
6717         (vect_do_peeling): Check loop preheader edge's irreducible flag
6718         and pass it to function slpeel_add_loop_guard.
6719
6720 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
6721
6722         PR tree-optimization/80218
6723         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
6724         Update block frequencies and counts.
6725
6726 2017-03-28  Richard Biener  <rguenther@suse.de>
6727
6728         PR tree-optimization/78644
6729         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
6730         of a simplification result we may not use it at all.
6731
6732 2017-03-28  Richard Biener  <rguenther@suse.de>
6733
6734         PR ipa/80205
6735         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
6736         without arguments, generate default definition of a SSA name.
6737
6738 2017-03-28  Richard Biener  <rguenther@suse.de>
6739
6740         PR middle-end/80222
6741         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
6742         TYPE_REF_CAN_ALIAS_ALL references.
6743         * fold-const.c (fold_indirect_ref_1): Likewise.
6744
6745 2017-03-28  Martin Liska  <mliska@suse.cz>
6746
6747         PR ipa/80104
6748         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
6749         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
6750
6751 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
6752             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
6753
6754         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
6755         (EXTRA_SPECS): Define.
6756         (SUBTARGET_EXTRA_SPECS): Likewise.
6757         (SUBTARGET_CPP_SPEC): Likewise.
6758         * config/arc/elf.h (EXTRA_SPECS): Renamed to
6759         SUBTARGET_EXTRA_SPECS.
6760         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
6761
6762 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
6763
6764         * config/arc/simdext.md (vst64_insn): Update pattern.
6765         (vld32wh_insn): Likewise.
6766         (vld32wl_insn): Likewise.
6767         (vld64_insn): Likewise.
6768         (vld32_insn): Likewise.
6769
6770 2017-03-28  Marek Polacek  <polacek@redhat.com>
6771
6772         PR sanitizer/80067
6773         * fold-const.c (fold_comparison): Use protected_set_expr_location
6774         instead of SET_EXPR_LOCATION.
6775
6776 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
6777
6778         * tree.c (add_expr): Avoid name lookup warning.
6779
6780 2017-03-27  Jeff Law  <law@redhat.com>
6781
6782         PR tree-optimization/80216
6783         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
6784         function name.  Limit recursion depth.
6785         (record_temporary_equivalences): Corresponding changes.
6786
6787 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
6788
6789         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
6790         covered first.
6791
6792 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
6793
6794         PR target/80102
6795         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
6796         notes.
6797         * cfgcleanup.c (reg_note_cfa_p): New array.
6798         (insns_have_identical_cfa_notes): New function.
6799         (old_insns_match_p): Don't cross-jump in between /f
6800         and non-/f instructions.  If both i1 and i2 are frame related,
6801         verify all CFA notes, their order and content.
6802
6803 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
6804
6805         PR target/78543
6806         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
6807         HImode and SImode with zero extend to DImode to one insn.
6808         (bswap<mode>2_extenddi): Likewise.
6809         (bswapsi2_extenddi): Likewise.
6810         (bswaphi2_extendsi): Likewise.
6811         (bswaphi2): Combine bswap HImode and SImode into one insn.
6812         Separate memory insns from swapping register.
6813         (bswapsi2): Likewise.
6814         (bswap<mode>2): Likewise.
6815         (bswaphi2_internal): Delete, no longer used.
6816         (bswapsi2_internal): Likewise.
6817         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
6818         store, and gpr<-gpr swap insns.
6819         (bswap<mode>2_store): Likewise.
6820         (bswaphi2_reg): Register only splitter, combine with the splitter.
6821         (bswaphi2 splitter): Likewise.
6822         (bswapsi2_reg): Likewise.
6823         (bswapsi2 splitter): Likewise.
6824         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
6825         the insns into load, store, and register/register insns.
6826         (bswapdi2_ldbrx): Likewise.
6827         (bswapdi2_load): Likewise.
6828         (bswapdi2_store): Likewise.
6829         (bswapdi2_reg): Likewise.
6830
6831 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
6832
6833         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
6834         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
6835
6836 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6837
6838         PR target/80103
6839         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
6840         add comments.
6841         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
6842         special handling for target option conflicts between dform
6843         options (-mpower9-dform, -mpower9-dform-vector,
6844         -mpower9-dform-scalar) and -mno-direct-move.
6845
6846 2017-03-27  Richard Biener  <rguenther@suse.de>
6847
6848         PR tree-optimization/80181
6849         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
6850
6851 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
6852
6853         * config/arc/predicates.md (move_double_src_operand): Replace the
6854         call to move_double_src_operand with a call to address_operand.
6855
6856 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
6857
6858         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
6859         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
6860         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
6861
6862 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
6863
6864         * config/arc/predicates.md (long_immediate_loadstore_operand):
6865         Consider scaled addresses cases.
6866
6867 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
6868
6869         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
6870         restored when in interrupt.
6871         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
6872         doesn't have delay slot.
6873
6874 2017-03-27  Richard Biener  <rguenther@suse.de>
6875
6876         PR ipa/79776
6877         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
6878         inlined thunk clones.
6879
6880 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
6881
6882         PR sanitizer/80168
6883         * asan.c (instrument_derefs): Copy over last operand from
6884         original COMPONENT_REF to the new COMPONENT_REF with
6885         DECL_BIT_FIELD_REPRESENTATIVE.
6886         * ubsan.c (instrument_object_size): Likewise.
6887
6888 2017-03-27  Richard Biener  <rguenther@suse.de>
6889
6890         PR tree-optimization/80170
6891         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
6892         sure DR/SCEV didnt fold in constants we do not see when looking
6893         at the reference base alignment.
6894
6895 2017-03-27  Richard Biener  <rguenther@suse.de>
6896
6897         PR middle-end/80171
6898         * gimple-fold.c (fold_ctor_reference): Properly guard against
6899         NULL return value from canonicalize_constructor_val.
6900
6901 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
6902
6903         PR target/80180
6904         * config/i386/i386.c (ix86_expand_builtin)
6905         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
6906         flags reg setting and flags reg using instructions.
6907         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
6908         clobbering instructions to zero extend op2.
6909
6910 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
6911
6912         * doc/install.texi (Configuration) <--with-aix-soname>:
6913         Update link to AIX ld.
6914
6915 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
6916
6917         PR rtl-optimization/80160
6918         PR rtl-optimization/80159
6919         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
6920         reg_alternate_class into account.
6921
6922 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
6923
6924         PR target/80148
6925         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
6926         to consider in curr_insn_transform.
6927
6928 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
6929
6930         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
6931         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
6932         and emit_mode_inner.
6933
6934 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6935
6936         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
6937         argument to the overloaded builtin variants.  Use the new flag to
6938         deprecate certain builtin variants.
6939         * config/s390/s390-builtin-types.def: Add new builtin types.
6940         * config/s390/s390-builtins.h: Support new flags field for
6941         overloaded builtins.
6942         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
6943         (s390_macro_to_expand): Enable vector float data type.
6944         (s390_cpu_cpp_builtins_internal): Indicate support of the new
6945         builtins by incrementing the __VEC__ version number.
6946         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
6947         vec_xst.
6948         (s390_resolve_overloaded_builtin): Emit error messages depending
6949         on the builtin flags.
6950         * config/s390/s390.c (s390_expand_builtin): Support additional
6951         flags argument.  Change error message to match the messages
6952         emitted in s390-c.c.
6953         * config/s390/s390.md: New UNSPEC_* constants.
6954         (op_type): Add new instruction types.
6955         * config/s390/vecintrin.h: Add new builtins and test data class
6956         constants.
6957         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
6958         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
6959         (VEC_INEXACT, VEC_NOINEXACT): New constants.
6960         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
6961         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
6962         ("vec_mergel<mode>"): V_HW -> VEC_HW.
6963
6964         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
6965         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
6966         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
6967         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
6968
6969         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
6970         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
6971         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
6972         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
6973
6974         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
6975         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
6976         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
6977         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
6978         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
6979         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
6980         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
6981
6982         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
6983         ("vec_scatter_element<V_HW_4:mode>_DI")
6984         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
6985         ("vec_fpint<mode>", "vflls")
6986         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
6987         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
6988         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
6989         ("*vec_cmphe<mode>_cc"): ... these.
6990
6991         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
6992         mode constant instead of magic value.
6993
6994 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6995
6996         * config/s390/s390.c (s390_expand_vec_compare): Support other
6997         vector floating point modes than just V2DF.
6998         (s390_expand_vcond): Likewise.
6999         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
7000         (s390_cannot_change_mode_class): Prevent mode changes between TF
7001         and V1TF in vector registers.
7002         * config/s390/s390.md (DF, SF): New mode attributes.
7003         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
7004         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
7005         SFmode support for VRs.
7006         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
7007         vector fp modes.
7008         (VFT, VF_HW): New mode iterators.
7009         (vw, sdx): New mode attributes.
7010         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
7011         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
7012         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
7013         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
7014         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
7015         also the new vector floating point modes.  Renaming to ...
7016
7017         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
7018         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
7019         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
7020         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
7021         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
7022         ("vec_unordered<mode>"): ... these.
7023
7024         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
7025         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
7026         ("*vec_extendv2df"): New insn definitions.
7027
7028 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7029
7030         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
7031         ("mulditi3_2", "*muldi3_sign"): New patterns.
7032         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
7033         rename the pattern definition.
7034
7035 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7036
7037         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
7038         expander.
7039         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
7040
7041 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7042
7043         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
7044         instruction if possible.
7045         * config/s390/vector.md (vec_halfnumelts): New mode
7046         attribute.
7047         ("*vec_vllezlf<mode>"): New pattern.
7048
7049 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7050
7051         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
7052         ("popcountv4si2", "popcountv2di2"): Rename to ...
7053         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
7054         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
7055         condition.
7056         ("popcount<mode>2_vxe"): New pattern.
7057
7058 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7059
7060         * common/config/s390/s390-common.c (processor_flags_table): Add
7061         arch12.
7062         * config.gcc: Add arch12.
7063         * config/s390/driver-native.c (s390_host_detect_local_cpu):
7064         Default to arch12 for unknown CPU model numbers.
7065         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
7066         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
7067         PROCESSOR_max sanity check.
7068         * config/s390/s390-opts.h (enum processor_type): Add
7069         PROCESSOR_ARCH12.
7070         * config/s390/s390.c (processor_table): Add arch12.
7071         (s390_expand_builtin): Add check for B_VXE flag.
7072         (s390_issue_rate): Add PROCESSOR_ARCH12.
7073         (s390_get_sched_attrmask): Likewise.
7074         (s390_get_unit_mask): Likewise.
7075         (s390_sched_score): Enable z13 scheduling for arch12.
7076         (s390_sched_reorder): Likewise.
7077         (s390_sched_variable_issue): Likewise.
7078         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
7079         PF_VXE.
7080         (s390_tune_attr): Use z13 scheduling also for arch12.
7081         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
7082         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
7083         (TARGET_VXE_P): New macros.
7084         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
7085         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
7086         * config/s390/s390.opt: Add arch12 as processor_type.
7087
7088 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7089
7090         * config/s390/s390.md
7091         ("fixuns_truncdddi2", "fixuns_trunctddi2")
7092         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
7093         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
7094
7095         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
7096         Rename expanders to ...
7097
7098         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
7099         ("fixuns_truncdddi2_emu"): ... these.
7100
7101         ("fixuns_trunc<mode>si2_emu"): New expander.
7102
7103         ("*fixuns_truncdfdi2_z13"): Rename to ...
7104         ("*fixuns_truncdfdi2_vx"): ... this.
7105
7106 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7107
7108         * config/s390/2964.md: Remove the single element vector compare
7109         instructions which are no longer used.
7110         * config/s390/s390.c (s390_select_ccmode): Remove handling of
7111         vector CCmodes.
7112         (s390_canonicalize_comparison): Remove handling of DFmode
7113         compares.
7114         (s390_expand_vec_compare_scalar): Remove function.
7115         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
7116         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
7117         pattern.
7118         ("*cmp<mode>_ccs"): Add wfcdb instruction.
7119
7120 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7121
7122         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
7123         FP zero.
7124         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
7125         will anyway by matched by mov<mode>_64dfp.
7126
7127 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7128
7129         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
7130         vlef/vstef.  Add missing operand to vleif.
7131
7132 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7133
7134         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
7135         pair for all vector types with 64 bit elements.
7136         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
7137         * config/s390/vector.md (V_HW_64): ... here.
7138         (V_128_NOSINGLE): New mode iterator.
7139         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
7140         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
7141         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
7142         ("*vec_load_pairv2di"): Change to ...
7143         ("*vec_load_pair<mode>"): ... this one.
7144
7145 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7146
7147         * config/s390/constraints.md: Add comments.
7148         (jKK): Reject element sizes > 8 bytes.
7149         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
7150         s_operands.
7151         * config/s390/s390.md: Add the s_operand checks formerly in
7152         s390_split_ok_p to various splitters where they are still
7153         required.
7154         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
7155         for 128 bit vectors.  Plus two splitters.
7156
7157 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7158
7159         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
7160         the file.
7161
7162 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7163
7164         PR target/79893
7165         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
7166         error if the boundary argument is not constant.
7167
7168 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
7169
7170         PR rtl-optimization/80112
7171         * loop-doloop.c (doloop_condition_get): Don't check condition
7172         if cmp isn't SET with IF_THEN_ELSE src.
7173
7174 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7175
7176         PR tree-optimization/80158
7177         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
7178         replacing a candidate statement, also replace it for the
7179         candidate's alternate interpretation.
7180         (replace_rhs_if_not_dup): Likewise.
7181         (replace_one_candidate): Likewise.
7182
7183 2017-03-24  Richard Biener  <rguenther@suse.de>
7184
7185         PR tree-optimization/80167
7186         * graphite-isl-ast-to-gimple.c
7187         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
7188         properly.
7189         (translate_isl_ast_to_gimple::get_rename): Likewise.
7190
7191 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7192
7193         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
7194         handling of certain combinations of target options, including the
7195         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
7196         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
7197
7198 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7199
7200         PR target/71436
7201         * config/arm/arm.md (*load_multiple): Add reload_completed to
7202         matching condition.
7203
7204 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7205             Richard Biener  <rguenth@suse.de>
7206
7207         PR tree-optimization/79908
7208         PR tree-optimization/80136
7209         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
7210         been cast away, gimplify_and_add suffices.
7211
7212 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
7213
7214         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
7215
7216 2017-03-23  Richard Biener  <rguenther@suse.de>
7217
7218         PR tree-optimization/80032
7219         * gimplify.c (gimple_push_cleanup): Forced unconditional
7220         cleanups still have to go to the conditional_cleanups
7221         sequence.
7222
7223 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
7224
7225         PR tree-optimization/80072
7226         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
7227         to unsigned int.
7228         (next_operand_entry_id): Change type to unsigned int.
7229         (sort_by_operand_rank): Make sure to return the right return value
7230         even if unsigned fields are bigger than INT_MAX.
7231         (struct oecount): Change cnt and id type to unsigned int.
7232         (oecount_hasher::equal): Formatting fix.
7233         (oecount_cmp): Make sure to return the right return value
7234         even if unsigned fields are bigger than INT_MAX.
7235         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
7236
7237         PR c++/80129
7238         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
7239         TREE_READONLY on result if writing it more than once.
7240
7241         PR sanitizer/80110
7242         * doc/invoke.texi (-fsanitize=thread): Document that with
7243         -fnon-call-exceptions atomics are not able to throw
7244         exceptions.
7245
7246         PR sanitizer/80110
7247         * tsan.c: Include tree-eh.h.
7248         (instrument_builtin_call): Call maybe_clean_eh_stmt or
7249         maybe_clean_or_replace_eh_stmt where needed.
7250         (instrument_memory_accesses): Add cfg_changed argument.
7251         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
7252         if it returned true.
7253         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
7254
7255         PR rtl-optimization/63191
7256         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
7257         wrapper function, moved the whole old content into ...
7258         (ix86_delegitimize_address_1): ... this.  New inline function.
7259         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
7260         true as last argument instead of ix86_delegitimize_address.
7261
7262 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
7263
7264         * config/aarch64/aarch64.c (generic_branch_cost): Copy
7265         cortexa57_branch_cost.
7266
7267 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
7268
7269         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
7270
7271 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
7272
7273         PR target/80123
7274         * doc/md.texi (Constraints): Document wA constraint.
7275         * config/rs6000/constraints.md (wA): New.
7276         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
7277         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
7278         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
7279         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
7280
7281 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
7282
7283         PR c++/80029
7284         * gimplify.c (is_oacc_declared): New function.
7285         (oacc_default_clause): Use it to set default flags for acc declared
7286         variables inside parallel regions.
7287         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
7288         declared variables.
7289         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
7290         declare attribute to any decl as necessary.
7291
7292 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7293
7294         PR target/80082
7295         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
7296         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
7297         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
7298         (arm_arch_lpae): This.
7299         * config/arm/arm.c (arm_arch7ve): Rename into ...
7300         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
7301         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
7302         arm_arch_lpae.
7303
7304 2017-03-22  Martin Liska  <mliska@suse.cz>
7305
7306         PR target/79906
7307         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
7308         error message instead of an ICE.
7309
7310 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7311
7312         * doc/extend.texi (6.11 Additional Floating Types): Revise.
7313
7314 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7315
7316         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
7317         comments.
7318         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
7319         comments.
7320
7321 2017-03-21  Martin Sebor  <msebor@redhat.com>
7322
7323         * doc/extend.texi: Use "cannot" instead of "can't."
7324         * doc/hostconfig.texi: Same.
7325         * doc/install.texi: Same.
7326         * doc/invoke.texi: Same.
7327         * doc/loop.texi: Same.
7328         * doc/md.texi: Same.
7329         * doc/objc.texi: Same.
7330         * doc/rtl.texi: Same.
7331         * doc/tm.texi: Same.
7332         * doc/tm.texi.in: Same.
7333         * doc/trouble.texi: Same.
7334
7335 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
7336
7337         PR debug/63238
7338         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
7339         (collect_checksum_attributes): Set it.
7340         (die_checksum_ordered): Use it.
7341
7342 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7343
7344         PR tree-optimization/79908
7345         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
7346         change: For a VA_ARG whose LHS has been cast away, use
7347         force_gimple_operand to construct the side effects.
7348
7349 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
7350
7351         PR translation/80001
7352         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
7353         more amenable to translation.
7354         (oacc_loop_auto_partitions): Likewise.
7355
7356 2017-03-21  Marek Polacek  <polacek@redhat.com>
7357             Martin Sebor  <msebor@redhat.com>
7358
7359         PR tree-optimization/80109
7360         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
7361         on INTEGRAL_TYPE_P.
7362
7363 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
7364             Segher Boessenkool  <segher@kernel.crashing.org>
7365
7366         PR target/80125
7367         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
7368         check reg_used_between_p between insn and one of succ or succ2
7369         depending on if succ is artificial insn not inserted into insn
7370         stream.
7371
7372 2017-03-21  Martin Liska  <mliska@suse.cz>
7373
7374         PR gcov-profile/80081
7375         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
7376         * doc/gcc.texi: Include gcov-dump stuff.
7377         * doc/gcov-dump.texi: New file.
7378
7379 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
7380
7381         PR rtl-optimization/79150
7382         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
7383         conditional jump, if the jump is the last insn of the loop.
7384
7385 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7386             Richard Biener  <rguenth@suse.de>
7387
7388         PR tree-optimization/79908
7389         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
7390         been cast away, use force_gimple_operand to construct the side
7391         effects.
7392
7393 2017-03-21  Martin Liska  <mliska@suse.cz>
7394
7395         PR libfortran/79956
7396         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
7397         to NULL.
7398
7399 2017-03-21  Brad Spengler <spender@grsecurity.net>
7400
7401         PR plugins/80094
7402         * plugin.c (htab_hash_plugin): New function.
7403         (add_new_plugin): Use it and adjust.
7404         (parse_plugin_arg_opt): Adjust.
7405         (init_one_plugin): Likewise.
7406
7407 2017-03-21  Richard Biener  <rguenther@suse.de>
7408
7409         PR tree-optimization/80032
7410         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
7411         if set force the cleanup to happen unconditionally.
7412         (gimplify_target_expr): Push inserted clobbers with force_uncond
7413         to avoid them being removed by control-dependent DCE.
7414
7415 2017-03-21  Richard Biener  <rguenther@suse.de>
7416
7417         PR tree-optimization/80122
7418         * tree-inline.c (copy_bb): Do not expans va-arg packs or
7419         va_arg_pack_len when the inlined call stmt requires pack
7420         expansion itself.
7421         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
7422
7423 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
7424
7425         PR sanitizer/78158
7426         * tsan.c (instrument_builtin_call): If the memory model argument
7427         is not a constant, assume it is valid.
7428
7429         PR c/67338
7430         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
7431         avoid UB.
7432
7433 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
7434
7435         PR rtl-optimization/79910
7436         * combine.c (can_combine_p): Do not allow combining an I0 or I1
7437         if its dest is used by an insn before I2 (other than the combined
7438         insns themselves, which are properly handled already).
7439
7440 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
7441
7442         Revert:
7443         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
7444
7445         * combine.c (record_used_regs): New static function.
7446         (try_combine): Handle situations where there is an additional
7447         instruction between I2 and I3 which needs to have a LOG_LINK
7448         updated.
7449
7450         Revert:
7451         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
7452
7453         * combine.c (try_combine): Delete redundant i1 test.  Call
7454         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
7455
7456 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
7457
7458         PR target/80083
7459         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
7460         alternatives 13/14.
7461
7462 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7463
7464         PR tree-optimization/80054
7465         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
7466         the optimization if a PHI or any of its arguments is not dominated
7467         by the candidate's basis.  Use gphi* rather than gimple* as
7468         appropriate.
7469         (replace_profitable_candidates): Clean up a gimple* variable that
7470         should be a gphi* variable.
7471
7472 2017-03-20  Martin Sebor  <msebor@redhat.com>
7473
7474         PR c++/52477
7475         * doc/extend.texi (attribute constructor): Document present limitation.
7476
7477 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7478
7479         PR target/79963
7480         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
7481         __POWER9_VECTOR__ #ifdef control, change template definition to
7482         use Power9-specific built-in function.
7483         (vec_any_eq): Likewise.
7484         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
7485         to control outcomes from this test.
7486         (vector_ae_<mode>p): For VEC_F modes, likewise.
7487
7488 2017-03-20  Ian Lance Taylor  <iant@google.com>
7489
7490         * config/i386/i386.c (ix86_function_regparm): Save an extra
7491         register for -fsplit-stack with DECL_STATIC_CHAIN.
7492
7493 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
7494
7495         PR target/79912
7496         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
7497         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
7498
7499 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
7500
7501         * config/riscv/riscv.c (riscv_print_operand): Use "fence
7502         iorw,ow".
7503         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
7504         iorw,iorw".
7505
7506 2017-03-20  Marek Polacek  <polacek@redhat.com>
7507
7508         PR sanitizer/80063
7509         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
7510
7511 2017-03-20  Richard Biener  <rguenther@suse.de>
7512
7513         PR tree-optimization/80113
7514         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
7515         allocate extra SSA name for PHI def.
7516         (add_close_phis_to_outer_loops): Likewise.
7517         (add_close_phis_to_merge_points): Likewise.
7518         (copy_loop_close_phi_args): Likewise.
7519         (copy_cond_phi_nodes): Likewise.
7520
7521 2017-03-20  Martin Liska  <mliska@suse.cz>
7522
7523         PR middle-end/79753
7524         * tree-chkp.c (chkp_build_returned_bound): Do not build
7525         returned bounds for a LHS that's not a BOUNDED_P type.
7526
7527 2017-03-20  Martin Liska  <mliska@suse.cz>
7528
7529         PR target/79769
7530         PR target/79770
7531         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
7532         COMPLEX_CST and VECTOR_CST.
7533
7534 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7535
7536         PR target/78857
7537         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
7538         target operand.  A new splitter adds the clobber statement in case
7539         the target operand is dead anyway.
7540
7541 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
7542
7543         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
7544         to age-old versions of binutils and glibc.
7545
7546 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
7547
7548         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
7549
7550 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
7551
7552         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
7553
7554 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
7555
7556         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
7557         requirement for binutils 2.13.
7558
7559 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
7560
7561         * combine.c (try_combine): Delete redundant i1 test.  Call
7562         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
7563
7564 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
7565
7566         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
7567         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
7568         contents.
7569         <riscv64-*-elf>: Re-arrange section
7570         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
7571         <riscv32-*-linux>: Likewise.
7572         <riscv64-*-elf>: Likewise
7573         <riscv64-*-linux>: Likewise.
7574
7575 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
7576
7577         PR target/80052
7578         * aarch64.opt(verbose-cost-dump): Fix typo.
7579
7580 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
7581
7582         PR target/79951
7583         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
7584         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
7585
7586 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
7587
7588         * reload.c (find_reloads): When reloading a nonoffsettable address,
7589         use RELOAD_OTHER for it and its address reloads.
7590
7591         PR rtl-optimization/79910
7592         * combine.c (record_used_regs): New static function.
7593         (try_combine): Handle situations where there is an additional
7594         instruction between I2 and I3 which needs to have a LOG_LINK
7595         updated.
7596
7597 2017-03-17  Jeff Law  <law@redhat.com>
7598
7599         PR tree-optimization/71437
7600         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
7601         conditional in the hash table first.
7602         (vrp_dom_walker::before_dom_children): Extract condition from
7603         ASSERT_EXPR.  Record condition, its inverion and any implied
7604         conditions as well.
7605
7606 2017-03-17  Marek Polacek  <polacek@redhat.com>
7607             Markus Trippelsdorf  <markus@trippelsdorf.de>
7608
7609         PR tree-optimization/80079
7610         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
7611         m_stores_head.
7612
7613 2017-03-17  Richard Biener  <rguenther@suse.de>
7614
7615         PR middle-end/80075
7616         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
7617         Properly verify the LHS before the RHS possibly claims to be
7618         handled.
7619         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
7620         do not throw.
7621
7622 2017-03-17  Martin Jambor  <mjambor@suse.cz>
7623
7624         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
7625         (List of -O2 options): Likewise.
7626         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
7627         (-fipa-vrp) New.
7628
7629 2017-03-17  Tom de Vries  <tom@codesourcery.com>
7630
7631         * gcov-dump.c (print_usage): Print bug_report_url.
7632
7633 2017-03-17  Richard Biener  <rguenther@suse.de>
7634
7635         PR middle-end/80050
7636         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
7637         (parser::peek): Likewise.
7638
7639 2017-03-17  Richard Biener  <rguenther@suse.de>
7640
7641         PR tree-optimization/80048
7642         * sese.c (free_sese_info): Properly release rename_map and
7643         copied_bb_map elements.
7644
7645 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
7646
7647         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
7648         Add linked-list forward and backlinks.  Insert on
7649         construction, remove on destruction.
7650         (class pass_store_merging): Add m_stores_head field.
7651         (pass_store_merging::terminate_and_process_all_chains):
7652         Iterate over m_stores_head list.
7653         (pass_store_merging::terminate_all_aliasing_chains):
7654         Likewise.
7655         (pass_store_merging::execute): Check for debug stmts first.
7656         Push new chains onto the m_stores_head stack.
7657
7658 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
7659
7660         PR target/71294
7661         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
7662         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
7663         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
7664
7665 2017-03-16  Jeff Law  <law@redhat.com>
7666
7667         PR tree-optimization/71437
7668         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
7669         member function.  Implementation moved into after_dom_children
7670         member function and into the threader's thread_outgoing_edges
7671         function.
7672         (dom_opt_dom_walker::after_dom_children): Simplify by moving
7673         some code into new thread_outgoing_edges.
7674         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
7675         definition.  Simplify marker handling (do it here).   Assume we always
7676         have the available expression and the const/copies tables.
7677         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
7678         and tree-vrp.c
7679         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
7680         * tree-vrp.c (equiv_stack): No longer file scoped.
7681         (vrp_dom_walker): New class.
7682         (vrp_dom_walker::before_dom_children): New member function.
7683         (vrp_dom_walker::after_dom_children): Likewise.
7684         (identify_jump_threads):  Setup domwalker.  Use it rather than
7685         walking edges in a random order by hand.  Simplify setup/finalization.
7686         (finalize_jump_threads): Remove.
7687         (vrp_finalize): Do not call identify_jump_threads here.
7688         (execute_vrp): Do it here instead and call thread_through_all_blocks
7689         here too.
7690
7691         PR tree-optimization/71437
7692         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
7693         callers changed.
7694         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
7695         callers changed.
7696         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
7697         (dom_opt_dom_walker::thread_across_edge): Remove
7698         handle_dominating_asserts argument.  All callers changed.
7699         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
7700         changes.  Remove calls to lhs_of_dominating_assert.  Other
7701         uses of handle_dominating_asserts turn into unconditional code
7702         (simplify_control_stmt_condition_1): Likewise.
7703         (simplify_control_stmt_condition): Likewise.
7704         (thread_through_normal_block, thread_across_edge): Likewise.
7705         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
7706         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
7707         object if it is not an SSA_NAME.
7708         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
7709         before calling into the VRP specific simplifiers.
7710         (identify_jump_threads): Remove handle_dominating_asserts
7711         argument.
7712
7713 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
7714
7715         PR fortran/79886
7716         * tree-diagnostic.c (default_tree_printer): No longer static.
7717         * tree-diagnostic.h (default_tree_printer): New prototype.
7718
7719 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
7720
7721         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
7722         Change ins into fmov.
7723
7724 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7725
7726         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
7727         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
7728         Use h_con constraint for operand 1.
7729         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
7730         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
7731
7732 2017-03-15  Jeff Law  <law@redhat.com>
7733
7734         PR tree-optimization/71437
7735         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
7736         (record_temporary_equivalences): Use it.
7737
7738         PR tree-optimization/71437
7739         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
7740         tree-ssa-scopedtables.
7741         (lookup_avail_expr, build_and_record_new_cond): Likewise.
7742         (record_conditions, record_cond, vuse_eq): Likewise.
7743         (record_edge_info): Adjust to API tweak of record_conditions.
7744         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
7745         (record_temporary_equivalences, optimize_stmt): Likewise.
7746         (eliminate_redundant_computations): Likewise.
7747         (record_equivalences_from_stmt): Likewise.
7748         * tree-ssa-scopedtables.c: Include options.h and params.h.
7749         (vuse_eq): New function, moved from tree-ssa-dom.c
7750         (build_and_record_new_cond): Likewise.
7751         (record_conditions): Likewise.  Accept vector of conditions rather
7752         than edge_equivalence structure for first argument.
7753         for the first argument.
7754         (avail_exprs_stack::lookup_avail_expr): New member function, moved
7755         from tree-ssa-dom.c.
7756         (avail_exprs_stack::record_cond): Likewise.
7757         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
7758         from tree-ssa-dom.c.
7759         (avail_exprs_stack): Add new member functions lookup_avail_expr
7760         and record_cond.
7761         (record_conditions): Declare.
7762
7763 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
7764
7765         PR target/80017
7766         * lra-constraints.c (process_alt_operands): Increase reject for
7767         reloading an input/output operand.
7768
7769 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
7770
7771         PR target/79038
7772         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
7773         insns to convert from signed/unsigned char/short to IEEE 128-bit
7774         floating point.
7775         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
7776
7777 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
7778
7779         PR target/80019
7780         * config/i386/i386.c (ix86_vector_duplicate_value): Create
7781         subreg of inner mode for values already in registers.
7782
7783 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
7784
7785         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
7786         iteration reg is used after the loop.
7787
7788 2017-03-14  Martin Sebor  <msebor@redhat.com>
7789
7790         PR tree-optimization/79800
7791         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
7792         precision in negative-positive range.
7793         (format_floating): Call non-const overload with adjusted precision.
7794
7795 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
7796
7797         PR target/79947
7798         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
7799         -mpowerpc-gfxopt.
7800
7801 2017-03-14  Martin Sebor  <msebor@redhat.com>
7802
7803         PR middle-end/80020
7804         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
7805         * builtins.def (aligned_alloc): Use it.
7806
7807         PR c/79936
7808         * Makefile.in (GTFILES): Add calls.c.
7809         * calls.c: Include "gt-calls.h".
7810
7811 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
7812
7813         PR rtl-optimization/79728
7814         * regs.h (struct target_regs): New field
7815         x_contains_allocatable_regs_of_mode.
7816         (contains_allocatable_regs_of_mode): New macro.
7817         * reginfo.c (init_reg_sets_1): Initialize it, and change
7818         contains_reg_of_mode so it includes global regs as well.
7819         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
7820         rather than contains_regs_of_mode.
7821
7822 2017-03-14  Martin Liska  <mliska@suse.cz>
7823
7824         * doc/invoke.texi: Document options that can't be combined with
7825         -fcheck-pointer-bounds.
7826
7827 2017-03-14  Martin Liska  <mliska@suse.cz>
7828
7829         PR middle-end/79831
7830         * doc/invoke.texi (-Wchkp): Document the option.
7831
7832 2017-03-14  Martin Liska  <mliska@suse.cz>
7833
7834         * Makefile.in: Install gcov-dump.
7835
7836 2017-03-14  Martin Liska  <mliska@suse.cz>
7837
7838         * multiple_target.c (expand_target_clones): Bail out for
7839         an invalid attribute.
7840
7841 2017-03-14  Richard Biener  <rguenther@suse.de>
7842
7843         * alias.c (struct alias_set_entry): Pack properly.
7844         * cfgloop.h (struct loop): Likewise.
7845         * cse.c (struct set): Likewise.
7846         * ipa-utils.c (struct searchc_env): Likewise.
7847         * loop-invariant.c (struct invariant): Likewise.
7848         * lra-remat.c (struct cand): Likewise.
7849         * recog.c (struct change_t): Likewise.
7850         * rtl.h (struct address_info): Likewise.
7851         * symbol-summary.h (function_summary): Likewise.
7852         * tree-loop-distribution.c (struct partition): Likewise.
7853         * tree-object-size.c (struct object_size_info): Likewise.
7854         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
7855         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
7856         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
7857         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
7858         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
7859         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
7860         (struct _stmt_vec_info): Likewise.
7861
7862 2017-03-14  Martin Liska  <mliska@suse.cz>
7863
7864         PR target/79892
7865         * multiple_target.c (create_dispatcher_calls): Check that
7866         a target can create a function dispatcher.
7867
7868 2017-03-14  Martin Liska  <mliska@suse.cz>
7869
7870         PR lto/66295
7871         * multiple_target.c (expand_target_clones): Drop local.local
7872         flag for default implementation.
7873
7874 2017-03-14  Richard Biener  <rguenther@suse.de>
7875
7876         PR tree-optimization/80030
7877         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
7878
7879 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
7880
7881         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
7882         gcc_fallthrough() instead of __attribute__((fallthrough));
7883
7884 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
7885
7886         * doc/gcc.texi: Remove "up" link to (DIR).
7887         * doc/gccint.texi: Ditto.
7888
7889 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
7890
7891         * doc/install.texi (Specific) <avr>: Remove reference to
7892         binutils 2.13.
7893
7894 2017-03-13  Jeff Law  <law@redhat.com>
7895
7896         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
7897         attribute rather than comments.
7898
7899         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
7900         match_scratch operand is highest.
7901
7902 2017-03-13  Martin Liska  <mliska@suse.cz>
7903
7904         PR middle-end/78339
7905         * ipa-pure-const.c (warn_function_noreturn): If the declarations
7906         is a CHKP clone, use original declaration.
7907
7908 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
7909
7910         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
7911         (arc_conditional_register_usage): Use a different allocation order
7912         when optimizing for size.
7913         * common/config/arc/arc-common.c (arc_option_optimization_table):
7914         Section anchors default on when optimizing for size.
7915
7916 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
7917
7918         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
7919
7920 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
7921
7922         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
7923         * config/arc/arc.md (cpu_facility): Add cd variant.
7924         (*movqi_insn): Add code density variant.
7925         (*movhi_insn): Likewise.
7926         (*movqi_insn): Likewise.
7927         (*addsi3_mixed): Likewise.
7928         (subsi3_insn): Likewise.
7929
7930 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
7931
7932         * config/arc/arc.md (movsi_cond_exec): Update constraint.
7933
7934 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
7935
7936         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
7937         expressions with MINUS and UNARY ops.
7938
7939 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7940
7941         PR target/79911
7942         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
7943         Rename to...
7944         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
7945         between vec_select and vector argument.
7946         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
7947         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
7948         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
7949         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
7950         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
7951         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
7952
7953 2017-03-13  Richard Biener  <rguenther@suse.de>
7954
7955         PR other/79991
7956         * params.def (vect-max-peeling-for-alignment): Fix typo.
7957
7958 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
7959
7960         * doc/install.texi (Specific) <mips-*-*>: Remove description of
7961         issue that only occurred with binutils below 2.18.
7962
7963 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
7964
7965         * doc/install.texi (Specific) <cris-axis-elf>: No longer
7966         refer to binutils 2.11/2.12 minimum.
7967
7968 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
7969
7970         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
7971         ftp.kernel.org and simplify binutils requirement.
7972
7973 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
7974
7975         * doc/invoke.texi (Warning Options): Fix spelling of link-time
7976         optimization.
7977         (Optimize Options): Ditto.  Also remove redundancy.
7978
7979 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
7980
7981         PR translation/79848
7982         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
7983         "%qs".
7984         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
7985         to G_ to avoid double translation.
7986
7987 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
7988
7989         PR translation/79923
7990         * auto-profile.c (get_combined_location): Convert leading
7991         character of diagnostics to lower case and remove trailing period.
7992         (read_profile): Likewise for various diagnostics.
7993         * config/arm/arm.c (arm_option_override): Remove trailing period
7994         from various diagnostics.
7995         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
7996         (msp430_expand_delay_cycles): Likewise.
7997
7998 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
7999
8000         PR target/79925
8001         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
8002         full command-line argument, rather than just "str".
8003         (aarch64_validate_march): Likewise.
8004         (aarch64_validate_mtune): Likewise.
8005
8006 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
8007
8008         PR rtl-optimization/78911
8009         * lra-assigns.c (must_not_spill_p): New function.
8010         (spill_for): Use it.
8011
8012 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
8013
8014         PR tree-optimization/79981
8015         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
8016         ATOMIC_COMPARE_EXCHANGE ifn result.
8017         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
8018         IFN_ATOMIC_COMPARE_EXCHANGE.
8019
8020 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
8021
8022         PR driver/79875
8023         * opts.c (parse_sanitizer_options): Add missing question mark to
8024         "did you mean" message.
8025
8026 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8027
8028         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
8029         built-in.
8030         (VMULEUH_UNS): Likewise.
8031         (VMULOUB_UNS): Likewise.
8032         (VMULOUH_UNS): Likewise.
8033         * config/rs6000/rs6000.c (builtin_function_type): Remove
8034         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
8035
8036 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
8037
8038         PR bootstrap/79952
8039         * read-rtl-function.c (function_reader::read_rtx_operand): Update
8040         x with result of extra_parsing_for_operand_code_0.
8041         (function_reader::extra_parsing_for_operand_code_0): Convert
8042         return type from void to rtx, returning x.  When reading
8043         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
8044         larger size containing struct block_symbol.
8045
8046 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
8047
8048         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
8049         -mfloat128-hardware without -m64.
8050
8051 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
8052
8053         PR target/79941
8054         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
8055         entries to the case statement that marks unsigned arguments to
8056         overloaded functions.
8057
8058 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8059
8060         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
8061         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
8062
8063 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
8064
8065         PR target/79907
8066         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
8067         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
8068
8069 2017-03-10  Martin Liska  <mliska@suse.cz>
8070
8071         PR target/65705
8072         PR target/69804
8073         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
8074         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
8075         FIELD != NULL.
8076
8077 2017-03-10  Olivier Hainque  <hainque@adacore.com>
8078
8079         * tree-switch-conversion (array_value_type): Start by resetting
8080         candidate type to it's main variant.
8081
8082 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
8083
8084         PR rtl-optimization/79909
8085         * combine.c (try_combine): Use simplify_replace_rtx on individual
8086         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
8087         of the whole CALL_INSN_FUNCTION_USAGE.
8088
8089         PR tree-optimization/79972
8090         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
8091         get_range_info on SSA_NAMEs.  Formatting fixes.
8092
8093 2017-03-10  Richard Biener  <rguenther@suse.de>
8094             Jakub Jelinek  <jakub@redhat.com>
8095
8096         PR tree-optimization/77975
8097         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
8098         edge to be constant.
8099         (get_val_for): For constant x return it.  Formatting fix.
8100         (loop_niter_by_eval): Avoid pointless looping if the next iteration
8101         would use the same bases as the current one.
8102
8103 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8104
8105         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
8106         instead of vec_select for V1TImode.
8107         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
8108         longer needed.
8109         (VSX_LE_128): Add V1TI to this mode iterator.
8110         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
8111         (*vsx_le_perm_store_<mode>): Likewise.
8112         (pre-reload splitter for VSX stores): Likewise.
8113         (post-reload splitter for VSX stores): Likewise.
8114         (*vsx_xxpermdi2_le_<mode>): Likewise.
8115         (*vsx_lxvd2x2_le_<mode>): Likewise.
8116         (*vsx_stxvd2x2_le_<mode>): Likewise.
8117
8118 2017-03-09  Michael Eager  <eager@eagercon.com>
8119
8120         Correct failures with --enable-checking=yes,rtl.
8121
8122         * config/microblaze/microblaze.c (microblaze_expand_shift):
8123         Replace GET_CODE test with CONST_INT_P and INTVAL test with
8124         test for const0_rtx.
8125         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
8126         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
8127
8128 2017-03-09  Richard Biener  <rguenther@suse.de>
8129
8130         PR tree-optimization/79977
8131         * graphite-scop-detection.c (scop_detection::merge_sese):
8132         Handle the case of extra exits to blocks dominating the entry.
8133
8134 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
8135
8136         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
8137         Document rdynamic.
8138
8139 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
8140
8141         PR rtl-optimization/79949
8142         * lra-constraints.c (process_alt_operands): Check memory when
8143         trying to predict a cycle.  Print about the overall increase.
8144
8145 2017-03-09  Richard Biener  <rguenther@suse.de>
8146
8147         PR middle-end/79971
8148         * gimple-expr.c (useless_type_conversion_p): Preserve
8149         TYPE_SATURATING for fixed-point types.
8150
8151 2017-03-09  Richard Biener  <rguenther@suse.de>
8152
8153         PR ipa/79970
8154         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
8155         alignment of BLKmode params.
8156
8157 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8158
8159         PR target/79913
8160         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
8161         (VALL_NO_V2Q): Likewise.
8162         (VDQF_DF): Delete.
8163         * config/aarch64/aarch64-simd.md
8164         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
8165         iterator.
8166         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
8167         VALL_NO_V2Q mode iterator.
8168         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
8169
8170 2017-03-09  Martin Liska  <mliska@suse.cz>
8171
8172         PR tree-optimization/79631
8173         * tree-chkp-opt.c (chkp_is_constant_addr): Call
8174         tree_int_cst_sign_bit just for INTEGER constants.
8175
8176 2017-03-09  Martin Liska  <mliska@suse.cz>
8177
8178         PR target/65705
8179         PR target/69804
8180         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
8181         sanitizers.
8182
8183 2017-03-09  Marek Polacek  <polacek@redhat.com>
8184
8185         PR c++/79672
8186         * tree.c (inchash::add_expr): Handle TREE_VEC.
8187
8188 2017-03-09  Martin Liska  <mliska@suse.cz>
8189
8190         PR ipa/79764
8191         (chkp_narrow_size_and_offset): New function.
8192         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
8193         (void chkp_parse_bit_field_ref): New function.
8194         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
8195         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
8196
8197 2017-03-09  Martin Liska  <mliska@suse.cz>
8198
8199         PR ipa/79761
8200         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
8201         (chkp_find_bounds_1): Remove gcc_unreachable.
8202
8203 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
8204
8205         PR sanitizer/79944
8206         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
8207         BUILT_IN_SYNC*, determine the access type from the size suffix and
8208         always build a MEM_REF with that type.  Handle forgotten
8209         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
8210
8211         PR target/79932
8212         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
8213         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
8214         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
8215         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
8216         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
8217         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
8218         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
8219         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
8220         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
8221         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
8222         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
8223         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
8224         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
8225         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
8226         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
8227         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
8228         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
8229         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
8230         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
8231         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
8232         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
8233         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
8234         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
8235         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
8236         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
8237         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
8238         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
8239         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
8240         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
8241         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
8242         definitions outside of __OPTIMIZE__ guarded section.
8243
8244         PR target/79932
8245         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
8246         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
8247         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
8248         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
8249         guarded section.
8250
8251 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8252
8253         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
8254         ("vfenez<mode>"): Add missing constraints.
8255
8256 2017-03-08  Martin Sebor  <msebor@redhat.com>
8257
8258         PR target/79928
8259         * config/nds32/nds32.c (nds32_option_override):
8260         Fix misspelled diagnostic.
8261
8262 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
8263
8264         PR c/79940
8265         * gimplify.c (gimplify_omp_for): Replace index var in outer
8266         taskloop statement with an artificial variable and add
8267         OMP_CLAUSE_PRIVATE clause for it.
8268
8269 2017-03-08  Richard Biener  <rguenther@suse.de>
8270
8271         PR tree-optimization/79955
8272         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
8273         for accesses that are completely outside of the variable.
8274
8275 2017-03-08  Andrew Haley  <aph@redhat.com>
8276
8277         PR tree-optimization/79943
8278         * tree-ssa-loop-split.c (compute_new_first_bound): When
8279         calculating the new upper bound, (END-BEG) should be added, not
8280         subtracted.
8281
8282 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
8283
8284         * config/avr/avr.md (setmemhi): Make sure match_dup
8285         operand number comes before match_scratch.
8286
8287 2017-03-08  Richard Biener  <rguenther@suse.de>
8288
8289         PR tree-optimization/79920
8290         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
8291         with ncopies == 1 to ...
8292         (vect_transform_slp_perm_load): ... here.  Properly compute
8293         all element loads by iterating VF times over the group.  Do
8294         not handle ncopies (computed in a broken way) in
8295         vect_create_mask_and_perm.
8296
8297 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
8298
8299         PR sanitizer/79904
8300         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
8301         is a uniform vector, use uniform_vector_p return value instead of
8302         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
8303
8304 2017-03-07  Marek Polacek  <polacek@redhat.com>
8305
8306         PR middle-end/79809
8307         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
8308         (alloca_call_type): Likewise.
8309
8310 2017-03-07  Martin Liska  <mliska@suse.cz>
8311
8312         * gcov.c (process_args): Put comment to correct location.
8313
8314 2017-03-07  Martin Liska  <mliska@suse.cz>
8315
8316         PR middle-end/68270
8317         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
8318         Use array_at_struct_end_p instead of DECL_CHAIN (field).
8319         (chkp_narrow_bounds_for_field): Likewise.
8320         (chkp_parse_array_and_component_ref): Pass one more argument to
8321         call.
8322
8323 2017-03-07  Richard Biener  <rguenther@suse.de>
8324
8325         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
8326         preheaders.
8327
8328 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
8329
8330         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
8331         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
8332
8333 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8334
8335         PR c/79855
8336         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
8337         to end of description.
8338         (PARAM_MAX_STORES_TO_MERGE): Likewise.
8339
8340 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
8341
8342         PR rtl-optimization/79901
8343         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
8344         ...
8345         (*avx512f_<code><mode>3<mask_name>): ... this.
8346         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
8347         iterator instead of VI8_AVX2_AVX512BW.
8348
8349         PR rtl-optimization/79901
8350         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
8351         min/max expander, expand it using expand_vec_cond_expr.
8352
8353         PR sanitizer/79897
8354         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
8355         temporary.
8356
8357 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
8358
8359         PR c++/79821
8360         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
8361         to void * for PCH reasons.
8362         * dwarf2out.c (output_loc_operands, output_die): Cast
8363         v.val_vec.array to unsigned char *.
8364
8365 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
8366
8367         PR target/77850
8368         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
8369         vector types.
8370
8371 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
8372
8373         PR rtl-optimization/79571
8374         * lra-constraints.c (process_alt_operands): Calculate static
8375         reject and subtract it from overall when only addresses will be
8376         reloaded.
8377
8378 2017-03-06  Julia Koval  <julia.koval@intel.com>
8379
8380         PR target/79793
8381         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
8382         incoming stack boundary to 128 for 64-bit targets.
8383
8384 2017-03-06  Richard Biener  <rguenther@suse.de>
8385
8386         PR tree-optimization/79894
8387         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
8388         to NULL after folding it.
8389
8390 2017-03-06  Richard Biener  <rguenther@suse.de>
8391
8392         PR tree-optimization/79824
8393         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
8394         check disabling peeling for gaps.
8395
8396 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
8397
8398         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
8399         attributes): Document gettimeofday.
8400
8401 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
8402
8403         * config/s390/s390.c (s390_option_override_internal): Set
8404         PARAM_MIN_VECT_LOOP_BOUND
8405
8406 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
8407
8408         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
8409         * config/s390/s390.md: Likewise.
8410
8411 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
8412
8413         PR target/79812
8414         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
8415         (<avx2_avx512>_perm<mode>): Rename to ...
8416         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
8417         of VI8F_256_512.
8418         (<avx512>_perm<mode>_mask): Rename to ...
8419         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
8420         of VI8F_256_512.
8421         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
8422         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
8423         instead of VI8F_256_512.
8424         (avx512f_perm<mode>): New define_expand.
8425         (avx512f_perm<mode>_mask): Likewise.
8426         (avx512f_perm<mode>_1<mask_name>): New define_insn.
8427         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
8428
8429 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
8430
8431         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
8432         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
8433         if_then_else.
8434         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
8435
8436 2017-03-06  Martin Liska  <mliska@suse.cz>
8437
8438         PR sanitize/79783
8439         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
8440         when having a SSA NAME w/o VAR_DECL assigned to it.
8441
8442 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
8443
8444         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
8445         msa_dpsub_<su>_d): Fix MODE for vec_select.
8446
8447 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
8448
8449         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
8450         argument.
8451         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
8452
8453 2017-03-06  Richard Biener  <rguenther@suse.de>
8454
8455         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
8456         * plugin.c (register_plugin_info): Likewise.
8457         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
8458
8459 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
8460
8461         * config/i386/sse.md (sse_storehps, sse_storelps,
8462         avx_<castmode><avxsizesuffix>_<castmode>,
8463         avx512f_<castmode><avxsizesuffix>_<castmode>,
8464         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
8465         in condition that at least one operand is not a MEM.
8466
8467 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
8468
8469         PR middle-end/79805
8470         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
8471         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
8472         ECF_NOTHROW.
8473         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
8474         gimple_call_nothrow_p flag based on whether original builtin can throw.
8475         If it can, emit following stmts on the fallthrough edge.
8476         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
8477         don't create new bb if inserting just debug stmts on the edge, try to
8478         insert them on the fallthru bb or just reset debug stmts.
8479
8480 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
8481
8482         PR target/43763
8483         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
8484         restore recog_data (including the operand rtxes inside it) around
8485         the call to get_insn_template.
8486
8487 2017-03-03  Martin Sebor  <msebor@redhat.com>
8488
8489         PR tree-optimization/79699
8490         * context.c (context::~context): Free MPFR caches to avoid
8491         a memory leak on program exit.
8492
8493 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8494
8495         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
8496         Use wide_int::ulow () instead of .elt (0).
8497
8498 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
8499
8500         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
8501         (*pushxf): Limit oF constraint to 32bit targets and add oC
8502         constraint for 64bit targets.
8503         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
8504         (*pushdf): Change rmF constraint to rmC.
8505
8506 2017-03-03  Martin Liska  <mliska@suse.cz>
8507
8508         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
8509         Remove unused variable.
8510
8511 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
8512
8513         PR target/79807
8514         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
8515         is a memory operand, increase num_memory.
8516         (ix86_expand_args_builtin): Likewise.
8517
8518 2017-03-03  Jan Hubicka  <jh@suse.cz>
8519
8520         PR lto/79760
8521         * ipa-devirt.c (maybe_record_node): Properly handle
8522         __cxa_pure_virtual visibility.
8523
8524 2017-03-03  Martin Liska  <mliska@suse.cz>
8525
8526         PR tree-optimization/79803
8527         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
8528         assert.
8529         (pass_loop_prefetch::execute): Disabled optimization if an
8530         assumption about L1 cache size is not met.
8531
8532 2017-03-03  Martin Liska  <mliska@suse.cz>
8533
8534         PR rtl-optimization/79574
8535         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
8536         (hash_scan_set): Likewise.
8537         (dump_hash_table): Likewise.
8538         (hoist_code): Likewise.
8539
8540 2017-03-03  Richard Biener  <rguenther@suse.de>
8541
8542         * fixed-value.c (fixed_from_string): Restore use of elt (1)
8543         in place of uhigh ().
8544         (fixed_convert_from_real): Likewise.
8545
8546 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
8547
8548         PR target/79514
8549         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
8550
8551 2017-03-03  Richard Biener  <rguenther@suse.de>
8552
8553         PR middle-end/79818
8554         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
8555         TYPE_OVERFLOW_UNDEFINED check.
8556
8557 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8558
8559         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
8560         numbers.
8561         (vector_ae_<mode>_p): Likewise.
8562         (vector_nez_<mode>_p): Likewise.
8563         (vector_ne_v2di_p): Likewise.
8564         (vector_ae_v2di_p): Likewise.
8565         (vector_ne_<mode>_p): Likewise.
8566         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
8567         numbers.
8568         (vsx_tsqrt<mode>2_fe): Likewise.
8569
8570 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
8571
8572         PR target/79514
8573         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
8574
8575 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
8576
8577         PR rtl-optimization/79780
8578         * cprop.c (one_cprop_pass): When second and further conditional trap
8579         in a single basic block is turned into an unconditional trap, turn it
8580         into a deleted note to avoid RTL verification failures.
8581
8582 2017-03-02  Richard Biener  <rguenther@suse.de>
8583
8584         * fold-const.c (const_binop): Use ulow () instead of elt (0).
8585
8586 2017-03-02  Richard Biener  <rguenther@suse.de>
8587
8588         PR tree-optimization/79345
8589         PR c++/42000
8590         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
8591         param and abort the walk, returning -1 if it is hit.
8592         (walk_aliased_vdefs): Take a limit param and pass it on.
8593         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
8594         defaulting to 0 and return a signed int.
8595         * tree-ssa-uninit.c (struct check_defs_data): New struct.
8596         (check_defs): New helper.
8597         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
8598         about uninitialized memory.
8599         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
8600         bogus uninitialized warning.
8601         (fixed_convert_from_real): Likewise.
8602
8603 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
8604
8605         PR tree-optimization/66768
8606         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
8607         iv_use if base object can't be determined.
8608
8609 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
8610
8611         PR tree-optimization/79345
8612         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
8613         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
8614         (get_pattern_stats): Initialize it.
8615         * genemit.c (gen_expand): Verify match_scratch numbers come after
8616         match_operand/match_dup numbers.
8617         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
8618         match_scratch numbers.
8619         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
8620         Likewise.
8621         * config/s390/s390.md (trunctdsd2): Likewise.
8622
8623 2017-03-02  Richard Biener  <rguenther@suse.de>
8624
8625         * wide-int.h (wide_int_storage::operator=): Implement in terms
8626         of wi::copy.
8627
8628 2017-03-02  Richard Biener  <rguenther@suse.de>
8629
8630         PR tree-optimization/79777
8631         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
8632         the to insert expression to sth existing.
8633
8634 2017-03-01  Martin Sebor  <msebor@redhat.com>
8635
8636         PR middle-end/79692
8637         * gimple-ssa-sprintf.c
8638         (directive::known_width_and_precision): New function.
8639         (format_integer): Use it.
8640         (get_mpfr_format_length): Consider the full range of precision
8641         when computing %g output with the # flag.  Set the likely byte
8642         count to 3 rather than 1 when precision is indeterminate.
8643         (format_floating): Correct the lower bound of precision.
8644
8645 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8646
8647         * doc/invoke.texi: Document default code model for 64-bit Linux.
8648
8649 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
8650
8651         PR target/79752
8652         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
8653         udiv rather than div since input pattern is unsigned.
8654
8655 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
8656
8657         * config/i386/i386.c (print_reg): Warn for values of
8658         unsupported size in integer register.
8659
8660 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
8661
8662         PR target/79439
8663         * config/rs6000/predicates.md (current_file_function_operand): Do
8664         not allow self calls to be local if the function is replaceable.
8665
8666 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8667
8668         PR target/79395
8669         * config/rs6000/altivec.h (vec_ctz and others): Change the
8670         preprocessor macro that controls conditional compilation from
8671         _ARCH_PWR9 to __POWER9_VECTOR__.
8672         (vec_all_ne): Change parameterization of __altivec_scalar_pred
8673         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
8674         control (instead of _ARCH_PWR9 control) so that template
8675         definition uses power9-specific function.
8676         (vec_any_eq): Likewise.
8677         (vec_all_ne): Change macro definition to use a power9-specific
8678         expansion under #ifdef __POWER9_VECTOR__ control (instead of
8679         _ARCH_PWR9 control).
8680         (vec_any_eq) Likewise.
8681         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
8682         expansion for CMPNEF to remove support for xvcmpnesp instruction.
8683         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
8684         support for xvcmpnedp instruction.
8685         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
8686         macro expansion so that Power9 implementation of vec_all_ne does
8687         not use the AltiVec predicate framework.
8688         (VCMPNEH_P): Likewise.
8689         (VCMPNEW_P): Likewise.
8690         (VCMPNED_P): Likewise.
8691         (VCMPNEFP_P): Likewise.
8692         (VCMPNEDP_P): Likewise.
8693         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
8694         implementation of vec_any_eq to not use AltiVec predicate
8695         framework.
8696         (VCMPAEH_P): Likewise.
8697         (VCMPAEW_P): Likewise.
8698         (VCMPAED_P): Likewise.
8699         (VCMPAEFP_P): Likewise.
8700         (VCMPAEDP_P): Likewise.
8701         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
8702         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
8703         not use the AltiVec predicate framework.
8704         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
8705         of vec_any_eq to not use AltiVec predicate framework.
8706         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
8707         support for predefined __POWER9_VECTOR__ macro to indicate that
8708         Power9 instruction selection is enabled.
8709         (altivec_overloaded_builtins): Remove extraneous
8710         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
8711         function argument types RS6000_BTI_bool_V16QI and
8712         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
8713         entry for overloaded function argument types RS6000_BTI_bool_V4SI
8714         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
8715         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
8716         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
8717         Power9 for implementations of vec_cmpne.  Change the signature for
8718         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
8719         (representing vec_all_ne) to remove the previously described first
8720         argument of type RS6000_BTI_INTSI, as this was an artifact of
8721         reliance on the AltiVec predicate framework, which is no longer
8722         used in the implementation of these functions.  Add
8723         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
8724         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
8725         since, unlike the AltiVec predicate framework implementation, we
8726         do not share function descriptors between vec_alle and vec_anyeq.
8727         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
8728         set of modes that receive special treatment even when
8729         TARGET_P9_VECTOR is true.  The special treatment emits code that
8730         does not depend on Power9 instructions.
8731         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
8732         define_expand to not rely on AltiVec predicate framework.
8733         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
8734         function.
8735         (vector_ne_v2di_p): Change this define_expand to not rely on
8736         AltiVec predicate framework.
8737         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
8738         function.
8739         (vector_ne_<mode>_p): Change this define_expand to not rely on
8740         AltiVec predicate framework.
8741         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
8742         function.
8743         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
8744         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
8745         define_insn pattern.
8746         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
8747         define_insn pattern because the xvcmpne<VSs>. instruction is not
8748         supported.
8749         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
8750         instruction is not supported.
8751
8752 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
8753
8754         * config/nvptx/nvptx.c: Include intl.h.
8755
8756 2017-03-01  Martin Jambor  <mjambor@suse.cz>
8757
8758         PR lto/78140
8759         * ipa-prop.h (ipa_bits): Removed field known.
8760         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
8761         to pointers.  Adjusted their comments to warn about their sharing.
8762         (ipcp_transformation_summary): Change bits to a vector of pointers.
8763         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
8764         (ipa_get_ipa_bits_for_value): Declare.
8765         * tree-vrp.h (value_range): Mark as GTY((for_user)).
8766         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
8767         (ipa_bits_hash_table): Likewise.
8768         (ipa_vr_ggc_hash_traits): Likewise.
8769         (ipa_vr_hash_table): Likewise.
8770         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
8771         being pointers and vr_known being removed.
8772         (ipa_set_jf_unknown): Likewise.
8773         (ipa_get_ipa_bits_for_value): New function.
8774         (ipa_set_jfunc_bits): Likewise.
8775         (ipa_get_value_range): New overloaded functions.
8776         (ipa_set_jfunc_vr): Likewise.
8777         (ipa_compute_jump_functions_for_edge): Use the above functions to
8778         construct bits and vr parts of jump functions.
8779         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
8780         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
8781         exist.
8782         (ipcp_grow_transformations_if_necessary): Also allocate
8783         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
8784         exist.
8785         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
8786         them.  Fix too long lines.
8787         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
8788         vr_known being removed.
8789         (ipa_read_jump_function): Use new setter functions to construct bits
8790         and vr parts of jump functions or set them to NULL.
8791         (write_ipcp_transformation_info): Adjust for bits being pointers.
8792         (read_ipcp_transformation_info): Likewise.
8793         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
8794         space.
8795         Include gt-ipa-prop.h.
8796         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
8797         being pointers.
8798         (ipcp_store_bits_results): Likewise.
8799         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
8800         Do not write to existing jump functions but use a temporary instead.
8801
8802 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
8803
8804         PR c++/79681
8805         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
8806         attempt to use its first operand as BIT_FIELD_REF base.
8807
8808 2017-03-01  Richard Biener  <rguenther@suse.de>
8809
8810         PR middle-end/79721
8811         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
8812         interpolating formula in wrapping arithmetic.
8813         (chrec_apply): Convert chrec_evaluate return value to wanted type.
8814
8815 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
8816
8817         PR tree-optimization/79734
8818         * tree-vect-generic.c (expand_vector_condition): Optimize
8819         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
8820         Handle VEC_COND_EXPR where comparison has different inner width from
8821         type's inner width.
8822
8823 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
8824
8825         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
8826         markup, and similar issues.  Remove @opindex entries for things
8827         that aren't options.  Add missing -mmpy-option entries.
8828
8829 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
8830
8831         PR tree-optimization/79737
8832         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
8833         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
8834         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
8835         instead of byte_size.  Formatting fix.
8836         (shift_bytes_in_array_right): Formatting fix.
8837
8838 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
8839
8840         PR target/79749
8841         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
8842         condition on optimize for the leaf function test.
8843
8844 2017-02-28  Martin Liska  <mliska@suse.cz>
8845
8846         PR lto/79625
8847         * read-rtl-function.c (function_reader::handle_unknown_directive):
8848         Bail out when one uses -flto.
8849
8850 2017-02-28  Martin Liska  <mliska@suse.cz>
8851
8852         * common.opt: Replace space with tabular for options of <number>
8853         type.
8854         * config/i386/i386.opt: Show <number> value for
8855         -mlarge-data-threshold.
8856         * opts.c (print_filtered_help): Do not display number in hexadecimal
8857         format.
8858
8859 2017-02-28  Martin Liska  <mliska@suse.cz>
8860
8861         * common.opt: Fix --help=option -Q for options which are of
8862         an enum type.
8863
8864 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
8865
8866         * config/i386/i386.c (print_reg): Error out for values
8867         of 8-bit size in invalid integer register.
8868
8869 2017-02-28  Martin Sebor  <msebor@redhat.com>
8870
8871         PR tree-optimization/79691
8872         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
8873
8874 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
8875
8876         PR target/79729
8877         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
8878         gcc_unreachable with output_operand_lossage.
8879
8880 2017-02-28  Richard Biener  <rguenther@suse.de>
8881
8882         PR tree-optimization/79740
8883         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
8884         inserts.
8885         (visit_nary_op): Insert the nary into the hashtable if we
8886         pattern-matched sth.
8887         * tree-ssa-pre.c (eliminate_insert): Robustify.
8888
8889 2017-02-28  Richard Biener  <rguenther@suse.de>
8890
8891         PR middle-end/79731
8892         * fold-const.c (decode_field_reference): Reject out-of-bound
8893         accesses.
8894
8895 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
8896
8897         * config/i386/i386.c: Include intl.h.
8898         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
8899         instead of just cond ? "..." : "...".
8900         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
8901         * coverage.c (read_counts_file): Likewise.
8902         * omp-offload.c: Include intl.h.
8903         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
8904         of just cond ? "..." : "...".
8905         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
8906         of just cond ? "..." : "...".
8907
8908 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
8909
8910         PR target/79742
8911         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
8912         entry, if present.
8913         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
8914         'tune for' CPU name.
8915         * config/arm/arm-cpu-data.h: Regenerated.
8916
8917 2017-02-28  Richard Biener  <rguenther@suse.de>
8918
8919         PR tree-optimization/79732
8920         * tree-inline.c (expand_call_inline): Do not shadow var.
8921
8922 2017-02-28  Richard Biener  <rguenther@suse.de>
8923
8924         PR tree-optimization/79723
8925         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
8926         address-space properly.
8927
8928 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
8929
8930         * doc/optinfo.texi (Optimization groups): Fix option used for
8931         OPTGROUP_ALL.
8932         * doc/invoke.texi (-fopt-info): Document "omp".
8933         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
8934         (OPTGROUP_ALL): Add OPTGROUP_OMP.
8935         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
8936         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
8937         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
8938
8939         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
8940         all users.
8941         * dumpfile.c (optgroup_options): Instead of "openmp", associate
8942         OPTGROUP_OMP with "omp".
8943
8944 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
8945
8946         PR target/79544
8947         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
8948         for arithmetic shift of unsigned V2DI.
8949
8950 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
8951
8952         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
8953         arc/linux.h headers.
8954         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
8955         (LINK_SPEC): Likewise.
8956         (ARC_TLS_EXTRA_START_SPEC): Likewise.
8957         (EXTRA_SPECS): Likewise.
8958         (STARTFILE_SPEC): Likewise.
8959         (ENDFILE_SPEC): Likewise.
8960         (LIB_SPEC): Likewise.
8961         (TARGET_SDATA_DEFAULT): Likewise.
8962         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
8963         (MULTILIB_DEFAULTS): Likewise.
8964         (DWARF2_UNWIND_INFO): Likewise.
8965         * config/arc/big.h: New file.
8966         * config/arc/elf.h: Likewise.
8967         * config/arc/linux.h: Likewise.
8968         * config/arc/t-uClibc: Remove.
8969
8970 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
8971
8972         PR tree-optimization/77536
8973         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
8974         (tree_transform_and_unroll_loop): Use above function to compute the
8975         estimated niter of unrolled loop and use it when scaling profile.
8976         Also use count info rather than frequency if it's non-zero.
8977         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
8978         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
8979         (vect_transform_loop): Call above function.
8980
8981 2017-02-27  Richard Biener  <rguenther@suse.de>
8982
8983         PR tree-optimization/45397
8984         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
8985         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
8986         (visit_nary_op): Add pattern matching for CSEing sign-changed
8987         or truncated operations with wider ones.
8988
8989 2017-02-27  Richard Biener  <rguenther@suse.de>
8990
8991         PR tree-optimization/79690
8992         * tree-vect-stmts.c (vectorizable_store): Use vector type
8993         built from the DR with address-space.
8994
8995 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
8996
8997         * doc/invoke.texi (Optimize Options): Refine the description
8998         of asan-use-after-return.
8999
9000 2017-02-25  Alan Modra  <amodra@gmail.com>
9001
9002         PR rtl-optimization/79584
9003         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
9004         base, not ad->base_term, the reg within base.  Remove assertion
9005         that ad->base == ad->base_term.  Replace gen_int_mode using
9006         bogus mode with const0_rtx.
9007
9008 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
9009
9010         PR middle-end/79396
9011         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
9012         FMA_EXPR like tcc_binary or tcc_unary.
9013
9014         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
9015
9016         PR debug/77589
9017         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
9018         bitfield.
9019         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
9020         (output_loc_operands): Handle DW_OP_call_ref and
9021         DW_OP_GNU_variable_value.
9022         (struct variable_value_struct): New type.
9023         (struct variable_value_hasher): Likewise.
9024         (variable_value_hash): New variable.
9025         (string_types): Remove.
9026         (copy_loc_descr): New function.
9027         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
9028         (prepend_loc_descr_to_each): New function.
9029         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
9030         instead of add_loc_descr_to_each if the first argument is single
9031         location list and the second has multiple.
9032         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
9033         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
9034         when looking for variable value which doesn't have other location info.
9035         (loc_list_from_tree): Formatting fix.
9036         (gen_array_type_die): Simplify DW_AT_string_length handling.
9037         (adjust_string_types): Remove.
9038         (gen_subprogram_die): Don't call adjust_string_types nor test/set
9039         string_types.  Call resolve_variable_values.
9040         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
9041         (resolve_addr_in_expr): Likewise.  Add A argument.
9042         (copy_deref_exprloc): Remove deref argument.  Adjust for the
9043         original expression being DW_OP_GNU_variable_value with optionally
9044         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
9045         optionally after it.
9046         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
9047         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
9048         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
9049         (variable_value_hasher::hash, variable_value_hasher::equal): New
9050         methods.
9051         (resolve_variable_value_in_expr, resolve_variable_value,
9052         resolve_variable_values, note_variable_value_in_expr,
9053         note_variable_value): New functions.
9054         (dwarf2out_early_finish): Call note_variable_value on all toplevel
9055         DIEs.
9056
9057 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
9058
9059         PR c/79677
9060         * opts.h (handle_generated_option): Add GENERATED_P argument.
9061         * opts-common.c (handle_option): Adjust function comment.
9062         (handle_generated_option): Add GENERATED_P argument, pass it to
9063         handle_option.
9064         (control_warning_option): Pass false to handle_generated_option
9065         GENERATED_P.
9066         * opts.c (maybe_default_option): Pass true to handle_generated_option
9067         GENERATED_P.
9068         * optc-gen.awk: Likewise.
9069
9070 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9071
9072         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
9073         a REG, look at the REG it is a SUBREG of.
9074         (splitter for cmpeqsi_t): Ditto.
9075
9076 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9077
9078         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
9079         the special USEs with the pattern of the insn, not the insn itself.
9080
9081 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
9082
9083         PR target/79473
9084         * doc/invoke.texi: Document -mload-store-pairs.
9085
9086 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9087             Sandra Loosemore  <sandra@codesourcery.com>
9088
9089         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
9090         argument isn't a CONST_INT.
9091         (nios2_alternate_compare_const): Assert op is a CONST_INT.
9092         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
9093         (nios2_validate_compare): Bypass alternate compare logic if *op2
9094         is not a CONST_INT.
9095         (ldstwm_operation_p): Return false if first_base is not a REG or
9096         if first_offset is not a CONST_INT.
9097
9098 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9099
9100         * config/cris/cris.md: Use correct operand in a define_peephole2.
9101
9102 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9103
9104         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
9105
9106 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9107
9108         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
9109         this_insn if it is an INSN or JUMP_INSN.
9110         (force_offsettable): Look at base, not at addr.
9111         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
9112         on things that aren't necessarily CONST_INTs.
9113
9114 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
9115
9116         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
9117         -mfpmath=sse is the default also for x86-32 targets with SSE2
9118         instruction set when @option{-ffast-math} is enabled
9119
9120 2017-02-24  Jeff Law  <law@redhat.com>
9121
9122         PR rtl-optimizatoin/79286
9123         * ira.c (update_equiv_regs): Drop may_trap_p exception to
9124         dominance test.
9125
9126 2017-02-24  Richard Biener  <rguenther@suse.de>
9127
9128         PR tree-optimization/79389
9129         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
9130         debug insns.
9131
9132 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
9133
9134         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
9135         function comment to reflect reality.
9136         (loop_exits_before_overflow): Fix typo in function description.
9137
9138 2017-02-24  Richard Biener  <rguenther@suse.de>
9139
9140         PR tree-optimization/79389
9141         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
9142         properly that a threading opportunity exists.  Detect conditional
9143         copy/constant propagation opportunities.
9144
9145 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
9146
9147         * config/visium/visium.md (type): Add trap.
9148         (b): New mode attribute.
9149         (*btst): Rename into...
9150         (*btst<mode>): ...this and adjust.
9151         (*cbranchsi4_btst_insn): Rename into...
9152         (*cbranch<mode>4_btst_insn): ...this and adjust.
9153         (trap): New define_insn.
9154
9155 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
9156
9157         PR tree-optimization/79389
9158         * ifcvt.c (struct noce_if_info): Add rev_cond field.
9159         (noce_reversed_cond_code): New function.
9160         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
9161         reversed_comparison_code.  Formatting fix.
9162         (noce_try_store_flag): Test rev_cond != NULL in addition to
9163         reversed_comparison_code.
9164         (noce_try_store_flag_constants): Likewise.
9165         (noce_try_store_flag_mask): Likewise.
9166         (noce_try_addcc): Use rev_cond if non-NULL instead of
9167         reversed_comparison_code.
9168         (noce_try_cmove_arith): Likewise.  Formatting fixes.
9169         (noce_try_minmax, noce_try_abs): Clear rev_cond.
9170         (noce_find_if_block): Initialize rev_cond.
9171         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
9172         instead of false as last argument never attempt to reverse it
9173         afterwards.
9174
9175 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
9176
9177         PR tree-optimization/79663
9178         * tree-predcom.c (combine_chains): Process refs in reverse order
9179         only for ZERO length chains, and add explaining comment.
9180
9181 2017-02-23  Jeff Law  <law@redhat.com>
9182
9183         PR tree-optimization/79578
9184         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
9185         in call to operand_equal_p.
9186
9187 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
9188
9189         PR target/71017
9190         * config/i386/cpuid.h: Fix another undefined behavior.
9191
9192 2017-02-23  Richard Biener  <rguenther@suse.de>
9193
9194         PR tree-optimization/79683
9195         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
9196         vector types for data-refs.
9197
9198 2017-02-23  Martin Liska  <mliska@suse.cz>
9199
9200         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
9201
9202 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
9203
9204         PR middle-end/79665
9205         * internal-fn.c (get_range_pos_neg): Moved to ...
9206         * tree.c (get_range_pos_neg): ... here.  No longer static.
9207         * tree.h (get_range_pos_neg): New prototype.
9208         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
9209         are known to be in between 0 and signed maximum inclusive, try to
9210         expand both unsigned and signed divmod and use the cheaper one from
9211         those.
9212
9213 2017-02-22  Jeff Law  <law@redhat.com>
9214
9215         PR tree-optimization/79578
9216         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
9217         to compare base operands.
9218
9219 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
9220
9221         PR target/79211
9222         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
9223         gpc_reg_operand instead of fpr_reg_operand.
9224
9225 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
9226
9227         * config/mips/mips.c (mips_return_in_memory): Force FP
9228         vector types to be returned in memory for o32 ABI.
9229
9230 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
9231
9232         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
9233         instead of DW_TAG_member for static data member declarations and don't
9234         set no_linkage_name for static inline data members.
9235         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
9236         to DW_TAG_member.
9237
9238 2017-02-22  Martin Liska  <mliska@suse.cz>
9239
9240         * doc/invoke.texi: Replace inequality signs with square brackets
9241         for -Wnormalized.
9242
9243 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9244
9245         PR tree-optimization/68644
9246         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
9247
9248 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
9249
9250         PR target/78660
9251         * lra-constraints.c (simplify_operand_subreg): Handle
9252         WORD_REGISTER_OPERATIONS targets.
9253
9254 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
9255
9256         PR target/70465
9257         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
9258         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
9259         elimination by swapping fld*.
9260
9261 2017-02-22  Richard Biener  <rguenther@suse.de>
9262
9263         PR tree-optimization/79673
9264         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
9265         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
9266         irrelevant address-space qualifiers and avoiding a
9267         ADDR_SPACE_CONVERT_EXPR from fold_convert.
9268
9269 2017-02-22  Richard Biener  <rguenther@suse.de>
9270
9271         PR tree-optimization/79666
9272         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
9273         to not symbolically negate if that may introduce undefined
9274         overflow.
9275
9276 2017-02-22  Martin Liska  <mliska@suse.cz>
9277
9278         PR lto/79587
9279         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
9280         * data-streamer-out.c (streamer_write_gcov_count_stream):
9281         Likewise.
9282         * value-prof.c (stream_out_histogram_value): Make assert more
9283         precise based on type of counter.
9284
9285 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
9286
9287         PR target/79593
9288         * config/i386/i386.md (standard_x87sse_constant_load splitter):
9289         Use nonimmediate_operand instead of memory_operand for operand 1.
9290         (float-extend standard_x87sse_constant_load splitter): Ditto.
9291
9292 2017-02-21  Jeff Law  <law@redhat.com>
9293
9294         PR tree-optimization/79621
9295         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
9296         blocks with edges to themselves.
9297
9298 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
9299
9300         PR target/79633
9301         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
9302         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
9303         Use gimple_call_builtin_p.
9304
9305         PR target/79570
9306         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
9307         on temporarily removed DEBUG_INSNs.
9308
9309         PR tree-optimization/79649
9310         * tree-loop-distribution.c (classify_partition): Give up on
9311         non-generic address space loads/stores.
9312
9313 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
9314
9315         * doc/loop.texi (Loop manipulation): Remove nonexistent
9316         tree_ssa_loop_version from the documentation.
9317         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
9318
9319 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
9320
9321         PR target/79494
9322         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
9323         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
9324         * config/rs6000/rs6000.c: Include except.h.
9325         (rs6000_expand_split_stack_prologue): Call
9326         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
9327
9328 2017-02-21  Martin Jambor  <mjambor@suse.cz>
9329
9330         PR lto/79579
9331         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
9332         have been analyzed.
9333
9334 2017-02-21  Martin Jambor  <mjambor@suse.cz>
9335
9336         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
9337         for backward compatibility only.
9338         * doc/invoke.texi (Option Summary): Remove all references to
9339         -fipa-cp-alignment.
9340
9341 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
9342
9343         PR target/78660
9344         Revert:
9345         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9346
9347         * lra-constraints.c (curr_insn_transform): Handle
9348         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
9349
9350 2017-02-21  Martin Liska  <mliska@suse.cz>
9351
9352         * config/i386/i386.opt: Replace -masm-dialect with -masm.
9353
9354 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
9355
9356         PR translation/79638
9357         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
9358
9359 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
9360
9361         PR ada/67205
9362         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
9363         (arm_function_ok_for_sibcall): Return false for an indirect call by
9364         descriptor if all the argument registers are used.
9365         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
9366         alignment of the function.
9367
9368 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
9369
9370         PR tree-optimization/61441
9371         * simplify-rtx.c (simplify_const_unary_operation): For
9372         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
9373         the sNaN unmodified.
9374
9375 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9376
9377         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
9378         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
9379         instead of SYSTEM_HEADER_DIR.
9380
9381 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
9382             Martin Liška  <mliska@suse.cz>
9383
9384         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
9385         Fix typos and grammar, use active voice, and clarify.
9386
9387 2017-02-20  Marek Polacek  <polacek@redhat.com>
9388
9389         PR middle-end/79537
9390         * gimplify.c (gimplify_expr): Handle unused *&&L;.
9391
9392         PR sanitizer/79558
9393         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
9394
9395 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
9396
9397         PR target/79568
9398         * config/i386/i386.c (ix86_expand_builtin): Handle
9399         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
9400         ix86_builtins_isa[fcode].isa as a requirement of those
9401         flags and any other flag in the bitmask.
9402         (ix86_init_mmx_sse_builtins): Use 0 instead of
9403         ~OPTION_MASK_ISA_64BIT as mask.
9404         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
9405         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
9406         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
9407         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
9408
9409 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9410
9411         PR target/78012
9412         * lra-constraints.c (split_reg): Check requested split mode
9413         is supported by the register.
9414
9415 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9416
9417         * lra-constraints.c (simplify_operand_subreg): Remove early
9418         return false.
9419
9420 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9421
9422         PR target/78660
9423         * lra-constraints.c (curr_insn_transform): Tighten condition
9424         for converting SUBREG reloads from OP_OUT to OP_INOUT.
9425
9426 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9427
9428         PR target/78660
9429         * lra-constraints.c (curr_insn_transform): Handle
9430         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
9431
9432 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
9433
9434         Revert:
9435         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
9436
9437         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
9438
9439 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
9440
9441         PR c++/69523
9442         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
9443         description.
9444
9445 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9446
9447         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
9448         for FMA_EXPR.
9449
9450 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
9451
9452         * final.c (last_columnnum, override_columnnum): New variables.
9453         (final_start_function): Set last_columnnum, pass it to begin_prologue
9454         hook and pass 0 to dwarf2out_begin_prologue.
9455         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
9456         to source_line debug hook.
9457         (notice_source_line): Compute last_columnnum and for debug_column_info
9458         return true on column changes.
9459         * debug.h (struct gcc_debug_hooks): Add column argument to
9460         source_line and begin_prologue hooks.
9461         (debug_nothing_int_charstar_int_bool): Remove prototype.
9462         (debug_nothing_int_int_charstar,
9463         debug_nothing_int_int_charstar_int_bool): New prototypes.
9464         (dwarf2out_begin_prologue): Add column argument.
9465         * debug.c (do_nothing_debug_hooks): Adjust source_line and
9466         begin_prologue hooks.
9467         (debug_nothing_int_charstar_int_bool): Remove.
9468         (debug_nothing_int_int_charstar,
9469         debug_nothing_int_int_charstar_int_bool): New functions.
9470         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
9471         through to dwarf2out_source_line.
9472         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
9473         (dwarf2out_source_line): Add column argument, emit it if requested.
9474         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
9475         arguments.
9476         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
9477         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
9478         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
9479         through to dwarf2out_begin_prologue.
9480         (vmsdbgout_source_line): Add column argument, pass it through to
9481         dwarf2out_source_line.
9482         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
9483         dbxout_source_line caller.
9484         (dbxout_source_line): Add column argument.
9485
9486         * common.opt (gno-column-info, gcolumn-info): New options.
9487         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
9488         (check_die): Also test for multiple DW_AT_decl_column attributes.
9489         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
9490         DW_AT_decl_column if requested.
9491         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
9492         if requested.
9493         (gen_variable_die): Likewise.
9494         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
9495         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
9496
9497         PR target/79569
9498         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
9499         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
9500         (ix86_handle_option): Handle OPT_m3dnowa.
9501         * doc/invoke.texi (-m3dnowa): Document.
9502         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
9503         -m3dnowa instead of -m3dnow -march=athlon.
9504
9505         PR target/79559
9506         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
9507         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
9508
9509 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9510
9511         PR target/79261
9512         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
9513         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
9514         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
9515         generator for vsx_xxpermdi_<mode>_be.
9516         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
9517         force big-endian semantics.
9518         (vsx_xxpermdi_<mode>_be): New define_expand with same
9519         implementation as previous version of vsx_xxpermdi_<mode>.
9520
9521 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
9522
9523         PR tree-optimization/79327
9524         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
9525         variable, its initialization and use.
9526
9527 2017-02-17  Julia Koval  <julia.koval@intel.com>
9528
9529         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
9530         (OPTION_MASK_ISA_PKU_UNSET): New.
9531         (ix86_handle_option): Handle -mrdpid.
9532         * config/i386/cpuid.h (bit_RDPID): New.
9533         * config/i386/driver-i386.c (host_detect_local_cpu):
9534         Detect RDPID feature.
9535         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
9536         * config/i386/i386-c.c (ix86_target_macros_internal):
9537         Handle RDPID flag.
9538         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
9539         (ix86_valid_target_attribute_inner_p): Add "rdpid".
9540         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
9541         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
9542         * config/i386/i386.md (define_insn "rdpid"): New.
9543         * config/i386/i386.opt Add -mrdpid.
9544         * config/i386/immintrin.h (_rdpid_u32): New.
9545
9546 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
9547
9548         PR rtl-optimization/79541
9549         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
9550         instead of transforming it into USE.
9551
9552 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
9553
9554         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
9555         If HONOR_SNANS (SFmode) force the input to a register.
9556         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
9557         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
9558         an frsp or similar insn.
9559
9560 2017-02-17  Martin Liska  <mliska@suse.cz>
9561
9562         PR rtl-optimization/79577
9563         * params.def (selsched-max-sched-times): Increase minimum to 1.
9564
9565 2017-02-17  Martin Liska  <mliska@suse.cz>
9566
9567         PR rtl-optimization/79574
9568         * gcse.c (want_to_gcse_p): Prevent integer overflow.
9569
9570 2017-02-17  Martin Liska  <mliska@suse.cz>
9571
9572         PR tree-optimization/79529
9573         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
9574         ssa_defined_default_def_p to handle cases which are implicitly
9575         defined.
9576         * tree-ssa.c (ssa_defined_default_def_p): New function.
9577         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
9578         which are implicitly defined.
9579         * tree-ssa.h (ssa_defined_default_def_p): Declare.
9580
9581 2017-02-17  Richard Biener  <rguenther@suse.de>
9582
9583         PR middle-end/79576
9584         * params.def (max-ssa-name-query-depth): Limit to 10.
9585
9586 2017-02-17  Richard Biener  <rguenther@suse.de>
9587
9588         PR tree-optimization/79552
9589         * tree-ssa-structalias.c (visit_loadstore): Properly verify
9590         default defs.
9591
9592 2017-02-17  Richard Biener  <rguenther@suse.de>
9593
9594         PR bootstrap/79567
9595         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
9596
9597 2017-02-17  Marek Polacek  <polacek@redhat.com>
9598
9599         PR middle-end/79536
9600         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
9601         (fold_negate_expr): New wrapper.
9602
9603 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
9604
9605         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]:
9606         Correct terminology and de-emphasize pre-standard behavior.
9607
9608 2017-02-16  Alan Modra  <amodra@gmail.com>
9609
9610         PR rtl-optimization/79286
9611         * ira.c (def_dominates_uses): New function.
9612         (update_equiv_regs): Don't create an equivalence for insns that
9613         may trap where the register def does not dominate the use.
9614
9615 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
9616
9617         PR rtl-optimization/78127
9618         * lra.c (lra): Call lra_eliminate before finish the loop after
9619         lra_constraint.
9620
9621 2017-02-16  Richard Biener  <rguenther@suse.de>
9622
9623         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
9624         isl/isl_val.h.
9625         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
9626         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
9627         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
9628         (isl_val_int_from_wi): New function.
9629         (extract_affine_gmp): Rename to ...
9630         (extract_affine_wi): ... this, take a widest_int.
9631         (extract_affine_int): Just wrap extract_affine_wi.
9632         (add_param_constraints): Use isl_val_int_from_wi.
9633         (add_loop_constraints): Likewise, and extract_affine_wi.
9634
9635 2017-02-15  Jeff Law  <law@redhat.com>
9636
9637         PR middle-end/79521
9638         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
9639         ira_init_register_move_cost_if_necessary.
9640
9641 2017-02-15  Martin Sebor  <msebor@redhat.com>
9642
9643         PR middle-end/32003
9644         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
9645         removed in a prior commit.
9646
9647 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
9648
9649         PR tree-optimization/79347
9650         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
9651         counters during peeling.
9652
9653 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
9654
9655         * Makefile.in (site.exp): Remove "set ISLVER".
9656
9657 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
9658
9659         PR target/79487
9660         * real.c (real_from_integer): Call real_convert even for decimal.
9661
9662 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
9663
9664         PR target/79421
9665         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
9666
9667 2017-02-14  Andrew Pinski  <apinski@cavium.com>
9668
9669         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
9670         cores and change the partno/implementer to be correct.
9671         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
9672         the 'B" as the implementer.
9673         * config/aarch64/aarch64-tune.md: Regenerate.
9674
9675 2017-02-14  Carl Love  <cel@us.ibm.com>
9676
9677         * config/rs6000/rs6000.c: Add case statement entry to make the
9678         xvcvuxdsp built-in argument unsigned.
9679         * config/rs6000/vsx.md: Fix the source and return operand types so they
9680         match the instruction definitions from the ISA document.  Fix typo
9681         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
9682         statement.
9683
9684 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
9685
9686         PR target/79282
9687         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
9688         member early_clobber_alts.
9689         * lra-lives.c (reg_early_clobber_p): New.
9690         (process_bb_lives): Use it.
9691         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
9692         (debug_operand_data): Initialize early_clobber_alts.
9693         (setup_operand_alternative): Set up early_clobber_alts.
9694         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
9695         alternatives to new_insn_reg.
9696         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
9697         it.
9698         (lra_update_insn_regno_info): Pass the new arg.
9699
9700 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
9701
9702         PR middle-end/79505
9703         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
9704         (new_oacc_loop_raw): Don't clear already cleared fields.
9705
9706         PR target/79481
9707         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
9708         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
9709         _mm512_prefetch_i64gather_ps): New inline functions and macros.
9710
9711 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
9712
9713         PR target/79495
9714         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
9715
9716 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
9717
9718         PR target/79498
9719         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
9720         the extra instruction to the right place to store 128-bit constant
9721         when needed.
9722
9723 2017-02-14  Martin Sebor  <msebor@redhat.com>
9724
9725         PR middle-end/79448
9726         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
9727           warning for strings of unknown length.
9728
9729 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
9730
9731         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
9732
9733 2017-02-14  Jeff Law  <law@redhat.com>
9734
9735         PR target/79404
9736         * ira-costs.c (scan_one_insn): Initialize register move costs
9737         for pseudos seen in USE/CLOBBER insns.
9738
9739         PR tree-optimization/79095
9740         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
9741         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
9742         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
9743         if the operands are known to be not equal, then the resulting range
9744         is ~[0,0].
9745         (intersect_ranges): If the new range is ~[0,0] and the old range is
9746         wide, then prefer ~[0,0].
9747         * tree-vrp.c (overflow_comparison_p_1): New function.
9748         (overflow_comparison_p): New function.
9749         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
9750         if NAME is used in an overflow test.
9751         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
9752         overflow check that can be expressed as an equality test, then adjust
9753         ops to be that equality test.
9754
9755 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9756
9757         * config/s390/s390-builtin-types.def: Remove flags argument.
9758         * config/s390/s390.c (s390_init_builtins): Likewise.
9759
9760 2017-02-14  Martin Liska  <mliska@suse.cz>
9761
9762         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
9763         vector.  Fix trailing white spaces.
9764
9765 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
9766
9767         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
9768         HFmode.
9769
9770 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9771
9772         PR rtl-optimization/68664
9773         * config/arm/arm.c (arm_sched_can_speculate_insn):
9774         New function.  Declare prototype.
9775         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
9776
9777 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9778
9779         PR rtl-optimization/68664
9780         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
9781         New function.
9782         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
9783
9784 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
9785
9786         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
9787         max skip bytes for function, loop and jump.
9788
9789 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9790
9791         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
9792         ABS_EXPR for gimple dump.
9793
9794 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
9795
9796         PR target/79462
9797         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
9798
9799         PR tree-optimization/79408
9800         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
9801         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
9802         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
9803         also if rhs1 is INTEGER_CST.
9804
9805 2017-02-14  Richard Biener  <rguenther@suse.de>
9806
9807         PR middle-end/79432
9808         * tree-into-ssa.c (insert_phi_nodes): When the function can
9809         have abnormal edges rewrite SSA names with broken use-def
9810         dominance out of SSA and register them for PHI insertion.
9811
9812 2017-02-13  Martin Sebor  <msebor@redhat.com>
9813
9814         PR middle-end/79496
9815         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
9816         clearing info.nowrite flag when snprintf size argument is a range.
9817
9818 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
9819
9820         * cprop.c (cprop_jump): Add missing space in string literal.
9821         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
9822         (get_constraint_for_component_ref): Likewise.
9823         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
9824         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
9825         * lra-constraints.c (process_alt_operands): Likewise.
9826         * ipa-inline.c (inline_small_functions): Likewise.
9827         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
9828         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
9829         * trans-mem.c (diagnose_tm_1_op): Likewise.
9830         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
9831         (grid_parallel_clauses_gridifiable): Likewise.
9832
9833         * config/nvptx/mkoffload.c (process): Add space in between
9834         , and %d.
9835
9836         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
9837         "MOD4_SSE_REGS" and "ALL_REGS".
9838
9839         * spellcheck.c (test_data): Add , in between "foo" and "food".
9840
9841 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
9842
9843         PR target/79449
9844         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
9845         boundary crossing check and subsequent code generation agree.
9846
9847 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9848
9849         * config/aarch64/aarch64.c (has_memory_op): Delete.
9850         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
9851         has_memory_op.
9852
9853 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
9854
9855         PR rtl-optimization/79388
9856         PR rtl-optimization/79450
9857         * combine.c (distribute_notes): When removing TEM_INSN for which
9858         corresponding dest has last value recorded, invalidate that last
9859         value.
9860
9861 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9862
9863         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
9864         of explicit '@'.  Add missing assembly comment marker on branch costs
9865         printout.
9866
9867 2017-02-13  Nathan Sidwell  <nathan@acm.org>
9868
9869         * gengtype-lex.l (<in_struct>): Add '/'.
9870
9871 2017-02-13  Martin Liska  <mliska@suse.cz>
9872
9873         PR c/79471
9874         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
9875
9876 2017-02-13  Richard Biener  <rguenther@suse.de>
9877
9878         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
9879         Remove.
9880         * configure: Re-generate.
9881         * config.in: Likewise.
9882         * graphite-dependences.c: Simplify as if
9883         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
9884         * graphite-isl-ast-to-gimple.c: Likewise.
9885         * graphite-optimize-isl.c: Likewise.
9886         * graphite-poly.c: Likewise.
9887         * graphite-sese-to-poly.c: Likewise.
9888         * graphite.h: Likewise.
9889         * toplev.c: Include isl/version.h and use isl_version () for
9890         printing the ISL version.
9891         * doc/install.texi: Update ISL requirement.
9892
9893 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
9894
9895         * doc/standards.texi (Standards): Update reference to
9896         Objective-C 2.0.
9897
9898 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
9899
9900         * doc/extend.texi (Named Address Spaces): sourceware.org now
9901         defaults to https.
9902         * doc/install.texi (Binaries): Ditto.
9903         (Specific): Ditto.
9904
9905 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
9906
9907         * doc/cpp.texi: Replace "stringify"/"stringification" with C
9908         standard terminology "stringize"/"stringizing" throughout.
9909         * doc/cppinternals.texi: Likewise.
9910
9911 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
9912
9913         * doc/extend.texi: Fix some spelling mistakes and typos.
9914         * doc/invoke.texi: Likewise.
9915
9916 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
9917
9918         PR ipa/79224
9919         * params.def (inline-min-speedup) Change from 10 to 8.
9920
9921 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
9922
9923         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
9924         4.5.
9925
9926 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
9927
9928         PR ipa/79224
9929         * ipa-inline-analysis.c (get_minimal_bb): New function.
9930         (record_modified): Use it.
9931         (remap_edge_change_prob): Handle also ancestor functions.
9932
9933 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
9934
9935         * doc/contrib.texi (Contributors): Remove broken link into
9936         the Mauve CVS repository.
9937
9938 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
9939
9940         PR middle-end/79454
9941         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
9942         result computation whenever lhs doesn't have vector mode, not
9943         just when it has BLKmode.
9944
9945 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
9946
9947         * doc/makefile.texi (profiledbootstrap): Refer to the
9948         installation instructions only in textual form.
9949
9950 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
9951
9952         PR target/79295
9953         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
9954
9955 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
9956
9957         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
9958         (Specific): Update mingw-w64 reference.
9959         (Binaries): Ditto.
9960         (Specific): Remove broken link to Renesas RX processor.
9961
9962 2017-02-10  Richard Biener  <rguenther@suse.de>
9963
9964         * toplev.c (process_options): Do not mention obsolete graphite
9965         options when printing sorry message about missing graphite support.
9966         Mention -floop-nest-optimize.
9967
9968 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
9969
9970         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
9971         (vtst_p16): Likewise.
9972         (vtstq_p8): Likewise.
9973         (vtstq_p16): Likewise.
9974         (vtst_p64): New.
9975         (vtstq_p64): Likewise.
9976         * config/arm/arm_neon.h (vgetq_lane_p64): New.
9977         (vset_lane_p64): New.
9978         (vsetq_lane_p64): New.
9979
9980 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
9981
9982         PR tree-optimization/79411
9983         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
9984         stmt operands are SSA_NAMEs used in abnormal phis.
9985         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
9986         phis.
9987
9988 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
9989
9990         PR ipa/70795
9991         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
9992         flag if needed.
9993
9994 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
9995
9996         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
9997
9998 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
9999
10000         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
10001         to avoid warning.
10002
10003         PR c/79413
10004         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
10005         not arbitrary TREE_CONSTANT.
10006
10007         PR c/79431
10008         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
10009         "omp declare target link" attribute unless is_global_var.
10010         * omp-offload.c (find_link_var_op): Likewise.
10011
10012 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
10013             Chung-Lin Tang  <cltang@codesourcery.com>
10014
10015         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
10016         OMP_CLAUSE_TILE.
10017         (gimplify_adjust_omp_clauses): Don't delete TILE.
10018         (gimplify_omp_for): Deal with TILE.
10019         * internal-fn.c (expand_GOACC_TILE): New function.
10020         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
10021         (GOACC_TILE): New.
10022         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
10023         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
10024         element fields.
10025         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
10026         avoid DIV for outermost collapse var.
10027         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
10028         Remove out of date comments, fix whitespace.
10029         * omp-general.c (omp_extract_for_data): Deal with tiling.
10030         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
10031         adjust OLF_DIM_BASE value.
10032         (struct omp_for_data): Add tiling field.
10033         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
10034         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
10035         for auto loops.  Remove default auto determining, moved to
10036         oacc_loop_fixed_partitions.
10037         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
10038         stmts, add e_mask field.
10039         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
10040         (oacc_thread_numbers): Use oacc_dim_call.
10041         (oacc_xform_tile): New.
10042         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
10043         (finish_oacc_loop): Adjust for ifns vector.
10044         (oacc_loop_discover_walk): Append loop abstraction sites to list,
10045         add case for GOACC_TILE fns.
10046         (oacc_loop_xform_loop): Delete.
10047         (oacc_loop_process): Iterate over call list directly, and add
10048         handling for GOACC_TILE fns.
10049         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
10050         dump partitioning.
10051         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
10052         vector partitioning to outer loops.  Assign 2 partitions to loops
10053         when available. Add TILE handling.
10054         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
10055         (execite_oacc_device_lower): Process GOACC_TILE fns,
10056         ignore unknown specs.
10057         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
10058         * tree.c (omp_clause_num_ops): Adjust TILE ops.
10059         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
10060
10061 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
10062
10063         * configure.ac (ACX_BUGURL): Update.
10064         * configure: Regenerate.
10065
10066 2017-02-09  Richard Biener  <rguenther@suse.de>
10067
10068         PR tree-optimization/69823
10069         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
10070         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
10071
10072 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
10073
10074         * config/arc/arc-c.def: Add __NPS400__ definition.
10075         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
10076         (TARGET_NPS400): Define.
10077
10078 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
10079
10080         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
10081         file.
10082         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
10083         pointer, arch_info.
10084         (arc_cpu_types): Fill the arch_info field with a pointer into the
10085         arc_arch_types table.
10086         (arc_selected_cpu): Declare.
10087         * config/arc/arc.c (arc_selected_cpu): Make global.
10088         (arc_selected_arch): Delete.
10089         (arc_base_cpu): Delete.
10090         (arc_override_options): Remove references to deleted variables,
10091         update access to arch information.
10092         (ARC_OPT): Update access to arch information.
10093         (ARC_OPTX): Likewise.
10094         * config/arc/arc.h (arc_base_cpu): Remove declaration.
10095         (TARGET_ARC600): Update access to arch information.
10096         (TARGET_ARC601): Likewise.
10097         (TARGET_ARC700): Likewise.
10098         (TARGET_EM): Likewise.
10099         (TARGET_HS): Likewise.
10100         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
10101         information.
10102
10103 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
10104
10105         PR target/78604
10106         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
10107         condition/operands for integer GE/LE/GEU/LEU operations.
10108
10109 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
10110
10111         PR translation/79397
10112         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
10113         of AltiVec.
10114
10115 2017-02-08  Martin Jambor  <mjambor@suse.cz>
10116
10117         PR ipa/79375
10118         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
10119         whether allocation happened.
10120         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
10121         nothing was allocated.
10122
10123 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
10124
10125         PR tree-optimization/79408
10126         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
10127         constant, but SSA_NAME with a known integer range, use the minimum
10128         of that range instead of op1 to determine if modulo can be replaced
10129         with its first operand.
10130
10131 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10132
10133         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
10134
10135 2017-02-08  Richard Biener  <rguenther@suse.de>
10136
10137         PR tree-optimization/71824
10138         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
10139         Check all loops contained in the merged region.
10140
10141 2017-02-07  Andrew Pinski  <apinski@cavium.com>
10142
10143         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
10144
10145 2017-02-07  Andrew Pinski  <apinski@cavium.com>
10146
10147         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
10148         (thunderxt88): Likewise.
10149         (thunderxt81): Disable LSE and change v8.1 to v8.
10150         (thunderxt83): Likewise.
10151
10152 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
10153             Richard Biener  <rguenther@suse.de>
10154
10155         PR middle-end/79399
10156         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
10157         type from int to size_t.
10158         * ira-costs.c (struct_costs_size): Change type from int to size_t.
10159
10160 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
10161
10162         PR rtl-optimization/79386
10163         * cprop.c (bypass_conditional_jumps): Initialize
10164         bypass_last_basic_block already before splitting bbs after
10165         unconditional traps...
10166         (bypass_conditional_jumps): ... rather than here.
10167
10168         PR target/79299
10169         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
10170         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
10171         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
10172         fix -masm=intel patterns.
10173
10174 2017-02-07  Richard Biener  <rguenther@suse.de>
10175
10176         PR tree-optimization/79256
10177         PR middle-end/79278
10178         * builtins.c (get_object_alignment_2): Use min_align_of_type
10179         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
10180         and ADJUST_FIELD_ALIGN.
10181
10182         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
10183         type parameter.
10184         * doc/tm.texi: Regenerate.
10185         * stor-layout.c (layout_decl): Adjust.
10186         (update_alignment_for_field): Likewise.
10187         (place_field): Likewise.
10188         (min_align_of_type): Likewise.
10189         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
10190         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
10191         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
10192         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
10193         * config/frv/frv.c (frv_adjust_field_align): Likewise.
10194         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
10195         * config/i386/i386.c (x86_field_alignment): Likewise.
10196         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
10197         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
10198         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
10199         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
10200         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
10201         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
10202          Likewise.
10203
10204         Revert
10205         2017-01-30  Richard Biener  <rguenther@suse.de>
10206
10207         PR tree-optimization/79256
10208         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
10209         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
10210         alignment on TYPE.
10211
10212 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
10213
10214         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
10215         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
10216         builtins to SImode and emit a zero-extend, if necessary.
10217
10218 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
10219
10220         * docs/invoke.texi (RISC-V Options): Alphabetize.
10221
10222 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
10223
10224         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
10225         options.
10226
10227 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
10228
10229         * config/riscv/riscv.c: New file.
10230         * gcc/common/config/riscv/riscv-common.c: Likewise.
10231         * config.gcc: Likewise.
10232         * config/riscv/constraints.md: Likewise.
10233         * config/riscv/elf.h: Likewise.
10234         * config/riscv/generic.md: Likewise.
10235         * config/riscv/linux.h: Likewise.
10236         * config/riscv/multilib-generator: Likewise.
10237         * config/riscv/peephole.md: Likewise.
10238         * config/riscv/pic.md: Likewise.
10239         * config/riscv/predicates.md: Likewise.
10240         * config/riscv/riscv-builtins.c: Likewise.
10241         * config/riscv/riscv-c.c: Likewise.
10242         * config/riscv/riscv-ftypes.def: Likewise.
10243         * config/riscv/riscv-modes.def: Likewise.
10244         * config/riscv/riscv-opts.h: Likewise.
10245         * config/riscv/riscv-protos.h: Likewise.
10246         * config/riscv/riscv.h: Likewise.
10247         * config/riscv/riscv.md: Likewise.
10248         * config/riscv/riscv.opt: Likewise.
10249         * config/riscv/sync.md: Likewise.
10250         * config/riscv/t-elf-multilib: Likewise.
10251         * config/riscv/t-linux: Likewise.
10252         * config/riscv/t-linux-multilib: Likewise.
10253         * config/riscv/t-riscv: Likewise.
10254         * configure.ac: Likewise.
10255         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
10256         Waterman as RISC-V maintainers.
10257         * doc/install.texi: Add RISC-V entries.
10258         * doc/invoke.texi: Add RISC-V options section.
10259         * doc/md.texi: Add RISC-V constraints section.
10260         * configure: Regenerated.
10261
10262 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
10263
10264         PR target/66144
10265         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
10266         false values to be constant vectors with all 0 or all 1 bits set.
10267         (vcondu<mode><mode>): Likewise.
10268         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
10269         predicate.
10270         (fpmask_comparison_operator): Update comment.
10271         (vecint_comparison_operator): New predicate.
10272         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
10273         vector conditionals when the true and false values are constant
10274         vectors with all 0 bits or all 1 bits set.
10275
10276 2017-02-06  Martin Sebor  <msebor@redhat.com>
10277
10278         PR  tree-optimization/79376
10279         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
10280
10281 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
10282
10283         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
10284         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
10285         to simplify split condition.
10286
10287 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
10288
10289         * omp-expand.c (oxpand_omp_atomic_fetch_op,
10290         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
10291         false.
10292
10293 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
10294
10295         PR rtl-optimization/68664
10296         * target.def (can_speculate_insn): New hook.
10297         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
10298         * doc/tm.texi: Regenerate.
10299         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
10300         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
10301         (rs6000_sched_can_speculate_insn): New function.
10302
10303 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
10304
10305         PR tree-optimization/79284
10306         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
10307         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
10308         vectorizable_mask_load_store, vectorizable_operation,
10309         vect_is_simple_cond, get_same_sized_vectype): Use it instead
10310         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
10311         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
10312         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
10313         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
10314         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
10315         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
10316         is_gimple_assign (stmt).  Replace another such test with
10317         is_gimple_assign (stmt).
10318
10319 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
10320
10321         PR target/78883
10322         * config/avr/avr.c (rtl-iter.h): Include it.
10323         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
10324         (avr_legitimate_combined_insn): ...and implementation.
10325
10326 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10327
10328         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
10329         * config/s390/s390.c (s390_const_operand_ok)
10330         (s390_canonicalize_comparison, s390_extract_part)
10331         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
10332         (s390_contiguous_bitmask_p, s390_rtx_costs)
10333         (legitimize_pic_address): Likewise.
10334         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
10335         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
10336         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
10337         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
10338         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
10339
10340 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
10341
10342         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
10343         REGNO($0) == REGNO($1).
10344
10345 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10346
10347         * config/s390/linux.h(SIZE_TYPE): Add comment.
10348
10349 2017-02-06  Julian Brown  <julian@codesourcery.com>
10350             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10351             Virendra Pathak  <virendra.pathak@broadcom.com>
10352
10353         * config/aarch64/aarch64-cores.def: Change the scheduler
10354         to Thunderx2t99.
10355         * config/aarch64/aarch64.md: Include thunderx2t99.md.
10356         * config/aarch64/thunderx2t99.md: New file.
10357
10358 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
10359
10360         * doc/standards.texi (Go Language): Update link to language
10361         standard.
10362
10363 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
10364
10365         * tree-eh.c (lower_resx): Sanitize profile.
10366         (cleanup_empty_eh_move_lp): Likewise.
10367
10368 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
10369
10370         PR tree-ssa/79347
10371         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
10372         ELSE_PROB.
10373         * cfgloopmanip.h (loop_version): Update prototype.
10374         * modulo-sched.c (sms_schedule): Update call of loop_version.
10375         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
10376         * tree-parloops.c (gen_parallel_loop): Likewise.
10377         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
10378         * tree-ssa-loop-split.c (split_loop): Likewise.
10379         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
10380         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
10381
10382 2017-02-05  Martin Liska  <mliska@suse.cz>
10383
10384         PR bootstrap/78985
10385         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
10386         variable to NULL.
10387         (print_operand_address): Initialize a struct to zero.
10388
10389 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
10390
10391         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
10392         garbage collector only in textual form.
10393
10394 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
10395
10396         * doc/extend.texi (x86 specific memory model extensions for
10397         transactional memory): Simplify a phrase.
10398
10399 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
10400
10401         PR target/79353
10402         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
10403         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
10404         (atomic_storedi_1): Likewise.
10405
10406 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
10407
10408         PR tree-optimization/79338
10409         * tree-parloops.c (gather_scalar_reductions): Don't call
10410         vect_analyze_loop_form for loop->inner before destroying loop's
10411         loop_vinfo.
10412
10413 2017-02-03  Martin Sebor  <msebor@redhat.com>
10414
10415         PR tree-optimization/79327
10416         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
10417         when precision has resulted in leading zeros.
10418         (format_integer): Adjust the likely counter to assume an unknown
10419         argument that may be zero is non-zero.
10420
10421 2017-02-03  Jason Merrill  <jason@redhat.com>
10422
10423         PR c++/78689
10424         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
10425         avoid copying non-taken branch.
10426
10427 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
10428
10429         PR tree-optimization/79340
10430         * tree-vect-loop.c (vectorizable_reduction): Release
10431         vec_defs elements after safe_splicing them into other vectors.
10432         Formatting fixes.
10433
10434         PR tree-optimization/79327
10435         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
10436         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
10437         dirtype.
10438         (format_integer): Use wide_int_to_tree instead of build_int_cst
10439         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
10440         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
10441         of shortest and longest sequence.
10442
10443 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
10444
10445         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
10446         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
10447
10448 2017-02-03  Walter Lee  <walt@tilera.com>
10449
10450         PR target/78862
10451         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
10452         after initial stackframe link reg save.
10453         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
10454
10455 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
10456
10457         PR target/79354
10458         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
10459         wu for stxssp alternative.
10460
10461 2017-02-03  Martin Sebor  <msebor@redhat.com>
10462
10463         PR tree-optimization/79352
10464         * gimple-fold.c (get_range_strlen): Add argument.
10465         (get_range_strlen): Change return type to bool.
10466         (get_maxval_strlen): Pass in a dummy argument.
10467         * gimple-fold.h (get_range_strlen): Change return type to bool.
10468         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
10469         * tree.h (array_at_struct_end_p): Add argument.
10470         * tree.c (array_at_struct_end_p): Handle it.
10471
10472 2017-02-03  Martin Liska  <mliska@suse.cz>
10473
10474         PR lto/66295
10475         * multiple_target.c (create_dispatcher_calls): Redirect edge
10476         from a caller of a dispatcher.
10477         (expand_target_clones): Make the clones local.
10478         (ipa_target_clone): Do both target clones and resolvers.
10479         (ipa_dispatcher_calls): Remove the pass.
10480         (pass_dispatcher_calls::gate): Likewise.
10481         (make_pass_dispatcher_calls): Likewise.
10482         * passes.def (pass_target_clone): Put as very first IPA early
10483         pass.
10484
10485 2017-02-03  Martin Liska  <mliska@suse.cz>
10486
10487         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
10488         in case of a function with ifunc attribute.
10489
10490 2017-02-03  Martin Liska  <mliska@suse.cz>
10491
10492         * cgraph.c (cgraph_node::dump): Dump function version info.
10493         * symtab.c (symtab_node::dump_base): Add missing new line.
10494
10495 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
10496
10497         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
10498         (ifcombine_ifandif): Use it.
10499
10500 2017-02-03  Martin Liska  <mliska@suse.cz>
10501
10502         * doc/invoke.texi: Document default value for
10503         use-after-scope-direct-emission-threshold.
10504
10505 2017-02-03  Martin Liska  <mliska@suse.cz>
10506
10507         PR tree-optimization/79339
10508         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
10509         (format_floating): Likewise.
10510
10511 2017-02-03  Martin Liska  <mliska@suse.cz>
10512
10513         PR ipa/79337
10514         * ipa-prop.c (ipa_node_params_t::insert): Remove current
10515         implementation.
10516         (ipa_node_params_t::remove): Likewise.
10517         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
10518         initialization from removed ipa_node_params_t::insert.
10519         (ipa_node_params::~ipa_node_params): Move from removed
10520         ipa_node_params_t::release.
10521         * symbol-summary.h (symbol_summary::m_released): New member.
10522         Do not release a summary twice.  Do not allow to call finalizer
10523         for types of a summary that live in GGC memory.
10524
10525 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10526
10527         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
10528         cmp_branch fusion.
10529
10530 2017-02-02  Martin Sebor  <msebor@redhat.com>
10531
10532         PR middle-end/79275
10533         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
10534         (format_string): Tighten up the range of output for non-constant
10535         strings and correct the expected range for wide non-constant strings.
10536
10537 2017-02-02  Martin Sebor  <msebor@redhat.com>
10538
10539         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
10540
10541         PR middle-end/32003
10542         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
10543         index.
10544         (-fdump-tree-@var): Add to index and document how to come up
10545         with pass-specific option and dump file names.
10546         (-fdump-passes): Clarify where to look for output.
10547
10548 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
10549
10550         PR middle-end/77445
10551         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
10552         statistics of the analyzed path; allow threading for speed when
10553         any of BBs along the path are optimized for speed.
10554
10555 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
10556
10557         PR middle-end/78468
10558         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
10559         settings of the virtual registers.
10560
10561         Revert again
10562         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10563
10564         * explow.c (get_dynamic_stack_size): Take known alignment of stack
10565         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
10566         needed.
10567
10568 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10569
10570         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
10571         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
10572
10573 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10574
10575         * config/s390/s390.md: Add missing comments with the expanded
10576         mnemonics.
10577         * config/s390/vector.md: Likewise.
10578         * config/s390/vx-builtins.md: Likewise.
10579
10580 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
10581
10582         PR target/79197
10583         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
10584         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
10585         conditions on a single line.
10586
10587 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10588
10589         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
10590         __S390_VX__ to __VX__.
10591
10592 2017-02-01  Andrew Pinski  <apinski@cavium.com>
10593
10594         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
10595         stmt_info to record_stmt_cost.
10596         (vect_get_known_peeling_cost): Pass stmt_info if known to
10597         record_stmt_cost.
10598         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
10599         cpu_vector_cost field into
10600         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
10601         field into vec_int_stmt_cost and vec_fp_stmt_cost.
10602         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
10603         splitting of scalar_stmt_cost and vec_stmt_cost.
10604         (thunderx_vector_cost): Likewise.
10605         (cortexa57_vector_cost): LIkewise.
10606         (exynosm1_vector_cost): Likewise.
10607         (xgene1_vector_cost): Likewise.
10608         (thunderx2t99_vector_cost): Improve after the splitting of the two
10609         fields.
10610         (aarch64_builtin_vectorization_cost): Update for the splitting of
10611         scalar_stmt_cost and vec_stmt_cost.
10612
10613 2017-02-01  Torvald Riegel  <triegel@redhat.com>
10614             Richard Henderson  <rth@redhat.com>
10615
10616         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
10617         conditional on existance of a fast atomic load.
10618         * optabs-query.c (can_atomic_load_p): New function.
10619         * optabs-query.h (can_atomic_load_p): Declare it.
10620         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
10621         no fast atomic load is available for the particular size of access.
10622         (expand_atomic_compare_and_swap): Likewise.
10623         (expand_atomic_load): Likewise.
10624         (expand_atomic_store): Likewise.
10625         (expand_atomic_fetch_op): Likewise.
10626         * testsuite/lib/target-supports.exp
10627         (check_effective_target_sync_int_128): Remove x86 because it provides
10628         no fast atomic load.
10629         (check_effective_target_sync_int_128_runtime): Likewise.
10630
10631 2017-02-01  Richard Biener  <rguenther@suse.de>
10632
10633         * graphite.c: Include tree-vectorizer.h for find_loop_location.
10634         (graphite_transform_loops): Provide opt-info for optimized nests.
10635         * tree-parloop.c (parallelize_loops): Provide opt-info for
10636         parallelized loops.
10637
10638 2017-02-01  Richard Biener  <rguenther@suse.de>
10639
10640         PR middle-end/79315
10641         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
10642         was not set before.
10643
10644 2017-02-01  Richard Biener  <rguenther@suse.de>
10645
10646         PR tree-optimization/71824
10647         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
10648         Verify the loops are valid in the merged SESE region.
10649         (scop_detection::can_represent_loop_1): Check analyzing the
10650         evolution of the number of iterations in the region succeeds.
10651
10652 2017-01-31  Ian Lance Taylor  <iant@golang.org>
10653
10654         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
10655         REG_ARGS_SIZE note to 32-bit push insns and call insn.
10656
10657 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
10658
10659         PR preprocessor/79210
10660         * input.c (get_substring_ranges_for_loc): Replace line_width
10661         assertion with error-handling.
10662
10663 2017-01-31  Richard Biener  <rguenther@suse.de>
10664
10665         PR tree-optimization/77318
10666         * graphite-sese-to-poly.c (extract_affine): Fix assert.
10667         (create_pw_aff_from_tree): Take loop parameter.
10668         (add_condition_to_pbb): Pass loop of the condition to
10669         create_pw_aff_from_tree.
10670
10671 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
10672
10673         * config/s390/s390.c (s390_asan_shadow_offset): New function.
10674         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
10675
10676 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
10677
10678         PR target/78597
10679         PR target/79038
10680         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
10681         no longer used.
10682         (convert_int_to_float128): Likewise.
10683         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
10684         (convert_int_to_float128): Likewise.
10685         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
10686         (UNSPEC_IEEE128_CONVERT): Likewise.
10687         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
10688         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
10689         Use local variables for IBM extended format.
10690         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
10691         (fix_trunc<mode>si2_fprs): Likewise.
10692         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
10693         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
10694         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
10695         to know that we can now have integers of all sizes in vector
10696         registers.
10697         (fix<uns>_<mode>di2_hw): Likewise.
10698         (float<uns>_<mode>si2_hw): Likewise.
10699         (fix_<mode>si2_hw): Likewise.
10700         (fixuns_<mode>si2_hw): Likewise.
10701         (float<uns>_<mode>di2_hw): Likewise.
10702         (float_<mode>di2_hw): Likewise.
10703         (float_<mode>si2_hw): Likewise.
10704         (floatuns_<mode>di2_hw): Likewise.
10705         (floatuns_<mode>si2_hw): Likewise.
10706         (xscvqp<su>wz_<mode>): Delete, no longer used.
10707         (xscvqp<su>dz_<mode>): Likewise.
10708         (xscv<su>dqp_<mode>): Likewise.
10709         (ieee128_mfvsrd_64bit): Likewise.
10710         (ieee128_mfvsrd_32bit): Likewise.
10711         (ieee128_mfvsrwz): Likewise.
10712         (ieee128_mtvsrw): Likewise.
10713         (ieee128_mtvsrd_64bit): Likewise.
10714         (ieee128_mtvsrd_32bit): Likewise.
10715
10716 2017-01-31  Martin Liska  <mliska@suse.cz>
10717
10718         PR ipa/79285
10719         * ipa-prop.c (ipa_free_all_node_params): Call release method
10720         instead of ~sumbol_summary to not to trigger double times
10721         dtor of hash_map.
10722
10723 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
10724
10725         PR tree-optimization/71691
10726         * bitmap.h (class auto_bitmap): New.
10727         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
10728         is_maybe_undefined instead of ssa_undefined_value_p.
10729
10730 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10731
10732         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
10733         __S390_ARCH_LEVEL__ to __ARCH__.
10734
10735 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
10736
10737         PR tree-optimization/79267
10738         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
10739         if should_remove_lhs_p is true.
10740
10741 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
10742
10743         PR debug/63238
10744         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
10745         (add_alignment_attribute): New.
10746         (base_type_die): Add alignment attribute.
10747         (subrange_type_die): Likewise.
10748         (modified_type_die): Likewise.
10749         (gen_array_type_die): Likewise.
10750         (gen_descr_array_type_die: Likewise.
10751         (gen_enumeration_type_die): Likewise.
10752         (gen_subprogram_die): Likewise.
10753         (gen_variable_die): Likewise.
10754         (gen_field_die): Likewise.
10755         (gen_ptr_to_mbr_type_die): Likewise.
10756         (gen_struct_or_union_type_die): Likewise.
10757         (gen_subroutine_type_die): Likewise.
10758         (gen_typedef_die): Likewise.
10759         (base_type_cmp): Compare alignment attribute.
10760
10761 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
10762
10763         PR target/79170
10764         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
10765         (setb_unsigned) New pattern for setb with CCUNS.
10766         * config/rs6000/rs6000.c (expand_block_compare): Use a different
10767         subfc./subfe sequence to avoid overflow problems.  Generate a
10768         shorter sequence with cmpld/setb for power9.
10769         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
10770         for generating subfc. instruction.
10771         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
10772         now uses this instruction.
10773
10774 2017-01-30  Ian Lance Taylor  <iant@google.com>
10775
10776         PR debug/79289
10777         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
10778         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
10779
10780 2017-01-30  Martin Sebor  <msebor@redhat.com>
10781
10782         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
10783         Move constant to the right of a relational operator.
10784         (get_mpfr_format_length, format_character, format_string): Ditto.
10785         (should_warn_p, maybe_warn): Same.
10786
10787         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
10788
10789 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
10790
10791         PR lto/79061
10792         * asan.c (get_translation_unit_decl): Remove function.
10793         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
10794
10795 2017-01-30  Martin Liska  <mliska@suse.cz>
10796
10797         PR gcov-profile/79259
10798         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
10799         -fprofile-generate.
10800
10801 2017-01-30  Martin Liska  <mliska@suse.cz>
10802
10803         PR bootstrap/78985
10804         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
10805         Initialize variables with NULL value.
10806
10807 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
10808
10809         PR target/79260
10810         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
10811         tm_p_file.
10812         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
10813
10814 2017-01-30  Richard Biener  <rguenther@suse.de>
10815
10816         PR tree-optimization/79276
10817         * tree-vrp.c (process_assert_insertions): Properly adjust common
10818         when removing a duplicate.
10819
10820         * gcc.dg/torture/pr79276.c: New testcase.
10821
10822 2017-01-30  Richard Biener  <rguenther@suse.de>
10823
10824         PR tree-optimization/79256
10825         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
10826         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
10827         alignment on TYPE.
10828         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
10829
10830 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10831
10832         PR target/79240
10833         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
10834         ("*r<noxa>sbg_<mode>_sll_bitmask")
10835         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
10836         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
10837         Use contiguous_bitmask_nowrap_operand.
10838
10839 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10840
10841         PR target/79268
10842         * config/rs6000/altivec.h (vec_xl): Revise #define.
10843         (vec_xst): Likewise.
10844
10845 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
10846
10847         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
10848
10849 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
10850
10851         PR rtl-optimization/79194
10852         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
10853         traps before call to bypass_conditional_jumps.
10854
10855 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
10856
10857         PR tree-optimization/71374
10858         * lra-constraints.c (check_conflict_input_operands): New.
10859         (match_reload): Use it.
10860
10861 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
10862
10863         PR target/79131
10864         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
10865         account to calculate conflict_set.
10866
10867 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
10868
10869         PR rtl-optimization/78559
10870         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
10871         other_insn in combine.
10872
10873 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
10874
10875         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
10876         uint16_type_node for BT_UINT16.
10877
10878 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
10879
10880         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
10881         "RTL Tests" to menu.
10882         (GIMPLE Tests): New node.
10883         (RTL Tests): New node.
10884
10885 2017-01-27  Richard Biener  <rguenther@suse.de>
10886
10887         PR tree-optimization/79245
10888         * tree-loop-distribution.c (distribute_loop): Apply cost
10889         modeling also to detected patterns.
10890
10891 2017-01-27  Richard Biener  <rguenther@suse.de>
10892
10893         PR tree-optimization/71433
10894         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
10895         (compare_assert_loc): New function.
10896         (process_assert_insertions): Sort and optimize assert locations
10897         to remove duplicates and push down identical assertions on
10898         edges to their destination block.
10899
10900 2017-01-27  Richard Biener  <rguenther@suse.de>
10901
10902         PR tree-optimization/79244
10903         * tree-vrp.c (remove_range_assertions): Forcefully propagate
10904         out SSA names even if abnormal.
10905
10906 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
10907
10908         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
10909         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
10910         instead of MPFR_RNDN.
10911
10912 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
10913
10914         PR target/79239
10915         * arm.c (arm_option_override): Don't call build_target_option_node
10916         until after doing all option overrides.
10917         (arm_valid_target_attribute_tree): Likewise.
10918
10919 2017-01-27  Martin Liska  <mliska@suse.cz>
10920
10921         * doc/invoke.texi (-fprofile-arcs): Document profiling support
10922         for {cd}tors and C++ {cd}tors.
10923
10924 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10925
10926         * config/s390/s390.md ("*setmem_long_and")
10927         ("*setmem_long_and_31z"): Use zero_extend instead of and.
10928
10929 2017-01-26  Martin Sebor  <msebor@redhat.com>
10930
10931         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
10932         of precision.
10933
10934 2017-01-26  Martin Sebor  <msebor@redhat.com>
10935
10936         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
10937         HAVE_DFmode before using XFmode or DFmode.
10938         (parse_directive): Avoid using the z length modifier to avoid
10939         the ISO C++98 does not support the ‘z’ gnu_printf length modifier.
10940
10941         PR middle-end/78703
10942         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
10943         to accept adjustment as an array.
10944         (get_int_range): New function.
10945         (struct directive): Make width and prec arrays.
10946         (directive::set_width, directive::set_precision): Call get_int_range.
10947         (format_integer, format_floating): Handle width and precision ranges.
10948         (format_string, parse_directive): Same.
10949
10950 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
10951
10952         PR debug/79129
10953         * dwarf2out.c (generate_skeleton_bottom_up): For children with
10954         comdat_type_p set, just clone them, but keep the children in the
10955         original DIE.
10956
10957         PR debug/78835
10958         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
10959         which have direct callers with -fvar-tracking-assignments enabled
10960         in the current TU.
10961         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
10962         inside of type units.
10963
10964 2017-01-26  Martin Sebor  <msebor@redhat.com>
10965
10966         PR middle-end/78703
10967         * gimple-ssa-sprintf.c (struct result_range): Add likely and
10968         unlikely counters.
10969         (struct format_result): Replace number_chars, number_chars_min,
10970         and number_chars_max with a single member of struct result_range.
10971         Remove bounded.
10972         (format_result::operator+=): Adjust.
10973         (struct fmtresult): Remove bounded.  Handle likely and unlikely
10974         counters.
10975         (fmtresult::adjust_for_width_or_precision): New function.
10976         (fmtresult:type_max_digits): New function.
10977         (bytes_remaining): Handle likely and unlikely counters.
10978         (min_bytes_remaining): Remove.
10979         (format_percent): Simplify.
10980         (format_integer, format_floating): Set likely and unlikely counters.
10981         (get_string_length, format_character, format_string): Same.
10982         (format_plain, should_warn_p): New function.
10983         (maybe_warn): Call should_warn_p.  Update diagnostic messages
10984         and handle those for all directives, including plain strings.
10985         (format_directive): Handle likely and unlikely counters.
10986         Remove unnecessary quoting from diagnostics.  Add an informational
10987         note.
10988         (add_bytes): Remove.
10989         (pass_sprintf_length::compute_format_length): Simplify.
10990         (try_substitute_return_value): Handle likely and unlikely counters.
10991
10992 2017-01-26  Carl Love  <cel@us.ibm.com>
10993
10994         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
10995         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
10996
10997 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
10998
10999         PR target/79131
11000         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
11001         endianess for subregs into account.
11002         * lra-constraints.c (lra_constraints): Do risky transformations
11003         always on the first iteration.
11004         * lra-lives.c (check_pseudos_live_through_calls): Add arg
11005         last_call_used_reg_set.
11006         (process_bb_lives): Define and use last_call_used_reg_set.
11007         * lra.c (lra): Always continue after lra_constraints on the first
11008         iteration.
11009
11010 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
11011
11012         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
11013         constant.
11014         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
11015
11016 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
11017
11018         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
11019         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
11020         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
11021         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
11022         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
11023         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
11024         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
11025         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
11026         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
11027
11028 2017-01-26  Marek Polacek  <polacek@redhat.com>
11029
11030         PR c/79199
11031         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
11032         for the third operand.
11033
11034 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
11035
11036         PR middle-end/79236
11037         * omp-low.c (struct omp_context): Add simt_stmt field.
11038         (scan_omp_for): Return omp_context *.
11039         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
11040         context to the _simt_ SIMD stmt.
11041         (lower_omp_for): For combined SIMD with sibling _simt_
11042         SIMD, make sure to use the same decls in _looptemp_
11043         clauses as in the sibling.
11044
11045 2017-01-26  David Sherwood  <david.sherwood@arm.com>
11046
11047         PR middle-end/79212
11048         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
11049         all contexts.
11050
11051 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
11052
11053         PR target/70465
11054         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
11055         emit fld b; fld a; if possible.
11056
11057         * brig-builtins.def: Update copyright years.
11058         * config/arm/arm_acle_builtins.def: Update copyright years.
11059
11060 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
11061
11062         PR target/79179
11063         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
11064         constraint instead of o for the stxsd instruction.
11065
11066 2017-01-25  Carl Love  <cel@us.ibm.com>
11067
11068         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
11069         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
11070
11071 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
11072
11073         * doc/invoke.texi (C++ Dialect Options): Fix typo.
11074
11075 2017-01-25  Richard Biener  <rguenther@suse.de>
11076
11077         PR tree-optimization/69264
11078         * target.def (vector_alignment_reachable): Improve documentation.
11079         * doc/tm.texi: Regenerate.
11080         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
11081         and add a comment.
11082         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
11083         earlier changes with respect to TYPE_USER_ALIGN.
11084         (vector_alignment_reachable_p): Likewise.  Improve dumping.
11085
11086 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11087
11088         PR target/79145
11089         * config/arm/arm.md (xordi3): Force constant operand into a register
11090         for TARGET_IWMMXT.
11091
11092 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11093
11094         * doc/invoke.texi (-fstore-merging): Correct default optimization
11095         levels at which it is enabled.
11096         (-O): Move -fstore-merging from list to...
11097         (-O2): ... Here.
11098
11099 2017-01-25  Richard Biener  <rguenther@suse.de>
11100
11101         PR debug/78363
11102         * omp-expand.c: Include debug.h.
11103         (expand_omp_taskreg): Make sure to generate early debug before
11104         outlining anything from a function.
11105         (expand_omp_target): Likewise.
11106         (grid_expand_target_grid_body): Likewise.
11107
11108 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
11109
11110         PR lto/79061
11111         * asan.c (get_translation_unit_decl): New function.
11112         (asan_add_global): Extract modules file name from globals
11113         TRANSLATION_UNIT_DECL name.
11114
11115 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
11116
11117         PR target/77439
11118         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
11119         for long calls with APCS frame and VFP.
11120
11121 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
11122
11123         * cfg.c (original_copy_tables_initialized_p): New function.
11124         * cfg.h (original_copy_tables_initialized_p): New decl.
11125         * cfgrtl.c (relink_block_chain): Guard the call to
11126         free_original_copy_tables with a call to
11127         original_copy_tables_initialized_p.
11128         * cgraph.h (symtab_node::native_rtl_p): New decl.
11129         * cgraphunit.c (symtab_node::native_rtl_p): New function.
11130         (symtab_node::needed_p): Don't assert for early assembly output
11131         for __RTL functions.
11132         (cgraph_node::finalize_function): Set "force_output" for __RTL
11133         functions.
11134         (cgraph_node::analyze): Bail out early for __RTL functions.
11135         (analyze_functions): Update assertion to support __RTL functions.
11136         (cgraph_node::expand): Bail out early for __RTL functions.
11137         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
11138         __RTL functions.
11139         * function.h (struct function): Update comment for field
11140         "pass_startwith".
11141         * gimple-expr.c: Include "tree-pass.h".
11142         (gimple_has_body_p): Return false for __RTL functions.
11143         * Makefile.in (OBJS): Add run-rtl-passes.o.
11144         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
11145         accessor.
11146         (gcc::pass_manager::get_clean_slate): New accessor.
11147         * passes.c: Include "insn-addr.h".
11148         (should_skip_pass_p): Add logging.  Update logic for running
11149         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
11150         property-provider override so it is only done for gimple passes.
11151         Don't skip dfinit.
11152         (skip_pass): New function.
11153         (execute_one_pass): Call skip_pass when skipping passes.
11154         * read-md.c (md_reader::read_char): Support filtering
11155         the input to a subset of line numbers.
11156         (md_reader::md_reader): Initialize fields
11157         m_first_line and m_last_line.
11158         (md_reader::read_file_fragment): New function.
11159         * read-md.h (md_reader::read_file_fragment): New decl.
11160         (md_reader::m_first_line): New field.
11161         (md_reader::m_last_line): New field.
11162         * read-rtl-function.c (function_reader::create_function): Only
11163         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
11164         curr_properties.  Set DECL_INITIAL to a dummy block.
11165         (read_rtl_function_body_from_file_range): New function.
11166         * read-rtl-function.h (read_rtl_function_body_from_file_range):
11167         New decl.
11168         * run-rtl-passes.c: New file.
11169         * run-rtl-passes.h: New file.
11170
11171 2017-01-24  Jeff Law  <law@redhat.com>
11172
11173         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
11174         buffer size.
11175
11176 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
11177
11178         PR tree-optimization/79159
11179         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
11180         (record_nonwrapping_iv): Improve boundary using above function if no
11181         value range information.
11182
11183 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
11184             Martin Jambor  <mjambor@suse.cz>
11185
11186         * brig-builtins.def: New file.
11187         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
11188         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
11189         (DEF_HSAIL_SAT_BUILTIN): Likewise.
11190         (DEF_HSAIL_INTR_BUILTIN): Likewise.
11191         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
11192         * builtin-types.def (BT_INT8): New.
11193         (BT_INT16): Likewise.
11194         (BT_UINT8): Likewise.
11195         (BT_UINT16): Likewise.
11196         (BT_FN_ULONG): Likewise.
11197         (BT_FN_UINT_INT): Likewise.
11198         (BT_FN_UINT_ULONG): Likewise.
11199         (BT_FN_UINT_LONG): Likewise.
11200         (BT_FN_UINT_PTR): Likewise.
11201         (BT_FN_ULONG_PTR): Likewise.
11202         (BT_FN_INT8_FLOAT): Likewise.
11203         (BT_FN_INT16_FLOAT): Likewise.
11204         (BT_FN_UINT32_FLOAT): Likewise.
11205         (BT_FN_UINT16_FLOAT): Likewise.
11206         (BT_FN_UINT8_FLOAT): Likewise.
11207         (BT_FN_UINT64_FLOAT): Likewise.
11208         (BT_FN_UINT16_UINT32): Likewise.
11209         (BT_FN_UINT32_UINT16): Likewise.
11210         (BT_FN_UINT16_UINT16_UINT16): Likewise.
11211         (BT_FN_INT_PTR_INT): Likewise.
11212         (BT_FN_UINT_PTR_UINT): Likewise.
11213         (BT_FN_LONG_PTR_LONG): Likewise.
11214         (BT_FN_ULONG_PTR_ULONG): Likewise.
11215         (BT_FN_VOID_UINT64_UINT64): Likewise.
11216         (BT_FN_UINT8_UINT8_UINT8): Likewise.
11217         (BT_FN_INT8_INT8_INT8): Likewise.
11218         (BT_FN_INT16_INT16_INT16): Likewise.
11219         (BT_FN_INT_INT_INT): Likewise.
11220         (BT_FN_UINT_FLOAT_UINT): Likewise.
11221         (BT_FN_FLOAT_UINT_UINT): Likewise.
11222         (BT_FN_ULONG_UINT_UINT): Likewise.
11223         (BT_FN_ULONG_UINT_PTR): Likewise.
11224         (BT_FN_ULONG_ULONG_ULONG): Likewise.
11225         (BT_FN_UINT_UINT_UINT): Likewise.
11226         (BT_FN_VOID_UINT_PTR): Likewise.
11227         (BT_FN_UINT_UINT_PTR: Likewise.
11228         (BT_FN_UINT32_UINT64_PTR): Likewise.
11229         (BT_FN_INT_INT_UINT_UINT): Likewise.
11230         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
11231         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
11232         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
11233         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
11234         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
11235         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
11236         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
11237         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
11238         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
11239         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
11240         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
11241         * doc/frontends.texi: List BRIG FE.
11242         * doc/install.texi (Testing): Add BRIG tesring requirements.
11243         * doc/invoke.texi (Overall Options): Mention BRIG.
11244         * doc/standards.texi (Standards): Doucment BRIG HSA version.
11245
11246 2017-01-24  Richard Biener  <rguenther@suse.de>
11247
11248         PR translation/79208
11249         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
11250
11251 2017-01-24  Martin Jambor  <mjambor@suse.cz>
11252
11253         PR bootstrap/79198
11254         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
11255         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
11256         and known_contexts.
11257
11258 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
11259
11260         PR middle-end/79123
11261         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
11262         casts from signed to unsigned really don't have a range.
11263
11264 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
11265
11266         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
11267         GMP_RNDx for compatiblity.
11268
11269 2017-01-24  Martin Liska  <mliska@suse.cz>
11270
11271         PR bootstrap/79132
11272         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
11273         that would prevent us to call alloca with -1 as argument.
11274
11275 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
11276
11277         * dwarf2out.c (output_compilation_unit_header, output_file_names):
11278         Avoid -Wformat-security warning.
11279
11280 2017-01-23  Andrew Pinski  <apinski@cavium.com>
11281
11282         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
11283         cost table.
11284
11285 2017-01-23  Martin Sebor  <msebor@redhat.com>
11286
11287         PR middle-end/78703
11288         * gimple-ssa-sprintf.c (warn_level): New global.
11289         (format_integer): Use it here and throughout the rest of the file.
11290         Use the same switch to compute sign as base.
11291         (maybe_warn): New function.
11292         (format_directive): Factor out warnings into maybe_warn.
11293         Add debugging output.  Use warn_level.
11294         (add_bytes): Use warn_level.
11295         (pass_sprintf_length::compute_format_length): Add debugging output.
11296         (try_substitute_return_value): Same.
11297         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
11298
11299         PR middle-end/78703
11300         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
11301         (struct fmtresult, format_integer, format_floating): Adjust.
11302         (fmtresult::fmtresult): Set max correctly in two argument ctor.
11303         (get_string_length, format_string,format_directive): Same.
11304         (pass_sprintf_length::compute_format_length): Same.
11305         (try_substitute_return_value): Simplify slightly.
11306
11307         PR middle-end/78703
11308         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
11309         (fmtresult::operator+=): Outlined.
11310         (struct fmtresult): Add ctors.
11311         (struct conversion_spec): Rename...
11312         (struct directive): ...to this.  Add and remove data members.
11313         (directive::set_width, directive::set_precision): New functions.
11314         (format_percent): Use fmtresult ctor.
11315         (get_width_and_precision): Remove.
11316         (format_integer): Make naming changes.  Avoid computing width and
11317         precision.
11318         (format_floating): Same.  Adjust indentation.
11319         (format_character, format_none): New functions.
11320         (format_string): Moved character handling to format_character.
11321         (format_directive): Remove arguments, change return type.
11322         (parse_directive): New function.
11323         (pass_sprintf_length::compute_format_length): Move directive
11324         parsing to parse_directive.
11325
11326 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
11327
11328         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
11329         (assign_assembler_name_if_needed): ... this.
11330         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
11331         (assign_assembler_name_if_needed): ... this.
11332         (free_lang_data_in_cgraph): Adjust callers.
11333         * cgraphunit.c (cgraph_node::analyze): Likewise.
11334         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
11335         Likewise.
11336
11337 2017-01-23  Richard Biener  <rguenther@suse.de>
11338
11339         PR tree-optimization/79088
11340         PR tree-optimization/79188
11341         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
11342         resetting loop bounds after last path deletion.  Reset loop
11343         bounds of the target loop, make code match the comments.
11344         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
11345         Make sure loops need no fixups.
11346
11347 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
11348
11349         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
11350         exponent support with double type for first argument.
11351         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
11352         type returned by __builtin_vec_extract_sig,
11353         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
11354         functions from "vector int" to "vector unsigned int" or from
11355         "vector long long int" to "vector unsigned long long int".
11356         Changed type returned by __builtin_vec_extract_exp,
11357         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
11358         functions from "vector int" to "vector unsigned int" or from
11359         "vector long long int" to "vector unsigned long long int".
11360         Changed return type of __builtin_vec_test_data_class,
11361         __builtin_vec_test_data_class_sp, and
11362         __builtin_vec_test_data_class_dp from "vector int" to
11363         "vector bool int" or from "vector long long int" to "vector bool
11364         long long int" and changed second argument type from "unsigned
11365         int" to "int".  Added new overloaded function forms "vector float
11366         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
11367         "vector float __builtin_vec_insert_exp_sp (vector float, vector
11368         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
11369         double, vector unsigned long long int)" and "vector double
11370         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
11371         long int)".  Changed return type of
11372         __builtin_scalar_test_data_class and
11373         __builtin_scalar_test_data_class_sp and
11374         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
11375         int" and changed second argument from "unsigned int" to "int".
11376         Changed type returned by __builtin_scalar_test_neg,
11377         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
11378         from "int" to "bool int".  Added new overloaded function form
11379         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
11380         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
11381         exponent double-precision with floating point first argument.
11382         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
11383         documentation of scalar_test_data_class, scalar_test_neg,
11384         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
11385         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
11386         vec_test_data_class built-in functions to reflect refinements in
11387         their type signatures.
11388
11389 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
11390
11391         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
11392         size of buf.
11393         (aarch64_elf_asm_destructor): Likewise.
11394
11395 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
11396
11397         PR rtl-optimization/78634
11398         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
11399         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
11400         * ifcvt.c (noce_try_cmove): Add missing cost check.
11401
11402         PR rtl-optimization/71724
11403         * combine.c (if_then_else_cond): Look for situations where it is
11404         beneficial to undo the work of one of the recursive calls.
11405
11406 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
11407
11408         PR tree-optimization/70754
11409         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
11410         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
11411         combined stmt before it if not NULL.
11412         (combine_chains): Process refs reversely and compute dominance point
11413         for root ref.
11414
11415 2017-01-23  Martin Liska  <mliska@suse.cz>
11416
11417         PR tree-optimization/79196
11418         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
11419         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
11420         instead of memcmp.
11421         (strlen_optimize_stmt): Call the renamed function.
11422
11423 2017-01-23  Michael Matz  <matz@suse.de>
11424
11425         PR tree-optimization/78384
11426         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
11427
11428 2017-01-23  Richard Biener  <rguenther@suse.de>
11429
11430         PR tree-optimization/79186
11431         * tree-vrp.c (register_new_assert_for): Make sure we've seen
11432         both incoming edges before moving an assert.
11433
11434 2017-01-23  Martin Jambor  <mjambor@suse.cz>
11435
11436         * ipa-prop.c (load_from_param_1): Removed.
11437         (load_from_unmodified_param): Bits from load_from_param_1 put back
11438         here.
11439         (load_from_param): Removed.
11440         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
11441         with stmt.  Reverted back to use of load_from_unmodified_param.
11442
11443 2017-01-23  Martin Jambor  <mjambor@suse.cz>
11444
11445         PR ipa/79108
11446         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
11447         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
11448         field a pointer to garbage collected vector, mark lattices and
11449         ipcp_orig_node with GTY((skip)).
11450         (ipa_get_param_count): Adjust to descriptors being a pointer.
11451         (ipa_get_param): Likewise.
11452         (ipa_get_type): Likewise.
11453         (ipa_get_param_move_cost): Likewise.
11454         (ipa_set_param_used): Likewise.
11455         (ipa_get_controlled_uses): Likewise.
11456         (ipa_set_controlled_uses): Likewise.
11457         (ipa_is_param_used): Likewise.
11458         (ipa_node_params_t): Move into garbage collector.  New methods insert
11459         and remove.
11460         (ipa_node_params_sum): Annotate wth GTY(()).
11461         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
11462         garbage collected.
11463         (ipa_load_from_parm_agg): Adjust declaration.
11464         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
11465         * ipa-profile.c (ipa_profile): Likewise.
11466         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
11467         (ipa_populate_param_decls): Make descriptors parameter garbage
11468         collected.
11469         (ipa_dump_param): Adjust to descriptors being a pointer.
11470         (ipa_alloc_node_params): Likewise.
11471         (ipa_initialize_node_params): Likewise.
11472         (load_from_param_1): Make descriptors parameter garbage collected.
11473         (load_from_unmodified_param): Likewise.
11474         (load_from_param): Likewise.
11475         (ipa_load_from_parm_agg): Likewise.
11476         (ipa_node_params::~ipa_node_params): Removed.
11477         (ipa_free_all_node_params): Remove call to delete operator.
11478         (ipa_node_params_t::insert): New.
11479         (ipa_node_params_t::remove): Likewise.
11480         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
11481         copy known_csts and known_contexts vectors.
11482         (ipa_read_node_info): Adjust to descriptors being a pointer.
11483         (ipcp_modif_dom_walker): Make m_descriptors field garbage
11484         collected.
11485         (ipcp_transform_function): Make descriptors variable garbage
11486         collected.
11487
11488 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
11489
11490         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
11491         * config/i386/avx512dqintrin.h: Ditto.
11492         * config/i386/avx512fintrin.h: Ditto.
11493         * gcc/config/i386/i386.c: Handle new builtins.
11494         * config/i386/i386-builtin.def: Add new builtins.
11495         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
11496         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
11497
11498 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
11499             Martin Liska  <mliska@suse.cz>
11500
11501         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
11502         * asan.c (asan_expand_poison_ifn): Support stores and use
11503         appropriate ASAN report function.
11504         * internal-fn.c (expand_ASAN_POISON_USE): New function.
11505         * internal-fn.def (ASAN_POISON_USE): Declare.
11506         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
11507         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
11508         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
11509         ASAN_POISON calls w/o LHS.
11510         * tree-ssa.c (execute_update_addresses_taken): Create clobber
11511         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
11512         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
11513         * gimplify.c (asan_poison_variables): Add attribute
11514         use_after_scope_memory to variables that really needs to live
11515         in memory.
11516         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
11517         having the attribute.
11518
11519 2017-01-23  Martin Liska  <mliska@suse.cz>
11520
11521         * asan.c (create_asan_shadow_var): New function.
11522         (asan_expand_poison_ifn): Likewise.
11523         * asan.h (asan_expand_poison_ifn): New declaration.
11524         * internal-fn.c (expand_ASAN_POISON): Likewise.
11525         * internal-fn.def (ASAN_POISON): New builtin.
11526         * sanopt.c (pass_sanopt::execute): Expand
11527         asan_expand_poison_ifn.
11528         * tree-inline.c (copy_decl_for_dup_finish): Make function
11529         external.
11530         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
11531         * tree-ssa.c (is_asan_mark_p): New function.
11532         (execute_update_addresses_taken): Rewrite local variables
11533         (identified just by use-after-scope as addressable) into SSA.
11534
11535 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
11536
11537         * doc/install.texi (Specific): opensource.apple.com uses https
11538         now. Remove trailing slash.
11539
11540 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
11541
11542         * README.Portability: Remove note on an Irix compatibility issue.
11543
11544 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
11545
11546         * gcov.c (INCLUDE_ALGORITHM): Define.
11547         (INCLUDE_VECTOR): Define.
11548         No longer include <vector> and <algorithm> directly.
11549
11550 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
11551
11552         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
11553         to https.
11554         * doc/invoke.texi (Code Gen Options): Ditto.
11555
11556 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
11557
11558         PR lto/78407
11559         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
11560
11561 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
11562
11563         rtl-optimization/79125
11564         * cprop.c (local_cprop_pass): Handle cases where we make an
11565         unconditional trap.
11566
11567 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
11568
11569         PR target/61729
11570         PR target/77850
11571         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
11572         read from, for big endian.
11573
11574 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
11575
11576         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
11577         register pauth builtins for LP64 only.
11578
11579 2017-01-20  Marek Polacek  <polacek@redhat.com>
11580
11581         PR c/79152
11582         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
11583         non-case labels.
11584
11585 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
11586
11587         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
11588         of safelen status.
11589         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
11590         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
11591         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
11592
11593 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11594
11595         PR target/71270
11596         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
11597         in big-endian mode when they are not a single duplicated value.
11598
11599 2017-01-20  Richard Biener  <rguenther@suse.de>
11600
11601         * BASE-VER: Bump to 7.0.1.
11602
11603 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
11604
11605         * omp-low.c (omplow_simd_context): New struct.  Use it...
11606         (lower_rec_simd_input_clauses): ...here and...
11607         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
11608         references to idx, lane, max_vf, is_simt.
11609
11610 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
11611
11612         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
11613         mcpu=nps400.
11614
11615 2017-01-20  Martin Jambor  <mjambor@suse.cz>
11616
11617         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
11618         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
11619         gt-hsa-common.h.
11620         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
11621         (GTFILES): Rename hsa.c to hsa-common.c.
11622         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
11623         * hsa-dump.c: Likewise.
11624         * hsa-gen.c: Likewise.
11625         * hsa-regalloc.c: Likewise.
11626         * ipa-hsa.c: Likewise.
11627         * omp-expand.c: Likewise.
11628         * omp-low.c: Likewise.
11629         * toplev.c: Likewise.
11630
11631 2017-01-20  Marek Polacek  <polacek@redhat.com>
11632
11633         PR c/64279
11634         * doc/invoke.texi: Document -Wduplicated-branches.
11635         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
11636         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
11637         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
11638         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
11639         return 0 only when not OEP_LEXICOGRAPHIC.
11640         (fold_build_cleanup_point_expr): Use the expression
11641         location when building CLEANUP_POINT_EXPR.
11642         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
11643         * tree.c (add_expr): Handle error_mark_node.
11644
11645 2017-01-20  Martin Liska  <mliska@suse.cz>
11646
11647         PR lto/69188
11648         * tree-profile.c (init_ic_make_global_vars): Do not call
11649         finalize_decl.
11650         (gimple_init_gcov_profiler): Likewise.
11651
11652 2017-01-20  Martin Liska  <mliska@suse.cz>
11653
11654         PR ipa/71190
11655         * cgraph.h (maybe_create_reference): Remove argument and
11656         update comment.
11657         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
11658         argument.
11659         * ipa-cp.c (create_specialized_node): Likewise.
11660         * symtab.c (symtab_node::maybe_create_reference): Handle
11661         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
11662
11663 2017-01-20  Martin Liska  <mliska@suse.cz>
11664
11665         * read-rtl-function.c (function_reader::create_function): Use
11666         build_decl instread of build_decl_stat.
11667
11668 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
11669
11670         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
11671         * config/i386/avx512dqintrin.h: Ditto.
11672         * config/i386/avx512fintrin.h: Ditto.
11673         * config/i386/i386-builtin-types.def: Add new types.
11674         * gcc/config/i386/i386.c: Handle new types.
11675         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
11676         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
11677         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
11678         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
11679         (__builtin_ia32_kshiftridi): New.
11680         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
11681
11682 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
11683
11684         PR target/78875
11685         PR target/79140
11686         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
11687         define to rs6000_init_stack_protect_guard.
11688         (rs6000_init_stack_protect_guard): New function.
11689
11690 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
11691             Yunqiang Su  <yunqiang.su@imgtec.com>
11692
11693         * config.gcc (supported_defaults): Add madd4.
11694         (with_madd4): Add validation.
11695         (all_defaults): Add madd4.
11696         * config/mips/mips.opt (mmadd4): New option.
11697         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
11698         mmadd4.
11699         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
11700         __mips_no_madd4.
11701         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
11702         (ISA_HAS_FUSED_MADD4): Likewise.
11703         * gcc/doc/invoke.texi (-mmadd4): Document the new option.
11704         * gcc/doc/install.texi (--with-madd4): Document the new option.
11705
11706 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
11707
11708         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
11709         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
11710         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
11711         (aarch64_init_pauth_hint_builtins): New.
11712         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
11713         (aarch64_expand_builtin): Expand new builtins.
11714
11715 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
11716
11717         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
11718         * combine-stack-adj.c (no_unhandled_cfa): Handle
11719         REG_CFA_TOGGLE_RA_MANGLE.
11720         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
11721         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
11722         info for return address signing.
11723         (aarch64_expand_epilogue): Likewise.
11724
11725 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
11726
11727         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
11728         * config/aarch64/aarch64-protos.h
11729         (aarch64_return_address_signing_enabled): New declaration.
11730         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
11731         New function.
11732         (aarch64_expand_prologue): Sign return address before it's pushed onto
11733         stack.
11734         (aarch64_expand_epilogue): Authenticate return address fetched from
11735         stack.
11736         (aarch64_override_options): Sanity check for ILP32 and ISA level.
11737         (aarch64_attributes): New function attributes for "sign-return-address".
11738         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
11739         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
11740         ("*do_return"): Generate combined instructions according to key index.
11741         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
11742         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
11743         iterators.
11744         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
11745         * config/aarch64/aarch64.opt (msign-return-address=): New.
11746         * doc/extend.texi (AArch64 Function Attributes): Documents
11747         "sign-return-address=".
11748         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
11749
11750 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
11751
11752         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
11753         overall option summary.
11754
11755 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
11756
11757         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
11758         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
11759         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
11760         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
11761
11762 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
11763
11764         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
11765         -mpower9-minmax by default for -mcpu=power9.
11766         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
11767         128-bit floating point.
11768
11769 2017-01-20  Alan Modra  <amodra@gmail.com>
11770
11771         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
11772         optimizing for size.
11773
11774 2017-01-20  Alan Modra  <amodra@gmail.com>
11775
11776         PR target/79144
11777         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
11778         for strcmp and strncmp from corresponding builtin decl.
11779
11780 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
11781
11782         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
11783         instead of i386/rtems-64.h.
11784         * config/i386/rtems-64.h: Remove.
11785
11786 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
11787
11788         PR target/78478
11789         Revert:
11790         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
11791
11792         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
11793
11794 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
11795
11796         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
11797         Change int to HOST_WIDE_INT.
11798         * config/aarch64/aarch64-protos.h
11799         (aarch64_simd_gen_const_vector_dup): Likewise.
11800         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
11801
11802 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
11803
11804         * langhooks-def.h (lhd_type_for_size): New decl.
11805         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
11806         * langhooks.c (lhd_type_for_size): New function, taken from
11807         lto_type_for_size.
11808
11809 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
11810
11811         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
11812         define_bypass for CR latency.
11813         (power9-cracked-alu): Update bypass latency and remove power9-branch.
11814         (power9-alu2): Add define_bypass for CR latency.
11815         (power9-cmp): New.
11816         (power9-mul): Update insn latency.
11817         (power9-mul-compare): Update insn latency, bypass latency and remove
11818         power9-branch.
11819
11820 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11821
11822         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
11823         Delete.
11824         * config/aarch64/aarch64.md
11825         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
11826         aarch64_nopcrelative_literal_loads.
11827         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
11828
11829 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
11830
11831         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
11832         TARGET_LOONGSON_3A.
11833         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
11834
11835 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
11836
11837         PR target/78176
11838         * config.gcc (supported_defaults): Add lxc1-sxc1.
11839         (with_lxc1_sxc1): Add validation.
11840         (all_defaults): Add lxc1-sxc1.
11841         * config/mips/mips.opt (mlxc1-sxc1): New option.
11842         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
11843         mlxc1-sxc1.
11844         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
11845         __mips_no_lxc1_sxc1.
11846         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
11847         * gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option.
11848         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
11849
11850 2017-01-19  Richard Biener  <rguenther@suse.de>
11851
11852         PR tree-optimization/72488
11853         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
11854         sure to restore SSA info.
11855         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
11856
11857 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
11858
11859         PR rtl-optimization/79121
11860         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
11861         of the inner type when shifting an extended value.
11862
11863 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
11864
11865         PR lto/78407
11866         * symtab.c (symtab_node::equal_address_to): Fix comparing of
11867         interposable aliases.
11868
11869 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
11870
11871         PR target/78516
11872         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
11873         Use the evmergelohi instruction.
11874         (mov_si<mode>_e500_subreg4_2_le): Likewise.
11875         (mov_sitf_e500_subreg8_2_be): Likewise.
11876         (mov_sitf_e500_subreg12_2_le): Likewise.
11877         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
11878         (mov_si<mode>_e500_subreg4_2_be): Likewise.
11879         (mov_sitf_e500_subreg8_2_le): Likewise.
11880         (mov_sitf_e500_subreg12_2_be): Likewise.
11881
11882 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11883
11884         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
11885         attribute from vecsimple to vecperm.
11886         (altivec_vbpermq2): Likewise.
11887
11888 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11889
11890         PR target/79040
11891         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
11892
11893 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
11894         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
11895         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
11896         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
11897         case where N arg is SIZE_MAX.
11898         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
11899         (cmpstrsi): Add pattern.
11900
11901 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
11902
11903         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
11904         __builtin_vec_revb builtins.
11905         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
11906         built-in functions to support generation of the ISA 3.0 XXBR<x>
11907         vector byte reverse instructions.
11908         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
11909         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
11910         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
11911         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
11912         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
11913         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
11914         (P9V_BUILTIN_VEC_REVB): Likewise.
11915         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
11916         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
11917         (p9_xxbrq_v16qi): Likewise.
11918         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
11919         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
11920         (p9_xxbrh_v8hi): Likewise.
11921         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
11922         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
11923         vec_revb built-in functions.
11924
11925 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
11926
11927         PR rtl-optimization/78952
11928         * config/i386/i386.md (any_extract): New code iterator.
11929         (*insvqi_2): Use any_extract for source operand.
11930         (*insvqi_3): Use any_shiftrt for source operand.
11931
11932 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
11933
11934         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
11935         New function.
11936         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
11937
11938 2017-01-18  Matthias Klose  <doko@ubuntu.com>
11939
11940         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
11941
11942 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11943
11944         * config/rs6000/altivec.h (vec_bperm): Change #define.
11945         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
11946         (altivec_vbpermq2): New define_insn.
11947         (altivec_vbpermd): Likewise.
11948         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
11949         function interface.
11950         (VBPERMD): Likewise.
11951         (VBPERM): New polymorphic function interface.
11952         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
11953         Add entries for P9V_BUILTIN_VEC_VBPERM.
11954         * doc/extend.texi: Add interfaces for vec_bperm.
11955
11956 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11957
11958         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
11959         first letter of error messages.
11960         (s390_resolve_overloaded_builtin): Likewise.
11961         * config/s390/s390.c (s390_expand_builtin): Likewise.
11962         (s390_invalid_arg_for_unprototyped_fn): Likewise.
11963         (s390_valid_target_attribute_inner_p): Likewise.
11964         * config/s390/s390.md ("tabort"): Likewise.
11965
11966 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
11967
11968         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
11969         (ISA_AVOID_DIV_HILO): New macro.
11970         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
11971         (ISA_HAS_DDIV): Likewise.
11972
11973 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
11974
11975         * doc/invoke.texi (fabi-version): Correct number of occurrences.
11976
11977 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
11978
11979         * doc/invoke.texi (fabi-version): Spelling fix.
11980
11981 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
11982
11983         PR c++/70182
11984         * doc/invoke.texi (fabi-version): Mention mangling fix for
11985         operator names.
11986
11987 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
11988
11989         PR c++/77489
11990         * doc/invoke.texi (fabi-version): Document discriminator mangling.
11991
11992 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
11993
11994         PR target/78875
11995         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
11996         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
11997         the new options.
11998         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
11999         flexible settings.
12000         (stack_protect_test): Ditto.
12001         * config/rs6000/rs6000.opt (mstack-protector-guard=,
12002         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
12003         options.
12004         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
12005         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
12006         -mstack-protector-guard-offset=.
12007         (RS/6000 and PowerPC Options): Ditto.
12008
12009 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
12010
12011         * config/i386/i386.h (MASK_CLASS_P): New define.
12012         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
12013         there are no registers from different register sets also when
12014         mask registers are used.  Update function comment.
12015         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
12016         to (*k/*r) and (*k/*km) alternatives.
12017
12018 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
12019
12020         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
12021         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
12022         (EH_RETURN_HANDLER_RTX): New define.
12023         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
12024         Force frame pointer in EH return functions.
12025         (aarch64_expand_epilogue): Add barrier for eh_return.
12026         (aarch64_final_eh_return_addr): Remove.
12027         (aarch64_eh_return_handler_rtx): New function.
12028         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
12029         Remove.
12030         (aarch64_eh_return_handler_rtx): New prototype.
12031
12032 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12033
12034         * config/rs6000/altivec.h (vec_rlmi): New #define.
12035         (vec_vrlnm): Likewise.
12036         (vec_rlnm): Likewise.
12037         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
12038         (UNSPEC_VRLNM): Likewise.
12039         (VIlong): New mode iterator.
12040         (altivec_vrl<VI_char>mi): New define_insn.
12041         (altivec_vrl<VI_char>nm): Likewise.
12042         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
12043         function entry.
12044         (VRLDNM): Likewise.
12045         (RLNM): New polymorphic function entry.
12046         (VRLWMI): New monomorphic function entry.
12047         (VRLDMI): Likewise.
12048         (RLMI): New polymorphic function entry.
12049         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
12050         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
12051         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
12052         vec_vrlnm.
12053
12054 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
12055
12056         PR debug/78839
12057         * dwarf2out.c (field_byte_offset): Restore the
12058         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
12059         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
12060         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
12061         of build2 + fold.
12062
12063 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
12064
12065         PR ada/67205
12066         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
12067
12068 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
12069
12070         PR debug/71669
12071         * dwarf2out.c (add_data_member_location_attribute): For constant
12072         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
12073         instead of DW_AT_data_member_location, DW_AT_bit_offset and
12074         DW_AT_byte_size attributes.
12075
12076 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
12077
12078         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
12079         after forcing to constant memory when the code model is medium.
12080
12081 2017-01-17  Julia Koval  <julia.koval@intel.com>
12082
12083         PR target/76731
12084         * config/i386/avx512fintrin.h
12085         (_mm512_i32gather_ps): Change __addr type to void const*.
12086         (_mm512_mask_i32gather_ps): Ditto.
12087         (_mm512_i32gather_pd): Ditto.
12088         (_mm512_mask_i32gather_pd): Ditto.
12089         (_mm512_i64gather_ps): Ditto.
12090         (_mm512_mask_i64gather_ps): Ditto.
12091         (_mm512_i64gather_pd): Ditto.
12092         (_mm512_mask_i64gather_pd): Ditto.
12093         (_mm512_i32gather_epi32): Ditto.
12094         (_mm512_mask_i32gather_epi32): Ditto.
12095         (_mm512_i32gather_epi64): Ditto.
12096         (_mm512_mask_i32gather_epi64): Ditto.
12097         (_mm512_i64gather_epi32): Ditto.
12098         (_mm512_mask_i64gather_epi32): Ditto.
12099         (_mm512_i64gather_epi64): Ditto.
12100         (_mm512_mask_i64gather_epi64): Ditto.
12101         (_mm512_i32scatter_ps): Change __addr type to void*.
12102         (_mm512_mask_i32scatter_ps): Ditto.
12103         (_mm512_i32scatter_pd): Ditto.
12104         (_mm512_mask_i32scatter_pd): Ditto.
12105         (_mm512_i64scatter_ps): Ditto.
12106         (_mm512_mask_i64scatter_ps): Ditto.
12107         (_mm512_i64scatter_pd): Ditto.
12108         (_mm512_mask_i64scatter_pd): Ditto.
12109         (_mm512_i32scatter_epi32): Ditto.
12110         (_mm512_mask_i32scatter_epi32): Ditto.
12111         (_mm512_i32scatter_epi64): Ditto.
12112         (_mm512_mask_i32scatter_epi64): Ditto.
12113         (_mm512_i64scatter_epi32): Ditto.
12114         (_mm512_mask_i64scatter_epi32): Ditto.
12115         (_mm512_i64scatter_epi64): Ditto.
12116         (_mm512_mask_i64scatter_epi64): Ditto.
12117         * config/i386/avx512pfintrin.h
12118         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
12119         (_mm512_mask_prefetch_i32gather_ps): Ditto.
12120         (_mm512_mask_prefetch_i64gather_pd): Ditto.
12121         (_mm512_mask_prefetch_i64gather_ps): Ditto.
12122         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
12123         (_mm512_prefetch_i32scatter_ps): Ditto.
12124         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
12125         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
12126         (_mm512_prefetch_i64scatter_pd): Ditto.
12127         (_mm512_prefetch_i64scatter_ps): Ditto.
12128         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
12129         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
12130         * config/i386/avx512vlintrin.h
12131         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
12132         (_mm_mmask_i32gather_ps): Ditto.
12133         (_mm256_mmask_i32gather_pd): Ditto.
12134         (_mm_mmask_i32gather_pd): Ditto.
12135         (_mm256_mmask_i64gather_ps): Ditto.
12136         (_mm_mmask_i64gather_ps): Ditto.
12137         (_mm256_mmask_i64gather_pd): Ditto.
12138         (_mm_mmask_i64gather_pd): Ditto.
12139         (_mm256_mmask_i32gather_epi32): Ditto.
12140         (_mm_mmask_i32gather_epi32): Ditto.
12141         (_mm256_mmask_i32gather_epi64): Ditto.
12142         (_mm_mmask_i32gather_epi64): Ditto.
12143         (_mm256_mmask_i64gather_epi32): Ditto.
12144         (_mm_mmask_i64gather_epi32): Ditto.
12145         (_mm256_mmask_i64gather_epi64): Ditto.
12146         (_mm_mmask_i64gather_epi64): Ditto.
12147         (_mm256_i32scatter_ps): Change __addr type to void*.
12148         (_mm256_mask_i32scatter_ps): Ditto.
12149         (_mm_i32scatter_ps): Ditto.
12150         (_mm_mask_i32scatter_ps): Ditto.
12151         (_mm256_i32scatter_pd): Ditto.
12152         (_mm256_mask_i32scatter_pd): Ditto.
12153         (_mm_i32scatter_pd): Ditto.
12154         (_mm_mask_i32scatter_pd): Ditto.
12155         (_mm256_i64scatter_ps): Ditto.
12156         (_mm256_mask_i64scatter_ps): Ditto.
12157         (_mm_i64scatter_ps): Ditto.
12158         (_mm_mask_i64scatter_ps): Ditto.
12159         (_mm256_i64scatter_pd): Ditto.
12160         (_mm256_mask_i64scatter_pd): Ditto.
12161         (_mm_i64scatter_pd): Ditto.
12162         (_mm_mask_i64scatter_pd): Ditto.
12163         (_mm256_i32scatter_epi32): Ditto.
12164         (_mm256_mask_i32scatter_epi32): Ditto.
12165         (_mm_i32scatter_epi32): Ditto.
12166         (_mm_mask_i32scatter_epi32): Ditto.
12167         (_mm256_i32scatter_epi64): Ditto.
12168         (_mm256_mask_i32scatter_epi64): Ditto.
12169         (_mm_i32scatter_epi64): Ditto.
12170         (_mm_mask_i32scatter_epi64): Ditto.
12171         (_mm256_i64scatter_epi32): Ditto.
12172         (_mm256_mask_i64scatter_epi32): Ditto.
12173         (_mm_i64scatter_epi32): Ditto.
12174         (_mm_mask_i64scatter_epi32): Ditto.
12175         (_mm256_i64scatter_epi64): Ditto.
12176         (_mm256_mask_i64scatter_epi64): Ditto.
12177         (_mm_i64scatter_epi64): Ditto.
12178         (_mm_mask_i64scatter_epi64): Ditto.
12179         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
12180         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
12181         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
12182         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
12183         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
12184         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
12185         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
12186         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
12187         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
12188         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
12189         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
12190         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
12191         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
12192         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
12193         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
12194         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
12195         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
12196         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
12197         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
12198         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
12199         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
12200         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
12201         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
12202         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
12203         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
12204         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
12205         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
12206         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
12207         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
12208         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
12209         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
12210         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
12211         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
12212         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
12213         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
12214         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
12215         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
12216         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
12217         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
12218         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
12219         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
12220         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
12221         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
12222         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
12223         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
12224         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
12225         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
12226         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
12227         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
12228         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
12229         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
12230         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
12231         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
12232         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
12233         definitions accordingly.
12234
12235 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
12236             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
12237
12238         PR target/79079
12239         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
12240         gen_lowpart.
12241
12242 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
12243
12244         PR target/79058
12245         * ira-conflicts.c (ira_build_conflicts): Update total conflict
12246         hard regs for inner regno.
12247
12248 2017-01-17  Martin Liska  <mliska@suse.cz>
12249
12250         PR ipa/71207
12251         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
12252         assumption and add comment.
12253
12254 2017-01-17  Nathan Sidwell  <nathan@acm.org>
12255
12256         * ipa-visibility.c (localize_node): New function, broken out of ...
12257         (function_and_variable_visibility): ... here. Call it.
12258
12259 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
12260
12261         PR middle-end/77445
12262         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
12263         correctly set frequency of oudgoing edge.
12264         (duplicate_thread_path): Fix profile updating.
12265
12266 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
12267
12268         PR other/79046
12269         * configure.ac: Add GCC_BASE_VER.
12270         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
12271         version from BASE-VER file.
12272         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
12273         (gcc.o): Depend on $(BASEVER).
12274         * common.opt (dumpfullversion): New option.
12275         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
12276         * doc/invoke.texi: Document -dumpfullversion.
12277         * doc/install.texi: Document --with-gcc-major-version-only.
12278         * configure: Regenerated.
12279
12280 2017-01-17  Richard Biener  <rguenther@suse.de>
12281
12282         PR tree-optimization/71433
12283         * tree-vrp.c (register_new_assert_for): Merge same asserts
12284         on all incoming edges.
12285         (process_assert_insertions_for): Handle insertions at the
12286         beginning of BBs.
12287
12288 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
12289
12290         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
12291         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
12292
12293 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
12294
12295         PR target/78633
12296         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
12297         RTL sharing.
12298
12299 2017-01-17  Alan Modra  <amodra@gmail.com>
12300
12301         PR target/79066
12302         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
12303         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
12304         symbolic stack limit when pic.
12305
12306 2017-01-16  Martin Sebor  <msebor@redhat.com>
12307
12308         PR tree-optimization/78608
12309         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
12310
12311 2017-01-16  Jeff Law  <law@redhat.com>
12312
12313         Revert:
12314         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
12315         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
12316         for several include directories that may be relative to sysroot.
12317         * config/i386/x-mingw32 (gplus_includedir): Define.
12318         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
12319         (native_system_includedir): Likewise.
12320         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
12321         override if TARGET_SYSTEM_ROOT is defined.
12322         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
12323
12324         PR tree-optimization/79090
12325         PR tree-optimization/33562
12326         PR tree-optimization/61912
12327         PR tree-optimization/77485
12328         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
12329         and computed trims into the dump file.
12330
12331 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
12332
12333         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
12334
12335 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
12336
12337         PR c/79089
12338         * gimplify.c (gimplify_init_constructor): If want_value and
12339         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
12340         fix.
12341
12342         PR target/79080
12343         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
12344         sequence.  Formatting fixes.
12345         (doloop_optimize): Formatting fixes.
12346
12347         PR driver/49726
12348         * gcc.c (debug_level_greater_than_spec_func): New function.
12349         (static_spec_functions): Add debug-level-gt spec function.
12350         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
12351         !g0.
12352         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
12353         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
12354         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
12355         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
12356         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
12357         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
12358
12359 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
12360
12361         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
12362         QImode fixups to general and mask registers only.
12363
12364 2017-01-16  Carl Love  <cel@us.ibm.com>
12365
12366         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
12367         for built-in functions
12368         vector signed char vec_nabs (vector signed char)
12369         vector signed short vec_nabs (vector signed short)
12370         vector signed int vec_nabs (vector signed int)
12371         vector signed long long vec_nabs (vector signed long long)
12372         vector float vec_nabs (vector float)
12373         vector double vec_nabs (vector double)
12374         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
12375         and NABS overload.
12376         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
12377         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
12378         * doc/extend.texi: Update the documentation file for the new built-in
12379         functions.
12380
12381 2017-01-16  Martin Sebor  <msebor@redhat.com>
12382
12383         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
12384         message.
12385
12386 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12387
12388         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
12389         UNSPEC_VSX__XXSPLTD to require special splat handling.
12390
12391 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
12392
12393         PR bootstrap/78616
12394         * system.h: Poison strndup.
12395
12396 2017-01-16  Alan Modra  <amodra@gmail.com>
12397
12398         PR target/79098
12399         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
12400         use a switch.
12401
12402 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
12403
12404         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
12405
12406 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
12407
12408         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
12409         call recog here.  Assert that INSN_CODE (insn) is non-negative.
12410
12411 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
12412
12413         PR target/72749
12414         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
12415         fallthrough.
12416         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
12417         in the currently scheduled RTL fragment.
12418
12419 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
12420
12421         PR rtl-optimization/78751
12422         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
12423         give up.
12424
12425 2017-01-14  Jeff Law  <law@redhat.com>
12426
12427         PR tree-optimization/79090
12428         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
12429         variable length stores.
12430         (compute_trims): Delete dead assignment to *trim_tail.
12431         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
12432         zero length.
12433
12434 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
12435
12436         PR rtl-optimization/78626
12437         PR rtl-optimization/78727
12438         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
12439         of a block, and split such blocks after everything else is finished.
12440
12441 2017-01-14  Alan Modra  <amodra@gmail.com>
12442
12443         PR target/72749
12444         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
12445         target legitimate_combined_insn.
12446         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
12447         (rs6000_legitimate_combined_insn): New function.
12448         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
12449         all uses.
12450         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
12451         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
12452         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
12453
12454 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
12455
12456         * doc/frontends.texi (G++ and GCC): Remove references to Java.
12457
12458 2017-01-13  Jeff Law  <law@redhat.com>
12459
12460         PR tree-optimization/33562
12461         PR tree-optimization/61912
12462         PR tree-optimization/77485
12463         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
12464         a statement.
12465         (delete_dead_assignment): Likewise.
12466         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
12467         statement to delete_dead_call and delete_dead_assignment.
12468
12469 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
12470
12471         PR c/78304
12472         * substring-locations.c (format_warning_va): Strengthen case 1 so
12473         that both endpoints of the substring must be within the format
12474         range for just the substring to be printed.
12475
12476 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
12477
12478         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
12479         * config/i386/i386.c (ix86_target_string): Add missing options
12480         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
12481         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
12482         flags_other and ix86_target_other to flags2_other.  Display unknown
12483         isa2 options.
12484         (ix86_valid_target_attribute_inner_p): Add missing options and
12485         reorder options by implied ISAs, as in ix86_target_string.
12486
12487 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
12488
12489         * hash-table.h (hash_table::too_empty_p): New function.
12490         (hash_table::expand): Use it.
12491         (hash_table::traverse): Likewise.
12492         (hash_table::empty_slot): Use sizeof (value_type) instead of
12493         sizeof (PTR) to convert bytes to elements.  Shrink the table
12494         if the current size is excessive for the current number of
12495         elements.
12496
12497 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
12498
12499         * ira-costs.c (record_reg_classes): Break from the inner loop
12500         early once alt_fail is known to be true.  Update outer loop
12501         handling accordingly.
12502
12503 2017-01-13  Jeff Law  <law@redhat.com>
12504
12505         * tree-ssa-dse.c (decrement_count): New function.
12506         (increment_start_addr, maybe_trim_memstar_call): Likewise.
12507         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
12508         when we know the partially dead statement is a mem* function.
12509
12510         PR tree-optimization/61912
12511         PR tree-optimization/77485
12512         * tree-ssa-dse.c: Include expr.h.
12513         (maybe_trim_constructor_store): New function.
12514         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
12515
12516         PR tree-optimization/33562
12517         PR tree-optimization/61912
12518         PR tree-optimization/77485
12519         * doc/invoke.texi: Document new dse-max-object-size param.
12520         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
12521         * tree-ssa-dse.c: Include params.h.
12522         (dse_store_status): New enum.
12523         (initialize_ao_ref_for_dse): New, partially extracted from
12524         dse_optimize_stmt.
12525         (valid_ao_ref_for_dse, normalize_ref): New.
12526         (setup_live_bytes_from_ref, compute_trims): Likewise.
12527         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
12528         (maybe_trim_partially_dead_store): Likewise.
12529         (maybe_trim_complex_store): Likewise.
12530         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
12531         Track what bytes live from the original store.  Return tri-state
12532         for dead, partially dead or live.
12533         (dse_dom_walker): Add constructor, destructor and new private members.
12534         (delete_dead_call, delete_dead_assignment): New extracted from
12535         dse_optimize_stmt.
12536         (dse_optimize_stmt): Make a member of dse_dom_walker.
12537         Use initialize_ao_ref_for_dse.
12538
12539         PR tree-optimization/33562
12540         PR tree-optimization/61912
12541         PR tree-optimization/77485
12542         * sbitmap.h (bitmap_count_bits): Prototype.
12543         (bitmap_clear_range, bitmap_set_range): Likewise.
12544         * sbitmap.c (bitmap_clear_range): New function.
12545         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
12546
12547 2017-01-13  Martin Liska  <mliska@suse.cz>
12548
12549         PR ipa/79043
12550         * function.c (set_cfun): Add new argument force.
12551         * function.h (set_cfun): Likewise.
12552         * ipa-inline-transform.c (inline_call): Use the function when
12553         strict alising from is dropped for function we inline to.
12554
12555 2017-01-13  Richard Biener  <rguenther@suse.de>
12556
12557         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
12558         for dumping GIMPLE INTEGER_CSTs.
12559
12560 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12561
12562         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
12563         to 201112L since C++17.
12564
12565 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
12566
12567         PR sanitizer/78887
12568         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
12569         if -fsanitize=kernel-address is present.
12570
12571 2017-01-13  Richard Biener  <rguenther@suse.de>
12572
12573         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
12574         as _Literal ( type ) number in case usual suffixes do not
12575         preserve all information.
12576
12577 2017-01-13  Richard Biener  <rguenther@suse.de>
12578
12579         PR tree-optimization/77283
12580         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
12581         and ssa-iterators.h.
12582         (is_feasible_trace): Implement a cost model based on joiner
12583         PHI node uses.
12584
12585 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
12586
12587         PR target/79004
12588         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
12589         char or short to __float128/_Float128 directly.
12590
12591 2017-01-12  Martin Sebor  <msebor@redhat.com>
12592
12593         to -Wformat-overflow.
12594         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
12595         (min_bytes_remaining): Same.
12596         (get_string_length): Same.
12597         (format_string): Same.
12598         (format_directive): Same.
12599         (add_bytes): Same.
12600         (pass_sprintf_length::handle_gimple_call): Same.
12601
12602 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
12603
12604         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
12605         info.nowrite calls with no lhs that can't throw.  Return bool
12606         whether gsi_remove has been called or not.
12607         (pass_sprintf_length::handle_gimple_call): Return bool whether
12608         try_substitute_return_value called gsi_remove.  Formatting fix.
12609         (pass_sprintf_length::execute): Don't use gsi_remove if
12610         handle_gimple_call returned true.
12611
12612         PR bootstrap/79069
12613         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
12614         be removed due to side-effects, don't remove following barrier nor
12615         turn the successor edge into fallthru edge.
12616
12617 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12618
12619         PR target/79044
12620         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
12621         element-reversing loads and stores as not swappable.
12622
12623 2017-01-12  Nathan Sidwell  <nathan@acm.org>
12624             Nicolai Stange  <nicstange@gmail.com>
12625
12626         * combine.c (try_combine): Don't ignore result of overlap checking
12627         loop.  Combine overlap & asm check into single loop.
12628
12629 2017-01-12  Richard Biener  <rguenther@suse.de>
12630
12631         * tree-pretty-print.c (dump_generic_node): Provide -gimple
12632         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
12633
12634 2017-01-12  Richard Biener  <rguenther@suse.de>
12635
12636         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
12637         and TS_TARGET_OPTION directly derive from TS_BASE.
12638         * tree-core.h (tree_optimization_option): Derive from tree_base.
12639         (tree_target_option): Likewise.
12640
12641 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
12642
12643         * config/i386/i386.c (memory_address_length): Increase len
12644         only when rip_relative_addr_p returns false.
12645
12646 2017-01-11  Julia Koval  <julia.koval@intel.com>
12647
12648         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
12649         (OPTION_MASK_ISA_SGX_SET): New.
12650         (ix86_handle_option): Handle OPT_msgx.
12651         * config.gcc: Added sgxintrin.h.
12652         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
12653         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
12654         * config/i386/i386.c (ix86_target_string): Add -msgx.
12655         (PTA_SGX): New.
12656         (ix86_option_override_internal): Handle new options.
12657         (ix86_valid_target_attribute_inner_p): Add sgx.
12658         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
12659         * config/i386/i386.opt: Add msgx.
12660         * config/i386/sgxintrin.h: New file.
12661         * config/i386/x86intrin.h: Add sgxintrin.h.
12662
12663 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
12664
12665         PR c++/71537
12666         * fold-const.c (maybe_nonzero_address): Return 1 for function
12667         local objects.
12668         (tree_single_nonzero_warnv_p): Don't handle function local objects
12669         here.
12670
12671         PR c++/72813
12672         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
12673         of c-header.
12674
12675 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
12676
12677         PR driver/78877
12678         * opts.c: Include "spellcheck.h"
12679         (struct string_fragment): New struct.
12680         (struct edit_distance_traits<const string_fragment &>): New
12681         struct.
12682         (get_closest_sanitizer_option): New function.
12683         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
12684
12685 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
12686
12687         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
12688         by 12.
12689         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
12690         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
12691         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
12692         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
12693         for initial die_offset if dwarf_split_debug_info.
12694         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
12695         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
12696         fields.
12697         (output_skeleton_debug_sections): Formatting fix.  Use
12698         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
12699         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
12700
12701 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
12702
12703         * config/arm/cortex-a53.md: Add bypasses for
12704         cortex_a53_r2f_cvt.
12705         (cortex_a53_r2f): Only use for transfers.
12706         (cortex_a53_f2r): Likewise.
12707         (cortex_a53_r2f_cvt): Add reservation for conversions.
12708         (cortex_a53_f2r_cvt): Likewise.
12709
12710 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
12711
12712         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
12713         to all inlined functions, change static to extern.
12714
12715 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
12716
12717         PR target/78253
12718         * config/arm/arm.c (legitimize_pic_address): Handle reference to
12719         weak symbol.
12720         (arm_assemble_integer): Likewise.
12721
12722 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
12723
12724         * config.gcc: Use new awk script to check CPU, FPU and architecture
12725         parameters for --with-... options.
12726         * config/arm/parsecpu.awk: New file
12727         * config/arm/arm-cpus.in: New file.
12728         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
12729         files.
12730         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
12731         files.
12732         * config/arm/t-arm: Update dependency rules.
12733         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
12734         of processing .def files.
12735         * config/arm/genopt.sh: Deleted.
12736         * config/arm/gentune.sh: Deleted.
12737         * config/arm/arm-cores.def: Deleted.
12738         * config/arm/arm-arches.def: Deleted.
12739         * config/arm/arm-fpus.def: Deleted.
12740         * config/arm/arm-tune.md: Regenerated.
12741         * config/arm/arm-tables.opt: Regenerated.
12742         * config/arm/arm-cpu.h: New generated file.
12743         * config/arm/arm-cpu-data.h: New generated file.
12744         * config/arm/arm-cpu-cdata.h: New generated file.
12745
12746 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
12747
12748         PR lto/79042
12749         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
12750         bit.
12751         (input_varpool_node): Unpack dynamically_initialized bit.
12752
12753 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
12754
12755         PR rtl-optimization/79032
12756         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
12757         the alignment of the adjusted memory reference against that of MODE,
12758         instead of the alignment of the original memory reference.
12759
12760 2017-01-11  Martin Jambor  <mjambor@suse.cz>
12761
12762         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
12763         test.
12764         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
12765         decorated functions.
12766
12767 2017-01-11  Richard Biener  <rguenther@suse.de>
12768
12769         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
12770         set range/nonnull info for PHI results.  Do not set it on
12771         stmts marked for removal.
12772
12773 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
12774
12775         * expr.c (store_field): In the bitfield case, fetch the return value
12776         from the registers before applying a single big-endian adjustment.
12777         Always do a final load for a BLKmode value not larger than a word.
12778
12779 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
12780
12781         PR c++/77949
12782         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
12783         that we correctly handle column numbers greater than
12784         LINE_MAP_MAX_COLUMN_NUMBER.
12785
12786 2017-01-10  Martin Sebor  <msebor@redhat.com>
12787
12788         PR middle-end/78245
12789         * gimple-ssa-sprintf.c (get_destination_size): Call
12790         {init,fini}object_sizes.
12791         * tree-object-size.c (addr_object_size): Adjust.
12792         (pass_through_call): Adjust.
12793         (pass_object_sizes::execute): Adjust.
12794         * tree-object-size.h (fini_object_sizes): Declare.
12795
12796 2017-01-10  Martin Sebor  <msebor@redhat.com>
12797
12798         PR tree-optimization/78775
12799         * builtins.c (get_size_range): Move...
12800         * calls.c: ...to here.
12801         (alloc_max_size): Accept zero argument.
12802         (operand_signed_p): Remove.
12803         (maybe_warn_alloc_args_overflow): Call get_size_range.
12804         * calls.h (get_size_range): Declare.
12805
12806 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
12807
12808         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
12809         from TI's devices.csv file as of September 2016.
12810         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
12811
12812 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
12813
12814         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
12815         * doc/invoke.texi: Likewise.
12816         * doc/md.texi: Likewise.
12817         * doc/objc.texi: Likewise.
12818
12819 2017-01-10  Joshua Conner  <joshconner@google.com>
12820
12821         * config/arm/fuchsia-elf.h: New file.
12822         * config/fuchsia.h: New file.
12823         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
12824         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
12825         targets.
12826         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
12827
12828 2016-01-10  Richard Biener  <rguenther@suse.de>
12829
12830         PR tree-optimization/79034
12831         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
12832         Propagate out degenerate PHIs in the joiner.
12833
12834 2017-01-10  Martin Liska  <mliska@suse.cz>
12835
12836         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
12837         (sort_congruence_classes_by_decl_uid): Likewise.
12838         (sort_congruence_class_groups_by_decl_uid): Likewise.
12839         (sem_item_optimizer::merge_classes): Sort class, groups in these
12840         classes and members in the groups by DECL_UID of declarations.
12841         This would make merge operations stable.
12842
12843 2017-01-10  Martin Liska  <mliska@suse.cz>
12844
12845         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
12846         usage of m_classes_vec.
12847         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
12848         (sem_item_optimizer::get_group_by_hash): Likewise.
12849         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
12850         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
12851         (sem_item_optimizer::verify_classes): Likewise.
12852         (sem_item_optimizer::process_cong_reduction): Likewise.
12853         (sem_item_optimizer::dump_cong_classes): Likewise.
12854         (sem_item_optimizer::merge_classes): Likewise.
12855         * ipa-icf.h (congruence_class_hash): Rename from
12856         congruence_class_group_hash.  Remove declaration of m_classes_vec.
12857
12858 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
12859
12860         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
12861         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
12862         * config.gcc: Add avx512vpopcntdqintrin.h.
12863         * config/i386/avx512vpopcntdqintrin.h: New.
12864         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
12865         * config/i386/i386-builtin-types.def: Add new types.
12866         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
12867         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
12868         __builtin_ia32_vpopcountq_v8di_mask): New.
12869         * config/i386/i386-c.c (ix86_target_macros_internal): Define
12870         __AVX512VPOPCNTDQ__.
12871         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
12872         (PTA_AVX512VPOPCNTDQ): Define.
12873         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
12874         TARGET_AVX512VPOPCNTDQ_P): Define.
12875         * config/i386/i386.opt: Add mavx512vpopcntdq.
12876         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
12877         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
12878
12879 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
12880
12881         PR middle-end/77484
12882         * predict.def (PRED_CALL): Set to 67.
12883
12884 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
12885
12886         * expr.c (store_field): In the bitfield case, if the value comes from
12887         a function call and is of an aggregate type returned in registers, do
12888         not modify the field mode; extract the value in all cases if the mode
12889         is BLKmode and the size is not larger than a word.
12890
12891 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
12892
12893         PR target/71017
12894         * config/i386/cpuid.h: Fix undefined behavior.
12895
12896 2017-01-04  Jeff Law  <law@redhat.com>
12897
12898         PR tree-optimization/79007
12899         PR tree-optimization/67955
12900         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
12901         conservative for pt.null when flag_non_call_exceptions is on.
12902
12903 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
12904
12905         PR translation/79019
12906         PR translation/79020
12907         * params.def (PARAM_INLINE_MIN_SPEEDUP,
12908         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
12909         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
12910         in descriptions.
12911         * config/avr/avr.opt (maccumulate-args): Likewise.
12912         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
12913         * common.opt (freport-bug): Likewise.
12914         * cif-code.def (CIF_FINAL_ERROR): Likewise.
12915         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
12916         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
12917         translatable string.
12918         * config/i386/i386.c (function_value_32): Likewise.
12919         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
12920         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
12921         Likewise.
12922         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
12923         * common/config/msp430/msp430-common.c (msp430_handle_option):
12924         Likewise.
12925         * symtab.c (symtab_node::verify_base): Likewise.
12926         * opts.c (set_debug_level): Likewise.
12927         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
12928         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
12929         missing whitespace to translatable strings.
12930         * config/avr/avr.md (bswapsi2): Fix typo in comment.
12931         * config/sh/superh.h: Likewise.
12932         * config/i386/xopintrin.h: Likewise.
12933         * config/i386/znver1.md: Likewise.
12934         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
12935         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
12936         * double-int.h (struct double_int): Likewise.
12937         * double-int.c (div_and_round_double): Likewise.
12938         * wide-int.cc: Likewise.
12939         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
12940         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
12941         * cfgcleanup.c (crossjumps_occured): Renamed to ...
12942         (crossjumps_occurred): ... this.
12943         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
12944         Adjust all uses.
12945
12946         PR tree-optimization/78899
12947         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
12948         returning bool return struct loop *, NULL for failure and the new
12949         loop on success.
12950         (versionable_outer_loop_p): Don't version outer loop if it has
12951         dont_vectorized bit set.
12952         (tree_if_conversion): When versioning outer loop, ensure
12953         tree_if_conversion is performed also on the inner loop of the
12954         non-vectorizable outer loop copy.
12955         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
12956         LOOP_VECTORIZED in inner loop of the scalar outer loop and
12957         prevent vectorization of it.
12958         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
12959         the outer loop vectorization of the non-scalar version is attempted
12960         before vectorization of the inner loop in scalar version.  If
12961         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
12962         vectorization of its inner loop.
12963         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
12964         has 2 inner loops, rename also on edges from bb whose single pred
12965         is outer_loop->header.  Fix typo in function comment.
12966
12967 2017-01-09  Martin Sebor  <msebor@redhat.com>
12968
12969         PR bootstrap/79033
12970         * asan.c (asan_emit_stack_protection): Increase local buffer size
12971         to avoid snprintf truncation warning.
12972
12973 2017-01-09  Andrew Pinski  <apinski@cavium.com>
12974
12975         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
12976         to reference thunderx2t99 for the tuning structure
12977         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
12978         Rename to ...
12979         (thunderx2t99_extra_costs): This.
12980         * config/aarch64/aarch64-tune.md: Regenerate.
12981         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
12982         (vulcan_addrcost_table): This.
12983         (vulcan_regmove_cost): Rename to ...
12984         (thunderx2t99_regmove_cost): This.
12985         (vulcan_vector_cost): Rename to ...
12986         (thunderx2t99_vector_cost): this.
12987         (vulcan_branch_cost): Rename to ...
12988         (thunderx2t99_branch_cost): This.
12989         (vulcan_tunings): Rename to ...
12990         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
12991         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
12992
12993 2017-01-09  Martin Jambor  <mjambor@suse.cz>
12994
12995         PR ipa/78365
12996         PR ipa/78599
12997         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
12998         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
12999         (propagate_vr_accross_jump_function): Use the above function for all
13000         value range computations for pass-through jump functions and type
13001         converasion from explicit value range values.
13002         (ipcp_propagate_stage): Do not attempt to deduce types of formal
13003         parameters from TYPE_ARG_TYPES.
13004         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
13005         (ipa_write_node_info): Stream type of the actual argument.
13006         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
13007
13008 2017-01-09  Martin Liska  <mliska@suse.cz>
13009
13010         PR pch/78970
13011         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
13012         (lookup_compiler): Do not show error message with have_E.
13013
13014 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
13015
13016         PR tree-optimization/78938
13017         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
13018         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
13019         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
13020         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
13021         fixes.
13022
13023 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13024
13025         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
13026         is const0_rtx.
13027
13028 2017-01-09  Richard Biener  <rguenther@suse.de>
13029
13030         PR tree-optimization/78997
13031         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
13032         name condition properly.
13033
13034 2017-01-09  Richard Biener  <rguenther@suse.de>
13035
13036         PR debug/79000
13037         * dwarf2out.c (is_cxx): New overload with context.
13038         (is_naming_typedef_decl): Use it.
13039
13040 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
13041
13042         * invoke.texi (Option Summary): Correct spacing in option lists
13043         and add line breaks to fix over-long lines.
13044
13045 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
13046
13047         PR middle-end/17660
13048
13049         * extend.texi (Common Variable Attributes): Add xref to GCC
13050         Internals manual to explain mode attribute keywords.
13051
13052 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
13053
13054         PR other/16519
13055         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
13056         and Preprocessor Options.
13057         (Options for Linking): Document -pthread here....
13058         (RS/6000 and PowerPC Options): ...not here.
13059         (Solaris 2 Options): ...or here.
13060         * doc/cppopts.texi: Document -pthread.
13061
13062 2017-01-08  Martin Sebor  <msebor@redhat.com>
13063
13064         PR middle-end/77708
13065         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
13066         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
13067         New member functions.
13068         (format_directive): Used them.
13069         (add_bytes): Same.
13070         (pass_sprintf_length::handle_gimple_call): Same.
13071         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
13072         to avoid truncation for any argument.
13073         (extract_affine_mul): Same.
13074         * tree.c (get_file_function_name): Same.
13075
13076 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
13077
13078         PR middle-end/77484
13079         * predict.def (PRED_INDIR_CALL): Set to 86.
13080
13081 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
13082
13083         PR preprocessor/54124
13084         * doc/cppopts.texi: Reformat -d subtable to list the full name
13085         of the options.  Add cross-reference to the docs for the general
13086         compiler -d options.
13087         * doc/invoke.texi (Developer Options): Add cross-reference to the
13088         preprocessor-specific -d option documentation.
13089
13090 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
13091
13092         PR preprocessor/13498
13093         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
13094         redudant material, and reflect new command-line options.
13095         (System Headers): Likewise.
13096
13097 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
13098
13099         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
13100         -isystem, and -idirafter.  Copy-edit.
13101         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
13102         default for -ftrack-macro-expansion.  Delete obsolete and
13103         badly-formatted implementation details about -fdebug-cpp output.
13104         * doc/cppwarnopts.texi: Copy-edit.
13105
13106 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
13107
13108         PR c++/72803
13109         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
13110         that the transition from a max line width >= 1<<10 to narrower
13111         lines works correctly.
13112
13113 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
13114
13115         * doc/options.texi (PerFunction): New.
13116         * opt-functions.awk (switch_flags): Map both Optimization and
13117         PerFunction to CL_OPTIMIZATION.
13118         * opth-gen.awk: Test for PerFunction flag along with
13119         Optimization.
13120         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
13121         it only when the latter is present.  Skip those that don't in
13122         the hash function generator.
13123         * common.opt (fvar-tracking): Mark as PerFunction instead of
13124         Optimization.
13125         (fvar-tracking-assignments): Likewise.
13126         (fvar-tracking-assignments-toggle): Likewise.
13127         (fvar-tracking-uninit): Likewise.
13128
13129 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
13130
13131         PR translation/79018
13132         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
13133         the and store.
13134
13135 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
13136
13137         PR target/57583
13138         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
13139         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
13140         TARGET_LONG_JUMP_TABLE_OFFSETS.
13141         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
13142         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
13143         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
13144         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
13145         * config/m68k/m68k.md (tablejump expander): Likewise.
13146         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
13147         TARGET_LONG_JUMP_TABLE_OFFSETS.
13148         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
13149         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
13150
13151 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
13152             David Holsgrove <david.holsgrove@xilinx.com>
13153
13154         * common/config/microblaze/microblaze-common.c
13155         (TARGET_EXCEPT_UNWIND_INFO): Remove.
13156         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
13157         New prototype.
13158         * config/microblaze/microblaze.c (microblaze_must_save_register)
13159         (microblaze_expand_epilogue, microblaze_return_addr): Handle
13160         calls_eh_return.
13161         (microblaze_eh_return): New function.
13162         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
13163         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
13164         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
13165         * config/microblaze/microblaze.md (eh_return): New pattern.
13166
13167 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
13168
13169         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
13170         GCC_DIAGNOSTIC_STRINGIFY): Define.
13171
13172         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
13173
13174 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13175
13176         * config/arm/arm.md (<mcrr>): New.
13177         (<mrrc>): New.
13178         * config/arm/arm.c (arm_arch5te): New.
13179         (arm_option_override): Set arm_arch5te.
13180         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
13181         and mrrc2.
13182         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
13183         (arm_mcrr_qualifiers): ... this. New.
13184         (MRRC_QUALIFIERS): Define to...
13185         (arm_mrrc_qualifiers): ... this. New.
13186         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
13187         __arm_mrrc2): New.
13188         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
13189         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
13190         (MRRCI, mrrc, MRRC): New.
13191         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
13192         VUNSPEC_MRRC2): New.
13193
13194 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13195
13196         * config/arm/arm.md (<mcr>): New.
13197         (<mrc>): New.
13198         * config/arm/arm.c (arm_coproc_builtin_available): Add
13199         support for mcr, mrc, mcr2 and mrc2.
13200         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
13201         (arm_mcr_qualifiers): ... this. New.
13202         (MRC_QUALIFIERS): Define to ...
13203         (arm_mrc_qualifiers): ... this. New.
13204         (MCR_QUALIFIERS): Define to ...
13205         (arm_mcr_qualifiers): ... this. New.
13206         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
13207         __arm_mrc2): New.
13208         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
13209         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
13210         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
13211         VUNSPEC_MRC2): New.
13212
13213 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13214
13215         * config/arm/arm.md (*ldc): New.
13216         (*stc): New.
13217         (<ldc>): New.
13218         (<stc>): New.
13219         * config/arm/arm.c (arm_coproc_builtin_available): Add
13220         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
13221         (arm_coproc_ldc_stc_legitimate_address): New.
13222         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
13223         'qualifier_const_pointer'.
13224         (LDC_QUALIFIERS): Define to...
13225         (arm_ldc_qualifiers): ... this. New.
13226         (STC_QUALIFIERS): Define to...
13227         (arm_stc_qualifiers): ... this. New.
13228         * config/arm/arm-protos.h
13229         (arm_coproc_ldc_stc_legitimate_address): New.
13230         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
13231         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
13232         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
13233         stc2, stcl, stc2l): New.
13234         * config/arm/constraints.md (Uz): New.
13235         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
13236         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
13237         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
13238         VUNSPEC_STC2L): New.
13239
13240 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13241
13242         * config/arm/arm.md (<cdp>): New.
13243         * config/arm/arm.c (neon_const_bounds): Rename this ...
13244         (arm_const_bounds): ... this.
13245         (arm_coproc_builtin_available): New.
13246         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
13247         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
13248         (CDP_QUALIFIERS): Define to...
13249         (arm_cdp_qualifiers): ... this. New.
13250         (void_UP): Define.
13251         (arm_expand_builtin_args): Add case for 6 arguments.
13252         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
13253         (arm_const_bounds): ... this.
13254         (arm_coproc_builtin_available): New.
13255         * config/arm/arm_acle.h (__arm_cdp): New.
13256         (__arm_cdp2): New.
13257         * config/arm/arm_acle_builtins.def (cdp): New.
13258         (cdp2): New.
13259         * config/arm/iterators.md (CDPI,CDP,cdp): New.
13260         * config/arm/neon.md: Rename all 'neon_const_bounds' to
13261         'arm_const_bounds'.
13262         * config/arm/types.md (coproc): New.
13263         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
13264         * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
13265         * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
13266         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
13267
13268 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13269
13270         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
13271         (UBINOP_QUALIFIERS): New.
13272         (si_UP): Define.
13273         (acle_builtin_data): New. Change comment.
13274         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
13275         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
13276         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
13277         arm_acle_builtins.def.
13278         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
13279         (arm_init_acle_builtins): New.
13280         (CRC32_BUILTIN): Remove.
13281         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
13282         crc32cb, crc32ch and crc32cw.
13283         (arm_init_crc32_builtins): Remove.
13284         (arm_init_builtins): Use arm_init_acle_builtins rather
13285         than arm_init_crc32_builtins.
13286         (arm_expand_acle_builtin): New.
13287         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
13288         * config/arm/arm_acle_builtins.def: New.
13289
13290 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13291
13292         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
13293         (arm_builtin_datum): ... this.
13294         (arm_init_neon_builtin): Rename to ...
13295         (arm_init_builtin): ... this. Add a new parameters PREFIX
13296         and USE_SIG_IN_NAME.
13297         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
13298         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
13299         'arm_builtin_datum'.
13300         (arm_init_vfp_builtins): Likewise.
13301         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
13302         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
13303         (arm_expand_neon_args): Rename to ...
13304         (arm_expand_builtin_args): ... this. Rename builtin_arg
13305         enum values and differentiate between ARG_BUILTIN_MEMORY
13306         and ARG_BUILTIN_NEON_MEMORY.
13307         (arm_expand_neon_builtin_1): Rename to ...
13308         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
13309         values, arm_expand_builtin_args and add bool parameter NEON.
13310         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
13311         (arm_expand_vfp_builtin): Likewise.
13312         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
13313
13314 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
13315
13316         PR middle-end/77484
13317         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
13318         * predict.c (tree_estimate_probability_bb): Reverse direction of
13319         polymorphic call predictor.
13320
13321 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
13322
13323         * passes.c (execute_one_pass): Split out pass-skipping logic into...
13324         (determine_pass_name_match): ...this new function and...
13325         (should_skip_pass_p): ...this new function.
13326
13327 2017-01-06  Nathan Sidwell  <nathan@acm.org>
13328
13329         * ipa-visibility.c (function_and_variable_visibility): Reformat
13330         comments and long lines.  Remove extrneous if.
13331         * symtab.c (symtab_node::make_decl_local): Fix code format.
13332         (symtab_node::set_section_for_node): Fix comment typo.
13333
13334 2017-01-06  Martin Liska  <mliska@suse.cz>
13335
13336         PR bootstrap/79003
13337         * lra-constraints.c: Rename invariant to lra_invariant.
13338         * predict.c (set_even_probabilities): Initialize e to NULL.
13339
13340 2017-01-05  Martin Sebor  <msebor@redhat.com>
13341
13342         PR tree-optimization/78910
13343         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
13344         (format_integer): Correct off-by-one error in the handling
13345         of precision with negative numbers in signed conversions..
13346
13347 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
13348
13349         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
13350
13351 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
13352
13353         PR tree-optimization/71016
13354         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
13355         factor_out_conditional_conversion.  Formatting fix.
13356         (factor_out_conditional_conversion): Add cond_stmt argument.
13357         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
13358         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
13359         Formatting fix.
13360
13361 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
13362
13363         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
13364         read-rtl-function.o, and selftest-rtl.o.
13365         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
13366         (selftest::aarch64_test_loading_full_dump): New function.
13367         (selftest::aarch64_run_selftests): New function.
13368         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
13369         selftest::aarch64_run_selftests.
13370         * config/i386/i386.c
13371         (selftest::ix86_test_loading_dump_fragment_1): New function.
13372         (selftest::ix86_test_loading_call_insn): New function.
13373         (selftest::ix86_test_loading_full_dump): New function.
13374         (selftest::ix86_test_loading_unspec): New function.
13375         (selftest::ix86_run_selftests): Call the new functions.
13376         * emit-rtl.c (maybe_set_max_label_num): New function.
13377         * emit-rtl.h (maybe_set_max_label_num): New decl.
13378         * function.c (instantiate_decls): Guard call to
13379         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
13380         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
13381         "static".
13382         * gensupport.c (gen_reader::gen_reader): Pass "false"
13383         for new "compact" param of rtx_reader.
13384         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
13385         rather than an empty string for NULL strings.
13386         * read-md.c: Potentially include config.h rather than bconfig.h.
13387         Wrap include of errors.h with #ifdef GENERATOR_FILE.
13388         (have_error): New global, copied from errors.c.
13389         (md_reader::read_name): Rename to...
13390         (md_reader::read_name_1): ...this, adding "out_loc" param,
13391         and converting "missing name or number" to returning false, rather
13392         than failing.
13393         (md_reader::read_name): Reimplement in terms of read_name_1.
13394         (md_reader::read_name_or_nil): New function.
13395         (md_reader::read_string): Handle "(nil)" by returning NULL.
13396         (md_reader::md_reader): Add new param "compact".
13397         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
13398         (md_reader::read_file): New method.
13399         * read-md.h (md_reader::md_reader): Add new param "compact".
13400         (md_reader::read_file): New method.
13401         (md_reader::is_compact): New accessor.
13402         (md_reader::read_name): Convert return type from void to file_location.
13403         (md_reader::read_name_or_nil): New decl.
13404         (md_reader::read_name_1): New decl.
13405         (md_reader::m_compact): New field.
13406         (noop_reader::noop_reader): Pass "false" for new "compact" param
13407         of rtx_reader.
13408         (rtx_reader::rtx_reader): Add new "compact" param.
13409         (rtx_reader::read_rtx_operand): Make virtual and convert return
13410         type from void to rtx.
13411         (rtx_reader::read_until): New decl.
13412         (rtx_reader::handle_any_trailing_information): New virtual function.
13413         (rtx_reader::postprocess): New virtual function.
13414         (rtx_reader::finalize_string): New virtual function.
13415         (rtx_reader::m_in_call_function_usage): New field.
13416         (rtx_reader::m_reuse_rtx_by_id): New field.
13417         * read-rtl-function.c: New file.
13418         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
13419         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
13420         (selftest::verify_three_block_rtl_cfg): New decl.
13421         * read-rtl-function.h: New file.
13422         * read-rtl.c: Potentially include config.h rather than bconfig.h.
13423         For host, include function.h, memmodel.h, and emit-rtl.h.
13424         (one_time_initialization): New function.
13425         (struct compact_insn_name): New struct.
13426         (compact_insn_names): New array.
13427         (find_code): Handle insn codes in compact dumps.
13428         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
13429         (bind_subst_iter_and_attr): Likewise.
13430         (add_condition_to_string): Likewise.
13431         (add_condition_to_rtx): Likewise.
13432         (apply_attribute_uses): Likewise.
13433         (add_current_iterators): Likewise.
13434         (apply_iterators): Likewise.
13435         (initialize_iterators): Guard usage of apply_subst_iterator with
13436         #ifdef GENERATOR_FILE.
13437         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
13438         (md_reader::read_mapping): Likewise.
13439         (add_define_attr_for_define_subst): Likewise.
13440         (add_define_subst_attr): Likewise.
13441         (read_subst_mapping): Likewise.
13442         (check_code_iterator): Likewise.
13443         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
13444         logic to...
13445         (one_time_initialization): New function.
13446         (rtx_reader::read_until): New method.
13447         (read_flags): New function.
13448         (parse_reg_note_name): New function.
13449         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
13450         Handle reuse_rtx ids.
13451         Wrap iterator lookup within #ifdef GENERATOR_FILE.
13452         Add parsing support for RTL dumps, mirroring the special-cases in
13453         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
13454         values, and calling handle_any_trailing_information.
13455         (rtx_reader::read_rtx_operand): Convert return type from void
13456         to rtx, returning return_rtx.  Handle case 'e'.  Call
13457         finalize_string on XSTR and XTMPL fields.
13458         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
13459          "(nil)" values were omitted.  Call the postprocess vfunc on the
13460         return_rtx.
13461         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
13462         class ctor.  Initialize m_in_call_function_usage.  Call
13463         one_time_initialization.
13464         * rtl-tests.c (selftest::test_uncond_jump): Call
13465         set_new_first_and_last_insn.
13466         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
13467         * selftest-rtl.c: New file.
13468         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
13469         (selftest::get_insn_by_uid): New decl.
13470         * selftest-run-tests.c (selftest::run_tests): Call
13471         read_rtl_function_c_tests.
13472         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
13473         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
13474         dumps.
13475
13476 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
13477
13478         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
13479         operands in a special way.  Assert that pos+len <= mode precision.
13480
13481 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
13482
13483         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
13484         3 argument Alias with unlimited for the negative form.
13485         (fno-vect-cost-model): Removed.
13486
13487 2017-01-05  Martin Liska  <mliska@suse.cz>
13488
13489         * hsa-gen.c (gen_hsa_divmod): New function.
13490         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
13491
13492 2017-01-05  Martin Liska  <mliska@suse.cz>
13493
13494         PR pch/78970
13495         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
13496         header.
13497
13498 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13499
13500         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
13501         small constant length operands.
13502
13503 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13504
13505         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
13506         between loop iterations.
13507
13508 2017-01-05  Martin Liska  <mliska@suse.cz>
13509
13510         PR sanitizer/78815
13511         * gimplify.c (gimplify_decl_expr): Compare to
13512         asan_poisoned_variables instread of checking flags.
13513         (gimplify_target_expr): Likewise.
13514         (gimplify_expr): Likewise.
13515         (gimplify_function_tree): Conditionally initialize
13516         asan_poisoned_variables.
13517
13518 2017-01-04  Jeff Law  <law@redhat.com>
13519
13520         PR tree-optimizatin/78812
13521         * rtl.h (contains_mem_rtx_p): Prototype.
13522         * ifcvt.c (containts_mem_rtx_p): Move from here to...
13523         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
13524         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
13525         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
13526         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
13527
13528 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13529
13530         * input.c (assert_char_at_range): Default-initialize actual_range.
13531
13532 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13533
13534         * df-scan.c (df_ref_create_structure): Make regno unsigned,
13535         to match the caller.
13536
13537 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13538
13539         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
13540         insns after final jump in test to emit dummy move.
13541
13542 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13543
13544         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
13545         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
13546
13547 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13548
13549         * multiple_target.c (create_dispatcher_calls): Init e_next.
13550         * tree-ssa-loop-split.c (split_loop): Init border.
13551         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
13552         scalar_type.
13553
13554 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
13555
13556         PR target/71977
13557         PR target/70568
13558         PR target/78823
13559         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
13560         (altivec_register_operand): Do not return true if the operand
13561         contains a SUBREG mixing SImode and SFmode.
13562         (vsx_register_operand): Likewise.
13563         (vsx_reg_sfsubreg_ok): New predicate.
13564         (vfloat_operand): Do not return true if the operand contains a
13565         SUBREG mixing SImode and SFmode.
13566         (vint_operand): Likewise.
13567         (vlogical_operand): Likewise.
13568         (gpc_reg_operand): Likewise.
13569         (int_reg_operand): Likewise.
13570         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
13571         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
13572         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
13573         SImode and SFmode.
13574         (rs6000_emit_move_si_sf_subreg): New helper function.
13575         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
13576         fixup SUBREGs involving SImode and SFmode.
13577         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
13578         numbers for the new peephole2 optimization.
13579         (peephole2 for SFmode unions): New peephole2 to optimize cases in
13580         the GLIBC math library that do AND/IOR/XOR operations on single
13581         precision floating point.
13582         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
13583         target macros to say whether we need to avoid SUBREGs mixing
13584         SImode and SFmode.
13585         (TARGET_ALLOW_SF_SUBREG): Likewise.
13586         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
13587         (UNSPEC_SI_FROM_SF): Likewise.
13588         (iorxor): Change spacing.
13589         (and_ior_xor): New iterator for AND, IOR, and XOR.
13590         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
13591         (movdi_from_sf_zero_ext): Likewise.
13592         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
13593         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
13594         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
13595         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
13596         (fms<mode>4): Likewise.
13597         (fnma<mode>4): Likewise.
13598         (fnms<mode>4): Likewise.
13599         (nfma<mode>4): Likewise.
13600         (nfms<mode>4): Likewise.
13601
13602 2017-01-04  Marek Polacek  <polacek@redhat.com>
13603
13604         PR c++/64767
13605         * doc/invoke.texi: Document -Wpointer-compare.
13606
13607 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
13608
13609         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
13610         RejectNegative.
13611
13612         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
13613         descriptions for -gdwarf-5 and emit them as uleb128 instead of
13614         2-byte data.
13615
13616 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
13617
13618         PR target/78056
13619         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
13620         documentation of the powerpc_popcntb_ok attribute.
13621         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
13622         code to issue warning messages if a requested CPU configuration is
13623         not supported by the binary (assembler and loader) toolchain.
13624         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
13625         made to define a built-in function that has been disabled.
13626         (paired_init_builtins): Add assertion to prevent ICE if attempt is
13627         made to define a built-in function that has been disabled.
13628         (altivec_init_builtins): Add comment explaining why definition
13629         of the DST built-in functions is not preceded by an assertion
13630         check.  Add assertions to prevent ICE if attempts are made to
13631         define an altivec predicate or an abs* built-in function that has
13632         been disabled.
13633         (htm_init_builtins): Add comment explaining why definition of the
13634         htm built-in functions is not preceded by an assertion check.
13635
13636 2017-01-04  Jeff Law  <law@redhat.com>
13637
13638         PR tree-optimizatin/67955
13639         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
13640         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
13641         the points-to solution does not include pt_null.  Use DECL_PT_UID
13642         unconditionally.
13643
13644 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
13645
13646         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
13647         Use gen_int_mode instead of gen_lopwart for const_int operands.
13648
13649 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
13650
13651         PR tree-optimization/71563
13652         * match.pd: Simplify X << Y into X if Y is known to be 0 or
13653         out of range value - has low bits known to be zero.
13654
13655 2017-01-04  Alan Modra  <amodra@gmail.com>
13656
13657         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
13658         * configure: Regenerate.
13659         * config.in: Regenerate.
13660
13661 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
13662
13663         PR bootstrap/77569
13664         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
13665         a substring of the message, but strcmp with the whole message.  Ifdef
13666         ENABLE_NLS, translate the message first using dgettext.
13667
13668 2017-01-03  Jeff Law  <law@redhat.com>
13669
13670         PR tree-optimizatin/78856
13671         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
13672         (mark_threaded_blocks): Remove code to truncate thread paths that
13673         cross multiple loop headers.  Instead invalidate the cached loop
13674         iteration information and handle case of a thread path walking
13675         into an irreducible region.
13676
13677 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
13678
13679         PR target/78900
13680         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
13681         assertions.  Add support for doing the signbit if the IEEE 128-bit
13682         floating point value is in a GPR.
13683         * config/rs6000/rs6000.md (Fsignbit): Delete.
13684         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
13685         Update the length attribute if the value is in a GPR.
13686         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
13687         the sign or zero extension instruction, since the value is always 0/1.
13688         (signbit<mode>2_dm2): Delete using <Fsignbit>.
13689
13690         PR target/78953
13691         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
13692         extracting SImode to a GPR register so that we can generate a
13693         store, limit the vector to be in a traditional Altivec register
13694         for the vextuwrx instruction.
13695
13696 2017-01-03  Ian Lance Taylor  <iant@google.com>
13697
13698         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
13699
13700 2017-01-03  Martin Sebor  <msebor@redhat.com>
13701
13702         PR tree-optimization/78696
13703         * gimple-ssa-sprintf.c (format_floating): Correct handling of
13704         precision.  Use MPFR for %f for greater fidelity.  Correct handling
13705         of %g.
13706         (pass_sprintf_length::compute_format_length): Set width and precision
13707         specified by asrerisk to void_node for vararg functions.
13708         (try_substitute_return_value): Adjust dump output.
13709
13710 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
13711
13712         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
13713
13714 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
13715
13716         * doc/invoke.texi (SPARC options): Document -mlra as the default.
13717         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
13718         -mlra/-mno-lra was passed to the compiler.
13719
13720 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
13721
13722         PR rtl-optimization/65618
13723         * emit-rtl.c (try_split): Move initialization of "before" and
13724         "after" to just before the call to emit_insn_after_setloc.
13725
13726 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
13727
13728         * doc/md.texi (Standard Names): Remove reference to Java frontend.
13729
13730 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
13731
13732         * dwarf2out.c (gen_enumeration_type_die): When
13733         -gno-strict-dwarf, add a DW_AT_encoding attribute.
13734
13735 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
13736
13737         PR tree-optimization/78965
13738         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
13739         Change first argument from const call_info & to call_info &.  For %n
13740         set info.nowrite to false.
13741
13742         PR middle-end/78901
13743         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
13744         possibly throwing calls.
13745
13746         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
13747         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
13748         and fns handling, rather than in a separate case SSA_NAME.
13749
13750 2017-01-02  Jeff Law  <law@redhat.com>
13751
13752         * config/darwin-driver.c (darwin_driver_init): Const-correctness
13753         fixes for first_period and second_period variables.
13754
13755 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
13756
13757         PR target/78967
13758         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
13759         (*insvqi_1): New insn pattern.
13760         (*insvqi_1_mem_rex64): Ditto.
13761         (*insvqi_2): Ditto.
13762         (*insvqi_3): Rename from *insvqi.
13763
13764         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
13765
13766 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
13767
13768         * doc/cfg.texi (Edges): Remove reference to Java.
13769         (Maintaining the CFG): Ditto.
13770
13771 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
13772
13773         PR middle-end/77674
13774         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
13775         transparent aliases.
13776
13777 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
13778
13779         PR middle-end/77484
13780         * predict.def (PRED_CALL): Update hitrate.
13781         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
13782         * predict.c (tree_estimate_probability_bb): Split CALL predictor
13783         into direct/indirect/polymorphic variants.
13784
13785 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
13786
13787         Update copyright years.
13788
13789         * gcc.c (process_command): Update copyright notice dates.
13790         * gcov-dump.c (print_version): Ditto.
13791         * gcov.c (print_version): Ditto.
13792         * gcov-tool.c (print_version): Ditto.
13793         * gengtype.c (create_file): Ditto.
13794         * doc/cpp.texi: Bump @copying's copyright year.
13795         * doc/cppinternals.texi: Ditto.
13796         * doc/gcc.texi: Ditto.
13797         * doc/gccint.texi: Ditto.
13798         * doc/gcov.texi: Ditto.
13799         * doc/install.texi: Ditto.
13800         * doc/invoke.texi: Ditto.
13801 \f
13802 Copyright (C) 2017 Free Software Foundation, Inc.
13803
13804 Copying and distribution of this file, with or without modification,
13805 are permitted in any medium without royalty provided the copyright
13806 notice and this notice are preserved.