gcc/ChangeLog

   1 2017-06-09  David Malcolm  <dmalcolm@redhat.com>
   2
   3         * diagnostic.c (diagnostic_report_diagnostic): Only add fixits
   4         to the edit_context if they can be auto-applied.
   5
   6 2017-06-9  Ian Lance Taylor  <iant@golang.org>
   7
   8         * opts.c (finish_options): If -fsplit-stack, disable implicit
   9         -forder-blocks-and-partition.
  10         * doc/invoke.texi (Optimize Options): Document that when using
  11         -fsplit-stack -forder-blocks-and-partition is not implicitly
  12         enabled.
  13
  14 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
  15
  16         * builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST,
  17         ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST,
  18         ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST): New.
  19         * builtins.def (abort, trap, unreachable): Declare cold.
  20         * calls.c (flags_from_decl_or_type): Lookup ECF_COLD.
  21         * tree-core.h (ECF_COLD): New.
  22         * tree.c (set_call_expr_flags): Handle ECF_COLD.
  23         (build_common_builtin_nodes): Mark unreachable and abort as cold.
  24
  25 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
  26
  27         * predict.c (unlikely_executed_stmt_p): Cleanup.
  28
  29 2017-06-09  Richard Biener  <rguenther@suse.de>
  30
  31         * tree-ssa-loop-im.c (execute_sm): Do not force multi-threaded
  32         model if the ref is always written to.
  33
  34 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
  35
  36         * config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2): New.
  37
  38 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
  39
  40         * config/arm/arm.c (arm_rtx_costs_internal): Make sdiv more expensive
  41         than udiv.
  42
  43 2017-06-09  Tom de Vries  <tom@codesourcery.com>
  44
  45         PR target/80855
  46         * config/nvptx/nvptx.md (define_expand "mov<QHSDISDFM>"): Error out with
  47         "target cannot support label values" when encountering LABEL_REF.
  48
  49 2017-06-09  Martin Liska  <mliska@suse.cz>
  50
  51         * tree-profile.c (gimple_gen_ic_profiler): Update comment.
  52         (gimple_gen_ic_func_profiler): Emit direct comparison
  53         of __gcov_indirect_call_callee with NULL.
  54         (gimple_gen_time_profiler): Change probability from
  55         PROB_VERY_UNLIKELY to PROB_UNLIKELY.
  56
  57 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
  58
  59         * profile.c (edge_gcov_counts): Turn to pointer.
  60         (compute_branch_probabilities, compute_branch_probabilities): Update.
  61         (branch_prob): Do not clear edge_gcov_count.
  62         * profile.h (edge_gcov_counts): Turn to pointer.
  63         (edge_gcov_count): Update.
  64
  65 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
  66
  67         * gimple.h (gimple_check_failed): Mark cold.
  68
  69 2017-06-09  Richard Biener  <rguenther@suse.de>
  70
  71         PR tree-optimization/66623
  72         * tree-vect-loop.c (vect_is_simple_reduction): Cleanup,
  73         refactor check_reduction into two parts, properly computing
  74         whether we have to check reduction validity for outer loop
  75         vectorization.
  76
  77 2017-06-09  Richard Biener  <rguenther@suse.de>
  78
  79         PR tree-optimization/79483
  80         * graphite-scop-detection.c (order): New global.
  81         (get_order): Compute bb to order mapping that satisfies code
  82         generation constraints.
  83         (cmp_pbbs): New helper.
  84         (build_scops): Start domwalk at entry block, sort generated
  85         pbbs.
  86
  87 2017-06-09  Richard Biener  <rguenther@suse.de>
  88
  89         PR middle-end/81007
  90         * ipa-polymorphic-call.c
  91         (ipa_polymorphic_call_context::restrict_to_inner_class):
  92         Skip FIELD_DECLs with error_mark_node type.
  93         * passes.def (all_lowering_passes): Run pass_build_cgraph_edges
  94         last again.
  95
  96 2017-06-09  Martin Liska  <mliska@suse.cz>
  97
  98         * predict.c (struct branch_predictor): New struct.
  99         (test_prediction_value_range): New test.
 100         (predict_c_tests): New function.
 101         * selftest-run-tests.c (selftest::run_tests): Run the function.
 102         * selftest.h: Declare new tests.
 103
 104 2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
 105
 106         PR target/80966
 107         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
 108         gen_add3_insn did not fail.
 109         * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
 110         r0, construct that number in a temporary reg and add that reg to r0.
 111         If asked to put the result in r0 as well, fail.
 112
 113 2017-06-08  Will Schmidt  <will_schmidt@vnet.ibm.com>
 114
 115         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
 116         for early expansion of vec_eqv.
 117
 118 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
 119
 120         PR middle-end/81005
 121         * ubsan.c (instrument_null): Avoid pointless code temporary.
 122         (pass_ubsan::execute): Instrument aggregate arguments of calls.
 123
 124 2017-06-08  Uros Bizjak  <ubizjak@gmail.com>
 125
 126         PR target/81015
 127         Revert:
 128         2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
 129
 130         PR target/59874
 131         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
 132         (*clzhi2): Ditto.
 133
 134 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 135
 136         * predict.c (unlikely_executed_edge_p): Move ahead.
 137         (probably_never_executed_edge_p): Use it.
 138
 139 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
 140
 141         PR middle-end/79988
 142         * tree-chkp.c (chkp_gimple_call_builtin_p): Remove
 143         gimple_call_builtin_p call.
 144
 145 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 146
 147         * system.h (fancy_abort): Annotate by ATTRIBUTE_COLD.
 148         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
 149         rtl_check_failed_type2, rtl_check_failed_code1,
 150         rtl_check_failed_code2, rtl_check_failed_code_mode,
 151         rtl_check_failed_block_symbol, cwi_check_failed_bounds,
 152         rtvec_check_failed_bounds, rtl_check_failed_flag,
 153         _fatal_insn_not_found, _fatal_insn): Likewise.
 154         * tree.h (tree_contains_struct_check_failed,
 155         tree_check_failed, tree_not_check_failed,
 156         tree_class_check_failed, tree_range_check_failed,
 157         tree_not_class_check_failed, tree_int_cst_elt_check_failed,
 158         tree_vec_elt_check_failed, phi_node_elt_check_failed,
 159         tree_operand_check_failed, omp_clause_check_failed,
 160         omp_clause_operand_check_failed, omp_clause_range_check_failed):
 161         Likewise.
 162
 163 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 164
 165         * cgraph.c (cgraph_edge::maybe_hot_p): Do not check
 166         flag_branch_probabilities.
 167         * ipa-inline.c (edge_badness): Likewise.
 168         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
 169         * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
 170         * predict.c (maybe_hot_frequency_p): Likewise.
 171         (probably_never_executed): Likewise.
 172         * sched-ebb.c (schedule_ebbs): Likewise.
 173         * sched-rgn.c (find_single_block_region): Likewise.
 174         * tracer.c (tail_duplicate): Likewise.
 175
 176 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 177
 178         * opts.c (finish_options): x_flag_reorder_blocks_and_partition no
 179         longer requires x_flag_profile_use.
 180
 181 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 182
 183         * cfgrtl.c (cfg_layout_initialize): Check crtl->has_bb_partition
 184         instead of flag_reorder_blocks_and_partition.
 185         * dbxout.c (dbxout_function_end): Likewise.
 186         * dwarf2out.c (gen_subprogram_die): Likewise.
 187         * haifa-sched.c (sched_create_recovery_edges): Likewise.
 188         * hw-doloop.c (reorg_loops): Likewise.
 189         * varasm.c (assemble_start_function,
 190         assemble_end_function): Likewise.
 191         (decide_function_section): Do not check for
 192         flag_reorder_blocks_and_partition.
 193
 194 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
 195
 196         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
 197         New function.
 198         (chkp_get_hard_register_fake_addr_expr): Ditto.
 199         (chkp_build_addr_expr): Add check for hard reg case.
 200         (chkp_parse_array_and_component_ref): Ditto.
 201         (chkp_find_bounds_1): Ditto.
 202         (chkp_process_stmt): Don't generate bounds store for
 203         hard reg case.
 204
 205 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 206
 207         * predict.c (maybe_hot_bb_p): Do not check profile status.
 208         (maybe_hot_edge_p): Likewise.
 209         (probably_never_executed): Check for zero counts even if profile
 210         is not read.
 211         (unlikely_executed_edge_p): New function.
 212         (unlikely_executed_stmt_p): New function.
 213         (unlikely_executed_bb_p): New function.
 214         (set_even_probabilities): Use unlikely predicates.
 215         (combine_predictions_for_bb): Likewise.
 216         (predict_paths_for_bb): Likewise.
 217         (predict_paths_leading_to_edge): Likewise.
 218         (determine_unlikely_bbs): New function.
 219         (estimate_bb_frequencies): Use it.
 220         (compute_function_frequency): Use zero counts even if profile is
 221         not read.
 222         * profile-count.h: Fix typo.
 223
 224 2017-08-08  Julia Koval  <julia.koval@intel.com>
 225
 226         * config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
 227         _mm512_mask_cvtsepi16_storeu_epi8,
 228         _mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
 229         * config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
 230         _mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
 231         _mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
 232         _mm_mask_cvtepi16_storeu_epi8): New intrinsics.
 233         * config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
 234         (VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
 235         VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
 236         * config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
 237         __builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
 238         __builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
 239         __builtin_ia32_pmovuswb256mem_mask,
 240         __builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
 241         __builtin_ia32_pmovwb512mem_mask): New builtins.
 242
 243 2017-08-08  Julia Koval  <julia.koval@intel.com>
 244
 245         PR target/73350,80862
 246         * config/i386/subst.md (round): Fix round pattern.
 247         * config/i386/i386.c (ix86_erase_embedded_rounding):
 248         Fix erasing rounding for the fixed pattern.
 249
 250 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 251
 252         * cfgbuild.c (find_many_sub_basic_blocks): Fix thinko.
 253
 254 2017-06-08  Martin Liska  <mliska@suse.cz>
 255
 256         PR gcov-profile/80911
 257         * gcov.c (block_info::block_info): New constructor.
 258
 259 2017-06-07  Carl Love  <cel@us.ibm.com>
 260
 261         * config/rs6000/rs6000-c: The return type of the following
 262         built-in functions was implemented as int not long long.  Fix sign
 263         of return value for the unsigned version of vec_mulo and vec_mule.
 264         vector unsigned long long vec_bperm (vector unsigned long long,
 265                                              vector unsigned char)
 266         vector signed long long vec_mule (vector signed int,
 267                                           vector signed int)
 268         vector unsigned long long vec_mule (vector unsigned int,
 269                                             vector unsigned int)
 270         vector signed long long vec_mulo (vector signed int,
 271                                           vector signed int)
 272         vector unsigned long long vec_mulo (vector unsigned int,
 273                                             vector unsigned int)
 274         * doc/extend.texi: Fix the documentation for the built-in
 275         functions.
 276
 277 2017-06-07  Carl Love  <cel@us.ibm.com>
 278
 279         PR target/80982
 280         * config/rs6000/altivec.md (double<mode>2): Fix the implementation of
 281         for BE.
 282
 283 2017-06-07  Carl Love  <cel@us.ibm.com>
 284
 285         * config/rs6000/altivec.md: Fix argument swizzle in vec_doublel
 286         support, Generate       doublehv for signed int/float for BE case only.
 287
 288 2017-06-07  Alexander Monakov  <amonakov@ispras.ru>
 289
 290         * doc/invoke.texi (mcx16): Rewrite.
 291
 292 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 293
 294         * config/rs6000/predicates.md (rs6000_nonimmediate_operand): Delete.
 295         * config/rs6000/rs6000.md (*movsi_internal1, movsi_from_sf,
 296         *mov<mode>_softfloat, and an anonymous splitter): Use
 297         nonimmediate_operand instead of rs6000_nonimmediate_operand.
 298
 299 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 300
 301         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE_ACC and
 302         SPEFSCR registers.
 303         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
 304         (enum rs6000_reg_type): Delete SPE_ACC_TYPE and SPEFSCR_REG_TYPE.
 305         (rs6000_debug_reg_global): Adjust.
 306         (rs6000_init_hard_regno_mode_ok): Adjust.
 307         (rs6000_dbx_register_number): Adjust.
 308         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change to 115.
 309         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
 310         Remove SPE_ACC and SPEFSCR.
 311         (REG_ALLOC_ORDER): Ditto.
 312         (FRAME_POINTER_REGNUM): Change to 111.
 313         (enum reg_class): Remove the SPE_ACC and SPEFSCR registers.
 314         (REG_CLASS_NAMES): Ditto.
 315         (REG_CLASS_CONTENTS): Delete the SPE_ACC and SPEFSCR registers.
 316         (REGISTER_NAMES): Ditto.
 317         (ADDITIONAL_REG_NAMES): Ditto.
 318         (rs6000_reg_names): Ditto.
 319         * config/rs6000/rs6000.md: Renumber some register number
 320         define_constants.
 321
 322 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 323
 324         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE high
 325         registers.
 326         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
 327         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change from 149
 328         to 117.
 329         (DWARF_REG_TO_UNWIND_COLUMN): Do not define.
 330         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
 331         Delete the SPE high registers.
 332         (REG_ALLOC_ORDER): Ditto.
 333         (enum reg_class): Remove SPE_HIGH_REGS.
 334         (REG_CLASS_NAMES): Ditto.
 335         (REG_CLASS_CONTENTS): Delete the SPE high registers.
 336         (REGISTER_NAMES): Ditto.
 337         (rs6000_reg_names): Ditto.
 338         * doc/tm.texi.in: Remove SPE as example.
 339         * doc/tm.texi: Regenerate.
 340
 341 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 342
 343         * config/rs6000/8540.md (ppc8540_brinc): Delete.
 344         * config/rs6000/e500mc.md (e500mc_brinc): Delete.
 345         * config/rs6000/e500mc64.md (e500mc64_brinc): Delete.
 346         * config/rs6000/rs6000.md (type): Remove "brinc".
 347
 348 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 349
 350         * config.gcc (powerpc*-*-*): Don't add spe.h to extra_headers.
 351         (powerpc*-linux*spe*): Use ${cpu_type} instead of rs6000.
 352         * config/rs6000/linuxspe.h: Delete file.
 353         * config/rs6000/rs6000.md: Don't include spe.md.
 354         * config/rs6000/spe.h: Delete file.
 355         * config/rs6000/spe.md: Delete file.
 356         * config/rs6000/t-rs6000: Remove spe.md.
 357
 358 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 359
 360         * config/rs6000/predicates.md (reg_or_mem_operand): Reformat.
 361         (reg_or_none500mem_operand): Delete.
 362         * config/rs6000/rs6000.md (extendsfdf2): Use reg_or_mem_operand
 363         instead of reg_or_none500mem_operand.
 364
 365 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 366
 367         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
 368         handling of SPE flags.
 369         * config/rs6000/rs6000.opt (-mspe, -mspe=no, -mspe=yes): Delete.
 370
 371 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 372
 373         * config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
 374         SPE ABI handling.
 375         * config/rs6000/paired.md (paired_negv2sf2): Rename to negv2sf2.
 376         (paired_absv2sf2, paired_addv2sf3, paired_subv2sf3, paired_mulv2sf3,
 377         paired_divv2sf3): Similar.
 378         * config/rs6000/predicates.md: Replace TARGET_SPE, TARGET_SPE_ABI,
 379         SPE_VECTOR_MODE and SPE_HIGH_REGNO_P by 0; simplify.
 380         * config/rs6000/rs6000-builtin.def: Delete RS6000_BUILTIN_E and
 381         RS6000_BUILTIN_S.
 382         Delete BU_SPE_1, BU_SPE_2, BU_SPE_3, BU_SPE_E, BU_SPE_P, and BU_SPE_X.
 383         Rename the paired_* instruction patterns.
 384         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Do not
 385         define __SPE__.
 386         * config/rs6000/rs6000-protos.h (invalid_e500_subreg): Delete.
 387         * config/rs6000/rs6000.c: Delete RS6000_BUILTIN_E and RS6000_BUILTIN_S.
 388         (struct rs6000_stack): Delete fields spe_gp_save_offset, spe_gp_size,
 389         spe_padding_size, and spe_64bit_regs_used.  Replace TARGET_SPE and
 390         TARGET_SPE_ABI with 0, simplify.  Replace SPE_VECTOR_MODE with
 391         PAIRED_VECTOR_MODE.
 392         (struct machine_function): Delete field spe_insn_chain_scanned_p.
 393         (spe_func_has_64bit_regs_p): Delete.
 394         (spe_expand_predicate_builtin): Delete.
 395         (spe_expand_evsel_builtin): Delete.
 396         (TARGET_DWARF_REGISTER_SPAN): Do not define.
 397         (TARGET_MEMBER_TYPE_FORCES_BLK): Do not define.
 398         (invalid_e500_subreg): Delete.
 399         (rs6000_legitimize_address): Always force_reg op2 as well, for
 400         paired single memory accesses.
 401         (rs6000_member_type_forces_blk): Delete.
 402         (rs6000_spe_function_arg): Delete.
 403         (rs6000_expand_unop_builtin): Delete SPE handling.
 404         (rs6000_expand_binop_builtin): Ditto.
 405         (spe_expand_stv_builtin): Delete.
 406         (bdesc_2arg_spe): Delete.
 407         (spe_expand_builtin): Delete.
 408         (spe_expand_predicate_builtin): Delete.
 409         (spe_expand_evsel_builtin): Delete.
 410         (rs6000_invalid_builtin): Remove RS6000_BTM_SPE handling.
 411         (spe_init_builtins): Delete.
 412         (spe_func_has_64bit_regs_p): Delete.
 413         (savres_routine_name): Delete "info" parameter.  Adjust callers.
 414         (rs6000_emit_stack_reset): Ditto.
 415         (rs6000_dwarf_register_span): Delete.
 416         * config/rs6000/rs6000.h (TARGET_SPE_ABI, TARGET_SPE,
 417         UNITS_PER_SPE_WORD, SPE_HIGH_REGNO_P, SPE_SIMD_REGNO_P,
 418         SPE_VECTOR_MODE, RS6000_BTM_SPE, RS6000_BUILTIN_E, RS6000_BUILTIN_S):
 419         Delete.
 420         * config/rs6000/rs6000.md (FIRST_SPE_HIGH_REGNO, LAST_SPE_HIGH_REGNO):
 421         Delete.
 422         * config/rs6000/rs6000.opt (-mabi=spe, -mabi=no-spe): Delete.
 423         * config/rs6000/spe.md: Delete every pattern that uses TARGET_SPE.
 424         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
 425         mulv2sf3, divv2sf3): Delete expanders.
 426
 427 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 428
 429         config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Delete.
 430
 431 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 432
 433         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit): Delete.
 434         * config/rs6000/rs6000.c: Ditto.
 435
 436 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 437
 438         * config/rs6000/predicated.md (rs6000_cbranch_operator): Delete.
 439         * config/rs6000/rs6000.md: Replace rs6000_cbranch_operator by
 440         comparison_operator.
 441
 442 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 443
 444         * config/rs6000/rs6000.c: Remove everything related to -mfloat-gprs.
 445         * config/rs6000/rs6000.opt: Ditto.
 446         * config/rs6000/t-rtems: Ditto.
 447
 448 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 449
 450         * config/rs6000/predicates.md: Replace TARGET_E500_DOUBLE and
 451         TARGET_E500_SINGLE by 0, simplify.
 452         * config/rs6000/rs6000.c: Ditto.
 453         (rs6000_option_override_internal): Delete CHECK_E500_OPTIONS.
 454         (spe_build_register_parallel): Delete.
 455         * config/rs6000/rs6000.h: Delete TARGET_E500_SINGLE,
 456         TARGET_E500_DOUBLE, and CHECK_E500_OPTIONS.
 457         * config/rs6000/rs6000.md: Replace TARGET_E500_DOUBLE,
 458         TARGET_E500_SINGLE, and <E500_CONVERT> by 0, simplify.
 459         (E500_CONVERT): Delete.
 460         * config/rs6000/spe.md: Remove many patterns and all define_constants.
 461
 462 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 463
 464         * config/rs6000/darwin.md: Replace TARGET_FPRS by 1 and simplify.
 465         * config/rs6000/dfp.md: Ditto.
 466         (negdd2, *negdd2_fpr): Merge.
 467         (absdd2, *absdd2_fpr): Merge.
 468         (negtd2, *negtd2_fpr): Merge.
 469         (abstd2, *abstd2_fpr): Merge.
 470         * config/rs6000/e500.h: Delete file.
 471         * config/rs6000/predicates.md (rs6000_cbranch_operator): Replace
 472         TARGET_FPRS by 1 and simplify.
 473         * config/rs6000/rs6000-c.c: Ditto.
 474         * config/rs6000/rs6000.c: Ditto.  Also replace TARGET_SF_SPE and
 475         TARGET_DF_SPE by 0.
 476         * config/rs6000/rs6000.h: Ditto.  Delete TARGET_SF_SPE and
 477         TARGET_DF_SPE.
 478         * config/rs6000/rs6000.md: Ditto.
 479         (floatdidf2, *floatdidf2_fpr): Merge.
 480         (move_from_CR_gt_bit): Delete.
 481         * config/rs6000/spe.md: Replace TARGET_FPRS by 1 and simplify.
 482         (E500_CR_IOR_COMPARE): Delete.
 483         (All patterns that require !TARGET_FPRS): Delete.
 484         * config/rs6000/vsx.md: Replace TARGET_FPRS by 1 and simplify.
 485
 486 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 487
 488         * passes.def (pass_iv_canon): Move before pass_loop_distribution.
 489
 490 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 491
 492         * graphds.c (add_edge): Intitialize edge's attached data.
 493         (foll_in_subgraph, dfs_fst_edge, dfs_next_edge): New function
 494         pointer parameter.  Call pointed function on each edge during
 495         graph traversing.  Skip traversing the edge when the function
 496         returns true.
 497         (graphds_dfs, graphds_scc): Ditto.
 498         (for_each_edge): New parameter.  Pass the new parameter to callback
 499         function.
 500         * graphds.h (skip_edge_callback): New function pointer type.
 501         (graphds_dfs, graphds_scc): New function pointer parameter.
 502         (graphds_edge_callback, for_each_edge): New parameter.
 503
 504 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 505
 506         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Factor
 507         out code checking if runtime alias check is possible to below ...
 508         Call the new function.
 509         * tree-data-ref.c (runtime_alias_check_p): ... to new function.
 510         * tree-data-ref.h (runtime_alias_check_p): New decalaration.
 511
 512 2017-06-07  Marek Polacek  <polacek@redhat.com>
 513
 514         PR sanitizer/80932
 515         * fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
 516         TYPE_OVERFLOW_WRAPS check.
 517
 518 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 519
 520         * tree-vect-loop-manip.c (vect_do_peeling): Don't skip vector loop
 521         if versioning is required.
 522         * tree-vect-loop.c (vect_analyze_loop_2): Merge niter check for loop
 523         peeling with the check for versioning.
 524
 525 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 526
 527         * tree-vectorizer.h (vect_build_loop_niters): New parameter.
 528         * tree-vect-loop-manip.c (vect_build_loop_niters): New parameter.
 529         Set true to new parameter if new ssa variable is defined.
 530         (vect_gen_vector_loop_niters): Refactor.  Set range information
 531         for the new vector loop bound variable.
 532         (vect_do_peeling): Ditto.
 533
 534 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 535
 536         * tree-affine.c (ssa.h): Include header file.
 537         (tree_to_aff_combination): Handle (T1)(X - CST) when inner type
 538         has wrapping overflow behavior.
 539
 540 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 541
 542         * tree-affine.c (tree_to_aff_combination): Handle (T1)(X + X).
 543
 544 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 545
 546         (aff_combination_expand): Move (T1)(X *+- CST) simplification to ...
 547         (tree_to_aff_combination): ... here.
 548
 549 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 550
 551         * tree-ssa-loop-ivopts.c (ivopts_estimate_reg_pressure): New
 552         reg_pressure model function.
 553         (ivopts_global_cost_for_size): Delete.
 554         (determine_set_costs, iv_ca_recount_cost): Call new model function
 555         ivopts_estimate_reg_pressure.
 556
 557 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
 558
 559         * config/aarch64/aarch64.c (aarch64_rtx_costs): Make sdiv more expensive than udiv.
 560         Remove floating point cases from mod.
 561
 562 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
 563
 564         * config/arm/aarch-cost-tables.h (cortexa53_extra_cost): Increase idiv cost.
 565
 566 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
 567
 568         * config/aarch64/aarch64.md
 569         (copysignsf3): Fix mask generation.
 570
 571 2017-06-07  Jakub Jelinek  <jakub@redhat.com>
 572
 573         * dumpfile.h (enum tree_dump_index): Rename TDI_generic to
 574         TDI_gimple.
 575         (class dump_manager): Add register_dumps method.
 576         * dumpfile.c: Include langhooks.h.
 577         (dump_files): Use 0 instead of 3/4/5 for TDI_{original,gimple,nested}.
 578         (FIRST_AUTO_NUMBERED_DUMP): Decrease to 1.
 579         (FIRST_ME_AUTO_NUMBERED_DUMP): Define.
 580         (dump_manager::dump_register): Start with 512 entries instead of 32.
 581         (dump_manager::register_dumps): New method.
 582         * toplev.c (general_init): Instead of invoking register_dumps
 583         langhook, invoke register_dumps method on the dump manager.
 584         * gimplify.c (gimplify_function_tree): Use TDI_gimple instead of
 585         TDI_generic.
 586
 587 2017-06-07  Richard Sandiford  <richard.sandiford@linaro.org>
 588
 589         * doc/md.texi: Clarify the restrictions on a define_insn condition.
 590         Say that # requires an associated define_split to exist, and that
 591         the define_split must be suitable for use after register allocation.
 592
 593 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 594
 595         * cfgbuild.c (find_bb_boundaries): Initialize profile of split blocks.
 596         (compute_outgoing_frequencies): Also initialize zero counts.
 597         (find_many_sub_basic_blocks): Do not produce uninitialized profile
 598         around loops; preserve more of profile when nothing changes.
 599
 600 2017-06-06  Jim Wilson  <jim.wilson@linaro.org>
 601
 602         * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
 603         here.
 604         * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
 605         * config/arm/arm-cpu-cdata.h: Regenerate.
 606         * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
 607         * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
 608         * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
 609         * config/arm/arm.c (arm_qdf24xx_tune): Delete.
 610         * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
 611         support.
 612         * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
 613         support.
 614         * config/arm/t-rmprofile: Likewise.
 615         * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.
 616
 617 2017-06-06  David S. Miller  <davem@davemloft.net>
 618
 619         PR target/80968
 620         * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
 621         blockage if function uses alloca.
 622
 623 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
 624
 625         * tree-ssa-loop-prefetch.c (struct mem_ref_group, struct mem_ref):
 626         New "uid" fields to hold pretty-print IDs of group and ref.
 627         Memory references are now identified as <group_id>:<ref_id>
 628         instead of using [random] addresses.
 629         (dump_mem_details): Simplify, no functional change.
 630         (dump_mem_ref): Simplify and make output more concise.
 631         Replace couple of fprintf's throughout code with calls to dump_mem_ref.
 632         (find_or_create_group): Initialize group uid.
 633         (record_ref): Initialize ref uid.  Improve debug output.
 634         (prune_group_by_reuse, should_issue_prefetch_p,)
 635         (should_issue_prefetch_p, schedule_prefetches, issue_prefetch_ref,)
 636         (mark_nontemporal_store, determine_loop_nest_reuse):
 637         Improve debug output.
 638
 639 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
 640
 641         * dbgcnt.def (prefetch): New debug counter.
 642         * tree-ssa-loop-prefetch.c (dbgcnt.h): New include.
 643         (schedule_prefetches): Stop issueing prefetches if debug counter
 644         tripped.
 645
 646 2017-06-06  Tom de Vries  <tom@codesourcery.com>
 647
 648         * doc/sourcebuild.texi (Testsuites, C Language Testsuites,
 649         gcc.c-torture/compile): Remove mention of NO_LABEL_VALUES in fixme.
 650
 651 2017-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 652
 653         * config/aarch64/atomics.md (atomic_compare_and_swap<mode> expander):
 654         Use aarch64_reg_or_zero predicate for operand 4.
 655         (aarch64_compare_and_swap<mode> define_insn_and_split):
 656         Use aarch64_reg_or_zero predicate for operand 3.  Add 'Z' constraint.
 657         (aarch64_store_exclusive<mode>): Likewise for operand 2.
 658
 659 2017-06-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 660
 661         * config/arm/arm.c (arm_compute_save_reg_mask): Rename into ...
 662         (arm_compute_save_core_reg_mask): This.
 663         (thumb1_compute_save_reg_mask): Rename into ...
 664         (thumb1_compute_save_core_reg_mask): This.
 665         (arm_compute_save_reg0_reg12_mask): Adapt comment.
 666         (arm_compute_frame_layout): Likewise.
 667
 668 2017-06-06  Richard Biener  <rguenther@suse.de>
 669
 670         PR tree-optimization/80974
 671         * tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
 672         keep or clear leaders SSA info.
 673
 674 2017-06-06  Tom de Vries  <tom@codesourcery.com>
 675
 676         * config/nvptx/nvptx.c (split_mode_p): New function.
 677         (nvptx_declare_function_name, nvptx_print_operand): Use split_mode_p.
 678
 679 2017-06-06  Tom de Vries  <tom@codesourcery.com>
 680
 681         * config/nvptx/nvptx.c (nvptx_print_operand): Use maybe_split_mode.
 682
 683 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 684
 685         PR bootstrap/80978
 686         * tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
 687         profile.
 688
 689 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 690
 691         * shrink-wrap.c (handle_simple_exit): Update profile.
 692         (try_shrink_wrapping): Upate profile.
 693
 694 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 695
 696         * predict.c (tree_estimate_probability_bb): Add LOCAL_ONLY.
 697         (tree_guess_outgoing_edge_probabilities): New.
 698         * predict.h (tree_guess_outgoing_edge_probabilities): Declare.
 699         * tree-cfg.c (gimple_find_sub_bbs): Propagate profile.
 700
 701 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 702
 703         * ipa-split.c (split_function): Initialize return bb profile.
 704
 705 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 706
 707         * profile.c (compute_branch_probabilities): Also initialize
 708         EXIT_BLOCK profile.
 709
 710 2017-06-06  Richard Biener  <rguenther@suse.de>
 711
 712         PR tree-optimization/80928
 713         * tree-vect-loop.c (vect_update_vf_for_slp): Amend dumps.
 714         (vect_analyze_loop_operations): Properly guard analysis for
 715         pure SLP case.
 716         (vect_transform_loop): Likewise.
 717         (vect_analyze_loop_2): Also reset SLP type on PHIs.
 718         (vect_model_induction_cost): Do not cost for pure SLP.
 719         (vectorizable_induction): Pass in SLP node, implement SLP vectorization
 720         of induction in inner loop vectorization.
 721         * tree-vect-slp.c (vect_create_new_slp_node): Handle PHIs.
 722         (vect_get_and_check_slp_defs): Handle vect_induction_def.
 723         (vect_build_slp_tree): Likewise.  Handle PHIs as terminating the
 724         recursion.
 725         (vect_analyze_slp_cost_1): Cost induction.
 726         (vect_detect_hybrid_slp_stmts): Handle PHIs.
 727         (vect_get_slp_vect_defs): Likewise.
 728         * tree-vect-stmts.c (vect_analyze_stmt): Handle induction.
 729         (vect_transform_stmt): Handle SLP reductions.
 730         * tree-vectorizer.h (vectorizable_induction): Adjust.
 731
 732 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
 733
 734         * config/rs6000/rs6000.c (make_resolver_func): Update
 735         init_lowered_empty_function call.
 736
 737 2017-06-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 738
 739         * doc/invoke.texi: Document the -fprofile-abs-path option.
 740         * common.opt (fprofile-abs-path): New option.
 741         * gcov-io.h (gcov_write_filename): Declare.
 742         * gcov-io.c (gcov_write_filename): New function.
 743         * coverage.c (coverage_begin_function): Use gcov_write_filename.
 744         * profile.c (output_location): Likewise.
 745
 746 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
 747
 748         * shring-wrap.c: Revert accidental commit.
 749
 750 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
 751
 752         * doc/invoke.texi (-Wduplicated-branches): Add to warning list.
 753
 754 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
 755
 756         * cfgexpand.c (expand_gimple_tailcall): Initialize profile of
 757         new edge.
 758         * ipa-inline.c (want_inline_self_recursive_call_p): Watch for missing
 759         profile in callgraph edge.
 760         * profile-count.h (apply_probability): If THIS is 0, then result is 0
 761         (apply_scale): Likewise.
 762         * tree-inline.c (copy_bb, copy_edges_for_bb, copy_cfg_body):
 763         Also scale profile when inlining function with zero profile.
 764         (initialize_cfun): Update exit block profile even when it is zero.
 765         * tree-ssa-threadupdate.c (clear_counts_path): Handle correctly case
 766         when profile is read.
 767
 768 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
 769
 770         * config/rs6000/rs6000.c (toplevel): Include attribs.h.
 771         (CLONE_*): New constants to define the processors we can generate
 772         code for with the target_clone attribute.
 773         (rs6000_clone_map): New array to identify which clone processors
 774         the current program is running on.
 775         (TARGET_COMPARE_VERSION_PRIORITY): Define to enable the
 776         target_clone attribute.
 777         (TARGET_GENERATE_VERSION_DISPATCHER_BODY): Likewise.
 778         (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): Likewise.
 779         (TARGET_OPTION_FUNCTION_VERSIONS): Likewise.
 780         (cpu_expand_builtin): Add support for target_clone attribute.
 781         (rs6000_valid_attribute_p): Allow "default" attribute.
 782         (get_decl_name): New debug function to simplify printing the
 783         current function name in debugging statements.
 784         (rs6000_clone_priority): New functions to support the target_clone
 785         attribute, and be able to generate code to switch between ISA 2.05
 786         through ISA 3.0 (power6 through power9).
 787         (rs6000_compare_version_priority): Likewise.
 788         (rs6000_get_function_versions_dispatcher): Likewise.
 789         (make_resolver_func): Likewise.
 790         (add_condition_to_bb): Likewise.
 791         (dispatch_function_versions): Likewise.
 792         (rs6000_generate_version_dispatcher_body): Likewise.
 793         (rs6000_can_inline_p): Call get_decl_name for debugging usage.
 794         (fusion_gpr_load_p): Fix a spacing issue.
 795         * doc/extend.texi (Common Function Attributes): Document that the
 796         PowerPC supports the target_clone attribute.
 797
 798 2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 799
 800         * config/arm/arm.h: explain F symbol found in description of ARM
 801         register allocation in its legend.
 802
 803 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
 804
 805         * config/mips/frame-header-opt.c: Include profile-count.h.
 806         * config/riscv/riscv.c: Include profile-count.h
 807
 808 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
 809
 810         * tree-ssa-loop-im.c (execute_sm_if_changed): Add FLAG_BBS parameter;
 811         update profile.
 812         (sm_set_flag_if_changed): Add bbs field.
 813         (execute_sm_if_changed_flag_set): Pass BBS.
 814         (execute_sm): Update.
 815
 816 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 817
 818         * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
 819         New pattern.
 820
 821 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 822
 823         * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): New define_insn.
 824         (peephole2): New peephole2 to emit the above.
 825         * config/aarch64/predicates.md (aarch64_sub_immediate): New predicate.
 826
 827 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 828
 829         * config/aarch64/aarch64.c (define_peephole2 above
 830         *sub_<shift>_<mode>): New peephole.
 831
 832 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
 833
 834         * config/i386/i386.c (make_resolver_func): Update.
 835         * Makefile.in: Add profile-count.h and profile-count.o
 836         * auto-profile.c (afdo_indirect_call): Update to new API.
 837         (afdo_set_bb_count): Update.
 838         (afdo_propagate_edge): Update.
 839         (afdo_propagate_circuit): Update.
 840         (afdo_calculate_branch_prob): Update.
 841         (afdo_annotate_cfg): Update.
 842         * basic-block.h: Include profile-count.h
 843         (struct edge_def): Turn count to profile_count.
 844         (struct basic_block_def): Likewie.
 845         (REG_BR_PROB_BASE): Move to profile-count.h
 846         (RDIV): Move to profile-count.h
 847         * bb-reorder.c (max_entry_count): Turn to profile_count.
 848         (find_traces): Update.
 849         (rotate_loop):Update.
 850         (connect_traces):Update.
 851         (sanitize_hot_paths):Update.
 852         * bt-load.c (migrate_btr_defs): Update.
 853         * cfg.c (RDIV): Remove.
 854         (init_flow): Use alloc_block.
 855         (alloc_block): Uninitialize count.
 856         (unchecked_make_edge): Uninitialize count.
 857         (check_bb_profile): Update.
 858         (dump_edge_info): Update.
 859         (dump_bb_info): Update.
 860         (update_bb_profile_for_threading): Update.
 861         (scale_bbs_frequencies_int): Update.
 862         (scale_bbs_frequencies_gcov_type): Update.
 863         (scale_bbs_frequencies_profile_count): New.
 864         * cfg.h (update_bb_profile_for_threading): Update.
 865         (scale_bbs_frequencies_profile_count): Declare.
 866         * cfgbuild.c (compute_outgoing_frequencies): Update.
 867         (find_many_sub_basic_blocks): Update.
 868         * cfgcleanup.c (try_forward_edges): Update.
 869         (try_crossjump_to_edge): Update.
 870         * cfgexpand.c (expand_gimple_tailcall): Update.
 871         (construct_exit_block): Update.
 872         * cfghooks.c (verify_flow_info): Update.
 873         (dump_bb_for_graph): Update.
 874         (split_edge): Update.
 875         (make_forwarder_block): Update.
 876         (duplicate_block): Update.
 877         (account_profile_record): Update.
 878         * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
 879         (get_estimated_loop_iterations): Update.
 880         * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
 881         (single_likely_exit): Update.
 882         * cfgloopmanip.c (scale_loop_profile): Update.
 883         (loopify): Update.
 884         (set_zero_probability): Update.
 885         (lv_adjust_loop_entry_edge): Update.
 886         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
 887         (purge_dead_edges): Update.
 888         (rtl_account_profile_record): Update.
 889         * cgraph.c (cgraph_node::create): Uninitialize count.
 890         (symbol_table::create_edge): Uninitialize count.
 891         (cgraph_update_edges_for_call_stmt_node): Update.
 892         (cgraph_edge::dump_edge_flags): Update.
 893         (cgraph_node::dump): Update.
 894         (cgraph_edge::maybe_hot_p): Update.
 895         * cgraph.h: Include profile-count.h
 896         (create_clone), create_edge, create_indirect_edge): Update.
 897         (cgraph_node): Turn count to profile_count.
 898         (cgraph_edge0: Likewise.
 899         (make_speculative, clone): Update.
 900         (create_edge): Update.
 901         (init_lowered_empty_function): Update.
 902         * cgraphclones.c (cgraph_edge::clone): Update.
 903         (duplicate_thunk_for_node): Update.
 904         (cgraph_node::create_clone): Update.
 905         * cgraphunit.c (cgraph_node::analyze): Update.
 906         (cgraph_node::expand_thunk): Update.
 907         * final.c (dump_basic_block_info): Update.
 908         * gimple-streamer-in.c (input_bb): Update.
 909         * gimple-streamer-out.c (output_bb): Update.
 910         * graphite.c (print_global_statistics): Update.
 911         (print_graphite_scop_statistics): Update.
 912         * hsa-brig.c: Include basic-block.h.
 913         * hsa-dump.c: Include basic-block.h.
 914         * hsa-gen.c (T sum_slice): Update.
 915         (convert_switch_statements):Update.
 916         * hsa-regalloc.c: Include basic-block.h.
 917         * ipa-chkp.c (chkp_produce_thunks): Update.
 918         * ipa-cp.c (struct caller_statistics): Update.
 919         (init_caller_stats): Update.
 920         (gather_caller_stats): Update.
 921         (ipcp_cloning_candidate_p): Update.
 922         (good_cloning_opportunity_p): Update.
 923         (get_info_about_necessary_edges): Update.
 924         (dump_profile_updates): Update.
 925         (update_profiling_info): Update.
 926         (update_specialized_profile): Update.
 927         (perhaps_add_new_callers): Update.
 928         (decide_about_value): Update.
 929         (ipa_cp_c_finalize): Update.
 930         * ipa-devirt.c (struct odr_type_warn_count): Update.
 931         (struct decl_warn_count): Update.
 932         (struct final_warning_record): Update.
 933         (possible_polymorphic_call_targets): Update.
 934         (ipa_devirt): Update.
 935         * ipa-fnsummary.c (redirect_to_unreachable): Update.
 936         * ipa-icf.c (sem_function::merge): Update.
 937         * ipa-inline-analysis.c (do_estimate_edge_time): Update.
 938         * ipa-inline.c (compute_uninlined_call_time): Update.
 939         (compute_inlined_call_time): Update.
 940         (want_inline_small_function_p): Update.
 941         (want_inline_self_recursive_call_p): Update.
 942         (edge_badness): Update.
 943         (lookup_recursive_calls): Update.
 944         (recursive_inlining): Update.
 945         (inline_small_functions): Update.
 946         (dump_overall_stats): Update.
 947         (dump_inline_stats): Update.
 948         * ipa-profile.c (ipa_profile_generate_summary): Update.
 949         (ipa_propagate_frequency): Update.
 950         (ipa_profile): Update.
 951         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
 952         * ipa-utils.c (ipa_merge_profiles): Update.
 953         * loop-doloop.c (doloop_modify): Update.
 954         * loop-unroll.c (report_unroll): Update.
 955         (unroll_loop_runtime_iterations): Update.
 956         * lto-cgraph.c (lto_output_edge): Update.
 957         (lto_output_node): Update.
 958         (input_node): Update.
 959         (input_edge): Update.
 960         (merge_profile_summaries): Update.
 961         * lto-streamer-in.c (input_cfg): Update.
 962         * lto-streamer-out.c (output_cfg): Update.
 963         * mcf.c (create_fixup_graph): Update.
 964         (adjust_cfg_counts): Update.
 965         (sum_edge_counts): Update.
 966         * modulo-sched.c (sms_schedule): Update.
 967         * postreload-gcse.c (eliminate_partially_redundant_load): Update.
 968         * predict.c (maybe_hot_count_p): Update.
 969         (probably_never_executed): Update.
 970         (dump_prediction): Update.
 971         (combine_predictions_for_bb): Update.
 972         (propagate_freq): Update.
 973         (handle_missing_profiles): Update.
 974         (counts_to_freqs): Update.
 975         (rebuild_frequencies): Update.
 976         (force_edge_cold): Update.
 977         * predict.h: Include profile-count.h
 978         (maybe_hot_count_p, counts_to_freqs): UPdate.
 979         * print-rtl-function.c: Do not include cfg.h
 980         * print-rtl.c: Include basic-block.h
 981         * profile-count.c: New file.
 982         * profile-count.h: New file.
 983         * profile.c (is_edge_inconsistent): Update.
 984         (correct_negative_edge_counts): Update.
 985         (is_inconsistent): Update.
 986         (set_bb_counts): Update.
 987         (read_profile_edge_counts): Update.
 988         (compute_frequency_overlap): Update.
 989         (compute_branch_probabilities): Update; Initialize and deinitialize
 990         gcov_count tables.
 991         (branch_prob): Update.
 992         * profile.h (bb_gcov_counts, edge_gcov_counts): New.
 993         (edge_gcov_count): New.
 994         (bb_gcov_count): New.
 995         * shrink-wrap.c (try_shrink_wrapping): Update.
 996         * tracer.c (better_p): Update.
 997         * trans-mem.c (expand_transaction): Update.
 998         (ipa_tm_insert_irr_call): Update.
 999         (ipa_tm_insert_gettmclone_call): Update.
1000         * tree-call-cdce.c: Update.
1001         * tree-cfg.c (gimple_duplicate_sese_region): Update.
1002         (gimple_duplicate_sese_tail): Update.
1003         (gimple_account_profile_record): Update.
1004         (execute_fixup_cfg): Update.
1005         * tree-inline.c (copy_bb): Update.
1006         (copy_edges_for_bb): Update.
1007         (initialize_cfun): Update.
1008         (freqs_to_counts): Update.
1009         (copy_cfg_body): Update.
1010         (expand_call_inline): Update.
1011         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
1012         * tree-ssa-loop-ivcanon.c (unloop_loops): Update.
1013         (try_unroll_loop_completely): Update.
1014         (try_peel_loop): Update.
1015         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
1016         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Update.
1017         * tree-ssa-loop-split.c (connect_loops): Update.
1018         * tree-ssa-loop-unswitch.c (hoist_guard): Update.
1019         * tree-ssa-reassoc.c (branch_fixup): Update.
1020         * tree-ssa-tail-merge.c (replace_block_by): Update.
1021         * tree-ssa-threadupdate.c (create_block_for_threading): Update.
1022         (compute_path_counts): Update.
1023         (update_profile): Update.
1024         (recompute_probabilities): Update.
1025         (update_joiner_offpath_counts): Update.
1026         (estimated_freqs_path): Update.
1027         (freqs_to_counts_path): Update.
1028         (clear_counts_path): Update.
1029         (ssa_fix_duplicate_block_edges): Update.
1030         (duplicate_thread_path): Update.
1031         * tree-switch-conversion.c (case_bit_test_cmp): Update.
1032         (struct switch_conv_info): Update.
1033         * tree-tailcall.c (decrease_profile): Update.
1034         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
1035         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
1036         * value-prof.c (check_counter): Update.
1037         (gimple_divmod_fixed_value): Update.
1038         (gimple_mod_pow2): Update.
1039         (gimple_mod_subtract): Update.
1040         (gimple_ic_transform): Update.
1041         (gimple_stringop_fixed_value): Update.
1042         * value-prof.h (gimple_ic): Update.
1043
1044 2017-06-02  Carl Love  <cel@us.ibm.com>
1045
1046         * config/rs6000/rs6000-c: Add support for built-in functions
1047         vector double vec_doublee (vector signed int);
1048         vector double vec_doublee (vector unsigned int);
1049         vector double vec_doublee (vector float);
1050         vector double vec_doubleh (vector signed int);
1051         vector double vec_doubleh (vector unsigned int);
1052         vector double vec_doubleh (vector float);
1053         vector double vec_doublel (vector signed int);
1054         vector double vec_doublel (vector unsigned int);
1055         vector double vec_doublel (vector float);
1056         vector double vec_doubleo (vector signed int);
1057         vector double vec_doubleo (vector unsigned int);
1058         vector double vec_doubleo (vector float);.
1059         * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
1060         DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
1061         UNS_DOUBLEL.
1062         * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
1063         unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
1064         unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
1065         VS_sxwsp.
1066         * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
1067         vec_doublel, vec_doubleh.
1068         * doc/extend.texi: Update the built-in documentation file for the
1069         new built-in functions.
1070
1071 2017-06-02  David Malcolm  <dmalcolm@redhat.com>
1072
1073         PR jit/80954
1074         * ipa-inline-analysis.c (free_growth_caches): Set
1075         edge_removal_hook_holder to NULL after removing it.
1076
1077 2017-06-02  Sudakshina Das  <sudi.das@arm.com>
1078
1079         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_SWP for
1080         comparision with zero.
1081
1082 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
1083         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
1084         for early expansion of vec_min and vec_max builtins.
1085         (builtin_function_type): Add min/max unsigned variants to those
1086         identified as having unsigned arguments.
1087
1088 2017-06-02  Olivier Hainque  <hainque@adacore.com>
1089
1090         * config/vx-common.h (DWARF_UNWIND_INFO): Switch #define to 1.
1091
1092 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1093
1094         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
1095         Use VALL_F16 iterator rather than VALL.
1096
1097 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1098
1099         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
1100         Emit CBNZ inside loop when doing a strong exchange and comparing
1101         against zero.  Generate the CC flags after the loop.
1102
1103 2017-06-02  David Edelsohn  <dje.gcc@gmail.com>
1104
1105         * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
1106         (dl_section_ref): New.
1107         (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
1108         On AIX, append an expression to subtract the size of the
1109         section length to dl_section_ref.
1110
1111 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
1112
1113         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
1114         for early expansion of vector absolute builtins.
1115
1116 2017-06-02  Richard Biener  <rguenther@suse.de>
1117
1118         * tree-vect-slp.c (vect_detect_hybrid_slp_2): Match up
1119         what we consider a relevant use stmt with vect_detect_hybrid_slp_stmts.
1120
1121 2017-06-02  Richard Biener  <rguenther@suse.de>
1122
1123         PR tree-optimization/80948
1124         * tree-tailcall.c (find_tail_calls): Track stmts to move in
1125         stmt order as well.
1126
1127 2017-06-02  Richard Biener  <rguenther@suse.de>
1128
1129         * tree-vect-loop.c (vect_analyze_loop_operations): Not relevant
1130         PHIs are ok.
1131         * tree-vect-stmts.c (process_use): Do not mark backedge defs
1132         for inductions as relevant.
1133
1134 2017-06-02  Richard Biener  <rguenther@suse.de>
1135
1136         * tree-vect-loop.c (get_initial_def_for_induction): Inline into ...
1137         (vectorizable_induction): ... this.  Remove dead code.
1138
1139 2017-06-02  Eric Botcazou  <ebotcazou@adacore.com>
1140
1141         * builtins. (expand_builtin_alloca): Remove second parameter and
1142         infer its value from the first parameter instead.
1143         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust call to above.
1144
1145 2017-06-02  Jakub Jelinek  <jakub@redhat.com>
1146
1147         PR rtl-optimization/80903
1148         * loop-doloop.c (add_test): Unshare sequence.
1149
1150 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1151
1152         * doc/invoke.texi: Document the -Wsizeof-pointer-div warning.
1153
1154 2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1155
1156         * config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers): Make
1157         static.
1158         (xlogue_layout::get_stack_space_used, xlogue_layout::s_instances,
1159         xlogue_layout::get_instance, logue_layout::xlogue_layout,
1160         sp_valid_at, fp_valid_at, choose_basereg): Formatting.
1161         (xlogue_layout::get_stub_rtx): Make static.
1162         (xlogue_layout::get_stub_name): Avoid const-cast, make static.
1163         (xlogue_layout::compute_stub_managed_regs): Rename to...
1164         (xlogue_layout::count_stub_managed_regs): ...this.
1165         (xlogue_layout::is_stub_managed_reg): New function.
1166         (xlogue_layout::m_stub_names): Rename to...
1167         (xlogue_layout::s_stub_names): ...this, make static.
1168         (xlogue_layout::STUB_INDEX_OFFSET, xlogue_layout::MIN_REGS,
1169         xlogue_layout::MAX_REGS, xlogue_layout::MAX_EXTRA_REGS,
1170         xlogue_layout::VARIANT_COUNT, xlogue_layout::STUB_NAME_MAX_LEN,
1171         xlogue_layout::s_stub_names): Instantiate statics.
1172         (stub_managed_regs): Remove.
1173         (ix86_save_reg): Use xlogue_layout::compute_stub_managed_regs.
1174         (disable_call_ms2sysv_xlogues): Rename to...
1175         (warn_once_call_ms2sysv_xlogues): ...this, and warn only once.
1176         (ix86_initial_elimination_offset, ix86_expand_call): Fix call_ms2sysv
1177         warning logic.
1178         (ix86_static_chain): Make sure that ix86_static_chain_on_stack can't
1179         change after reload_completed.
1180         (ix86_can_use_return_insn_p): Use the ix86_frame data structure
1181         directly.
1182         (ix86_expand_prologue): Likewise.
1183         (ix86_expand_epilogue): Likewise.
1184         (ix86_expand_split_stack_prologue): Likewise.
1185         (ix86_compute_frame_layout): Remove frame parameter ...
1186         (TARGET_COMPUTE_FRAME_LAYOUT): ... and export it as a target hook.
1187         (ix86_finalize_stack_realign_flags): Call ix86_compute_frame_layout
1188         only if necessary.
1189         (ix86_init_machine_status): Don't set use_fast_prologue_epilogue_nregs.
1190         (ix86_frame): Move from here ...
1191         * config/i386/i386.h (ix86_frame): ... to here.
1192         (machine_function): Remove use_fast_prologue_epilogue_nregs, cache the
1193         complete ix86_frame data structure instead.  Remove some_ld_name.
1194
1195 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
1196
1197         * dwarf2out.c (dwarf2out_late_global_decl): Add locations for
1198         symbols that hold a DECL_VALUE_EXPR.
1199
1200 2017-06-01  Martin Jambor  <mjambor@suse.cz>
1201
1202         PR tree-optimization/80898
1203         * tree-sra.c (process_subtree_disqualification): Removed.
1204         (disqualify_candidate): Do not acll
1205         process_subtree_disqualification.
1206         (subtree_mark_written_and_enqueue): New function.
1207         (propagate_all_subaccesses): Set grp_write of LHS subtree if the
1208         RHS has been disqualified and re-queue LHS if necessary.  Apart
1209         from that, ignore disqualified RHS.
1210
1211 2017-06-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1212
1213         * config/s390/s390.c (s390_emit_epilogue): Disable early return
1214         address fetch for z10 or later.
1215
1216 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1217
1218         * config/arc/arc.md (tst_movb): Add guard when splitting.
1219
1220 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1221
1222         * config/arc/arc.c (arc_can_eliminate): Test against
1223         arc_frame_pointer_needed.
1224
1225 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1226
1227         * config/arc/arc.c (arc_expand_prologue): Emit a special barrier
1228         to prevent store reordering.
1229         * config/arc/arc.md (UNSPEC_ARC_STKTIE): Define.
1230         (type): Add block type.
1231         (stack_tie): Define special instruction to be used in
1232         expand_prologue.
1233
1234 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1235
1236         * config/arc/arc.md (commutative_binary_comparison): Remove 'I'
1237         constraint. It is not valid for the pattern.
1238         (noncommutative_binary_comparison): Likewise.
1239
1240 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1241
1242         * config/arc/simdext.md (movv2hi_insn): Change predicate to avoid
1243         scaled addresses.
1244
1245 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1246
1247         * config/arc/arc.c (arc_conditional_register_usage): Allow r30 to
1248         be used by the reg-alloc.
1249
1250 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1251
1252         * config/arc/arc.md (mulsi3): Avoid use of hard registers before
1253         reg-alloc when having mul64 or mul32x16 instructions.
1254         (mulsidi3): Likewise.
1255         (umulsidi3): Likewise.
1256         (mulsi32x16): New pattern.
1257         (mulsi64): Likewise.
1258         (mulsidi64): Likewise.
1259         (umulsidi64): Likewise.
1260         (MUL32x16_REG): Define.
1261         (mul64_600): Use MUL32x16_REG.
1262         (mac64_600): Likewise.
1263         (umul64_600): Likewise.
1264         (umac64_600): Likewise.
1265
1266 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1267
1268         * config/arc/arc.md (mulsi3_700): Make it commutative.
1269
1270 2017-06-01  Jose E. Marchesi  <jose.marchesi@oracle.com>
1271
1272         * config/sparc/sparc.md (*zero_extendsidi2_insn_sp64): Set insn
1273         type for movstouw.
1274         (*sign_extendsidi2_insn): Likewise for movstosw.
1275
1276 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
1277
1278         * dwarf2out.c (get_discr_value): Call the get_debug_type hook on
1279         the type of the input discriminant value.  Convert the
1280         discriminant value of signedness vary.
1281
1282 2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>
1283
1284         * doc/invoke.texi (-Wcatch-value): Document new shortcut.
1285         Add to -Wall section.
1286
1287 2017-06-01  Richard Biener  <rguenther@suse.de>
1288
1289         PR middle-end/66313
1290         * fold-const.c (fold_plusminus_mult_expr): If the factored
1291         factor may be zero use a wrapping type for the inner operation.
1292         * tree-tailcall.c (independent_of_stmt_p): Pass in to_move bitmap
1293         and handle moved defs.
1294         (process_assignment): Properly guard the unary op case.  Return a
1295         tri-state indicating that moving the stmt before the call may allow
1296         to continue.  Pass through to_move.
1297         (find_tail_calls): Handle moving unrelated defs before
1298         the call.
1299
1300 2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
1301
1302         PR target/80618
1303         * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
1304         splitter result in the canonical way.
1305
1306 2017-05-31  Uros Bizjak  <ubizjak@gmail.com>
1307
1308         * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
1309         also for 32bit target.  Update insn attributes.
1310         (zero-extendsidi2 splitter): Allow all registers for operand 1.
1311
1312 2017-05-31  Sebastian Peryt  <sebastian.peryt@intel.com>
1313
1314         * config/i386/avx512fintrin.h (_mm_mask_max_sd)
1315         (_mm_maskz_max_sd, _mm_mask_max_ss, _mm_maskz_max_ss)
1316         (_mm_mask_min_sd, _mm_maskz_min_sd, _mm_mask_min_ss)
1317         (_mm_maskz_min_ss): New intrinsics.
1318
1319 2017-05-31  Martin Liska  <mliska@suse.cz>
1320
1321         * tree-vect-loop.c (vect_create_epilog_for_reduction):
1322         Change comment style to one we normally use.
1323         (vectorizable_reduction): Likewise.
1324         (vectorizable_induction): Likewise.
1325         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
1326         (vectorizable_call): Likewise.
1327         (vectorizable_simd_clone_call): Likewise.
1328         (vectorizable_conversion): Likewise.
1329         (vectorizable_assignment): Likewise.
1330         (vectorizable_shift): Likewise.
1331         (vectorizable_operation): Likewise.
1332         (vectorizable_store): Likewise.
1333         (vectorizable_load): Likewise.
1334         * tree-vectorizer.h: Likewise.
1335
1336 2017-05-31  Alexander Monakov  <amonakov@ispras.ru>
1337
1338         * passes.c (emergency_dump_function): New.
1339         * tree-pass.h (emergency_dump_function): Declare.
1340         * plugin.c (plugins_internal_error_function): Remove.
1341         * plugin.h (plugins_internal_error_function): Remove declaration.
1342         * toplev.c (internal_error_function): New static function.  Use it...
1343         (general_init): ...here.
1344
1345 2017-05-31  Graham Markall  <graham.markall@embecosm.com>
1346
1347         * config/arc/arc.c (arc_print_operand): Handle constant operands.
1348         (arc_rtx_costs): Add costs for new patterns.
1349         * config/arc/arc.md: Additional *add_n and *sub_n patterns.
1350         * config/arc/predicates.md: Add _1_2_3_operand predicate.
1351
1352 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
1353
1354         * tree-ssa-strlen.c (get_next_strinfo): New function.
1355         (get_stridx_plus_constant): Use it.
1356         (zero_length_string): Likewise.
1357         (adjust_related_strinfos): Likewise.
1358         (adjust_last_stmt): Likewise.
1359
1360 2017-05-31  Richard Biener  <rguenther@suse.de>
1361
1362         PR target/80880
1363         * config/i386/i386.c (ix86_expand_builtin): Remove assert
1364         for arg being an SSA name when expanding IX86_BUILTIN_BNDRET.
1365
1366 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
1367
1368         * tree-vect-data-refs.c (vect_find_same_alignment_drs): Remove
1369         loop_vinfo argument and use of dependence distance vectors.
1370         Check instead whether the two references differ only in their
1371         initial value and assume that they have the same alignment if the
1372         difference is a multiple of the vector alignment.
1373         (vect_analyze_data_refs_alignment): Update call accordingly.
1374
1375 2017-05-31  Martin Liska  <mliska@suse.cz>
1376
1377         PR target/79155
1378         * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.
1379
1380 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
1381
1382         * tree-vect-loop-manip.c (create_intersect_range_checks_index)
1383         (create_intersect_range_checks): Move from ...
1384         * tree-data-ref.c (create_intersect_range_checks_index)
1385         (create_intersect_range_checks): ... to here.
1386         (create_runtime_alias_checks): New function factored from ...
1387         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
1388         here.  Call above function.
1389         * tree-data-ref.h (create_runtime_alias_checks): New function.
1390
1391 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
1392
1393         * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
1394         segment length for dr_b and compute it in wide_int.
1395
1396 2017-05-31  Richard Biener  <rguenther@suse.de>
1397
1398         PR tree-optimization/80906
1399         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
1400         and pass through iv_map.
1401         (copy_bb_and_scalar_dependences): Adjust.
1402         (translate_pending_phi_nodes): Likewise.
1403         (copy_loop_close_phi_args): Handle code-generating IVs instead
1404         of ICEing.
1405
1406 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
1407
1408         * diagnostic-color.c (color_dict): Add "type-diff".
1409         (parse_gcc_colors): Update comment.
1410         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
1411         -fdiagnostics-show-template-tree and -fno-elide-type.
1412         (GCC_COLORS): Add type-diff to example.
1413         (type-diff=): New.
1414         (-fdiagnostics-show-template-tree): New.
1415         (-fno-elide-type): New.
1416         * pretty-print.c (pp_format): Pass quote and formatters[argno] to
1417         the pp_format_decoder callback.  Call any m_format_postprocessor's
1418         "handle" method.
1419         (pretty_printer::pretty_printer): Initialize
1420         m_format_postprocessor.
1421         (pretty_printer::~pretty_printer): Delete any
1422         m_format_postprocessor.
1423         * pretty-print.h (printer_fn): Add bool and const char ** parameters.
1424         (class format_postprocessor): New class.
1425         (struct pretty_printer::format_decoder): Document the new parameters.
1426         (struct pretty_printer::m_format_postprocessor): New field.
1427         * tree-diagnostic.c (default_tree_printer): Update for new
1428         bool and const char ** params.
1429         * tree-diagnostic.h (default_tree_printer): Likewise.
1430
1431 2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>
1432
1433         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
1434         (lwa_operand): Delete rs6000_gen_cell_microcode test.
1435         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
1436         rs6000_gen_cell_microcode code.
1437         (rs6000_final_prescan_insn): Delete.
1438         (rs6000_opt_vars): Delete the "gen-cell-microcode" and
1439         "warn-cell-microcode" entries.
1440         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
1441         * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
1442         throughout.  Change cc_reg_not_micro_cr0_operand to
1443         cc_reg_not_cr0_operand throughout.
1444         (*extendhi<mode>2_noload): Delete.
1445         * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
1446         (mwarn-cell-microcode): Delete.
1447         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
1448         -mgen-cell-microcode and -mwarn-cell-microcode.
1449
1450 2017-05-30  Uros Bizjak  <ubizjak@gmail.com>
1451
1452         PR target/80833
1453         * config/i386/constraints.md (Yd): New constraint.
1454         (Ye): Ditto.
1455         * config/i386/i386.md (*movti_internal): Add (?r, Ye)
1456         and (?Yd, r) alternatives.  Update insn attributes.
1457         * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
1458         and (?*Yd, r) alternatives.  Update insn attributes.
1459         (double-mode inter-unit splitters): Add new GR<->XMM splitters.
1460
1461 2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>
1462
1463         * gimplify.c (gimplify_modify_expr): Don't create a
1464         DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
1465         function.
1466
1467 2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
1468
1469         * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.
1470
1471 2017-05-30  Richard Biener  <rguenther@suse.de>
1472
1473         * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
1474         and reduc_def fields.
1475         (STMT_VINFO_REDUC_TYPE): New define.
1476         (STMT_VINFO_REDUC_DEF): Likewise.
1477         (vect_force_simple_reduction): Adjust prototype.
1478         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
1479         (vect_is_simple_reduction): Remove check_reduction argument.
1480         (vect_force_simple_reduction): Adjust and set
1481         STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
1482         (vectorizable_reduction): Do not re-do reduction analysis
1483         but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
1484         * tree-parloops.c (gather_scalar_reductions): Adjust.
1485
1486 2017-05-30  Richard Biener  <rguenther@suse.de>
1487
1488         PR middle-end/80901
1489         * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
1490         split_edge code.
1491
1492 2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1493
1494         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
1495         Introduce unknown_misalignment parameter and remove vf.
1496         (vect_peeling_hash_get_lowest_cost):
1497         Pass unknown_misalignment parameter.
1498         (vect_enhance_data_refs_alignment):
1499         Fix unsupportable data ref treatment.
1500
1501 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1502
1503         * tree-vect-data-refs.c (vect_get_data_access_cost):
1504         Workaround for SLP handling.
1505         (vect_enhance_data_refs_alignment):
1506         Compute costs for doing no peeling at all, compare to the best
1507         peeling costs so far and avoid peeling if cheaper.
1508
1509 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1510
1511         * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
1512         Return peeling info and set costs to zero for unlimited cost
1513         model.
1514         (vect_enhance_data_refs_alignment): Also inspect all datarefs
1515         with unknown misalignment. Compute and costs for unknown
1516         misalignment, compare them to the costs for known misalignment
1517         and choose the cheapest for peeling.
1518
1519 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1520
1521         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
1522         (vect_get_peeling_costs_all_drs): Create function.
1523         (vect_peeling_hash_get_lowest_cost):
1524         Use vect_get_peeling_costs_all_drs.
1525         (vect_peeling_supportable): Create function.
1526         (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.
1527
1528 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1529
1530         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
1531         DR_HAS_NEGATIVE_STEP.
1532         (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
1533         (vect_enhance_data_refs_alignment): Use.
1534         (vect_duplicate_ssa_name_ptr_info): Use.
1535         * tree-vectorizer.h (dr_misalignment): Use.
1536         (known_alignment_for_access_p): Use.
1537
1538 2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
1539
1540         PR target/78838
1541         * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
1542         .lowtext.
1543         (has_section_name): New function.
1544
1545 2017-05-30  Martin Liska  <mliska@suse.cz>
1546
1547         PR other/80909
1548         * auto-profile.c (get_function_decl_from_block): Fix
1549         parenthesis.
1550
1551 2017-05-30  Richard Biener  <rguenther@suse.de>
1552
1553         PR middle-end/80876
1554         * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.
1555
1556 2017-05-30  Martin Liska  <mliska@suse.cz>
1557
1558         * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
1559         * dumpfile.h (struct dump_file_info): Remove ctors.
1560
1561 2017-05-30  Martin Liska  <mliska@suse.cz>
1562
1563         * predict.def: Fix GNU coding style.
1564
1565 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
1566
1567         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
1568         Mark 'to' argument with ATTRIBUTE_UNUSED.
1569
1570 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
1571
1572         * config/xtensa/xtensa.c (xtensa_emit_call): Use
1573         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
1574         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
1575         format string.
1576
1577 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
1578
1579         * doc/install.texi (Options specification): Restore entry of
1580         --enable-sjlj-exceptions.
1581
1582 2017-05-27  Michael Eager  <eager@eagercon.com>
1583
1584         Revert:
1585         2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
1586
1587         See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
1588
1589         * config/microblaze/microblaze.h
1590         (FIXED_REGISTERS): Update in macro.
1591         (CALL_USED_REGISTERS): Update in macro.
1592
1593 2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>
1594
1595         * doc/install.texi: Add links to macOS binary distributions.
1596
1597 2017-05-27  Jakub Jelinek  <jakub@redhat.com>
1598
1599         PR bootstrap/80887
1600         Revert:
1601         2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
1602
1603         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
1604
1605 2017-05-26  Martin Liska  <mliska@suse.cz>
1606
1607         * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.
1608
1609 2017-05-26  Martin Liska  <mliska@suse.cz>
1610
1611         * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
1612         always leading ';; '.
1613         (dump_bb_info): Likewise.
1614         (brief_dump_cfg): Likewise.
1615         * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
1616         * dumpfile.c: Remove usage of TDF_VERBOSE.
1617         * dumpfile.h (enum dump_kind): Likewise.
1618         (dump_gimple_bb_header): Do not use TDF_COMMENT.
1619         * print-tree.c (debug_verbose): Remove.
1620         * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
1621         (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
1622         * tree-diagnostic.c (default_tree_printer): Replace
1623         TDF_DIAGNOSTIC with TDF_SLIM.
1624
1625 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
1626
1627         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
1628         in parameter loop, rather than loop_vinfo.
1629         (create_intersect_range_checks): Ditto.
1630         (vect_create_cond_for_alias_checks): Update call to above functions.
1631
1632 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
1633
1634         PR tree-optimization/80815
1635         * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
1636         for merging runtime alias checks.  Handle negative DR_STEPs.
1637
1638 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
1639
1640         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
1641         Move from ...
1642         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
1643         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
1644         out code pruning runtime alias checks.
1645         * tree-data-ref.c (prune_runtime_alias_test_list): New function
1646         factored out from above.
1647         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
1648         Move from ...
1649         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
1650         ... to here.
1651         (prune_runtime_alias_test_list): New decalaration.
1652
1653 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
1654
1655         * tree-vect-data-refs.c (compare_tree): Rename and move ...
1656         * tree-data-ref.c (data_ref_compare_tree): ... to here.
1657         * tree-data-ref.h (data_ref_compare_tree): New decalaration.
1658         * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
1659         (operator==, comp_dr_with_seg_len_pair): Ditto.
1660         (vect_prune_runtime_alias_test_list): Ditto.
1661
1662 2017-05-26  Martin Liska  <mliska@suse.cz>
1663
1664         PR ipa/80663
1665         * params.def: Bound partial-inlining-entry-probability param.
1666
1667 2017-05-26  Marek Polacek  <polacek@redhat.com>
1668
1669         PR sanitizer/80875
1670         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
1671         can be negated.
1672
1673 2017-05-26  Richard Biener  <rguenther@suse.de>
1674
1675         PR tree-optimization/80842
1676         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
1677         value.
1678
1679 2017-05-26  Richard Biener  <rguenther@suse.de>
1680
1681         PR tree-optimization/80844
1682         * tree-vectorizer.c (adjust_simduid_builtins): Propagate results.
1683
1684 2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>
1685
1686         * doc/md.texi (Machine Constraints): Update x86 family
1687         machine constraints section to match 'config/i386/constraints.md'.
1688
1689 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
1690
1691         * doc/invoke.texi (-Wcatch-value=): Document new warning option.
1692
1693 2017-05-25  Nathan Sidwell  <nathan@acm.org>
1694
1695         * doc/invoke.texi (--enable-languages): Update documentation.
1696
1697 2017-05-25  Martin Liska  <mliska@suse.cz>
1698
1699         * dumpfile.c: Add TDF_FOLDING.
1700         * dumpfile.h (enum dump_kind): Likewise.
1701         * genmatch.c (dt_simplify::gen_1): Use it.
1702
1703 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
1704
1705         * match.pd (view_convert (convert@0 @1)): Handle zero-extension.
1706
1707 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
1708
1709         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
1710         * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.
1711
1712 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
1713
1714         * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
1715         * match.pd (X == C): Rewrite it here.
1716         (with_possible_nonzero_bits, with_possible_nonzero_bits2,
1717         with_certain_nonzero_bits2): New predicates.
1718         * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.
1719
1720 2017-05-24  Nathan Sidwell  <nathan@acm.org>
1721
1722         * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
1723         avoid warning.
1724
1725         * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
1726         warning.
1727
1728 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
1729
1730         * config/powerpcspe: New port.  Files are copied from the rs6000
1731         port, with "rs6000" in filenames replaced by "powerpcspe".
1732
1733 2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
1734
1735         PR rtl-optimization/80754
1736         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
1737
1738 2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
1739
1740         * config/sparc/sparc.md (length): Return the correct value for -mflat
1741         sibcalls to match output_sibcall.
1742
1743 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
1744
1745         PR bootstrap/80860
1746         PR bootstrap/80843
1747         * config/rs6000/rs6000.c (struct machine_function): Add new field
1748         n_components.
1749         (rs6000_get_separate_components): Init that field, use it.
1750         (rs6000_components_for_bb): Use the field.
1751
1752 2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1753
1754         * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.
1755
1756 2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>
1757
1758         PR middle-end/80823
1759         * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
1760
1761 2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1762
1763         PR target/80725
1764         * config/s390/s390.c (s390_check_qrst_address): Check incoming
1765         address against address_operand predicate.
1766         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
1767
1768 2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>
1769
1770         * var-tracking.c (track_expr_p): Do not return 0 for tracked record
1771         parameters passed indirectly.
1772
1773 2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
1774
1775         * config/i386/i386.md (*movdi_internal): Remove SSE4
1776         alternative 18 (?r, *v).  Update insn attributes.
1777         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
1778         Update insn attributes.
1779         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
1780         Update insn attributes.
1781         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
1782         alternative 1 (r, v). Remove isa attribute.
1783         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
1784         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
1785         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
1786
1787 2017-05-23  Tom de Vries  <tom@codesourcery.com>
1788
1789         * doc/sourcebuild.texi (Directives, Verify compiler message): Document
1790         dg-line directive.
1791
1792 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
1793
1794         * cgraphunit.c (symbol_table::process_new_functions): Update.
1795         * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
1796         (inline_generate_summary): Rename to ...
1797         (ipa_fn_summary_generate): ... this one.
1798         (inline_read_summary): Rename to ...
1799         (ipa_fn_summary_read): ... this one.
1800         (inline_write_summary): Rename to ...
1801         (ipa_fn_summary_write): ... this one.
1802         (inline_free_summary): Rename to ...
1803         (ipa_free_fn_summary): ... this one.
1804         (pass_data_local_fn_summary, pass_local_fn_summary,
1805         make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
1806         pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
1807         pass_data_ipa_fn_summary, pass_ipa_fn_summary,
1808         make_pass_ipa_fn_summary): New.
1809         * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
1810         inline_write_summary, inline_free_summary): Remove.
1811         (ipa_free_fn_summary) : New.
1812         * ipa-inline.c (ipa_inline): Update.
1813         (pass_ipa_inline): Do not generate summaries.
1814         * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
1815         Remove.
1816         * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
1817         and add pass_ipa_fn_summary.
1818         * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
1819         New.
1820         (make_pass_inline_parameters): Remove.
1821
1822 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
1823
1824         * omp-low.c (struct omp_context): Remove "default_kind" member.
1825         Adjust all users.
1826
1827         * omp-offload.c (execute_oacc_device_lower): Remove the
1828         parallelism dimensions function attributes for unparallelized
1829         OpenACC kernels constructs.
1830
1831 2017-05-23  Martin Liska  <mliska@suse.cz>
1832
1833         * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
1834         functions.
1835         (cgraph_edge::make_speculative): Likewise.
1836         (cgraph_edge::resolve_speculation): Likewise.
1837         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
1838         (cgraph_node::dump): Likewise.
1839         * cgraph.h: Likewise.
1840         * cgraphunit.c (analyze_functions): Likewise.
1841         (symbol_table::compile): Likewise.
1842         * ipa-cp.c (print_all_lattices): Likewise.
1843         (determine_versionability): Likewise.
1844         (initialize_node_lattices): Likewise.
1845         (ipcp_verify_propagated_values): Likewise.
1846         (estimate_local_effects): Likewise.
1847         (update_profiling_info): Likewise.
1848         (create_specialized_node): Likewise.
1849         (perhaps_add_new_callers): Likewise.
1850         (decide_about_value): Likewise.
1851         (decide_whether_version_node): Likewise.
1852         (identify_dead_nodes): Likewise.
1853         (ipcp_store_bits_results): Likewise.
1854         * ipa-devirt.c (dump_targets): Likewise.
1855         (ipa_devirt): Likewise.
1856         * ipa-icf.c (sem_item::dump): Likewise.
1857         (sem_function::equals): Likewise.
1858         (sem_variable::equals): Likewise.
1859         (sem_item_optimizer::read_section): Likewise.
1860         (sem_item_optimizer::execute): Likewise.
1861         (congruence_class::dump): Likewise.
1862         * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
1863         (dump_inline_summary): Likewise.
1864         (estimate_node_size_and_time): Likewise.
1865         (inline_analyze_function): Likewise.
1866         * ipa-inline-transform.c (inline_call): Likewise.
1867         * ipa-inline.c (report_inline_failed_reason): Likewise.
1868         (want_early_inline_function_p): Likewise.
1869         (edge_badness): Likewise.
1870         (update_edge_key): Likewise.
1871         (inline_small_functions): Likewise.
1872         * ipa-profile.c (ipa_profile): Likewise.
1873         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1874         (ipa_make_edge_direct_to_target): Likewise.
1875         (remove_described_reference): Likewise.
1876         (ipa_impossible_devirt_target): Likewise.
1877         (propagate_controlled_uses): Likewise.
1878         (ipa_print_node_params): Likewise.
1879         (ipcp_transform_function): Likewise.
1880         * ipa-pure-const.c (pure_const_read_summary): Likewise.
1881         (propagate_pure_const): Likewise.
1882         * ipa-reference.c (generate_summary): Likewise.
1883         (read_write_all_from_decl): Likewise.
1884         (propagate): Likewise.
1885         (ipa_reference_read_optimization_summary): Likewise.
1886         * ipa-utils.c (ipa_merge_profiles): Likewise.
1887         * ipa.c (walk_polymorphic_call_targets): Likewise.
1888         (symbol_table::remove_unreachable_nodes): Likewise.
1889         (ipa_single_use): Likewise.
1890         * passes.c (execute_todo): Likewise.
1891         * predict.c (drop_profile): Likewise.
1892         * symtab.c (symtab_node::get_dump_name): New function.
1893         (symtab_node::dump_name): Likewise.
1894         (symtab_node::dump_asm_name): Likewise.
1895         (symtab_node::dump_references): Likewise.
1896         (symtab_node::dump_referring): Likewise.
1897         (symtab_node::dump_base): Likewise.
1898         (symtab_node::debug_symtab): Likewise.
1899         * tree-sra.c (convert_callers_for_node): Likewise.
1900         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
1901         * value-prof.c (init_node_map): Likewise.
1902
1903 2017-05-23  Martin Liska  <mliska@suse.cz>
1904
1905         * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
1906         and symtab_node::debug_symtab to symbol_table::debug.
1907         * cgraphunit.c (analyze_functions): Use the renamed function.
1908         (symbol_table::compile): Likewise.
1909         * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
1910         * ipa-icf.c (sem_item_optimizer::execute): Likewise.
1911         * passes.c (execute_todo): Likewise.
1912         * symtab.c (symbol_table::dump): New function.
1913         * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.
1914
1915 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
1916
1917         * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
1918         that nonconst implies exec.
1919
1920 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
1921
1922         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
1923         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
1924         (inline_edge_summary_vec): Turn into ...
1925         (ipa_call_summaries): ... this one.
1926         (redirect_to_unreachable, edge_set_predicate,
1927         evaluate_properties_for_edge, inline_summary_alloc,
1928         reset_ipa_call_summary, reset_inline_summary,
1929         inline_summary_t::duplicate): Update.
1930         (inline_edge_duplication_hook): Turn to ...
1931         (ipa_call_summary_t::duplicate): ... this one.
1932         (inline_edge_removal_hook): Turn to ...
1933         (ipa_call_summary_t::remove): ... this one.
1934         (dump_inline_edge_summary): Turn to ...
1935         (dump_ipa_call_summary): ... this one.
1936         (estimate_function_body_sizes): Update.
1937         (inline_update_callee_summaries): Update.
1938         (remap_edge_change_prob): Update.
1939         (remap_edge_summaries): Update.
1940         (inline_merge_summary): Update.
1941         (do_estimate_edge_time): Update.
1942         (inline_generate_summary): Update.
1943         (inline_read_section): Update.
1944         (inline_read_summary): Update.
1945         (inline_free_summary): Update.
1946         * ipa-inline.c (can_inline_edge_p): Update.
1947         (compute_inlined_call_time): Update.
1948         (want_inline_small_function_p): Update.
1949         (edge_badness): Update.
1950         (early_inliner): Update.
1951         * ipa-inline.h (inline_edge_summary): Turn to ...
1952         (ipa_call_summary): ... this one.
1953         (ipa_call_summary_t): New class.
1954         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
1955         (ipa_call_summaries): New.
1956         (inline_edge_summary): Remove.
1957         (estimate_edge_growth): Update.
1958         * ipa-profile.c (ipa_propagate_frequency_1): Update.
1959         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
1960         * ipa-split.c (execute_split_functions): Update.
1961         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
1962
1963 2017-05-23  Tom de Vries  <tom@codesourcery.com>
1964
1965         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
1966         attributes): Document rdrand effective target.
1967
1968 2017-05-23  Tom de Vries  <tom@codesourcery.com>
1969
1970         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
1971         attributes): Sort alphabetically.
1972
1973 2017-05-23  Georg-Johann Lay  <avr@gjlay.de>
1974
1975         * config/avr/genmultilib.awk: Use gsub instead of gensub.
1976
1977 2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
1978
1979         PR target/80718
1980         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
1981         V2DF/V2DI splat into two separate patterns, one that handles
1982         registers, and the other that only handles memory.  Drop support
1983         for splatting from a GPR on ISA 2.07 and then splitting the
1984         splat into direct move and splat.
1985         (vsx_splat_<mode>_reg): Likewise.
1986         (vsx_splat_<mode>_mem): Likewise.
1987
1988 2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>
1989
1990         * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.
1991
1992 2017-05-22  Jakub Jelinek  <jakub@redhat.com>
1993
1994         PR middle-end/80809
1995         * omp-low.c (finish_taskreg_remap): New function.
1996         (finish_taskreg_scan): If unit size of ctx->record_type
1997         is non-constant, unshare the size expression and replace
1998         decls in it with possible outer var refs.
1999
2000         PR middle-end/80809
2001         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
2002         GOVD_SHARED rather than GOVD_PRIVATE with it.
2003         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
2004         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
2005
2006         PR middle-end/80853
2007         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
2008         as last argument to build_outer_var_ref for pointer bases of array
2009         section reductions.
2010
2011 2017-05-19  Martin Sebor  <msebor@redhat.com>
2012
2013         * print-tree.c (print_node): Print DECL_READ_P flag.
2014
2015 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
2016
2017         * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
2018         * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
2019         * cgraph.c: Likewise.
2020         * cgraphunit.c: Likewise.
2021         * gengtype.c: Likewise.
2022         * ipa-cp.c: Likewise.
2023         * ipa-devirt.c: Likewise.
2024         * ipa-icf.c: Likewise.
2025         * ipa-predicate.c: Likewise.
2026         * ipa-profile.c: Likewise.
2027         * ipa-prop.c: Likewise.
2028         * ipa-split.c: Likewise.
2029         * ipa.c: Likewise.
2030         * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
2031         edge_predicate_pool, dump_inline_hints,
2032         inline_summary::account_size_time, redirect_to_unreachable,
2033         edge_set_predicate, set_hint_predicate,
2034         evaluate_conditions_for_known_args, evaluate_properties_for_edge,
2035         inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
2036         inline_summary_t::remove, remap_hint_predicate_after_duplication,
2037         inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
2038         ipa_call_summary_t::remove, initialize_growth_caches,
2039         free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
2040         debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
2041         mark_modified, unmodified_parm_1, unmodified_parm,
2042         unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
2043         set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
2044         compute_bb_predicates, will_be_nonconstant_expr_predicate,
2045         will_be_nonconstant_predicate, record_modified_bb_info,
2046         get_minimal_bb, record_modified, param_change_prob,
2047         phi_result_unknown_predicate, predicate_for_phi_result,
2048         array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
2049         estimate_function_body_sizes, compute_inline_parameters,
2050         compute_inline_parameters_for_curren, pass_data_inline_parameters,
2051         estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
2052         inline_update_callee_summaries, remap_edge_change_prob,
2053         remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
2054         inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
2055         inline_analyze_function, inline_summary_t::insert,
2056         inline_generate_summary, read_ipa_call_summary, inline_read_section,
2057         inline_read_summary, write_ipa_call_summary, inline_write_summary,
2058         inline_free_summary): Move to ipa-fnsummary.h
2059         (predicate_t): Remove.
2060         * ipa-fnsummary.c: New file.
2061         * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
2062         (enum inline_hints_vals, inline_hints, agg_position_info,
2063         INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
2064         inline_summaries, ipa_call_summary, ipa_call_summary_t,
2065         ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
2066         dump_inline_summary, dump_inline_hints, inline_generate_summary,
2067         inline_read_summary, inline_write_summary, inline_free_summary,
2068         inline_analyze_function, initialize_inline_failed,
2069         inline_merge_summary, inline_update_overall_summary,
2070         compute_inline_parameters): Move to ipa-fnsummary.h
2071         * ipa-fnsummary.h: New file.
2072         * ipa-inline-transform.h: Include ipa-inline.h.
2073         * ipa-inline.c: LIkewise.
2074
2075 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
2076
2077         * ipa-inline.c (edge_badness): Use inlined_time instead of
2078         inline_summaries->get.
2079
2080 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
2081
2082         * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.
2083
2084 2017-05-22  Nathan Sidwell  <nathan@acm.org>
2085
2086         * doc/invoke.texi (fdump-translation-unit): Delete documentation.
2087         (fdump-lang): Document 'raw' option.
2088         * dumpfile.h (TDI_tu): Delete.
2089         * dumpfile.c (dump_files): Remove translation-unit.
2090         (FIRST_AUTO_NUMBERED_DUMP): Decrement.
2091
2092 2017-05-22  Georg-Johann Lay  <avr@gjlay.de>
2093
2094         * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
2095         command option from $(AWK) call.
2096         * config/avr/genmultilib.awk: Simplify and rewrite so that it
2097         generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
2098         [FORMAT]: Remove handling of variable.
2099         * config/avr/t-multilib: Regenerate.
2100
2101 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
2102
2103         * ipa-inline-analysis.c (inline_summary::reset): Do not reset
2104         self_time.
2105         (dump_inline_summary): Do not print self_time.
2106         (estimate_function_body_sizes): Do not set self_time.
2107         (compute_inline_parameters): Likewise.
2108         (inline_read_section, inline_write_summary): Do not stream self_time.
2109         * ipa-inline.h (inline_summary): Drop self_time.
2110
2111 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
2112
2113         * ipa-inline-analysis.c (account_size_time): Rename to ...
2114         (inline_summary::account_size_time): ... this one.
2115         (reset_ipa_call_summary): Turn to ...
2116         (ipa_call_summary::reset): ... this one.
2117         (reset_inline_summary): Turn to ...
2118         (inline_summary::reset): ... this one.
2119         (inline_summary_t::remove): Update.
2120         (inline_summary_t::duplicate): Update.
2121         (ipa_call_summary_t::remove): Update.
2122         (dump_inline_summary): Update.
2123         (estimate_function_body_sizes): Update.
2124         (compute_inline_parameters): Update.
2125         (estimate_node_size_and_time): Update.
2126         (inline_merge_summary): Update.
2127         (inline_update_overall_summary): Update.
2128         (inline_read_section): Update.
2129         (inline_write_summary): Update.
2130         * ipa-inline.h (inline_summary): Rename entry to size_time_table;
2131         add account_size_time and reset member functions.
2132         (ipa_call_summary): Add reset function.
2133         * ipa-predicate.h (predicate::operator &): Constify.
2134
2135 2017-05-22  Richard Biener  <rguenther@suse.de>
2136
2137         * df-scan.c (df_insn_refs_verify): Speedup when not verifying.
2138
2139 2017-05-19  Jason Merrill  <jason@redhat.com>
2140
2141         * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.
2142
2143 2017-05-19  Marek Polacek  <polacek@redhat.com>
2144
2145         PR sanitizer/80800
2146         * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
2147         TYPE_OVERFLOW_WRAPS checks.
2148
2149 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
2150
2151         * tree-core.h (enum omp_clause_default_kind): Add
2152         "OMP_CLAUSE_DEFAULT_PRESENT".
2153         * tree-pretty-print.c (dump_omp_clause): Handle it.
2154         * gimplify.c (enum gimplify_omp_var_data): Add
2155         "GOVD_MAP_FORCE_PRESENT".
2156         (gimplify_adjust_omp_clauses_1): Map it to
2157         "GOMP_MAP_FORCE_PRESENT".
2158         (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".
2159
2160         * gimplify.c (oacc_default_clause): Clarify.
2161
2162 2017-05-19  Nathan Sidwell  <nathan@acm.org>
2163
2164         LANG_HOOK_REGISTER_DUMPS
2165         * toplev.c (general_init): Call register dump lang hook.
2166         * doc/invoke.texi: Document -fdump-lang option family.
2167         * dumpfile.c (dump_files): Remove class dump here.
2168         (FIRST_AUTO_NUMBERED_DUMP): Adjust.
2169         * dumpfile.h (tree_dump_index): Remove TDI_class.
2170         * langhooks-def.h (lhd_register_dumps): Declare.
2171         (LANG_HOOKS_REGISTER_DUMPS): Define.
2172         (LANG_HOOKS_INITIALIZER): Add it.
2173         * langhooks.c (lhd_register_dumps): Define.
2174         * langhooks.h (struct lang_hooks): Add register_dumps.
2175
2176 2017-05-19  Nathan Sidwell  <nathan@acm.org>
2177
2178         * context.h (context::set_passes): New.
2179         * context.c (context::context): Do not create pass manager.
2180         * toplev.c (general_init): Create pass manager here.
2181
2182 2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2183
2184         * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
2185         use this splitter if two add or or instructions would also work for
2186         the constant we want to generate.
2187
2188 2017-05-19  Richard Biener  <rguenther@suse.de>
2189
2190         PR build/80821
2191         * genmatch.c (dt_node::gen_kids_1): Add missing scope around
2192         predicate evaluation.
2193
2194 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
2195
2196         * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
2197         add ctor.
2198         * ipa-inline.c (want_inline_small_function_p): Do not cast to
2199         unsigned.
2200
2201 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
2202
2203         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
2204         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
2205         (inline_edge_summary_vec): Turn into ...
2206         (ipa_call_summaries): ... this one.
2207         (redirect_to_unreachable, edge_set_predicate,
2208         evaluate_properties_for_edge, inline_summary_alloc,
2209         reset_ipa_call_summary, reset_inline_summary,
2210         inline_summary_t::duplicate): Update.
2211         (inline_edge_duplication_hook): Turn to ...
2212         (ipa_call_summary_t::duplicate): ... this one.
2213         (inline_edge_removal_hook): Turn to ...
2214         (ipa_call_summary_t::remove): ... this one.
2215         (dump_inline_edge_summary): Turn to ...
2216         (dump_ipa_call_summary): ... this one.
2217         (estimate_function_body_sizes): Update.
2218         (inline_update_callee_summaries): Update.
2219         (remap_edge_change_prob): Update.
2220         (remap_edge_summaries): Update.
2221         (inline_merge_summary): Update.
2222         (do_estimate_edge_time): Update.
2223         (inline_generate_summary): Update.
2224         (inline_read_section): Update.
2225         (inline_read_summary): Update.
2226         (inline_free_summary): Update.
2227         * ipa-inline.c (can_inline_edge_p): Update.
2228         (compute_inlined_call_time): Update.
2229         (want_inline_small_function_p): Update.
2230         (edge_badness): Update.
2231         (early_inliner): Update.
2232         * ipa-inline.h (inline_edge_summary): Turn to ...
2233         (ipa_call_summary): ... this one.
2234         (ipa_call_summary_t): New class.
2235         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
2236         (ipa_call_summaries): New.
2237         (inline_edge_summary): Remove.
2238         (estimate_edge_growth): Update.
2239         * ipa-profile.c (ipa_propagate_frequency_1): Update.
2240         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
2241         * ipa-split.c (execute_split_functions): Update.
2242         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
2243
2244 2017-05-19  Richard Biener  <rguenther@suse.de>
2245
2246         PR middle-end/80764
2247         * cfgexpand.c (expand_gimple_cond): Fix loop fixup.
2248
2249 2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
2250
2251         * config/rs6000/rs6000.c (struct machine_function): Add field
2252         fpr_is_wrapped_separately.
2253         (rs6000_get_separate_components): Use 64 components.  Handle the
2254         new FPR components.
2255         (rs6000_components_for_bb): Handle the FPR components.
2256         (rs6000_emit_prologue_components): Handle the FPR components.
2257         (rs6000_emit_epilogue_components): Handle the FPR components.
2258         (rs6000_set_handled_components): Handle the FPR components.
2259         (rs6000_emit_prologue): Don't output prologue code for those FPRs
2260         that are already separately shrink-wrapped.
2261         (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
2262         that are already separately shrink-wrapped.
2263
2264 2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
2265
2266         PR target/80510
2267         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
2268         New predicate.
2269
2270         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
2271         (define_peephole2 for Altivec d-form load): Add peepholes to catch
2272         cases where the register allocator uses a move and an offsettable
2273         memory operation to/from a FPR register on ISA 2.06/2.07.
2274         (define_peephole2 for Altivec d-form store): Likewise.
2275
2276 2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
2277
2278         PR target/80799
2279         * config/i386/mmx.md (*mov<mode>_internal): Enable
2280         alternatives 11, 12, 13 and 14 also for 32bit targets.
2281         Remove alternatives 15, 16, 17 and 18.
2282         * config/i386/sse.md (vec_concatv2di): Change
2283         alternative (!x, *y) to (x, ?!*Yn).
2284
2285 2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
2286
2287         * dumpfile.h (enum dump_kind): Remove stray comma.
2288
2289 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
2290
2291         * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
2292         * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
2293         predicate::num_conditions
2294         (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
2295         (CHANGED): turn into predicate::changed.
2296         (agg_position_info): Move to ipa-predicate.h
2297         (add_condition, predicate::add_clause, predicate::operator &=,
2298         predicate::or_with, predicate::evaluate, predicate::probability,
2299         dump_condition, dump_clause, predicate::dump,
2300         predicate::remap_after_duplication, predicate::remap_after_inlining,
2301         predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
2302         (evaluate_conditions_for_known_args): Update.
2303         (set_cond_stmt_execution_predicate): Update.
2304         * ipa-inline.h: Include ipa-predicate.h
2305         (condition, inline_param_summary, conditions, agg_position_info,
2306         predicate): Move to ipa-predicate.h
2307         * ipa-predicate.c: New file.
2308         * ipa-predicate.h: New file.
2309
2310 2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>
2311
2312         * final.c (leaf_function_p): Check we are not in a sequence.
2313
2314 2017-05-18  Martin Liska  <mliska@suse.cz>
2315
2316         * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
2317         * dumpfile.c (dump_register): Use new enum dump_kind.
2318         (get_dump_file_name): Likewise.
2319         (dump_enable_all): Likewise.
2320         (dump_switch_p_1): Likewise.
2321         (enable_rtl_dump_file): Remove usage of TDF_RTL.
2322         * dumpfile.h (enum dump_kind): New enum type.
2323         (struct dump_file_info): Create constructor and
2324         format fields and comments.
2325         * passes.c (pass_manager::register_one_dump_file):
2326         Use num dump_kind.
2327         * statistics.c (statistics_early_init): Likewise.
2328         * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
2329         TDF_TREE with TDF_SLIM.
2330         (gather_memory_references_ref): Likewise.
2331
2332 2017-05-18  Martin Liska  <mliska@suse.cz>
2333
2334         * vec.h (struct vnull): Use it.
2335
2336 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
2337
2338         * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
2339         (true_predicate, false_predicate, true_predicate_p,
2340         false_predicate_p): Remove.
2341         (single_cond_predicate, not_inlined_predicate): Turn to member function
2342         in ipa-inline.h
2343         (add_condition): Update.
2344         (add_clause): Turn to...
2345         (predicate::add_clause): ... this one; update; allow passing NULL
2346         as parameter.
2347         (and_predicates): Turn to ...
2348         (predicate::operator &=): ... this one.
2349         (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
2350         (or_predicates): Turn to ...
2351         (predicate::or_with): ... this one.
2352         (evaluate_predicate): Turn to ...
2353         (predicate::evaluate): ... this one.
2354         (predicate_probability): Turn to ...
2355         (predicate::probability): ... this one.
2356         (dump_condition): Update.
2357         (dump_predicate): Turn to ...
2358         (predicate::dump): ... this one.
2359         (account_size_time): Update.
2360         (edge_set_predicate): Update.
2361         (set_hint_predicate): UPdate.
2362         (evaluate_conditions_for_known_args): Update.
2363         (evaluate_properties_for_edge): Update.
2364         (remap_predicate_after_duplication): Turn to...
2365         (predicate::remap_after_duplication): ... this one.
2366         (remap_hint_predicate_after_duplication): Update.
2367         (inline_summary_t::duplicate): UPdate.
2368         (dump_inline_edge_summary): Update.
2369         (dump_inline_summary): Update.
2370         (set_cond_stmt_execution_predicate): Update.
2371         (set_switch_stmt_execution_predicate): Update.
2372         (compute_bb_predicates): Update.
2373         (will_be_nonconstant_expr_predicate): Update.
2374         (will_be_nonconstant_predicate): Update.
2375         (phi_result_unknown_predicate): Update.
2376         (predicate_for_phi_result): Update.
2377         (array_index_predicate): Update.
2378         (estimate_function_body_sizes): Update.
2379         (estimate_node_size_and_time): Update.
2380         (estimate_ipcp_clone_size_and_time): Update.
2381         (remap_predicate): Rename to ...
2382         (predicate::remap_after_inlining): ... this one.
2383         (remap_hint_predicate): Update.
2384         (inline_merge_summary): Update.
2385         (inline_update_overall_summary): Update.
2386         (estimate_size_after_inlining): Update.
2387         (read_predicate): Rename to ...
2388         (predicate::stream_in): ... this one.
2389         (read_inline_edge_summary): Update.
2390         (write_predicate): Rename to ...
2391         (predicate::stream_out): ... this one.
2392         (write_inline_edge_summary): Update.
2393         * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
2394         (clause_t): Turn to uint32_t
2395         (predicate): Turn to class; implement constructor and operators
2396         ==, !=, &
2397         (size_time_entry): Update.
2398         (inline_summary): Update.
2399         (inline_edge_summary): Update.
2400
2401 2017-05-18  Marc Glisse  <marc.glisse@inria.fr>
2402
2403         * fold-const.c (fold_binary_loc): Move transformation...
2404         * match.pd (C - X CMP X): ... here.
2405
2406 2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
2407
2408         * config/sparc/sparc.c (sparc_option_override): Set function
2409         alignment for -mcpu=niagara7 to 64 to match the I$ line.
2410         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
2411         latency to 1.
2412         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
2413         latency to 2.
2414         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
2415
2416 2017-05-18  Marek Polacek  <polacek@redhat.com>
2417
2418         PR sanitizer/80797
2419         * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
2420         (pass_ubsan::execute): Call gimple_assign_single_p instead of
2421         gimple_assign_load_p.
2422
2423 2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2424
2425         PR middle-end/80692
2426         * real.c (do_compare): Give decimal_do_compare preference over
2427         comparing just the signs.
2428
2429 2017-05-17  Uros Bizjak  <ubizjak@gmail.com>
2430
2431         * doc/md.texi (Canonicalization of Instructions): Describe the
2432         canonical form of instructions that inherently set a condition
2433         code register.
2434
2435 2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>
2436
2437         PR middle-end/80775
2438         * tree-cfg.c: Move deletion of unreachable case statements to after
2439         the merging of consecutive case labels.
2440
2441 2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2442
2443         * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
2444         readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
2445         restoring of callee-saved registers.
2446
2447 2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>
2448
2449         * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
2450         * config/visium/visium.c (single_set_and_flags): Likewise.
2451         * config/visium/visium.md (Substitutions): Likewise.
2452
2453 2017-05-17  Martin Liska  <mliska@suse.cz>
2454
2455         * cfg.c: Introduce dump_flags_t type and
2456         use it instead of int type.
2457         * cfg.h: Likewise.
2458         * cfghooks.c: Likewise.
2459         * cfghooks.h (struct cfg_hooks): Likewise.
2460         * cfgrtl.c: Likewise.
2461         * cfgrtl.h: Likewise.
2462         * cgraph.c (cgraph_node::get_body): Likewise.
2463         * coretypes.h: Likewise.
2464         * domwalk.c: Likewise.
2465         * domwalk.h: Likewise.
2466         * dumpfile.c (struct dump_option_value_info): Likewise.
2467         (dump_enable_all): Likewise.
2468         (dump_switch_p_1): Likewise.
2469         (opt_info_switch_p): Likewise.
2470         * dumpfile.h (enum tree_dump_index): Likewise.
2471         (struct dump_file_info): Likewise.
2472         * genemit.c: Likewise.
2473         * generic-match-head.c: Likewise.
2474         * gengtype.c (open_base_files): Likewise.
2475         * gimple-pretty-print.c: Likewise.
2476         * gimple-pretty-print.h: Likewise.
2477         * graph.c (print_graph_cfg): Likewise.
2478         * graphite-scop-detection.c (dot_all_sese): Likewise.
2479         * ipa-devirt.c (build_type_inheritance_graph): Likewise.
2480         * loop-unroll.c (report_unroll): Likewise.
2481         * passes.c (pass_manager::register_one_dump_file): Likewise.
2482         * print-tree.c: Likewise.
2483         * statistics.c: Likewise.
2484         * tree-cfg.c: Likewise.
2485         * tree-cfg.h: Likewise.
2486         * tree-dfa.c: Likewise.
2487         * tree-dfa.h: Likewise.
2488         * tree-dump.c (dump_function): Likewise.
2489         * tree-dump.h (struct dump_info): Likewise.
2490         * tree-pretty-print.c: Likewise.
2491         * tree-pretty-print.h: Likewise.
2492         * tree-ssa-live.c: Likewise.
2493         * tree-ssa-live.h: Likewise.
2494         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2495         * tree-vect-loop.c: Likewise.
2496         * tree-vect-slp.c: Likewise.
2497
2498 2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
2499             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2500
2501         PR tree-optimization/80457
2502         * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
2503         of all arguments to a statement as scalar_to_vec operations.
2504         (vectorizable_call): Adjust call to vect_model_simple_cost for
2505         new parameter.
2506         (vectorizable_conversion): Likewise.
2507         (vectorizable_assignment): Likewise.
2508         (vectorizable_shift): Likewise.
2509         (vectorizable_operation): Likewise.
2510         (vectorizable_comparison): Likewise.
2511         (vect_is_simple_cond): Record the def types for operands.
2512         (vectorizable_condition): Likewise, call vect_model_simple_cost.
2513         * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
2514         for statement argument count.
2515
2516 2017-05-16  Carl Love  <cel@us.ibm.com>
2517
2518         * config/rs6000/rs6000-c: Add support for built-in functions
2519         vector unsigned long long vec_bperm (vector unsigned long long,
2520                                              vector unsigned char)
2521         vector signed long long vec_mule (vector signed int,
2522                                           vector signed int)
2523         vector unsigned long long vec_mule (vector unsigned int,
2524                                             vector unsigned int)
2525         vector signed long long vec_mulo (vector signed int,
2526                                           vector signed int)
2527         vector unsigned long long vec_mulo (vector unsigned int,
2528                                             vector unsigned int)
2529         vector signed char vec_sldw (vector signed char,
2530                                      vector signed char,
2531                                      const int)
2532         vector unsigned char vec_sldw (vector unsigned char,
2533                                        vector unsigned char,
2534                                        const int)
2535         vector signed short vec_sldw (vector signed short,
2536                                       vector signed short,
2537                                       const int)
2538         vector unsigned short vec_sldw (vector unsigned short,
2539                                         vector unsigned short,
2540                                         const int)
2541         vector signed int vec_sldw (vector signed int,
2542                                     vector signed int,
2543                                     const int)
2544         vector unsigned int vec_sldw (vector unsigned int,
2545                                       vector unsigned int,
2546                                       const int)
2547         vector signed long long vec_sldw (vector signed long long,
2548                                           vector signed long long,
2549                                           const int)
2550         vector unsigned long long vec_sldw (vector unsigned long long,
2551                                             vector unsigned long long,
2552                                             const int)
2553         * config/rs6000/rs6000-c: Add support for built-in functions
2554         * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
2555         * config/rs6000/altivec.h: Add defintion for vec_sldw.
2556         * doc/extend.texi: Update the built-in documentation for the
2557         new built-in functions.
2558
2559 2017-05-16  Marek Polacek  <polacek@redhat.com>
2560
2561         PR sanitizer/80536
2562         PR sanitizer/80386
2563         * tree.c (save_expr): Don't fold the expression.
2564
2565 2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
2566
2567         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
2568         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
2569         and (?*y,m).  Update insn attributes.
2570
2571 2017-05-16  Martin Liska  <mliska@suse.cz>
2572
2573         * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
2574         flags argument of print_gimple_stmt, print_gimple_expr,
2575         print_generic_stmt and print_generic_expr.
2576         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
2577         * coretypes.h: Likewise.
2578         * except.c (dump_eh_tree): Likewise.
2579         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
2580         * gimple-pretty-print.h: Likewise.
2581         * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
2582         (backprop::push_to_worklist): Likewise.
2583         (backprop::pop_from_worklist): Likewise.
2584         (backprop::process_use): Likewise.
2585         (backprop::intersect_uses): Likewise.
2586         (note_replacement): Likewise.
2587         * gimple-ssa-store-merging.c
2588         (pass_store_merging::terminate_all_aliasing_chains): Likewise.
2589         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
2590         (pass_store_merging::execute): Likewise.
2591         * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
2592         (ssa_base_cand_dump_callback): Likewise.
2593         (dump_incr_vec): Likewise.
2594         (replace_refs): Likewise.
2595         (replace_mult_candidate): Likewise.
2596         (create_add_on_incoming_edge): Likewise.
2597         (create_phi_basis): Likewise.
2598         (insert_initializers): Likewise.
2599         (all_phi_incrs_profitable): Likewise.
2600         (introduce_cast_before_cand): Likewise.
2601         (replace_one_candidate): Likewise.
2602         * gimplify.c (gimplify_expr): Likewise.
2603         * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
2604         (set_rename): Likewise.
2605         (rename_uses): Likewise.
2606         (copy_loop_phi_nodes): Likewise.
2607         (add_close_phis_to_merge_points): Likewise.
2608         (copy_loop_close_phi_args): Likewise.
2609         (copy_cond_phi_args): Likewise.
2610         (graphite_copy_stmts_from_block): Likewise.
2611         (translate_pending_phi_nodes): Likewise.
2612         * graphite-poly.c (print_pdr): Likewise.
2613         (dump_gbb_cases): Likewise.
2614         (dump_gbb_conditions): Likewise.
2615         (print_scop_params): Likewise.
2616         * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
2617         (build_cross_bb_scalars_use): Likewise.
2618         (gather_bbs::before_dom_children): Likewise.
2619         * hsa-dump.c (dump_hsa_immed): Likewise.
2620         * ipa-cp.c (print_ipcp_constant_value): Likewise.
2621         (get_replacement_map): Likewise.
2622         * ipa-inline-analysis.c (dump_condition): Likewise.
2623         (estimate_function_body_sizes): Likewise.
2624         * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
2625         (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
2626         * ipa-prop.c (ipa_dump_param): Likewise.
2627         (ipa_print_node_jump_functions_for_edge): Likewise.
2628         (ipa_modify_call_arguments): Likewise.
2629         (ipa_modify_expr): Likewise.
2630         (ipa_dump_param_adjustments): Likewise.
2631         (ipa_dump_agg_replacement_values): Likewise.
2632         (ipcp_modif_dom_walker::before_dom_children): Likewise.
2633         * ipa-pure-const.c (check_stmt): Likewise.
2634         (pass_nothrow::execute): Likewise.
2635         * ipa-split.c (execute_split_functions): Likewise.
2636         * omp-offload.c (dump_oacc_loop_part): Likewise.
2637         (dump_oacc_loop): Likewise.
2638         * trans-mem.c (tm_log_emit): Likewise.
2639         (tm_memopt_accumulate_memops): Likewise.
2640         (dump_tm_memopt_set): Likewise.
2641         (dump_tm_memopt_transform): Likewise.
2642         * tree-cfg.c (gimple_verify_flow_info): Likewise.
2643         (print_loop): Likewise.
2644         * tree-chkp-opt.c (chkp_print_addr): Likewise.
2645         (chkp_gather_checks_info): Likewise.
2646         (chkp_get_check_result): Likewise.
2647         (chkp_remove_check_if_pass): Likewise.
2648         (chkp_use_outer_bounds_if_possible): Likewise.
2649         (chkp_reduce_bounds_lifetime): Likewise.
2650         * tree-chkp.c (chkp_register_addr_bounds): Likewise.
2651         (chkp_mark_completed_bounds): Likewise.
2652         (chkp_register_incomplete_bounds): Likewise.
2653         (chkp_mark_invalid_bounds): Likewise.
2654         (chkp_maybe_copy_and_register_bounds): Likewise.
2655         (chkp_build_returned_bound): Likewise.
2656         (chkp_get_bound_for_parm): Likewise.
2657         (chkp_build_bndldx): Likewise.
2658         (chkp_get_bounds_by_definition): Likewise.
2659         (chkp_generate_extern_var_bounds): Likewise.
2660         (chkp_get_bounds_for_decl_addr): Likewise.
2661         * tree-chrec.c (chrec_apply): Likewise.
2662         * tree-data-ref.c (dump_data_reference): Likewise.
2663         (dump_subscript): Likewise.
2664         (dump_data_dependence_relation): Likewise.
2665         (analyze_overlapping_iterations): Likewise.
2666         * tree-inline.c (expand_call_inline): Likewise.
2667         (tree_function_versioning): Likewise.
2668         * tree-into-ssa.c (dump_defs_stack): Likewise.
2669         (dump_currdefs): Likewise.
2670         (dump_names_replaced_by): Likewise.
2671         (dump_update_ssa): Likewise.
2672         (update_ssa): Likewise.
2673         * tree-object-size.c (pass_object_sizes::execute): Likewise.
2674         * tree-parloops.c (build_new_reduction): Likewise.
2675         (try_create_reduction_list): Likewise.
2676         (ref_conflicts_with_region): Likewise.
2677         (oacc_entry_exit_ok_1): Likewise.
2678         (oacc_entry_exit_single_gang): Likewise.
2679         * tree-pretty-print.h: Likewise.
2680         * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
2681         (get_scalar_evolution): Likewise.
2682         (add_to_evolution): Likewise.
2683         (get_loop_exit_condition): Likewise.
2684         (analyze_evolution_in_loop): Likewise.
2685         (analyze_initial_condition): Likewise.
2686         (analyze_scalar_evolution): Likewise.
2687         (instantiate_scev): Likewise.
2688         (number_of_latch_executions): Likewise.
2689         (gather_chrec_stats): Likewise.
2690         (final_value_replacement_loop): Likewise.
2691         (scev_const_prop): Likewise.
2692         * tree-sra.c (dump_access): Likewise.
2693         (disqualify_candidate): Likewise.
2694         (create_access): Likewise.
2695         (reject): Likewise.
2696         (maybe_add_sra_candidate): Likewise.
2697         (create_access_replacement): Likewise.
2698         (analyze_access_subtree): Likewise.
2699         (analyze_all_variable_accesses): Likewise.
2700         (sra_modify_assign): Likewise.
2701         (initialize_constant_pool_replacements): Likewise.
2702         (find_param_candidates): Likewise.
2703         (decide_one_param_reduction): Likewise.
2704         (replace_removed_params_ssa_names): Likewise.
2705         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2706         * tree-ssa-copy.c (dump_copy_of): Likewise.
2707         (copy_prop_visit_cond_stmt): Likewise.
2708         * tree-ssa-dce.c (mark_operand_necessary): Likewise.
2709         * tree-ssa-dom.c (pass_dominator::execute): Likewise.
2710         (record_equivalences_from_stmt): Likewise.
2711         * tree-ssa-dse.c (compute_trims): Likewise.
2712         (delete_dead_call): Likewise.
2713         (delete_dead_assignment): Likewise.
2714         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
2715         (forward_propagate_into_cond): Likewise.
2716         (pass_forwprop::execute): Likewise.
2717         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
2718         * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
2719         Likewise.
2720         (move_computations_worker): Likewise.
2721         (execute_sm): Likewise.
2722         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
2723         (remove_exits_and_undefined_stmts): Likewise.
2724         (remove_redundant_iv_tests): Likewise.
2725         * tree-ssa-loop-ivopts.c (dump_use): Likewise.
2726         (adjust_iv_update_pos): Likewise.
2727         * tree-ssa-math-opts.c (bswap_replace): Likewise.
2728         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
2729         (value_replacement): Likewise.
2730         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2731         * tree-ssa-pre.c (print_pre_expr): Likewise.
2732         (get_representative_for): Likewise.
2733         (create_expression_by_pieces): Likewise.
2734         (insert_into_preds_of_block): Likewise.
2735         (eliminate_insert): Likewise.
2736         (eliminate_dom_walker::before_dom_children): Likewise.
2737         (eliminate): Likewise.
2738         (remove_dead_inserted_code): Likewise.
2739         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
2740         * tree-ssa-reassoc.c (get_rank): Likewise.
2741         (eliminate_duplicate_pair): Likewise.
2742         (eliminate_plus_minus_pair): Likewise.
2743         (eliminate_not_pairs): Likewise.
2744         (undistribute_ops_list): Likewise.
2745         (eliminate_redundant_comparison): Likewise.
2746         (update_range_test): Likewise.
2747         (optimize_range_tests_var_bound): Likewise.
2748         (optimize_vec_cond_expr): Likewise.
2749         (rewrite_expr_tree): Likewise.
2750         (rewrite_expr_tree_parallel): Likewise.
2751         (linearize_expr): Likewise.
2752         (break_up_subtract): Likewise.
2753         (linearize_expr_tree): Likewise.
2754         (attempt_builtin_powi): Likewise.
2755         (attempt_builtin_copysign): Likewise.
2756         (transform_stmt_to_copy): Likewise.
2757         (transform_stmt_to_multiply): Likewise.
2758         (dump_ops_vector): Likewise.
2759         * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
2760         (print_scc): Likewise.
2761         (set_ssa_val_to): Likewise.
2762         (visit_reference_op_store): Likewise.
2763         (visit_use): Likewise.
2764         (sccvn_dom_walker::before_dom_children): Likewise.
2765         (run_scc_vn): Likewise.
2766         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
2767         Likewise.
2768         (expr_hash_elt::print): Likewise.
2769         (const_and_copies::pop_to_marker): Likewise.
2770         (const_and_copies::record_const_or_copy_raw): Likewise.
2771         * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
2772         * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
2773         (dump_predicates): Likewise.
2774         (find_uninit_use): Likewise.
2775         (warn_uninitialized_phi): Likewise.
2776         (pass_late_warn_uninitialized::execute): Likewise.
2777         * tree-ssa.c (verify_vssa): Likewise.
2778         (verify_ssa): Likewise.
2779         (maybe_optimize_var): Likewise.
2780         * tree-vrp.c (dump_value_range): Likewise.
2781         (dump_all_value_ranges): Likewise.
2782         (dump_asserts_for): Likewise.
2783         (register_edge_assert_for_2): Likewise.
2784         (vrp_visit_cond_stmt): Likewise.
2785         (vrp_visit_switch_stmt): Likewise.
2786         (vrp_visit_stmt): Likewise.
2787         (vrp_visit_phi_node): Likewise.
2788         (simplify_cond_using_ranges_1): Likewise.
2789         (fold_predicate_in): Likewise.
2790         (evrp_dom_walker::before_dom_children): Likewise.
2791         (evrp_dom_walker::push_value_range): Likewise.
2792         (evrp_dom_walker::pop_value_range): Likewise.
2793         (execute_early_vrp): Likewise.
2794
2795 2017-05-16  Richard Biener  <rguenther@suse.de>
2796
2797         * dwarf2out.c (loc_list_from_tree_1): Do not create
2798         DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
2799
2800 2017-05-16  Richard Biener  <rguenther@suse.de>
2801
2802         * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
2803         just generated.
2804         (note_variable_value_in_expr): If we resolved the decl ref
2805         do not push to the stack.
2806
2807 2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>
2808
2809         * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
2810         operations in fast-math mode.
2811         (vaddq_f16): Likewise.
2812         (vmul_f16): Likewise.
2813         (vmulq_f16): Likewise.
2814         (vsub_f16): Likewise.
2815         (vsubq_f16): Likewise.
2816         * config/arm/neon.md (add<mode>3): New.
2817         (sub<mode>3): New.
2818         (fma:<VH:mode>3): New.  Also remove outdated comment.
2819         (mul<mode>3): New.
2820
2821 2017-05-16  Martin Liska  <mliska@suse.cz>
2822
2823         PR ipa/79849.
2824         PR ipa/79850.
2825         * ipa-devirt.c (warn_types_mismatch): Fix typo.
2826         (odr_types_equivalent_p): Likewise.
2827
2828 2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>
2829
2830         * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).
2831
2832 2017-05-15  Uros Bizjak  <ubizjak@gmail.com>
2833
2834         PR target/80425
2835         * config/i386.i386.md (*zero_extendsidi2): Do not penalize
2836         non-interunit SSE move alternatives with '?'.
2837         (zero-extendsidi peephole2): New peephole to skip intermediate
2838         general register in SSE zero-extend sequence.
2839
2840 2017-05-15  Jeff Law  <law@redhat.com>
2841
2842         * reorg.c (relax_delay_slots): Create a new variable to hold
2843         the temporary target rather than clobbering TARGET_LABEL.
2844
2845         * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
2846         missing argument to extract_bit_field call.
2847         * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.
2848
2849 2017-05-15  Martin Liska  <mliska@suse.cz>
2850
2851         PR driver/31468
2852         * gcc.c (process_command): Do not allow empty argument of -o option.
2853
2854 2017-05-15  Renlin Li  <renlin.li@arm.com>
2855
2856         * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
2857         * config/aarch64/aarch64.c (aarch64_expand_call): Define.
2858         * config/aarch64/constraints.md (Usf): Add long call check.
2859         * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
2860         (call_value): Likewise.
2861         (sibcall): Likewise.
2862         (sibcall_value): Likewise.
2863         (call_insn): New.
2864         (call_value_insn): New.
2865         (sibcall_insn): Update rtx pattern.
2866         (sibcall_value_insn): Likewise.
2867         (call_internal): Remove.
2868         (call_value_internal): Likewise.
2869         (sibcall_internal): Likewise.
2870         (sibcall_value_internal): Likewise.
2871         (call_reg): Likewise.
2872         (call_symbol): Likewise.
2873         (call_value_reg): Likewise.
2874         (call_value_symbol): Likewise.
2875
2876 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
2877
2878         PR target/80600
2879         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.
2880
2881 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
2882
2883         * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
2884         compatible with CCGOCmode and with CCZmode.
2885
2886 2017-05-14  Martin Sebor  <msebor@redhat.com>
2887
2888         PR middle-end/77671
2889         * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
2890         (gimple_fold_builtin_snprintf): Same.
2891         * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
2892         (gimple_fold_builtin_snprintf): Same.
2893         * gimple-ssa-sprintf.c (get_format_string): Correct the detection
2894         of character types.
2895         (is_call_safe): New function.
2896         (try_substitute_return_value): Call it.
2897         (try_simplify_call): New function.
2898         (pass_sprintf_length::handle_gimple_call): Call it.
2899
2900 2017-05-14  Martin Sebor  <msebor@redhat.com>
2901
2902         PR middle-end/80669
2903         * builtins.c (expand_builtin_stpncpy): Simplify.
2904
2905 2017-05-14  Daniel Santos  <daniel.santos@pobox.com>
2906
2907         * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
2908         * config/i386/i386.h
2909         (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
2910         (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
2911         (struct machine_function): Add new members call_ms2sysv,
2912         call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
2913         (struct machine_frame_state): New fields sp_realigned and
2914         sp_realigned_offset.
2915         * config/i386/i386.c
2916         (enum xlogue_stub): New enum.
2917         (enum xlogue_stub_sets): New enum.
2918         (class xlogue_layout): New class.
2919         (struct ix86_frame): New fields stack_realign_allocate_offset,
2920         stack_realign_offset and outlined_save_offset.  Modify comments to
2921         detail stack layout when using out-of-line stubs.
2922         (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
2923         (ix86_option_override_internal): Add sorry() for TARGET_SEH and
2924         -mcall-ms2sysv-xlogues.
2925         (stub_managed_regs): New static variable.
2926         (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
2927         registers managed by out-of-line stub.
2928         (disable_call_ms2sysv_xlogues): New function.
2929         (ix86_compute_frame_layout): Modify re-alignment calculations, disable
2930         m->call_ms2sysv when appropriate and compute frame layout for
2931         out-of-line stubs.
2932         (sp_valid_at, fp_valid_at): New inline functions.
2933         (choose_basereg): New function.
2934         (choose_baseaddr): Add align parameter, use choose_basereg and modify
2935         all callers.
2936         (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
2937         Use align parameter of choose_baseaddr to generated aligned SSE movs
2938         when possible.
2939         (pro_epilogue_adjust_stack): Modify to track
2940         machine_frame_state::sp_realigned.
2941         (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
2942         (ix86_nsaved_sseregs): Likewise.
2943         (ix86_emit_save_regs): Likewise.
2944         (ix86_emit_save_regs_using_mov): Likewise.
2945         (ix86_emit_save_sse_regs_using_mov): Likewise.
2946         (get_scratch_register_on_entry): Likewise.
2947         (gen_frame_set): New function.
2948         (gen_frame_load): Likewise.
2949         (gen_frame_store): Likewise.
2950         (emit_outlined_ms2sysv_save): Likewise.
2951         (emit_outlined_ms2sysv_restore): Likewise.
2952         (ix86_expand_prologue): Modify stack re-alignment code and call
2953         emit_outlined_ms2sysv_save when appropriate.
2954         (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
2955         parameter rtx_insn *insn, which allows the function to be used to only
2956         generate the notes.
2957         (ix86_expand_epilogue): Modify validity checks of frame and stack
2958         pointers, and call emit_outlined_ms2sysv_restore when appropriate.
2959         (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
2960         * config/i386/predicates.md
2961         (save_multiple): New predicate.
2962         (restore_multiple): Likewise.
2963         * config/i386/sse.md
2964         (save_multiple<mode>): New pattern.
2965         (save_multiple_realign<mode>): Likewise.
2966         (restore_multiple<mode>): Likewise.
2967         (restore_multiple_and_return<mode>): Likewise.
2968         (restore_multiple_leave_return<mode>): Likewise.
2969         * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp
2970
2971 2017-05-14  Julia Koval  <julia.koval@intel.com>
2972
2973         * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
2974         * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
2975         (__builtin_ia32_xsetbv): New builtins.
2976         * config/i386/i386.c (ix86_expand_special_args_builtin):
2977         Process new types.
2978         (ix86_expand_builtin): Special expand for new intrinsics.
2979         * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
2980         (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
2981         * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.
2982
2983 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2984
2985         * cfganal.c (inverted_post_order_compute): Change argument type
2986         to vec *.
2987         * cfganal.h (inverted_post_order_compute): Adjust prototype.
2988         * df-core.c (rest_of_handle_df_initialize): Adjust.
2989         (rest_of_handle_df_finish): Likewise.
2990         (df_analyze_1): Likewise.
2991         (df_analyze): Likewise.
2992         (loop_inverted_post_order_compute): Change argument to be a vec *.
2993         (df_analyze_loop): Adjust.
2994         (df_get_n_blocks): Likewise.
2995         (df_get_postorder): Likewise.
2996         * df.h (struct df_d): Change field to be a vec.
2997         * lcm.c (compute_laterin): Adjust.
2998         (compute_available): Likewise.
2999         * lra-lives.c (lra_create_live_ranges_1): Likewise.
3000         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3001         * tree-ssa-pre.c (compute_antic): Likewise.
3002
3003 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3004
3005         * cfganal.c (connect_infinite_loops_to_exit): Adjust.
3006         (depth_first_search::depth_first_search): Change structure init
3007         function to this constructor.
3008         (depth_first_search::add_bb): Rename function to this member.
3009         (depth_first_search::execute): Likewise.
3010         (flow_dfs_compute_reverse_finish): Adjust.
3011
3012 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3013
3014         * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
3015         (longest_simple_path): Likewise.
3016         * shrink-wrap.c (spread_components): Likewise.
3017         (disqualify_problematic_components): Likewise.
3018         (emit_common_heads_for_components): Likewise.
3019         (emit_common_tails_for_components): Likewise.
3020         (insert_prologue_epilogue_for_components): Likewise.
3021
3022 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3023
3024         * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
3025         auto_sbitmap.
3026
3027 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3028
3029         * df-core.c (df_set_blocks): Start using auto_bitmap.
3030         (df_compact_blocks): Likewise.
3031         * df-problems.c (df_rd_confluence_n): Likewise.
3032         * df-scan.c (df_insn_rescan_all): Likewise.
3033         (df_process_deferred_rescans): Likewise.
3034         (df_update_entry_block_defs): Likewise.
3035         (df_update_exit_block_uses): Likewise.
3036         (df_entry_block_bitmap_verify): Likewise.
3037         (df_exit_block_bitmap_verify): Likewise.
3038         (df_scan_verify): Likewise.
3039         * lra-constraints.c (lra_constraints): Likewise.
3040         (undo_optional_reloads): Likewise.
3041         (lra_undo_inheritance): Likewise.
3042         * lra-remat.c (calculate_gen_cands): Likewise.
3043         (do_remat): Likewise.
3044         * lra-spills.c (assign_spill_hard_regs): Likewise.
3045         (spill_pseudos): Likewise.
3046         * tree-ssa-pre.c (bitmap_set_and): Likewise.
3047         (bitmap_set_subtract_values): Likewise.
3048
3049 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3050
3051         * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
3052         management with auto_bitmap.
3053         (fix_inter_tick): Likewise.
3054         (fix_recovery_deps): Likewise.
3055         * ira.c (add_store_equivs): Likewise.
3056         (find_moveable_pseudos): Likewise.
3057         (split_live_ranges_for_shrink_wrap): Likewise.
3058         * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
3059         (rtx_reuse_manager::seen_def_p): Likewise.
3060         (rtx_reuse_manager::set_seen_def): Likewise.
3061         * print-rtl.h (class rtx_reuse_manager): Likewise.
3062
3063 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3064
3065         * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
3066         lifetime.
3067         (migrate_btr_def): Likewise.
3068         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
3069         * df-core.c (loop_post_order_compute): Likewise.
3070         (loop_inverted_post_order_compute): Likewise.
3071         * hsa-common.h: Likewise.
3072         * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
3073         * init-regs.c (initialize_uninitialized_regs): Likewise.
3074         * ipa-inline.c (resolve_noninline_speculation): Likewise.
3075         (inline_small_functions): Likewise.
3076         * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
3077         * ira.c (combine_and_move_insns): Likewise.
3078         (build_insn_chain): Likewise.
3079         * loop-invariant.c (find_invariants): Likewise.
3080         * lower-subreg.c (propagate_pseudo_copies): Likewise.
3081         * predict.c (tree_predict_by_opcode): Likewise.
3082         (predict_paths_leading_to): Likewise.
3083         (predict_paths_leading_to_edge): Likewise.
3084         (estimate_loops_at_level): Likewise.
3085         (estimate_loops): Likewise.
3086         * shrink-wrap.c (try_shrink_wrapping): Likewise.
3087         (spread_components): Likewise.
3088         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
3089         * tree-loop-distribution.c (rdg_build_partitions): Likewise.
3090         * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
3091         * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
3092         * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
3093         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3094         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
3095         * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
3096         (mark_threaded_blocks): Likewise.
3097         (thread_through_all_blocks): Likewise.
3098         * tree-ssa.c (verify_ssa): Likewise.
3099         (execute_update_addresses_taken): Likewise.
3100         * tree-ssanames.c (verify_ssaname_freelists): Likewise.
3101
3102 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3103
3104         * cfganal.c (mark_dfs_back_edges): Replace manual stack with
3105         auto_vec.
3106         (post_order_compute): Likewise.
3107         (inverted_post_order_compute): Likewise.
3108         (pre_and_rev_post_order_compute_fn): Likewise.
3109
3110 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3111
3112         * genrecog.c (int_set::int_set): Explicitly construct our
3113         auto_vec base class.
3114         * vec.h (auto_vec::auto_vec): New constructor.
3115
3116 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3117
3118         * bitmap.h (class auto_bitmap): New constructor taking
3119         bitmap_obstack * argument.
3120
3121 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3122
3123         * bitmap.h (class auto_bitmap): Change type of m_bits to
3124         bitmap_head, and adjust ctor / dtor and member operators.
3125
3126 2017-05-13  Uros Bizjak  <ubizjak@gmail.com>
3127
3128         * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
3129         when returned register mode doesn't match original mode.
3130
3131 2017-05-12  Jeff Law  <law@redhat.com>
3132             Jakub Jelinek  <jakub@redhat.com>
3133
3134         * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
3135         we look for cc setter after the compare-elim changes.
3136         * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
3137         within the vector to match what compare-elim now expects.
3138         (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
3139         (xorsi3_flags, one_cmplsi2_flags): Likewise.
3140
3141         * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
3142         after the compare-elim changes.
3143         * config/rx/rx.md (abssi2_flags): Fix order of patterns within
3144         the vector to match what compare-elim now expects.
3145         (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
3146         (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
3147         (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
3148         (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
3149         (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.
3150
3151         * config/visium/visium.c (single_set_and_flags): Fix where
3152         we look for cc setter after the compare-elim changes.
3153         * config/visium/visium.md (flags_subst_logic): Fix order of patterns
3154         with the vector to match what compare-elim now expects.
3155         (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
3156         (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
3157         (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
3158         (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
3159         (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
3160         (neg<mode>2_insn_set_overflow): Likewise.
3161
3162 2017-05-12  Jim Wilson  <jim.wilson@linaro.org>
3163
3164         PR middle-end/79794
3165         * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
3166         maybe_expand_insn call, set ops[0].target.  If still set after call,
3167         set alt_rtl.  Add extra arg to recursive calls.
3168         (extract_bit_field): Add alt_rtl argument.  Pass to
3169         extract_bit_field.
3170         * expmed.h (extract_bit_field): Fix prototype.
3171         * expr.c (emit_group_load_1, copy_blkmode_from_reg)
3172         (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
3173         to extract_bit_field_calls.
3174         (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
3175         Pass alt_rtl to extract_bit_field calls.
3176         * calls.c (store_unaligned_arguments_into_psuedos)
3177         load_register_parameters): Pass extra NULL to extract_bit_field calls.
3178         * optabs.c (maybe_legitimize_operand): Clear op->target when call
3179         gen_reg_rtx.
3180         * optabs.h (struct expand_operand): Add target bitfield.
3181
3182 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
3183
3184         * compare-elim.c (try_eliminate_compare): Canonicalize
3185         operation with embedded compare to
3186         [(set (reg:CCM) (compare:CCM (operation) (immediate)))
3187          (set (reg) (operation)].
3188
3189         * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.
3190
3191 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
3192
3193         PR target/80723
3194         * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
3195         cost of adding a carry flag for ADC instruction.
3196         [case MINUS]: Ignore the cost of subtracting a carry flag
3197         for SBB instruction.
3198
3199 2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>
3200
3201         * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
3202         and x86intrin.h
3203         * config/rs6000/bmiintrin.h: New file.
3204         * config/rs6000/bmi2intrin.h: New file.
3205         * config/rs6000/x86intrin.h: New file.
3206
3207 2017-05-12  Jeff Law  <law@redhat.com>
3208
3209         * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
3210         markers.
3211
3212 2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>
3213
3214         PR middle-end/80707
3215         * tree-cfg.c: Remove cfg edges of unreachable case statements.
3216
3217 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
3218
3219         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
3220         early expansion of vector divide builtins.
3221         (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
3222         builtins identified as having unsigned arguments.
3223
3224 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
3225
3226         * config/rs6000/rs6000.c (gimple-fold.h): New #include.
3227         (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
3228         expansion of vector logical operations (and, andc, or, xor,
3229         nor, orc, nand).
3230
3231 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
3232
3233         * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
3234         * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.
3235
3236 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
3237
3238         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
3239         early GIMPLE expansion of vector multiplies.
3240
3241 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
3242
3243         * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
3244         TARGET_HAVE_MOVT conditional.
3245         (movt splitter): Likewise.
3246
3247 2017-05-12  Richard Biener  <rguenther@suse.de>
3248
3249         * tree-ssa-sccvn.h (has_VN_INFO): Declare.
3250         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
3251         Fold all stmts not inplace.
3252
3253 2017-05-12  Richard Biener  <rguenther@suse.de>
3254
3255         PR tree-optimization/80713
3256         * tree-ssa-pre.c (remove_dead_inserted_code): Clear
3257         inserted_exprs bit for not removed stmts.
3258
3259 2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
3260
3261         PR middle-end/69921
3262         * tree-parloops.c (create_parallel_loop): Set "oacc kernels
3263         parallelized" attribute for parallelized OpenACC kernels.
3264         * omp-offload.c (execute_oacc_device_lower): Use it.
3265
3266         * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
3267         Set "oacc kernels" attribute.
3268         * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
3269         parameter.  Adjust all users.
3270         (oacc_fn_attrib_kernels_p): Remove function.
3271         * omp-offload.c (execute_oacc_device_lower): Look for "oacc
3272         kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
3273         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
3274         * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
3275         assert "oacc kernels" attribute is set.
3276
3277 2017-05-11  Carl Love  <cel@us.ibm.com>
3278
3279         * config/rs6000/rs6000-c: Add support for built-in functions
3280         vector unsigned char vec_popcnt (vector signed char)
3281         vector unsigned char vec_popcnt (vector unsigned char)
3282         vector unsigned short vec_popcnt (vector signed short)
3283         vector unsigned short vec_popcnt (vector unsigned short)
3284         vector unsigned int vec_popcnt (vector signed int)
3285         vector unsigned int vec_popcnt (vector unsigned int)
3286         vector unsigned long long vec_popcnt (vector signed long long)
3287         vector unsigned long long vec_popcnt (vector unsigned long long)
3288         vector signed long long vec_slo (vector signed long long,
3289                                          vector signed char)
3290         vector signed long long vec_slo (vector signed long long,
3291                                          vector unsigned char)
3292         vector unsigned long long vec_slo (vector unsigned long long,
3293                                            vector signed char)
3294         vector unsigned long long vec_slo (vector unsigned long long,
3295                                            vector unsigned char)
3296         * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
3297         VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
3298         * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
3299         vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
3300         * doc/extend.texi: Update the built-in documentation file for the
3301         new built-in functions.
3302
3303 2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
3304
3305         * attribs.h (sorted_attr_string): Move machine independent
3306         functions for target clone support from the i386 port to common
3307         code.  Rename ix86_function_versions to common_function_versions.
3308         Rename make_name to make_unique_name.
3309         (common_function_versions): Likewise.
3310         (make_unique_name): Likewise.
3311         (make_dispatcher_decl): Likewise.
3312         (is_function_default_version): Likewise.
3313         * attribs.c (attr_strcmp): Likewise.
3314         (sorted_attr_string): Likewise.
3315         (common_function_versions): Likewise.
3316         (make_unique_name): Likewise.
3317         (make_dispatcher_decl): Likewise.
3318         (is_function_default_version): Likewise.
3319         * config/i386/i386.c (attr_strcmp): Likewise.
3320         (sorted_attr_string): Likewise.
3321         (ix86_function_versions): Likewise.
3322         (make_name): Likewise.
3323         (make_dispatcher_decl): Likewise.
3324         (is_function_default_version): Likewise.
3325         (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.
3326
3327 2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3328
3329         PR target/80695
3330         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
3331         Account for direct move costs for vec_construct of integer
3332         vectors.
3333
3334 2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
3335
3336         PR target/80706
3337         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
3338         (UNSPEC_STX_ATOMIC): Ditto.
3339         (loaddi_via_sse): New insn.
3340         (storedi_via_sse): Ditto.
3341         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
3342         Update corresponding peephole2 patterns.
3343         (atomic_storedi_fpu): Ditto.
3344
3345 2017-05-11  Julia Koval  <julia.koval@intel.com>
3346
3347         * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
3348         (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
3349         New intrinsics.
3350         * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
3351         (__builtin_ia32_rsqrt14ss_mask): New builtins.
3352         * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.
3353
3354 2017-05-11  Nathan Sidwell  <nathan@acm.org>
3355
3356         * graphite-poly.c: Include dumpfile.h.
3357
3358         * dumpfle.h (dump_function): Declare here ...
3359         * tree-dump.h (dump_function): ... not here.
3360         * dumpfile.c: #include tree-cfg.h.
3361         (dump_function): Move here from ...
3362         * tree-dump.c (dump_function): ... here.
3363         * gimplify.c: #include splay-tree.h, not tree-dump.h.
3364         * graphite-poly.c: Don't include tree-dump.h.
3365         * cgraphclones.c: Include dumpfile.h not tree-dump.h.
3366         * print-tree.c: Likewise.
3367         * stor-layout.c: Likewise.
3368         * tree-nested.c: Likewise.
3369
3370         * dumpfile.c (dump_start): Use TDF_FLAGS.
3371         (dump_enable_all): Fix TDF_KIND check thinko.
3372
3373 2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3374
3375         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3376         array entries to represent two legal parameterizations of the
3377         overloaded __builtin_cmpb function, as represented by the
3378         P6_OV_BUILTIN_CMPB constant.
3379         (altivec_resolve_overloaded_builtin): Add special case handling
3380         for the __builtin_cmpb function, as represented by the
3381         P6_OV_BUILTIN_CMPB constant.
3382         * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
3383         (BU_P6_64BIT_2): New macro.
3384         (BU_P6_OVERLOAD_2): New macro
3385         (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
3386         (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
3387         (CMPB): Add overload support to represent both 32-bit and 64-bit
3388         compare-bytes function.
3389         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
3390         support for TARGET_CMPB.
3391         * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
3392         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
3393         documentation of the __builtin_cmpb overloaded built-in function.
3394
3395 2017-05-11  Richard Biener  <rguenther@suse.de>
3396
3397         PR tree-optimization/80705
3398         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
3399         bases are not vectorizable.
3400
3401 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3402
3403         * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
3404         when counting register pressure.
3405
3406 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3407
3408         * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
3409         (iv_ca_more_deps): Renamed to ...
3410         (iv_ca_compare_deps): ... this.
3411         (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.
3412
3413 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3414
3415         * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
3416         to ...
3417         (determine_group_iv_costs): ... here.
3418         (find_inv_vars_cb): Record inv var if it's not recorded before.
3419
3420 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3421
3422         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
3423         (get_shiftadd_cost): Ditto.
3424
3425 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3426
3427         * tree-ssa-address.c: Include header file.
3428         (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
3429         address.
3430         (add_to_parts): Refactor.
3431         (addr_to_parts): New parameter.  Update use of move_hint_to_base.
3432         (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
3433         in new order.
3434
3435 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3436
3437         PR tree-optimization/53090
3438         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
3439         COMP_IV_EXPR_2.
3440         (extract_cond_operands): Detect condition with IV on both sides
3441         and return COMP_IV_EXPR_2.
3442         (find_interesting_uses_cond): Add iv_use for both IVs in condition.
3443         (rewrite_use_compare): Simplify by removing call to function
3444         extract_cond_operands.
3445
3446 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3447
3448         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
3449         (extract_cond_operands): Detect condition comparing against non-
3450         invariant bound and return appropriate enum value.
3451         (find_interesting_uses_cond): Update use of extract_cond_operands.
3452         Handle its return value accordingly.
3453         (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.
3454
3455 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3456
3457         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
3458         nonlinear iv_use computation in loop invariant sensitive way.
3459
3460 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3461
3462         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
3463         (find_iv_candidates): Call relate_compare_use_with_all_cands.
3464
3465 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3466
3467         * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
3468         (dump_cand): Support iv_cand.inv_exprs.
3469         (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
3470         for candidates.
3471         (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
3472         iv_cand.inv_exprs.
3473
3474 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3475
3476         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
3477         from ...
3478         * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
3479         as local function.  Include necessary header files.
3480         * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.
3481
3482 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3483
3484         * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.
3485
3486 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3487
3488         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
3489         operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
3490         RSHIFT_EXPR and BIT_NOT_EXPR.
3491
3492 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3493
3494         * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
3495         (adjust_setup_cost): New parameter supporting round up adjustment.
3496         (struct address_cost_data): Delete.
3497         (force_expr_to_var_cost): Don't bound cost with spill_cost.
3498         (split_address_cost, ptr_difference_cost): Delete.
3499         (difference_cost, compare_aff_trees, record_inv_expr): Delete.
3500         (struct ainc_cost_data): New struct.
3501         (get_address_cost_ainc): New function.
3502         (get_address_cost, get_computation_cost): Reimplement.
3503         (determine_group_iv_cost_address): Record inv_expr for all uses of
3504         a group.
3505         (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
3506         (iv_ca_has_deps): Reimplemented to ...
3507         (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
3508         than OLD_CP.
3509         (iv_ca_extend): Call iv_ca_more_deps.
3510
3511 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3512
3513         * tree-ssa-address.c (struct mem_address): Move to header file.
3514         (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
3515         * tree-ssa-address.h (struct mem_address): Move from C file.
3516         (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.
3517
3518 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3519
3520         * tree-affine.h (aff_combination_type): New interface.
3521         (aff_combination_zero_p): Remove static.
3522         (aff_combination_const_p): New interface.
3523         (aff_combination_singleton_var_p): New interfaces.
3524
3525 2017-05-11  Richard Biener  <rguenther@suse.de>
3526
3527         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
3528         Skip unreachable blocks and destinations.
3529         (eliminate): Move stmt removal and fixup ...
3530         (fini_eliminate): ... here.  Skip inserted exprs.
3531         (pass_pre::execute): Move fini_pre after fini_eliminate.
3532         * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
3533         (tail_merge_optimize): Run cleanup_tree_cfg if requested by
3534         PRE to get rid of dead code that has invalid SSA form and
3535         split critical edges again.
3536
3537 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3538
3539         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
3540
3541 2017-05-11  Richard Biener  <rguenther@suse.de>
3542
3543         * passes.c (execute_function_todo): Verify loops if they are
3544         said to be up-to-date.
3545         * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
3546         * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.
3547
3548 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
3549
3550         PR target/80090
3551         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
3552         handle calling assemble_external ourself.
3553
3554         PR target/79027
3555         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
3556         modes with zero size.  Enhance comment.
3557
3558 2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3559
3560         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
3561         built-ins for vec_xl and vec_xst with short and char pointer
3562         arguments.
3563
3564 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
3565
3566         * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
3567         (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
3568         (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
3569         (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
3570         (_mm_maskz_min_round_ss): New intrinsics.
3571         * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
3572         (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
3573         * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
3574         (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
3575         (__builtin_ia32_minss_mask_round): New builtins.
3576         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
3577         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
3578         * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
3579         Rename to ...
3580         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
3581         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
3582         Change to ...
3583         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
3584         ... this.
3585
3586 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
3587
3588         * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
3589         (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
3590         (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
3591         (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
3592         (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
3593         (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
3594         (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
3595         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
3596         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
3597         * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
3598         (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
3599         (__builtin_ia32_mulss_mask_round): New builtins.
3600         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
3601         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
3602         * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
3603         Rename to ...
3604         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
3605         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
3606         Change to ...
3607         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
3608         ... this.
3609
3610 2017-05-10  Julia Koval  <julia.koval@intel.com>
3611
3612         * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
3613         (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
3614         (_mm256_setr_m128i): New intrinsics.
3615
3616 2017-05-10  Julia Koval  <julia.koval@intel.com>
3617
3618         * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
3619         (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
3620         (_mm_maskz_rcp14_ss): New intrinsics.
3621         * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
3622         (__builtin_ia32_rcp14ss_mask): New builtins.
3623         * config/i386/sse.md (srcp14<mode>_mask): New pattern.
3624
3625 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
3626
3627         PR tree-optimization/51513
3628         * tree-cfg.c (gimple_seq_unreachable_p): New function.
3629         (assert_unreachable_fallthru_edge_p): Use it.
3630         (group_case_labels_stmt): Likewise.
3631         * tree-cfg.h: Prototype it.
3632         * stmt.c: Include cfghooks.h and tree-cfg.h.
3633         (emit_case_dispatch_table) <gap_label>: New local variable.
3634         Use it to fill dispatch table gaps.
3635         Test for default_label before updating probabilities.
3636         (expand_case) <default_label>: Remove unneeded initialization.
3637         Test for unreachable default case statement and remove its edge.
3638         Set default_label accordingly.
3639         * tree-ssa-ccp.c (optimize_unreachable): Update comment.
3640
3641 2017-05-10  Carl Love  <cel@us.ibm.com>
3642
3643         * config/rs6000/rs6000-c: Add support for built-in functions
3644         vector signed char      vec_neg (vector signed char)
3645         vector signed short int vec_neg (vector short int)
3646         vector signed int       vec_neg (vector signed int)
3647         vector signed long long vec_neg (vector signed long long)
3648         vector float            vec_neg (vector float)
3649         vector double           vec_neg (vector double)
3650         * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
3651         overload.
3652         * config/rs6000/altivec.h: Add define for vec_neg
3653         * doc/extend.texi: Update the built-in documentation for the
3654         new built-in functions.
3655
3656 2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3657
3658         PR tree-optimization/77644
3659         * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.
3660
3661 2017-05-10  Nathan Sidwell  <nathan@acm.org>
3662
3663         * dumpfile.h (TDI_lang_all): New.
3664         (TDF_KIND): New. Renumber others
3665         (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
3666         than bits.
3667         * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
3668         lang-all.
3669         (get_dump_file_name): Adjust suffix generation.
3670         (dump_enable_all): Use TDF_KIND.
3671         * doc/invoke.texi (-fdump-lang-all): Document.
3672
3673         * dumpfile.h: Tabify.
3674
3675 2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>
3676
3677         PR target/80671
3678         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
3679         Move member access before delete.
3680
3681 2017-05-10  Alexandre Oliva <aoliva@redhat.com>
3682
3683         * tree-inline.c (expand_call_inline): Split block at stmt
3684         before the call.
3685
3686 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3687
3688         PR target/68163
3689         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
3690         are now unused after splitting mov{sf,sd}_hardfloat.
3691         (f32_lr2): Likewise.
3692         (f32_lm): Likewise.
3693         (f32_lm2): Likewise.
3694         (f32_li): Likewise.
3695         (f32_li2): Likewise.
3696         (f32_lv): Likewise.
3697         (f32_sr): Likewise.
3698         (f32_sr2): Likewise.
3699         (f32_sm): Likewise.
3700         (f32_sm2): Likewise.
3701         (f32_si): Likewise.
3702         (f32_si2): Likewise.
3703         (f32_sv): Likewise.
3704         (f32_dm): Likewise.
3705         (f32_vsx): Likewise.
3706         (f32_av): Likewise.
3707         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
3708         For movsf, order stores so the VSX stores occur before the GPR
3709         store which encourages the register allocator to use a traditional
3710         FPR instead of a GPR.  For movsd, order the stores so that the GPR
3711         store comes before the VSX stores to allow the power6 to work.
3712         This is due to the power6 not having a 32-bit integer store
3713         instruction from a FPR.
3714         (movsf_hardfloat): Likewise.
3715         (movsd_hardfloat): Likewise.
3716
3717 2017-05-09  Martin Sebor  <msebor@redhat.com>
3718
3719         PR translation/80280
3720         * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
3721         added in r247778.
3722
3723         PR translation/80280
3724         * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
3725         data member added in r247778.
3726         (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.
3727
3728 2017-05-09  Nathan Sidwell  <nathan@acm.org>
3729
3730         * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.
3731
3732         * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
3733         typedefs.
3734
3735 2017-05-09  Marek Polacek  <polacek@redhat.com>
3736
3737         * doc/invoke.texi: Fix typo.
3738
3739 2017-05-09  Richard Biener  <rguenther@suse.de>
3740
3741         * tree-vrp.c (vrp_val_is_max): Adjust comment.
3742         (vrp_val_is_min): Likewise.
3743         (set_value_range_to_value): Likewise.
3744         (set_value_range_to_nonnegative): Likewise.
3745         (gimple_assign_nonzero_p): Likewise.
3746         (gimple_stmt_nonzero_p): Likewise.
3747         (vrp_int_const_binop): Likewise.  Remove unreachable case.
3748         (adjust_range_with_scev): Adjust comments.
3749         (compare_range_with_value): Likewise.
3750         (extract_range_from_phi_node): Likewise.
3751         (test_for_singularity): Likewise.
3752
3753 2017-05-09  Richard Biener  <rguenther@suse.de>
3754
3755         * tree-vrp.c (get_single_symbol): Add assert that we don't
3756         get overflowed constants as invariant part.
3757         (compare_values_warnv): Add comment before the TREE_NO_WARNING
3758         checks.  Use wi::cmp instead of recursing for integer constants.
3759         (compare_values): Just ignore whether we assumed undefined
3760         overflow instead of failing the compare.
3761         (extract_range_for_var_from_comparison_expr): Add comment before the
3762         TREE_NO_WARNING sets.
3763         (test_for_singularity): Likewise.
3764         (extract_range_from_comparison): Do not disable optimization
3765         when we assumed undefined overflow.
3766         (extract_range_basic): Remove init of unused var.
3767
3768 2017-05-09  Richard Biener  <rguenther@suse.de>
3769
3770         * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
3771         (extract_range_from_multiplicative_op_1): Adjust.
3772         (extract_range_from_binary_expr_1): Use int_const_binop.
3773
3774 2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3775
3776         PR target/80101
3777         * config/rs6000/power6.md: Replace store_data_bypass_p calls with
3778         rs6000_store_data_bypass_p in seven define_bypass directives and
3779         in several comments.
3780         * config/rs6000/rs6000-protos.h: Add prototype for
3781         rs6000_store_data_bypass_p function.
3782         * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
3783         function implements slightly different (rs6000-specific) semantics
3784         than store_data_bypass_p, returning false rather than aborting
3785         with assertion error when arguments do not satisfy the
3786         requirements of store data bypass.
3787         (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
3788         rs6000_store_data_bypass_p.
3789
3790 2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
3791
3792         * config/xtensa/xtensa-protos.h
3793         (xtensa_initial_elimination_offset): New declaration.
3794         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
3795         New function. Move its body from the INITIAL_ELIMINATION_OFFSET
3796         macro definition, add case for FRAME_POINTER_REGNUM when
3797         FRAME_GROWS_DOWNWARD.
3798         * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
3799         (INITIAL_ELIMINATION_OFFSET): Replace body with call to
3800         xtensa_initial_elimination_offset.
3801
3802 2017-05-08  Nathan Sidwell  <nathan@acm.org>
3803
3804         * doc/invoke.texi: Alphabetize -fdump options.
3805
3806 2017-05-08  Martin Sebor  <msebor@redhat.com>
3807
3808         PR translation/80280
3809         * config/sol2-c.c (solaris_pragma_align): Correct quoting.
3810
3811 2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3812
3813         * target.def (compute_frame_layout): New optional target hook.
3814         * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
3815         * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
3816         * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
3817         target hook.
3818         * reload1.c (verify_initial_elim_offsets): Likewise.
3819         * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
3820         (use_simple_return_p): Call arm_compute_frame_layout if needed.
3821         (arm_get_frame_offsets): Split up into this ...
3822         (arm_compute_frame_layout): ... and this function.
3823
3824 2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>
3825
3826         * config/aarch64/constraints.md (Usa): New constraint.
3827         * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.
3828
3829 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3830
3831         * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
3832         with_multilib_list after it has been checked.
3833
3834 2017-05-08  Richard Biener  <rguenther@suse.de>
3835
3836         * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
3837         (bitmap_set_subtract_values): Likewise.
3838
3839 2017-05-08  Richard Biener  <rguenther@suse.de>
3840
3841         * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
3842         (gimple_assign_nonzero): ... this and remove strict_overflow_p
3843         argument.
3844         (gimple_stmt_nonzero_warnv_p): Rename to ...
3845         (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
3846         argument.
3847         (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
3848         (extract_range_basic): Adjust, do not disable propagation on
3849         strict overflow sensitive simplification.
3850         (vrp_visit_cond_stmt): Likewise.
3851
3852 2017-05-05  Jan Hubicka  <hubicka@ucw.cz>
3853
3854         * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
3855         body size unconditionally.
3856
3857 2017-05-07  Jeff Law  <law@redhat.com>
3858
3859         Revert:
3860         2017-05-06  Jeff Law  <law@redhat.com>
3861         PR tree-optimization/78496
3862         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
3863         code.
3864
3865         PR tree-optimization/78496
3866         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
3867         (simplify_stmt_using_ranges): Call it.
3868         (vrp_dom_walker::before_dom_children): Extract equivalences
3869         from an ASSERT_EXPR with an equality comparison against a
3870         constant.
3871
3872 2017-05-06  Jeff Law  <law@redhat.com>
3873
3874         PR tree-optimization/78496
3875         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
3876         code.
3877
3878         PR tree-optimization/78496
3879         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
3880         (simplify_stmt_using_ranges): Call it.
3881         (vrp_dom_walker::before_dom_children): Extract equivalences
3882         from an ASSERT_EXPR with an equality comparison against a
3883         constant.
3884
3885 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
3886
3887         * lra-constraints.c (lra_copy_reg_equiv): New function.
3888         (split_reg): Use it to copy equivalence information from the
3889         original register to the spill register.
3890
3891 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
3892
3893         PR rtl-optimization/75964
3894         * simplify-rtx.c (simplify_const_relational_operation): Remove
3895         invalid handling of comparisons of integer ABS.
3896
3897 2017-05-06  Uros Bizjak  <ubizjak@gmail.com>
3898
3899         * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
3900         initialize to zero.
3901         (init_regs): Remove declaration.
3902         (function_arg_advance_32): Initialize error_p as boolean variable.
3903
3904 2017-05-05  Nathan Sidwell  <nathan@acm.org>
3905
3906         * store-motion.c (remove_reachable_equiv_notes): Reformat long
3907         lines.  Use for (;;).
3908
3909 2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3910
3911         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
3912         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
3913         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
3914         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
3915         VF=2 that require versioning.
3916
3917 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3918
3919         * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
3920         int.
3921
3922 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3923
3924         * diagnostic.h (diagnostic_override_option_index): Convert from
3925         macro to inline function.
3926
3927 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3928
3929         * diagnostic.c (last_module_changed_p): New function.
3930         (set_last_module): New function.
3931         (diagnostic_report_current_module): Convert macro usage to
3932         the above functions.
3933         * diagnostic.h (diagnostic_context::last_module): Strengthen
3934         from const line_map * to const line_map_ordinary *.
3935         (diagnostic_last_module_changed): Delete macro.
3936         (diagnostic_set_last_module): Delete macro.
3937
3938 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3939
3940         * diagnostic.c (diagnostic_impl): Replace report_diagnostic
3941         with diagnostic_report_diagnostic.
3942         (diagnostic_n_impl_richloc): Likewise.
3943         * diagnostic.h (report_diagnostic): Delete macro.
3944         * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
3945         with diagnostic_report_diagnostic.
3946         * substring-locations.c (format_warning_va): Likewise.
3947
3948 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3949
3950         * diagnostic.c (diagnostic_report_diagnostic): Eliminate
3951         save/restor of format_spec.  Move option-printing code to...
3952         (print_option_information): ...this new function, and
3953         reimplement by simply printing to the pretty_printer,
3954         rather than appending to the format string.
3955
3956 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3957
3958         * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
3959         handling logic into...
3960         (update_effective_level_from_pragmas): ...this new function.
3961
3962 2017-05-04  Andrew Waterman  <andrew@sifive.com>
3963
3964         * config/riscv/riscv.opt (mstrict-align): New option.
3965         * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
3966         (SLOW_UNALIGNED_ACCESS): Define.
3967         (riscv_slow_unaligned_access): Declare.
3968         * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
3969         field.
3970         (riscv_slow_unaligned_access): New variable.
3971         (rocket_tune_info): Set slow_unaligned_access to true.
3972         (optimize_size_tune_info): Set slow_unaligned_access to false.
3973         (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
3974         (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
3975         (riscv_option_override): Set riscv_slow_unaligned_access.
3976         * doc/invoke.texi: Add -mstrict-align to RISC-V.
3977
3978 2017-05-04  Kito Cheng  <kito.cheng@gmail.com>
3979
3980         * config/riscv/riscv.md: Unify indentation.
3981
3982 2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
3983
3984         PR target/79038
3985         PR target/79202
3986         PR target/79203
3987         * config/rs6000/rs6000.md (u code attribute): Add FIX and
3988         UNSIGNED_FIX.
3989         (extendsi<mode>2): Add support for doing sign extension via
3990         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
3991         don't have ISA 3.0 instructions.
3992         (extendsi<mode>2 splitter): Likewise.
3993         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
3994         generate the normal insns since SImode can now go in vector
3995         registers.  Disallow the special UNSPECs needed for previous
3996         machines to hide SImode being used.  Add new insns
3997         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
3998         (fix_trunc<mode>si2_stfiwx): Likewise.
3999         (fix_trunc<mode>si2_internal): Likewise.
4000         (fixuns_trunc<mode>si2): Likewise.
4001         (fixuns_trunc<mode>si2_stfiwx): Likewise.
4002         (fctiw<u>z_<mode>_smallint): Likewise.
4003         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
4004         of floating point to 32-bit integer from doing a direct move to
4005         the GPR registers to do a store.
4006         (fctiwz_<mode>): Break long line.
4007
4008 2017-05-05  Bin Cheng  <bin.cheng@arm.com>
4009
4010         * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
4011         * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
4012         (addr_list, addr_offset_valid_p): New.
4013         (split_address_groups): Check offset validity with above function.
4014         (gt-tree-ssa-loop-ivopts.h): Include header file.
4015
4016 2017-05-05  Nathan Sidwell  <nathan@acm.org>
4017
4018         * config.gcc (arm*-*-*): Add missing 'fi'.
4019
4020 2017-05-05  Steve Ellcey  <sellcey@cavium.com>
4021
4022         * doc/invoke.texi (-fopt-info): Explicitly say order of options
4023         included in -fopt-info does not matter.
4024         * doc/optinfo.texi (-fopt-info): Fix description of default
4025         behavour. Explicitly say order of options included in -fopt-info
4026         does not matter.
4027
4028 2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4029
4030         * config.gcc: Allow combinations of aprofile and rmprofile values for
4031         --with-multilib-list.
4032         * config/arm/t-multilib: New file.
4033         * config/arm/t-aprofile: Remove initialization of MULTILIB_*
4034         variables.  Remove setting of ISA and floating-point ABI in
4035         MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
4036         MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
4037         and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
4038         matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
4039         CPU options.
4040         * config/arm/t-rmprofile: Likewise except for the matches changes.
4041         * doc/install.texi (--with-multilib-list): Document the combination of
4042         aprofile and rmprofile values and warn about pitfalls in doing that.
4043
4044 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
4045
4046         * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
4047         (movdi_aarch64): Likewise.
4048
4049 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
4050
4051         PR tree-optimization/80632
4052         * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
4053         field.
4054         (build_arrays): Initialize it for virtual phis.
4055         (fix_phi_nodes): Use it for virtual phis.
4056
4057         PR tree-optimization/80558
4058         * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
4059         [x, y] op z into [x op, y op z] for op & or | if conditions
4060         are met.
4061
4062 2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4063             Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
4064
4065         PR target/71607
4066         * config/arm/arm.md (use_literal_pool): Remove.
4067         (64-bit immediate split): No longer takes cost into consideration
4068         if arm_disable_literal_pool is enabled.
4069         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
4070         used when arm_disable_literal_pool is enabled.
4071         (arm_max_const_double_inline_cost): Remove use of
4072         arm_disable_literal_pool.
4073         (push_minipool_fix): Add assert.
4074         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
4075         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
4076         (no_literal_pool_sf_immediate): New.
4077
4078 2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4079
4080         PR tree-optimization/80613
4081         * tree-ssa-dce.c (propagate_necessity): Remove cases for
4082         BUILT_IN_STRDUP and BUILT_IN_STRNDUP.
4083
4084 2017-05-05  Richard Biener  <rguenther@suse.de>
4085
4086         * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.
4087
4088 2017-05-05  Georg-Johann Lay  <avr@gjlay.de>
4089
4090         * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
4091         of this flag from insn conditions due to removal from r247495.
4092
4093 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
4094
4095         * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
4096         New function.
4097         (arm_early_store_addr_dep_ptr): Likewise.
4098         * config/arm/aarch-common-protos.h
4099         (arm_early_load_addr_dep_ptr): Add prototype.
4100         (arm_early_store_addr_dep_ptr): Likewise.
4101         * config/arm/cortex-a53.md: Add new bypasses.
4102
4103 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
4104
4105         * tree.c (next_type_uid): Change type to unsigned.
4106         (type_hash_canon): Decrement back next_type_uid if
4107         freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
4108         also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
4109         if possible.
4110
4111 2017-05-04  Martin Sebor  <msebor@redhat.com>
4112
4113         * builtins.c: Fix a trivial typo in a comment.
4114
4115         PR middle-end/79234
4116         * builtins.c (check_sizes): Adjust to handle reading past the end.
4117         Avoid printing excessive upper bound of ranges.  Use %E to print
4118         tree nodes instead of converting them to %wu.
4119         (expand_builtin_memchr): New function.
4120         (compute_dest_size): Rename...
4121         (compute_objsize): ...to this.
4122         (expand_builtin_memcpy): Adjust.
4123         (expand_builtin_mempcpy): Adjust.
4124         (expand_builtin_strcat): Adjust.
4125         (expand_builtin_strcpy): Adjust.
4126         (check_strncat_sizes): Adjust.
4127         (expand_builtin_strncat): Adjust.
4128         (expand_builtin_strncpy): Adjust and simplify.
4129         (expand_builtin_memset): Adjust.
4130         (expand_builtin_bzero): Adjust.
4131         (expand_builtin_memcmp): Adjust.
4132         (expand_builtin): Handle memcmp.
4133         (maybe_emit_chk_warning): Check strncat just once.
4134
4135 2017-05-04  Martin Sebor  <msebor@redhat.com>
4136
4137         PR preprocessor/79214
4138         PR middle-end/79222
4139         PR middle-end/79223
4140         * builtins.c (check_sizes): Add inlining context and issue
4141         warnings even when -Wno-system-headers is set.
4142         (check_strncat_sizes): Same.
4143         (expand_builtin_strncat): Same.
4144         (expand_builtin_memmove): New function.
4145         (expand_builtin_stpncpy): Same.
4146         (expand_builtin): Handle memmove and stpncpy.
4147
4148 2017-05-04  Bin Cheng  <bin.cheng@arm.com>
4149
4150         * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
4151         which is not used any more.
4152
4153 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
4154
4155         * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.
4156
4157 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
4158
4159         * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
4160         (cortexa53_tunings): Likewise.
4161         (cortexa57_tunings): Likewise.
4162         (cortexa72_tunings): Likewise.
4163         (cortexa73_tunings): Likewise.
4164
4165 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
4166
4167         * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
4168         Set loop alignment to 8.
4169
4170 2017-05-04  Martin Sebor  <msebor@redhat.com>
4171
4172         PR translation/80280
4173         * builtins.c (expand_builtin_object_size): Add missing quoting to
4174         %D and like directives.
4175         * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
4176         (hsa_type_for_tree_type): Same.
4177         (verify_function_arguments): Same.
4178         * symtab.c (symbol_table::change_decl_assembler_name): Same.
4179         * varasm.c (get_section): Same.
4180         (mark_weak): Same.
4181
4182 2017-05-04  Martin Sebor  <msebor@redhat.com>
4183
4184         PR translation/80280
4185         * config/i386/i386.c (ix86_function_versions): Quote a %D directive.
4186
4187 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
4188
4189         * config/aarch64/aarch64.c (generic_addrcost_table):
4190         Change HI/TI mode setting.
4191
4192 2017-05-04  Martin Jambor  <mjambor@suse.cz>
4193
4194         PR tree-optimization/80622
4195         * tree-sra.c (comes_initialized_p): New function.
4196         (build_accesses_from_assign): Only set write lazily when
4197         comes_initialized_p is false.
4198         (analyze_access_subtree): Use comes_initialized_p.
4199         (propagate_subaccesses_across_link): Assert !comes_initialized_p
4200         instead of testing for PARM_DECL.
4201
4202 2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4203
4204         * config/aarch64/aarch64.md (prefetch); Adjust predicate and
4205         constraint on operand 0 to allow more general addressing modes.
4206         Adjust output template.
4207         * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
4208         New function.
4209         * config/aarch64/aarch64-protos.h
4210         (aarch64_address_valid_for_prefetch_p): Declare prototype.
4211         * config/aarch64/constraints.md (Dp): New address constraint.
4212         * config/aarch64/predicates.md (aarch64_prefetch_operand): New
4213         predicate.
4214
4215 2017-05-04  Jan Hubicka  <hubicka@ucw.cz>
4216
4217         * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
4218         update use of estimate_ipcp_clone_size_and_time.
4219         (estimate_local_effects): Update use of
4220         estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
4221         * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
4222         * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
4223         Return nonspecialized time.
4224
4225 2017-05-04  Richard Biener  <rguenther@suse.de>
4226
4227         * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
4228         for the last VUSE which def dominates the PHI.  Directly call
4229         maybe_skip_until.
4230         (get_continuation_for_phi_1): Remove.
4231
4232 2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>
4233
4234         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
4235         to explain the use of truncating division.  Cap the number of
4236         iterations to the maximum given by nb_iterations_upper_bound,
4237         if defined.
4238
4239 2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4240
4241         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
4242         * configure: Regenerate.
4243         * config.in: Regenerate.
4244         * config/i386/driver-mingw32.c: new file.
4245         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
4246         * config.host: Link driver-mingw32.o on MinGW host.
4247         * doc/install.texi: Document new --enable-mingw-wildcard configure
4248         option.
4249
4250 2017-05-04  Marek Polacek  <polacek@redhat.com>
4251
4252         PR tree-optimization/80612
4253         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
4254
4255 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
4256             Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
4257
4258         * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
4259         (movt splitter): Likewise.
4260         * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
4261         to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
4262         (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
4263         block for Thumb-1 with MOVT.
4264         (thumb2_legitimate_address_p): Move code block ...
4265         (can_avoid_literal_pool_for_label_p): ... into this new function.
4266         (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
4267         literal pool.
4268         (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
4269         * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
4270         "M-profile targets with the MOVT instruction".
4271
4272 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
4273
4274         * gcc/config/arm/arm-builtins.c (arm_init_builtins): Rename
4275         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
4276         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
4277
4278 2017-05-04  Martin Liska  <mliska@suse.cz>
4279
4280         * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
4281         variable cond_code.
4282
4283 2017-05-04  Richard Biener  <rguenther@suse.de>
4284
4285         * tree.c (array_at_struct_end_p): Handle arrays at struct
4286         end with flexarrays more conservatively.  Refactor and treat
4287         arrays of arrays or aggregates more strict.  Fix
4288         VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
4289         * tree.c (array_at_struct_end_p): Adjust prototype.
4290         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
4291         * gimple-fold.c (get_range_strlen): Likewise.
4292         * tree-chkp.c (chkp_may_narrow_to_field): Likewise.
4293
4294 2017-05-04  Richard Biener  <rguenther@suse.de>
4295
4296         PR tree-optimization/31130
4297         * tree-vrp.c (needs_overflow_infinity): Remove as always returning
4298         false.
4299         (supports_overflow_infinity): Likewise.
4300         (is_negative_overflow_infinity): Likewise.
4301         (is_positive_overflow_infinity): Likewise.
4302         (is_overflow_infinity): Likewise.
4303         (stmt_overflow_infinity): Likewise.
4304         (overflow_infinity_range_p): Likewise.
4305         (usable_range_p): Remove as always returning true.
4306         (make_overflow_infinity): Remove.
4307         (negative_overflow_infinity): Likewise.
4308         (positive_overflow_infinity): Likewise.
4309         (avoid_overflow_infinity): Likewise.
4310         (set_value_range): Adjust accordingly.
4311         (set_value_range_to_nonnegative): Likewise, remove now unused
4312         overflow_infinity arg.
4313         (vrp_operand_equal_p): Adjust.
4314         (update_value_range): Likewise.
4315         (range_int_cst_singleton_p): Likewise.
4316         (operand_less_p): Likewise.
4317         (compare_values_warnv): Likewise.
4318         (extract_range_for_var_from_comparison_expr): Likewise.
4319         (vrp_int_const_binop): Likewise.
4320         (zero_nonzero_bits_from_vr): Likewise.
4321         (extract_range_from_multiplicative_op_1): Likewise.
4322         (extract_range_from_binary_expr_1): Likewise.
4323         (extract_range_from_unary_expr): Likewise.
4324         (extract_range_from_comparison): Likewise.
4325         (extract_range_basic): Likewise.
4326         (adjust_range_with_scev): Likewise.
4327         (compare_ranges): Likewise.
4328         (compare_range_with_value): Likewise.
4329         (dump_value_range): Likewise.
4330         (test_for_singularity): Likewise, remove strict_overflow_p parameter
4331         never used.
4332         (simplify_cond_using_ranges): Adjust.
4333
4334 2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
4335
4336         * brig-builtins.def: Added a builtin for class_f64.
4337         * builtin-types.def: Added a builtin type needed by class_f64.
4338
4339 2017-05-03  Jason Merrill  <jason@redhat.com>
4340
4341         * timevar.def: Add TV_CONSTEXPR.
4342
4343 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
4344
4345         * common.opt (fdiagnostics-parseable-fixits): Fix typo.
4346
4347 2017-05-03  Martin Jambor  <mjambor@suse.cz>
4348
4349         * ipa-prop.c (ipa_update_after_lto_read): Removed.
4350         * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
4351         * ipa-cp.c (ipcp_propagate_stage): Do not call
4352         ipa_update_after_lto_read.
4353         * ipa-inline.c (ipa_inline): Likewise.
4354
4355 2017-05-03  Martin Jambor  <mjambor@suse.cz>
4356
4357         * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
4358         tag.  Added a default constructor and a destructor.
4359         (ipa_edge_args_sum_t): New class;
4360         (ipa_edge_args_sum): Declare.
4361         (ipa_edge_args_vector): Remove declaration.
4362         (IPA_EDGE_REF): Use ipa_edge_args_sum.
4363         (ipa_free_edge_args_substructures): Remove declaration.
4364         (ipa_check_create_edge_args): Use ipa_edge_args_sum.
4365         (ipa_edge_args_info_available_for_edge_p): Likewise.
4366         * ipa-prop.c (ipa_edge_args_vector): Removed.
4367         (edge_removal_hook_holder): Likewise.
4368         (edge_duplication_hook_holder): Likewise.
4369         (ipa_edge_args_sum): New variable.
4370         (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
4371         ipa_edge_args_vector.
4372         (ipa_free_edge_args_substructures): Likewise.
4373         (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
4374         ipa_edge_args_vector.
4375         (ipa_edge_removal_hook): Turned into method
4376         ipa_edge_args_sum_t::remove.
4377         (ipa_edge_duplication_hook): Turned into method
4378         ipa_edge_args_sum_t::duplicate.
4379         (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
4380         registering edge hooks.
4381         (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
4382         * ipa-inline-analysis.c (estimate_function_body_sizes): Test
4383         ipa_edge_args_sum instead of ipa_edge_args_vector.
4384         * ipa-profile.c (ipa_profile): Likewise.
4385
4386 2017-05-03  Martin Jambor  <mjambor@suse.cz>
4387
4388         * symbol-summary.h (function_summary): New method exists.
4389         (function_summary::symtab_removal): Deallocate through release.
4390         (call_summary): New class.
4391         (gt_ggc_mx): New overload.
4392         (gt_pch_nx): Likewise.
4393         (gt_pch_nx): Likewise.
4394
4395 2017-05-03  Jeff Law  <law@redhat.com>
4396
4397         PR tree-optimization/78496
4398         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
4399         from simplify_cond_using_ranges.  Split off code to walk
4400         backwards through casts into ...
4401         (simplify_cond_using_ranges_2): New function.
4402         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
4403         (execute_vrp): After identifying jump threads, call
4404         simplify_cond_using_ranges_2.
4405
4406 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
4407
4408         PR bootstrap/80609
4409         * ipa-inline.h (inline_summary): Add ctor.
4410         (create_ggc): Do not use ggc_cleared_alloc.
4411
4412 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
4413             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4414
4415         * gcc.c (handle_braces): Support escaping in switch matching
4416         text.
4417         * doc/invoke.texi (Spec Files): Document it.
4418         Remove superfluous @code markup in items.
4419
4420 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
4421
4422         * diagnostic-show-locus.c (struct column_range): New struct.
4423         (get_affected_columns): New function.
4424         (get_printed_columns): New function.
4425         (struct correction): New struct.
4426         (correction::ensure_capacity): New function.
4427         (correction::ensure_terminated): New function.
4428         (struct line_corrections): New struct.
4429         (line_corrections::~line_corrections): New dtor.
4430         (line_corrections::add_hint): New function.
4431         (layout::print_trailing_fixits): Reimplement in terms of the new
4432         classes.
4433         (selftest::test_overlapped_fixit_printing): New function.
4434         (selftest::diagnostic_show_locus_c_tests): Call it.
4435
4436 2017-05-03  Nathan Sidwell  <nathan@acm.org>
4437
4438         Canonicalize canonical type hashing
4439         * tree.h (type_hash_canon_hash): Declare.
4440         * tree.c (type_hash_list, attribute_hash_list): Move into
4441         type_hash_canon_hash.
4442         (build_type_attribute_qual_variant): Break out hash code calc into
4443         type_hash_canon_hash.
4444         (type_hash_canon_hash): New.  Generic type hash computation.
4445         (build_range_type_1, build_array_type_1, build_function_type,
4446         build_method_type_directly, build_offset_type, build_complex_type,
4447         make_vector_type): Call it.
4448
4449 2017-05-03  Richard Biener  <rguenther@suse.de>
4450
4451         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
4452         When all DRs have unknown misaligned do not always peel
4453         when there is a store but apply the same costing model as if
4454         there were only loads.
4455
4456 2017-05-03  Richard Biener  <rguenther@suse.de>
4457
4458         Revert
4459         PR tree-optimization/80492
4460         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
4461         compare_base_decls returning dont-know properly.
4462
4463 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4464
4465         * config/arm/iterators.md (CCSI): New mode iterator.
4466         (arch): New mode attribute.
4467         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
4468         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
4469         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
4470         code iterator for success result mode.
4471         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
4472         the corresponding new insn generators.
4473
4474 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
4475
4476         Revert r247509
4477         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4478         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
4479
4480 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
4481
4482         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
4483         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
4484         (DDR_A): Wrap DDR argument in brackets.
4485         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
4486         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
4487         (DDR_REVERSED_P): Likewise.
4488
4489 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
4490
4491         PR tree-optimization/79472
4492         * tree-switch-conversion.c (struct switch_conv_info): Add
4493         contiguous_range and default_case_nonstandard fields.
4494         (collect_switch_conv_info): Compute contiguous_range and
4495         default_case_nonstandard fields, don't clear final_bb if
4496         contiguous_range and only the default case doesn't have the required
4497         structure.
4498         (check_all_empty_except_final): Set default_case_nonstandard instead
4499         of failing if contiguous_range and the default case doesn't have empty
4500         block.
4501         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
4502         and only the default case doesn't have the required constants.  Skip
4503         virtual phis.
4504         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
4505         if default_case_nonstandard.
4506         (build_constructors): Build constant 1 just once.  Assert that default
4507         values aren't inserted in between cases if contiguous_range.  Skip
4508         virtual phis.
4509         (build_arrays): Skip virtual phis.
4510         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
4511         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
4512         Handle virtual phis.
4513         (gen_inbound_check): Handle default_case_nonstandard case.
4514         (process_switch): Adjust check_final_bb caller.  Call
4515         gather_default_values with the first non-default case instead of
4516         default case if default_case_nonstandard.
4517
4518 2017-05-02  Nathan Sidwell  <nathan@acm.org>
4519
4520         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
4521         check.  Fix formatting.
4522
4523 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
4524
4525         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
4526         errors when comparing specialized and unspecialized times.
4527
4528 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
4529
4530         * diagnostic-show-locus.c
4531         (layout::should_print_annotation_line_p): Make private.
4532         (layout::print_annotation_line): Make private.
4533         (layout::annotation_line_showed_range_p): Make private.
4534         (layout::show_ruler): Make private.
4535         (layout::print_source_line): Make private.  Pass in line and
4536         line_width, rather than calling location_get_source_line.  Drop
4537         returned value.
4538         (layout::print_leading_fixits): New method.
4539         (layout::print_any_fixits): Rename to...
4540         (layout::print_trailing_fixits): ...this, and make private.
4541         Don't print newline fixits.
4542         (diagnostic_show_locus): Move logic for printing one row into...
4543         (layout::print_line): ...this new function.  Move the
4544         location_get_source_line call and error-handling from
4545         print_source_line to here.  Call print_leading_fixits, and rename
4546         print_any_fixits to print_trailing_fixits.
4547         (selftest::test_fixit_insert_containing_newline): Update now that
4548         newlines are partially supported.
4549         (selftest::test_fixit_insert_containing_newline_2): New test.
4550         (selftest::test_fixit_replace_containing_newline): Update comments.
4551         (selftest::diagnostic_show_locus_c_tests): Call the new test.
4552         * edit-context.c (class added_line): New class.
4553         (class edited_line): Describe newline handling in comment.
4554         (edited_line::actually_edited_p): New method.
4555         (edited_line::print_content): Delete redundant decl.
4556         (edited_line::m_predecessors): New field.
4557         (edited_file::print_content): Call edited_line::print_content.
4558         (edited_file::print_diff): Update to support newlines.
4559         (edited_file::print_diff_hunk): Likewise.
4560         (edited_file::print_run_of_changed_lines): New function.
4561         (edited_file::print_diff_line): Convert to...
4562         (print_diff_line): ...this.
4563         (edited_file::get_effective_line_count): New function.
4564         (edited_line::edited_line): Initialize new field m_predecessors.
4565         (edited_line::~edited_line): Clean up m_predecessors.
4566         (edited_line::apply_fixit): Handle newlines.
4567         (edited_line::get_effective_line_count): New function.
4568         (edited_line::print_content): New function.
4569         (edited_line::print_diff_lines): New function.
4570         (selftest::test_applying_fixits_insert_containing_newline): New
4571         test.
4572         (selftest::test_applying_fixits_replace_containing_newline): New
4573         test.
4574         (selftest::insert_line): New function.
4575         (selftest::test_applying_fixits_multiple_lines): Add example of
4576         inserting a line.
4577         (selftest::edit_context_c_tests): Call the new tests.
4578
4579 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4580
4581         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
4582         parameter cand.  Update dump information.
4583         (get_computation_cost): Update uses.
4584
4585 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4586
4587         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
4588         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
4589         (get_computation_at, rewrite_use_address): Update use of
4590         get_computation_aff.
4591
4592 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4593
4594         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
4595         (get_computation): Delete.
4596         (get_computation_cost): Implement like get_computation_cost_at.
4597         Use get_computation_at.
4598         (get_computation_cost_at): Delete.
4599         (rewrite_use_nonlinear_expr): Use get_computation_at.
4600         (rewrite_use_compare, remove_unused_ivs): Ditto.
4601
4602 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4603
4604         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
4605
4606 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4607
4608         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
4609         (ivopts_global_cost_for_size): Rename parameter and update uses.
4610         (iv_ca_recount_cost): Update uses.
4611         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
4612         candidates seperately in n_invs and n_cands.
4613         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
4614
4615 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4616
4617         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
4618         (find_inv_vars_cb): New.
4619         (find_depends): Renamed to ...
4620         (find_inv_vars): ... this.
4621         (add_candidate_1, force_var_cost): Call find_inv_vars.
4622         (split_address_cost, determine_group_iv_cost_cond): Ditto.
4623
4624 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4625
4626         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
4627         inv_vars.  Add inv_exprs.
4628         (struct iv_cand): Rename depends_on to inv_vars.
4629         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
4630         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
4631         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
4632         (dump_cand): Dump inv_vars.
4633         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
4634         (record_invariant, find_depends, add_candidate_1): Ditto.
4635         (set_group_iv_cost, force_var_cost): Ditto.
4636         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
4637         (get_computation_cost_at, get_computation_cost): Ditto.
4638         (determine_group_iv_cost_generic): Ditto.
4639         (determine_group_iv_cost_address): Ditto.
4640         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
4641         (determine_group_iv_costs): Ditto.
4642         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
4643         (iv_ca_set_remove_invariants): Renamed to ...
4644         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
4645         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
4646         (iv_ca_set_add_invariants):  Renamed to ...
4647         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
4648         (iv_ca_set_cp): Use iv_ca_set_add_invs.
4649         (iv_ca_has_deps): Support inv_vars and inv_exprs.
4650         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
4651         (create_new_ivs): Remove useless dump.
4652
4653 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4654
4655         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
4656         iv_cand code.
4657         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
4658         (iv_ca_set_no_cp, create_new_iv): Ditto.
4659
4660 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4661
4662         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
4663
4664 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
4665
4666         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
4667         function tree_check2.
4668
4669 2017-05-02  Martin Liska  <mliska@suse.cz>
4670
4671         * doc/gcov.texi: Add missing preposition.
4672         * gcov.c (function_info::function_info): Properly fill up
4673         all member variables.
4674
4675 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
4676
4677         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
4678
4679 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
4680
4681         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
4682
4683 2017-05-02  Martin Liska  <mliska@suse.cz>
4684
4685         PR lto/77954.
4686         * lto-streamer-in.c (lto_read_tree_1): Remove
4687         LTO_STREAMER_DEBUG.
4688         * lto-streamer.c (struct tree_hash_entry): Likewise.
4689         (struct tree_entry_hasher): Likewise.
4690         (tree_entry_hasher::hash): Likewise.
4691         (tree_entry_hasher::equal): Likewise.
4692         (lto_streamer_init): Likewise.
4693         (lto_orig_address_map): Likewise.
4694         (lto_orig_address_get): Likewise.
4695         (lto_orig_address_remove): Likewise.
4696         * lto-streamer.h: Likewise.
4697         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
4698         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
4699
4700 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
4701
4702         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
4703         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
4704         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
4705         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
4706         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
4707         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
4708         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
4709         (mm_maskz_sub_ss): New intrinsics.
4710         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
4711         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
4712         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
4713         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
4714         (__builtin_ia32_subss_mask_round): New builtins.
4715         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
4716         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
4717         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
4718         Renamed to ...
4719         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
4720         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
4721         Changed to ...
4722         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
4723         ... this.
4724
4725 2017-05-02  Martin Jambor  <mjambor@suse.cz>
4726
4727         PR tree-optimization/78687
4728         * tree-sra.c (access): New field parent.
4729         (process_subtree_disqualification): New function.
4730         (disqualify_candidate): Call it.
4731         (build_accesses_from_assign): Reset write flag if creating an
4732         assighnment link.
4733         (build_access_subtree): Fill in parent field and also prpagate
4734         down grp_write flag.
4735         (create_artificial_child_access): New parameter set_grp_write, set
4736         grp_write to its value.
4737         (propagate_subaccesses_across_link): Also propagate grp_write flag
4738         values.
4739         (propagate_all_subaccesses): Push the closest parent back to work
4740         queue if add_access_to_work_queue returned true.
4741
4742 2017-05-02  Richard Biener  <rguenther@suse.de>
4743
4744         * common.opt (fstrict-overflow): Alias negative to fwrapv.
4745         * doc/invoke.texi (fstrict-overflow): Remove all traces of
4746         -fstrict-overflow documentation.
4747         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
4748         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
4749         flag_strict_overflow.
4750         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
4751         * lto-opts.c (lto_write_options): Do not stream it.
4752         * lto-wrapper.c (merge_and_complain): Do not handle it.
4753         * opts.c (default_options_table): Do not set -fstrict-overflow.
4754         (finish_options): Likewise do not clear it when sanitizing.
4755         * simplify-rtx.c (simplify_const_relational_operation): Do not
4756         test flag_strict_overflow.
4757
4758 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
4759
4760         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
4761         using enabled attribute.
4762         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
4763         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
4764         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
4765         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
4766         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
4767         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
4768         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
4769         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
4770         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
4771         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
4772
4773 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
4774
4775         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
4776
4777 2017-05-02  Richard Biener  <rguenther@suse.de>
4778
4779         PR tree-optimization/80591
4780         Revert
4781         2017-04-10  Richard Biener  <rguenther@suse.de>
4782
4783         * tree-ssa-structalias.c (find_func_aliases): Properly handle
4784         asm inputs.
4785
4786 2017-05-02  Richard Biener  <rguenther@suse.de>
4787
4788         PR tree-optimization/80549
4789         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
4790         (cleanup_tree_cfg_noloop): Create forwarders to known loop
4791         headers if they do not have a preheader.
4792
4793 2017-05-02  Martin Liska  <mliska@suse.cz>
4794
4795         PR other/80589
4796         * common.opt: Fix typo.
4797         * doc/invoke.texi: Likewise.
4798
4799 2017-05-01  Jan Beulich  <jbeulich@suse.com>
4800
4801         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
4802         swapping, add (x,x,m,x,n) alternative.
4803
4804 2017-05-01  Nathan Sidwell  <nathan@acm.org>
4805
4806         * calls.c (combine_pending_stack_adjustment_and_call): Remove
4807         unnecessary unadjusted_alignment check.
4808
4809 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
4810
4811         PR c++/80038
4812         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
4813         operations here.
4814         * gimplify.c (gimplify_cilk_detach): New function.
4815         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
4816         * tree-core.h: Document EXPR_CILK_SPAWN.
4817         * tree.h (EXPR_CILK_SPAWN): Define.
4818
4819 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
4820
4821         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
4822         to use new fixit_hint representation, using the "replace" logic.
4823         (get_line_span_for_fixit_hint): Likewise.
4824         (layout::print_any_fixits): Likewise.
4825         (selftest::test_one_liner_many_fixits): Rename to...
4826         (selftest::test_one_liner_many_fixits_1): ...this, and update
4827         comment and expected output to reflect that the multiple fix-it
4828         hints are now consolidated into one insertion.
4829         (selftest::test_one_liner_many_fixits_2): New test.
4830         (selftest::test_diagnostic_show_locus_one_liner): Update for
4831         above.
4832         (selftest::test_fixit_consolidation): Update for fix-it API
4833         change.
4834         * diagnostic.c (print_parseable_fixits): Likewise.
4835         * edit-context.c (edited_line::m_line_events): Convert from
4836         auto_vec <line_event *> to auto_vec <line_event>.
4837         (class line_event): Convert from abstract base class to a concrete
4838         class, taking over the role of replace_event.
4839         (class insert_event): Delete.
4840         (class replace_event): Rename to class line_event.  Convert to
4841         half-open range.
4842         (edit_context::add_fixits): Reimplement.
4843         (edit_context::apply_insert): Delete.
4844         (edit_context::apply_replace): Rename to...
4845         (edit_context::apply_fixit): ...this.  Convert to half-open range.
4846         (edited_file::apply_insert): Delete.
4847         (edited_file::apply_replace): Rename to...
4848         (edited_file::apply_fixit): ...this.
4849         (edited_line::~edited_line): Drop deletion of events.
4850         (edited_line::apply_insert): Delete.
4851         (edited_line::apply_replace): Rename to...
4852         (edited_line::apply_fixit): ...this.  Convert to half-open range.
4853         Update for change to type of m_line_events.
4854         * edit-context.h (edit_context::apply_insert): Delete.
4855         (edit_context::apply_replace): Rename to...
4856         (edit_context::apply_fixit): ...this.
4857
4858 2017-05-01  Martin Sebor  <msebor@redhat.com>
4859
4860         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
4861         known.
4862
4863 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
4864
4865         PR target/68491
4866         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
4867         __get_cpuid_max returns 0.
4868         (__get_cpuid_count): Ditto.
4869
4870 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
4871
4872         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
4873         replacement expression is another instance of one of its arguments.
4874
4875 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
4876
4877         PR target/79430
4878         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
4879         check for stack push/pop autoinc.
4880         * config/i386/i386.c (ix86_agi_dependent): Return false
4881         if the only reason why modified_in_p returned true is that
4882         addr is SP based and set_insn is a push or pop.
4883
4884 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
4885
4886         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
4887         overflow check.
4888
4889 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
4890
4891         PR ipa/79224
4892         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
4893         (account_size_time): Use two predicates - exec_pred and
4894         nonconst_pred_ptr.
4895         (evaluate_conditions_for_known_args): Compute both clause and
4896         nonspec_clause.
4897         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
4898         (inline_summary_t::duplicate): Update.
4899         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
4900         separately.
4901         (compute_inline_parameters): Likewise.
4902         (estimate_edge_size_and_time): Update caluclation of time.
4903         (estimate_node_size_and_time): Compute both time and nonspecialized
4904         time.
4905         (estimate_ipcp_clone_size_and_time): Update.
4906         (inline_merge_summary): Update.
4907         (do_estimate_edge_time): Update.
4908         (do_estimate_edge_size): Update.
4909         (do_estimate_edge_hints): Update.
4910         (inline_read_section, inline_write_summary): Stream both new predicates.
4911         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
4912         as argument.
4913         (compute_inlined_call_time): Cleanup.
4914         (big_speedup_p): Update.
4915         (edge_badness): Update.
4916         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
4917         (size_time_entry): Replace predicate by exec_predicate and
4918         nonconst_predicate.
4919         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
4920         (estimate_edge_time): Return also nonspec_time.
4921         (reset_edge_growth_cache): Update.
4922
4923 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
4924
4925         PR rtl-optimization/80491
4926         * ifcvt.c (noce_process_if_block): When looking for x setter
4927         with missing else_bb, don't check only the insn right before
4928         cond_earliest, but look for the last insn that x is modified in
4929         within the same bb.
4930
4931         PR rtl-optimization/80491
4932         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
4933
4934 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
4935
4936         PR tree-optimization/80487
4937         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
4938
4939 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4940
4941         PR tree-optimization/79697
4942         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
4943         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
4944         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
4945         BUILT_IN_STRNDUP.
4946         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
4947         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
4948
4949 2017-04-28  Martin Sebor  <msebor@redhat.com>
4950
4951         PR tree-optimization/80523
4952         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
4953         (init_target_to_host_charmap, target_to_host, target_strtol10): New
4954         functions.
4955         (maybe_warn, format_directive, parse_directive): Use new functions.
4956         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
4957
4958 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
4959
4960         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
4961
4962 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4963
4964         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
4965         target_header_dir): Set correctly.
4966         * configure: Regenerated.
4967         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
4968         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
4969         instead of SYSTEM_HEADER_DIR.
4970
4971 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
4972
4973         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
4974         (estimate_local_effects): Likewise.
4975         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
4976         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
4977         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
4978         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
4979         do_estimate_edge_time, estimate_edge_time): Likewise.
4980         * ipa-inline-analysis.c (estimate_node_size_and_time,
4981         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
4982         (estimate_time_after_inlining): Remove.
4983
4984 2017-04-28  Martin Liska  <mliska@suse.cz>
4985
4986         * doc/gcov.texi: Enhance documentation of gcov.
4987
4988 2017-04-28  Martin Liska  <mliska@suse.cz>
4989
4990         * doc/gcov.texi: Sort options in alphabetic order.
4991         * doc/gcov-dump.texi: Likewise.
4992         * doc/gcov-tool.texi: Likewise.
4993         * gcov.c (print_usage): Likewise.
4994         * gcov-dump.c (print_usage): Likewise.
4995         * gcov-tool.c (print_merge_usage_message): Likewise.
4996         (print_rewrite_usage_message): Likewise.
4997         (print_overlap_usage_message): Likewise.
4998
4999 2017-04-28  Martin Liska  <mliska@suse.cz>
5000
5001         PR gcov-profile/53915
5002         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
5003
5004 2017-04-28  Martin Liska  <mliska@suse.cz>
5005
5006         PR gcov-profile/79891
5007         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
5008         is marked by compiler as living on a line.
5009         (get_cycles_count): Remove usage of the union.
5010         (output_intermediate_file): Likewise.
5011         (find_source): Fix GNU coding style.
5012         (accumulate_line_counts): Remove old non-all block mode.
5013         (output_lines): Remove usage of the union.
5014         * profile.c (output_location): Include all BBs, even if
5015         belonging to a same line (and file) as a previous BB.
5016
5017 2017-04-28  Martin Liska  <mliska@suse.cz>
5018
5019         * gcov.c (process_args): Handle new argument 'w'.
5020         (read_graph_file): Assign ID to BBs.
5021         (output_branch_count): Display BB # if verbose flag is set.
5022         (output_lines): Likewise for arcs.
5023         (print_usage): Add '--verbose' option help.
5024         * doc/gcov.texi: Document --verbose (-w) option.
5025
5026 2017-04-28  Martin Liska  <mliska@suse.cz>
5027
5028         * gcov.c (struct block_location_info): New struct.
5029         (process_file): Fill up the new structure.
5030         (read_graph_file): Replace usage of encoding by the newly added
5031         struct.
5032         (add_line_counts): Likewise.
5033         (accumulate_line_counts): Remove usage of the union.
5034         (function_info::function_info): New function.
5035         (function_info::~function_info): Likewise.
5036         (process_file): Call delete instead of release_function.
5037         (release_function): Release the function.
5038         (release_structures): Call delete instead of release_function.
5039         (solve_flow_graph): Replace usage of num_blocks.
5040         (find_exception_blocks): Likewise.
5041         (output_lines): Fix GNU coding style.
5042
5043 2017-04-28  Martin Liska  <mliska@suse.cz>
5044
5045         PR driver/56469
5046         * coverage.c (coverage_remove_note_file): New function.
5047         * coverage.h: Declare the function.
5048         * toplev.c (finalize): Clean if an error has been seen.
5049
5050 2017-04-28  Martin Liska  <mliska@suse.cz>
5051
5052         PR gcov-profile/80031
5053         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
5054         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
5055         * gcov.c (read_graph_file): Read just number of blocks.
5056         * profile.c (branch_prob): Do not stream 0 flags per a basic
5057         block.
5058
5059 2017-04-28  Martin Liska  <mliska@suse.cz>
5060
5061         * gcov-dump.c (tag_*): Add new argument to declarations.
5062         (dump_gcov_file): Likewise.
5063         (tag_blocks): Add and use new argument depth.
5064         (tag_arcs): Likewise.
5065         (tag_lines): Likewise.
5066         (tag_counters): Likewise.
5067         (tag_summary): Likewise.
5068         (dump_working_sets): Use depth to do a proper indentation.
5069
5070 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
5071
5072         PR bootstrap/80531
5073         * cgraph.h (symtab_node::debug_symtab): No longer inline.
5074         * symtab.c (symtab_node::debug_symtab): Move definition here.
5075
5076 2017-04-28  Richard Biener  <rguenther@suse.de>
5077
5078         * lto-streamer.h (LTO_major_version): Bump to 7.
5079
5080 2017-04-28  Richard Biener  <rguenther@suse.de>
5081
5082         * tree-vrp.c (assert_info): New struct.
5083         (add_assert_info): New helper.
5084         (register_edge_assert_for_2): Refactor to add asserts to a vector
5085         of assert_info.
5086         (register_edge_assert_for_1): Likewise.
5087         (register_edge_assert_for): Likewise.
5088         (finish_register_edge_assert_for): New helper actually registering
5089         asserts where live on edge.
5090         (find_conditional_asserts): Adjust.
5091         (find_switch_asserts): Likewise.
5092         (evrp_dom_walker::try_find_new_range): Generalize.
5093         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
5094
5095 2017-04-27  Marek Polacek  <polacek@redhat.com>
5096
5097         PR sanitizer/80349
5098         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
5099         arg10 and arg11 to itype.
5100
5101 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
5102
5103         * doc/extend.texi (Object Size Checking): Improve grammar.
5104
5105 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
5106
5107         PR target/80530
5108         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
5109         that the logic for permitting reciprocal estimates matches that
5110         in use_rsqrt_p.
5111
5112 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
5113
5114         PR c++/80534
5115         * tree.c (type_cache_hasher::equal): Only compare
5116         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
5117         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
5118         non-aggregate element types.
5119         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
5120         about the flag on ARRAY_TYPEs in the comment, formatting fix.
5121
5122 2017-04-27  Richard Biener  <rguenther@suse.de>
5123
5124         PR middle-end/80533
5125         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
5126         stripping ARRAY_REFs from MEM_EXPR make sure we're not
5127         keeping a reference to a trailing array.
5128
5129 2017-04-27  Richard Biener  <rguenther@suse.de>
5130
5131         PR middle-end/80539
5132         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
5133         being in loop-closed SSA form conservatively.
5134         (chrec_fold_multiply_poly_poly): Likewise.
5135
5136 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
5137
5138         PR middle-end/79665
5139         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
5140         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
5141
5142 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
5143
5144         PR target/77728
5145         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
5146         (aarch64_function_arg_alignment): Return unsigned int again, but still
5147         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
5148         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
5149         Don't emit -Wpsabi note.
5150         (aarch64_function_arg_boundary): Likewise.
5151         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
5152         caller.
5153
5154 2017-04-26  Nathan Sidwell  <nathan@acm.org>
5155
5156         * tree.h (crc32_unsigned_n): Declare.
5157         (crc32_unsigned, crc32_unsigned): Make inline.
5158         * tree.c (crc32_unsigned_bits): Replace with ...
5159         (crc32_unsigned_n): ... this.
5160         (crc32_unsigned, crc32_byte): Remove.
5161         (crc32_string): Remove unnecessary braces.
5162
5163 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
5164
5165         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
5166         * ipa-inline-analysis.c (MAX_TIME): Remove.
5167         (account_size_time): Use sreal for time.
5168         (dump_inline_summary): Update.
5169         (estimate_function_body_sizes): Update.
5170         (estimate_edge_size_and_time): Update.
5171         (estimate_calls_size_and_time): Update.
5172         (estimate_node_size_and_time): Update.
5173         (inline_merge_summary): Update.
5174         (inline_update_overall_summary): Update.
5175         (estimate_time_after_inlining): Update.
5176         (inline_read_section): Update.
5177         (inline_write_summary): Update.
5178         * ipa-inline.c (compute_uninlined_call_time): Update.
5179         (compute_inlined_call_time): Update.
5180         (recursive_inlining): Update.
5181         (inline_small_functions): Update.
5182         (dump_overall_stats): Update.
5183         * ipa-inline.h: Include sreal.h.
5184         (size_time_entry): Turn time to sreal.
5185         (inline_summary): Turn self_time nad time to sreal.
5186
5187 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
5188
5189         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
5190         data-streamer.h
5191         (sreal::stream_out, sreal::stream_in): New.
5192         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
5193
5194 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
5195
5196         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
5197         environment.
5198
5199 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
5200
5201         PR target/70799
5202         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
5203         Handle ASHIFTRT.
5204         (dimode_scalar_chain::compute_convert_gain): Ditto.
5205         (dimode_scalar_chain::make_vector_copies): Ditto.
5206         (dimode_scalar_chain::convert_reg): Ditto.
5207         (dimode_scalar_chain::convert_insn): Ditto.
5208         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
5209         (VI248_AVX512BW_1): New mode iterator.
5210         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
5211         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
5212         mode iterator.
5213
5214 2017-04-25  Martin Sebor  <msebor@redhat.com>
5215
5216         PR tree-optimization/80497
5217         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
5218         constants are representable in HOST_WIDE_INT.
5219         (parse_directive): Ditto.
5220
5221 2017-04-25  Martin Sebor  <msebor@redhat.com>
5222
5223         PR bootstrap/80486
5224         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
5225         (new_zero_array): Adjust signature.
5226         (dom_info::dom_init): Used unsigned rather that size_t.
5227         (dom_info::dom_info): Same.
5228
5229 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5230             Jakub Jelinek  <jakub@redhat.com>
5231
5232         PR target/77728
5233         * config/arm/arm.c: Include gimple.h.
5234         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
5235         returns negative, increment ncrn only if it returned positive.
5236         (arm_needs_doubleword_align): Return int instead of bool,
5237         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
5238         members, but if there is any such non-FIELD_DECL
5239         > PARM_BOUNDARY aligned decl, return -1 instead of false.
5240         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
5241         returns negative, increment nregs only if it returned positive.
5242         (arm_setup_incoming_varargs): Likewise.
5243         (arm_function_arg_boundary): Emit -Wpsabi note if
5244         arm_needs_doubleword_align returns negative, return
5245         DOUBLEWORD_ALIGNMENT only if it returned positive.
5246
5247 2017-04-25  Marek Polacek  <polacek@redhat.com>
5248
5249         PR sanitizer/80349
5250         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
5251         first argument to type.
5252
5253 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
5254
5255         PR target/80482
5256         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
5257         type checks to test for compatibility instead of equality.
5258
5259 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5260             Jakub Jelinek  <jakub@redhat.com>
5261
5262         PR target/77728
5263         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
5264         type.
5265         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
5266         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
5267         the alignment computation, but return their maximum in warn_alignment.
5268         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
5269         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
5270         is smaller.
5271         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
5272         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
5273         caller.
5274
5275 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5276
5277         * config/arc/simdext.md (dmpyh): Fix typo.
5278
5279 2017-04-25  Richard Biener  <rguenther@suse.de>
5280
5281         PR tree-optimization/80492
5282         * alias.c (compare_base_decls): Handle registers with asm
5283         specification conservatively.
5284         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
5285         compare_base_decls returning dont-know properly.
5286
5287 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5288
5289         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
5290         (legitimate_offset_address_p): New function.
5291         (arc_legitimate_address_p): Use above function.
5292
5293 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5294
5295         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
5296
5297 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5298
5299         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
5300         ACCH registers whenever they are available.
5301
5302 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5303
5304         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
5305         double regs fix when not used.
5306
5307 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5308
5309         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
5310         core registers.
5311         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
5312         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
5313
5314 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5315
5316         * config/arc/arc.c (arc_output_addsi): Check for h-register class
5317         when emitting short ADD instructions.
5318
5319 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5320
5321         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
5322         constraint.
5323         (cmpsi_cc_c_insn): Likewise.
5324         (cbranchsi4_scratch): Compute proper instruction length using
5325         compact_hreg_operand.
5326         * config/arc/predicates.md (compact_hreg_operand): New predicate.
5327
5328 2017-04-25  Richard Biener  <rguenther@suse.de>
5329
5330         PR middle-end/80509
5331         * passes.c (pass_manager::pass_manager): Initialize
5332         m_name_to_pass_map.
5333
5334 2017-04-25  Richard Biener  <rguenther@suse.de>
5335
5336         PR tree-optimization/79201
5337         * tree-ssa-sink.c (statement_sink_location): Handle calls.
5338
5339 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5340
5341         PR target/80464
5342         * config/s390/vector.md: Split MEM->GPR vector moves for
5343         non-s_operand addresses.
5344
5345 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5346
5347         PR target/79895
5348         * config/s390/predicates.md (reload_const_wide_int_operand): New
5349         predicate.
5350         * config/s390/s390.md ("movti"): Remove d/P alternative.
5351         ("movti_bigconst"): New pattern definition.
5352
5353 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5354
5355         PR target/80080
5356         * s390-protos.h (s390_expand_cs_hqi): Removed.
5357         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
5358         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
5359         modes as well as CCZ1mode and CCZmode.
5360         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
5361         signature of s390_emit_compare_and_swap.
5362         (s390_expand_cs_hqi): Likewise, make static.
5363         (s390_expand_cs_tdsi): Generate an explicit compare before trying
5364         compare-and-swap, in some cases.
5365         (s390_expand_cs): Wrapper function.
5366         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
5367         atomic_exchange.
5368         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
5369         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
5370         patterns for small and large integers.  Forbid symref memory operands.
5371         Move expander to s390.c.  Require cc register.
5372         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
5373         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
5374         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
5375         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
5376         symref memory operands.  Remove CC mode and call s390_match_ccmode
5377         instead.
5378         ("atomic_exchange<mode>"): Allow and implement all integer modes.
5379
5380 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5381
5382         * config/s390/s390.md (define_peephole2): New peephole to help
5383         combining the load-and-test pattern with volatile memory.
5384
5385 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5386
5387         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
5388         with CCZmode for TARGET_Z196.
5389
5390 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
5391
5392         PR rtl-optimization/80501
5393         * combine.c (make_compound_operation_int): Set subreg_code to SET
5394         even for AND with mask of the sign bit of mode.
5395
5396         PR rtl-optimization/80500
5397         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
5398         sum's initial value.
5399
5400 2017-04-25  Julian Brown  <julian@codesourcery.com>
5401             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
5402
5403         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
5404
5405 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
5406
5407         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
5408
5409 2017-04-25  Julian Brown  <julian@codesourcery.com>
5410             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
5411
5412         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
5413         (thunderx2t99_sha): New Reservation.
5414
5415 2017-04-25  Julian Brown  <julian@codesourcery.com>
5416             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
5417
5418         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
5419         type for 1-element load.
5420
5421 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
5422
5423         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
5424
5425 2017-04-24  Martin Jambor  <mjambor@suse.cz>
5426
5427         PR tree-optimization/80293
5428         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
5429         char arrays not totally scalarizable if it is false.
5430         (analyze_all_variable_accesses): Pass correct value in the new
5431         parameter.  Add a statistics counter.
5432
5433 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
5434
5435         PR middle-end/79931
5436         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
5437
5438 2017-04-24  Richard Biener  <rguenther@suse.de>
5439
5440         PR tree-optimization/80494
5441         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
5442         out for complex types.
5443
5444 2017-04-24  Richard Biener  <rguenther@suse.de>
5445
5446         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
5447         * tree-ssa-sccvn.c (print_scc): Print SCC size.
5448         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
5449         (DFS): Adjust and never fail.
5450         (sccvn_dom_walker::fail): Remove.
5451         (sccvn_dom_walker::before_dom_children): Adjust.
5452         (run_scc_vn): Likewise and never fail.
5453         * tree-ssa-pre.c (pass_pre::execute): Adjust.
5454         (pass_fre::execute): Likewise.
5455
5456 2017-04-24  Richard Biener  <rguenther@suse.de>
5457
5458         PR tree-optimization/79725
5459         * tree-ssa-sink.c (statement_sink_location): Return whether
5460         failure reason was zero uses.  Move that check later.
5461         (sink_code_in_bb): Deal with zero uses by removing the stmt
5462         if possible.
5463
5464 2017-04-24  Richard Biener  <rguenther@suse.de>
5465
5466         PR c++/2972
5467         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
5468         pointer-based references.
5469
5470 2017-04-24  Richard Biener  <rguenther@suse.de>
5471
5472         PR bootstrap/79814
5473         * pass_manager.h (pass_manager::operator new): Remove.
5474         (pass_manager::operator delete): Likewise.
5475         * passes.c (pass_manager::operator new): Remove.
5476         (pass_manager::operator delete): Likewise.
5477         (pass_manager::pass_manager): Zero individual pass members.
5478
5479 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
5480
5481         PR target/70799
5482         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
5483         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
5484         Check "XEXP (src, 1)" operand here.
5485         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
5486         Check "XEXP (src, 1)" operand here.
5487         (dimode_scalar_chain::make_vector_copies): Detect count register
5488         of a shift instruction.  Zero extend count register from QImode
5489         to DImode to satisfy vector shift pattern count operand predicate.
5490         Substitute vector shift count operand with a DImode copy.
5491         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
5492         vector register.
5493
5494 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
5495
5496         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
5497         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
5498         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
5499         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
5500         (UNSPEC_NOREX_MEM): Remove definition.
5501
5502 2017-04-21  Richard Biener  <rguenther@suse.de>
5503
5504         PR tree-optimization/79547
5505         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
5506         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
5507         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
5508         without any constraints.
5509
5510 2017-04-21  Richard Biener  <rguenther@suse.de>
5511
5512         PR tree-optimization/78847
5513         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
5514
5515 2017-04-21  Richard Biener  <rguenther@suse.de>
5516
5517         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
5518         (build_distinct_type_copy): Likewise.
5519         (build_variant_type_copy): Likewise.
5520         * tree.c (build_qualified_type): Pass down mem-stat info.
5521         (build_distinct_type_copy): Likewise.
5522         (build_variant_type_copy): Likewise.
5523
5524 2017-04-21  Richard Biener  <rguenther@suse.de>
5525
5526         PR tree-optimization/80237
5527         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
5528         defaulted to NULL.
5529         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
5530         for a simplified result.
5531
5532 2016-04-21  Richard Biener  <rguenther@suse.de>
5533
5534         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
5535         sth as strict as a simple_iv but a chrec without symbols and an
5536         operand defined in the loop we are peeling (and not some subloop).
5537         (propagate_constants_for_unrolling): Propagate all constants.
5538
5539 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
5540
5541         PR target/79804
5542         * config/i386/i386.c (print_reg): Remove assert for disalowed
5543         regno values, call output_operand_lossage instead.
5544
5545 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
5546
5547         PR target/78090
5548         * config/i386/constraints.md (Yc): New register constraint.
5549         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
5550         Use Yc constraint for alternative 2 of operand 0.  Remove
5551         preferred_for_speed attribute.
5552
5553 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
5554
5555         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
5556         lastprivate clauses in SIMT case.
5557
5558 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
5559
5560         * doc/invoke.texi (-Wextra-semi): Document new warning option.
5561
5562 2017-04-20  Richard Biener  <rguenther@suse.de>
5563
5564         PR tree-optimization/57796
5565         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
5566         as N scalar stores.
5567         (vect_model_load_cost): Cost gathers as N scalar loads.
5568
5569 2017-04-20  Richard Biener  <rguenther@suse.de>
5570
5571         * ggc-page.c (ggc_allocated_p): Rename to ...
5572         (safe_lookup_page_table_entry): ... this and return the lookup
5573         result.
5574         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
5575
5576 2017-04-20  Richard Biener  <rguenther@suse.de>
5577
5578         PR tree-optimization/80453
5579         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
5580         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
5581         from the conditions.
5582         (vn_phi_eq): Pass them down.
5583         (vn_phi_lookup): Record them.
5584         (vn_phi_insert): Likewise.
5585
5586 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
5587
5588         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
5589         uninitialized variable warning to avoid buffer overrun.
5590
5591 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
5592
5593         PR other/71250
5594         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
5595         is suppressed for '{ 0 }' in C.
5596
5597 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
5598
5599         * BASE-VER: Set to 8.0.0.
5600
5601 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5602
5603         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
5604         priority .init_array and .fini_array section with SECTION_NOTYPE
5605         flag.
5606
5607 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
5608
5609         PR middle-end/80423
5610         * tree.h (build_array_type): Add typeless_storage default argument.
5611         * tree.c (type_cache_hasher::equal): Also compare
5612         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
5613         (build_array_type): Add typeless_storage argument, set
5614         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
5615         recursive call.
5616         (build_nonshared_array_type): Adjust build_array_type_1 caller.
5617         (build_array_type): Likewise.  Add typeless_storage argument.
5618
5619 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
5620             Jakub Jelinek  <jakub@redhat.com>
5621
5622         PR tree-optimization/80426
5623         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
5624         operation on symbolic operands, also compute the overflow for the
5625         invariant part when the operation degenerates into a negation.
5626
5627 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
5628
5629         PR debug/80461
5630         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
5631         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
5632
5633         PR debug/80436
5634         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
5635
5636 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
5637
5638         PR target/80462
5639         * config/avr/avr.c (tree.h): Include it.
5640         (cgraph.h): Include it.
5641         (avr_encode_section_info): Don't warn for uninitialized progmem
5642         variable if it's just an alias.
5643
5644 2017-04-19  Richard Biener  <rguenther@suse.de>
5645
5646         PR ipa/65972
5647         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
5648         when needed by AutoPGO.
5649
5650 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
5651
5652         PR lto/50345
5653         * doc/lto.texi: Remove an extra 'that'.
5654
5655 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
5656
5657         PR rtl-optimization/80429
5658         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
5659         are only used in debug insns.
5660
5661 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
5662             Vladimir Makarov  <vmakarov@redhat.com>
5663
5664         * config/sparc/predicates.md (input_operand): Add comment.  Return
5665         true for any memory operand when LRA is in progress.
5666         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
5667
5668 2017-04-18  Jeff Law  <law@redhat.com>
5669
5670         PR target/74563
5671         * mips.md ({return,simple_return}_internal): Do not overwrite
5672         operands[0].
5673
5674 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
5675
5676         PR tree-optimization/80443
5677         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
5678         instead of adding 1, subtract -1 and similarly instead of subtracting
5679         1 add -1.
5680
5681 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
5682
5683         PR rtl-optimization/80357
5684         * haifa-sched.c (tmp_bitmap): New variable.
5685         (model_recompute): Handle duplicate use records.
5686         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
5687         (free_global_sched_pressure_data): Free it.
5688
5689 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5690
5691         Revert:
5692         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5693         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
5694         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
5695         instead of SYSTEM_HEADER_DIR.
5696
5697 2017-04-18  Jeff Law  <law@redhat.com>
5698
5699         PR middle-end/80422
5700         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
5701         predecessors after walking up the insn chain.
5702
5703 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
5704
5705         PR debug/80263
5706         * dwarf2out.c (modified_type_die): Try harder not to emit internal
5707         sizetype type into debug info.
5708
5709 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
5710
5711         PR target/80099
5712         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
5713         unneeded test for TARGET_UPPER_REGS_SF.
5714         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
5715
5716 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
5717
5718         PR sanitizer/80444
5719         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
5720         instead of gsi_after_labels.
5721
5722 2017-04-18  Jeff Law  <law@redhat.com>
5723
5724         * regcprop.c (maybe_mode_change): Avoid creating copies of the
5725         stack pointer.
5726
5727         Revert:
5728         2017-04-13  Jeff Law  <law@redhat.com>
5729         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
5730         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
5731
5732 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
5733
5734         PR target/79453
5735         * config/avr/avr.c (intl.h): Include it.
5736         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
5737
5738 2017-04-18  Martin Liska  <mliska@suse.cz>
5739
5740         PR gcov-profile/78783
5741         * gcov-tool.c (gcov_output_files): Validate that destination
5742         file is either removed by the tool or by a user.
5743
5744 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
5745             Guy Benyei  <guybe@mellanox.com>
5746
5747         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
5748         block, and do not negate it, the stored id is already negative.
5749
5750 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
5751
5752         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
5753
5754 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
5755
5756         PR target/80098
5757         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
5758         masks of options that should be turned off if the VSX vector
5759         options are turned off.
5760         (OTHER_P8_VECTOR_MASKS): Likewise.
5761         (OTHER_VSX_VECTOR_MASKS): Likewise.
5762         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
5763         rs6000_disable_incompatible_switches to validate no type switches
5764         like -mvsx.
5765         (rs6000_incompatible_switch): New function to disallow turning on
5766         other vector options if -mno-vsx, -mno-power8-vector, or
5767         -mno-power9-vector are specified.
5768
5769 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
5770
5771         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
5772
5773 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
5774
5775         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
5776         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
5777         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
5778         (ARG_POINTER_CFA_OFFSET): Likewise.
5779
5780 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
5781
5782         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
5783         conditions to take advantage of various optimizations.
5784
5785 2017-04-13  Jeff Law  <law@redhat.com>
5786
5787         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
5788         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
5789         (zero_extendsidi2_dext): Likewise.
5790
5791 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
5792
5793         PR sanitizer/80403
5794         * fold-const.c (fold_ternary_loc): Revert
5795         use op0 instead of fold_convert_loc (loc, type, arg0) part of
5796         2017-04-12 change.
5797
5798 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5799
5800         PR rtl-optimization/80343
5801         * lra-remat.c (update_scratch_ops): Assign original hard reg to
5802         new scratch pseudo.
5803
5804 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
5805
5806         PR sanitizer/80414
5807         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
5808         to ubsan_encode_value.
5809
5810 2017-04-13  Jeff Law  <law@redhat.com>
5811
5812         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
5813         appearing in DEBUG_INSNs.
5814
5815 2017-04-13  Martin Liska  <mliska@suse.cz>
5816
5817         PR gcov-profile/80413
5818         * gcov-io.c (gcov_write_string): Copy to buffer just when
5819         allocated size is greater than zero.
5820
5821 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
5822
5823         PR debug/80321
5824         * dwarf2out.c (decls_for_scope): Ignore declarations of
5825         current_function_decl in BLOCK_NONLOCALIZED_VARS.
5826
5827 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
5828
5829         PR lto/69953
5830         * ipa-visibility.c (non_local_p): Fix typos.
5831         (localize_node): When localizing symbol in same comdat group,
5832         dissolve the group only when we know external symbols are going
5833         to be privatized.
5834         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
5835
5836 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
5837
5838         PR tree-optimization/79390
5839         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
5840         order does not result in usable sequence, retry with reversed operand
5841         order.
5842
5843         PR sanitizer/80403
5844         PR sanitizer/80404
5845         PR sanitizer/80405
5846         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
5847         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
5848         op0 instead of fold_convert_loc (loc, type, arg0).
5849
5850 2017-04-12  Jeff Law  <law@redhat.com>
5851
5852         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
5853         has a delay slot in the generated code.
5854
5855         * config/cris/cris.md (cris_preferred_reload_class): Return
5856         GENNONACR_REGS rather than GENERAL_REGS.
5857
5858 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
5859
5860         PR c/80163
5861         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
5862         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
5863         signedness of the result type.
5864
5865 2017-04-12  Richard Biener  <rguenther@suse.de>
5866             Jeff Law  <law@redhat.com>
5867
5868         PR tree-optimization/80359
5869         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
5870         trim stores to TARGET_MEM_REFs.
5871
5872 2017-04-12  Richard Biener  <rguenther@suse.de>
5873
5874         PR tree-optimization/79390
5875         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
5876         threading case even more.
5877
5878 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
5879
5880         PR target/80382
5881         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
5882         for quad_address_p for TImode, instead of just not indexed_address.
5883
5884 2017-04-12  Richard Biener  <rguenther@suse.de>
5885             Bernd Edlinger  <bernd.edlinger@hotmail.de>
5886
5887         PR middle-end/79671
5888         * alias.c (component_uses_parent_alias_set_from): Handle
5889         TYPE_TYPELESS_STORAGE.
5890         (get_alias_set): Likewise.
5891         * tree-core.h (tree_type_common): Add typeless_storage flag.
5892         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
5893         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
5894         for types containing members with TYPE_TYPELESS_STORAGE.
5895         (place_field): Likewise.
5896         (layout_type): Likewise for ARRAY_TYPE.
5897         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
5898         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
5899         TYPE_TYPELESS_STORAGE.
5900         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
5901
5902 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
5903
5904         PR sanitizer/80349
5905         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
5906         first argument to type.
5907
5908 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5909
5910         PR target/80376
5911         PR target/80315
5912         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
5913         CONST0_RTX (mode) rather than const0_rtx where appropriate.
5914         (rs6000_expand_binop_builtin): Likewise.
5915         (rs6000_expand_ternop_builtin): Likewise; also add missing
5916         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
5917         vshasigma built-ins.
5918         * doc/extend.texi: Document that vec_xxpermdi's third argument
5919         must be a constant.
5920
5921 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
5922
5923         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
5924         Use shift_const cost parameter when calculating gain of STV shifts.
5925
5926 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
5927
5928         PR rtl-optimization/70478
5929         * lra-constraints.c (process_alt_operands): Check memory for
5930         disfavoring memory insn operand.
5931
5932 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
5933
5934         PR middle-end/80100
5935         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
5936         left shift in unsigned HOST_WIDE_INT type.
5937
5938         PR rtl-optimization/80385
5939         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
5940         (not (neg X)) into (plus X -1) for complex or non-integral modes.
5941
5942         PR libgomp/80394
5943         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
5944         if they have any depend clauses.
5945
5946 2017-04-11  Martin Liska  <mliska@suse.cz>
5947
5948         PR ipa/80212
5949         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
5950         * ipa-split.c (split_function): Create a local comdat symbol
5951         if caller is in a comdat group.
5952
5953 2017-04-11  Martin Liska  <mliska@suse.cz>
5954
5955         PR ipa/80212
5956         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
5957         flags.
5958
5959 2017-04-11  Martin Sebor  <msebor@redhat.com>
5960
5961         PR middle-end/80364
5962         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
5963         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
5964         for INTEGER_TYPE.
5965         (directive::set_width, directive::set_precision, format_character):
5966         Adjust.
5967         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
5968         INTEGER_TYPE.
5969
5970 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
5971
5972         PR target/80389
5973         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
5974         conflict, set target->arch_name instead of target->cpu_name.
5975
5976 2017-04-11  Richard Biener  <rguenther@suse.de>
5977
5978         PR tree-optimization/80374
5979         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
5980         build_zero_cst, remove fold_convertible_p check again.
5981
5982 2017-04-11  Martin Liska  <mliska@suse.cz>
5983
5984         PR sanitizer/70878
5985         * ubsan.c (instrument_object_size): Do not instrument register
5986         variables.
5987
5988 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
5989
5990         PR target/80381
5991         * config/i386/i386-builtin-types.def
5992         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
5993         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
5994         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
5995         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
5996         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
5997         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
5998         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
5999         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
6000         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
6001         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
6002         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
6003         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
6004         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
6005         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
6006         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
6007         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
6008         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
6009         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
6010         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
6011         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
6012         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
6013         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
6014         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
6015         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
6016         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
6017         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
6018         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
6019         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
6020         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
6021         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
6022         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
6023         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
6024         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
6025         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
6026         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
6027         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
6028         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
6029         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
6030         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
6031         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
6032         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
6033         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
6034         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
6035         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
6036         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
6037         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
6038         aliases.
6039         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
6040         flag to second_arg_count, handle 4 argument function type _COUNT
6041         aliases, handle second_arg_count on second argument rather than last.
6042
6043 2017-04-10  Jeff Law  <law@redhat.com>
6044
6045         PR tree-optimization/80374
6046         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
6047         record anything if we can not convert integer_zero_node to the
6048         desired type.
6049
6050 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6051
6052         PR target/80108
6053         * config/rs6000/rs6000.c (rs6000_option_override_internal):
6054         Enhance special handling given to the TARGET_P9_MINMAX option in
6055         relation to certain other options.
6056
6057 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
6058
6059         PR tree-optimization/80153
6060         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
6061         remove POINTER_PLUS_EXPR's base part directly, rather than through
6062         aff_tree.
6063
6064 2017-04-10  Richard Biener  <rguenther@suse.de>
6065             Bin Cheng  <bin.cheng@arm.com>
6066
6067         PR tree-optimization/80153
6068         * tree-affine.c (aff_combination_to_tree): Get base pointer from
6069         the first element of pointer type aff_tree.  Build result expr in
6070         aff_tree's type.
6071         (add_elt_to_tree): Convert to type unconditionally.  Remove other
6072         fold_convert calls.
6073         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
6074         (rewrite_use_nonlinear_expr): Check invariant using iv information.
6075
6076 2017-04-10  Richard Biener  <rguenther@suse.de>
6077
6078         * tree-ssa-structalias.c (find_func_aliases): Properly handle
6079         asm inputs.
6080
6081 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
6082
6083         PR rtl-optimization/70478
6084         * lra-constraints.c (curr_small_class_check): New.
6085         (update_and_check_small_class_inputs): New.
6086         (process_alt_operands): Update curr_small_class_check.  Disfavor
6087         alternative insn memory operands.  Check available regs for small
6088         class operands.
6089
6090 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
6091
6092         PR target/80057
6093         * config/mips/mips.opt (-mvirt): Update description.
6094         * doc/invoke.texi (-mvirt): Likewise.
6095
6096 2017-04-10  Richard Biener  <rguenther@suse.de>
6097
6098         PR middle-end/80362
6099         * fold-const.c (fold_binary_loc): Look at unstripped ops when
6100         looking for NEGATE_EXPR in -A / -B to A / B folding.
6101
6102 2017-04-10  Martin Liska  <mliska@suse.cz>
6103
6104         PR gcov-profile/80224
6105         * gcov.c (print_usage): Fix usage string.
6106         (get_gcov_intermediate_filename): Remove.
6107         (output_gcov_file): Use both for normal and intermediate format.
6108         (generate_results): Do not initialize special file for
6109         intermediate format.
6110
6111 2017-04-10  Richard Biener  <rguenther@suse.de>
6112
6113         PR tree-optimization/80304
6114         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
6115         for safelen.
6116
6117 2017-04-10  Nathan Sidwell  <nathan@acm.org>
6118
6119         PR target/79905
6120         * config/rs6000/rs6000.c (rs6000_vector_type): New.
6121         (rs6000_init_builtins): Use it.
6122
6123 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6124
6125         * config/arm/arm.md (<mrc>): Add mode to SET source.
6126         (<mrrc>): Likewise.
6127
6128 2017-04-10  Richard Biener  <rguenther@suse.de>
6129
6130         PR middle-end/80344
6131         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
6132
6133 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
6134
6135         PR target/80324
6136         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
6137         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
6138         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
6139         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
6140         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
6141         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
6142         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
6143         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
6144         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
6145         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
6146         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
6147         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
6148         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
6149         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
6150         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
6151         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
6152         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
6153         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
6154         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
6155         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
6156         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
6157         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
6158         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
6159
6160 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
6161
6162         PR rtl-optimization/70478
6163         * lra-constraints.c: Reverse the last patch.
6164
6165 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
6166
6167         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
6168         Add comment for WCHAR_T.
6169
6170 2017-04-08  Martin Liska  <mliska@suse.cz>
6171
6172         Revert:
6173         2017-04-07  Martin Liska  <mliska@suse.cz>
6174
6175         PR ipa/80212
6176         * ipa-split.c (split_function): Add function part to a same comdat
6177         group.
6178
6179 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
6180
6181         PR target/80358
6182         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
6183
6184 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
6185
6186         * rs6000/rs6000.c (vec_load_pendulum): Rename...
6187         (vec_pairing): ...to this.
6188         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
6189         (rs6000_sched_init): Adjust for name change.
6190         (struct rs6000_sched_context): Likewise.
6191         (rs6000_init_sched_context): Likewise.
6192         (rs6000_set_sched_context): Likewise.
6193
6194 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
6195
6196         PR target/80322
6197         PR target/80323
6198         PR target/80325
6199         PR target/80326
6200         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
6201         intrinsics.
6202         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
6203         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
6204         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
6205
6206 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
6207
6208         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
6209
6210 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
6211
6212         PR rtl-optimization/70703
6213         * ira-color.c (update_conflict_hard_regno_costs): Use
6214         int64_t instead of HOST_WIDE_INT.
6215
6216 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
6217
6218         PR rtl-optimization/70478
6219         * lra-constraints.c (process_alt_operands): Disfavor alternative
6220         insn memory operands.
6221
6222 2017-04-07  Jeff Law  <law@redhat.com>
6223
6224         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
6225         CALL and NOTE_INSN_CALL_ARG_LOCATION.
6226
6227 2017-04-07  Martin Liska  <mliska@suse.cz>
6228
6229         PR target/79889
6230         * config/aarch64/aarch64.c (aarch64_process_target_attr):
6231         Show error message instead of an ICE.
6232
6233 2017-04-07  Martin Liska  <mliska@suse.cz>
6234
6235         PR ipa/80212
6236         * ipa-split.c (split_function): Add function part to a same comdat
6237         group.
6238
6239 2017-04-07  Richard Biener  <rguenther@suse.de>
6240
6241         PR middle-end/80341
6242         * tree.c (get_unwidened): Also handle ! for_type case for
6243         INTEGER_CSTs.
6244         * convert.c (do_narrow): Split out from ...
6245         (convert_to_integer_1): ... here.  Do not pass final truncation
6246         type to get_unwidened for TRUNC_DIV_EXPR.
6247
6248 2017-04-07  Richard Biener  <rguenther@suse.de>
6249
6250         * tree-affine.c (wide_int_ext_for_comb): Take type rather
6251         than aff_tree.
6252         (aff_combination_const): Adjust.
6253         (aff_combination_scale): Likewise.
6254         (aff_combination_add_elt): Likewise.
6255         (aff_combination_add_cst): Likewise.
6256         (aff_combination_convert): Likewise.
6257         (add_elt_to_tree): Likewise.  Remove unused argument.
6258         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
6259
6260 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6261
6262         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
6263         definition.
6264         * config/arm/arm.c (arm_default_short_enums): Use
6265         ARM_DEFAULT_SHORT_ENUMS.
6266         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
6267
6268 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
6269
6270         PR debug/80234
6271         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
6272         members with redundant out-of-class redeclaration.
6273
6274 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
6275
6276         PR target/80286
6277         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
6278         * config/i386/i386.md (*zero_extendsidi2):
6279         Add (?*x,*x) and (?*v,*v) alternatives.
6280
6281 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
6282
6283         PR target/79733
6284         * config/i386/i386.c (ix86_expand_builtin)
6285         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
6286         mode from insn data. Convert operands to insn operand mode.
6287         Copy operands that don't satisfy insn predicate to a register.
6288
6289 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
6290
6291         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
6292         Update comments.
6293
6294 2017-04-06  Richard Biener  <rguenther@suse.de>
6295
6296         PR tree-optimization/80334
6297         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
6298         preserve alignment of accesses.
6299
6300 2017-04-06  Richard Biener  <rguenther@suse.de>
6301
6302         PR tree-optimization/80262
6303         * tree-sra.c (build_ref_for_offset): Preserve address-space
6304         information.
6305         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
6306         Drop useless address-space information on MEM_REF offsets.
6307
6308 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
6309
6310         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
6311
6312 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
6313
6314         PR rtl-optimization/70703
6315         * ira-color.c (update_conflict_hard_regno_costs): Use
6316         HOST_WIDE_INT instead of long.
6317
6318 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
6319
6320         PR target/80298
6321         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
6322         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
6323         is not defined.
6324         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
6325         for x86_64 target.  Handle -m3dnowa option.
6326
6327 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
6328
6329         PR rtl-optimization/70703
6330         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
6331         (update_conflict_hard_regno_costs): Use long instead of unsigned
6332         arithmetic for cost calculation.
6333
6334 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
6335             Bernd Edlinger  <bernd.edlinger@hotmail.de>
6336
6337         PR sanitizer/80308
6338         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
6339         for big endian.
6340
6341 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
6342
6343         PR target/78002
6344         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
6345         ptr_mode with Pmode throughout.
6346         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
6347         into probe_stack_range and use DImode.
6348
6349 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6350
6351         PR target/79890
6352         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
6353         call_eh_return is true.
6354
6355 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6356
6357         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
6358         Initialize last_match_fntype_index.
6359
6360 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
6361
6362         PR target/80310
6363         * tree-nvr.c: Include internal-fn.h.
6364         (pass_return_slot::execute): Ignore internal calls without
6365         direct optab.
6366
6367 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
6368             Richard Biener  <rguenther@suse.de>
6369
6370         PR c++/80297
6371         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
6372         captures used multiple times, except for the last use.
6373         * generic-match-head.c: Include gimplify.h.
6374
6375 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
6376
6377         PR tree-optimization/79390
6378         * target.h (struct noce_if_info): Declare.
6379         * targhooks.h (default_noce_conversion_profitable_p): Declare.
6380         * target.def (noce_conversion_profitable_p): New target hook.
6381         * ifcvt.h (struct noce_if_info): New type, moved from ...
6382         * ifcvt.c (struct noce_if_info): ... here.
6383         (noce_conversion_profitable_p): Renamed to ...
6384         (default_noce_conversion_profitable_p): ... this.  No longer
6385         static nor inline.
6386         (noce_try_store_flag_constants, noce_try_addcc,
6387         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
6388         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
6389         instead of noce_conversion_profitable_p.
6390         * config/i386/i386.c: Include ifcvt.h.
6391         (ix86_option_override_internal): Don't override
6392         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
6393         (ix86_noce_conversion_profitable_p): New function.
6394         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
6395         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
6396         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
6397         * doc/tm.texi: Regenerated.
6398
6399 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6400
6401         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
6402         correction.
6403
6404 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
6405
6406         PR target/80307
6407         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
6408         instructions for small multiply cores.
6409
6410 2017-04-04  Jeff Law  <law@redhat.com>
6411
6412         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
6413         added member.
6414         (mips_expand_vec_perm_const): Initialize elements in orig_perm
6415         that are not set by the loop over the elements.
6416
6417 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
6418
6419         PR target/80286
6420         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
6421         int mode, convert_modes it to mode as unsigned, otherwise use
6422         lowpart_subreg to mode rather than SImode.
6423         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
6424         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
6425         Use DImode instead of SImode for the shift count operand.
6426         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
6427         Likewise.
6428
6429 2017-04-04  Richard Biener  <rguenther@suse.de>
6430
6431         PR middle-end/80281
6432         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
6433         arithmetic done for the negate or the plus.  Simplify.
6434         (A - (-B) -> A + B): Likewise.
6435         * fold-const.c (split_tree): Make sure to not negate pointers.
6436
6437 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
6438
6439         PR rtl-optimization/60818
6440         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
6441         a compare of comparisons with the thing compared if this results
6442         in a different machine mode.
6443
6444 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
6445
6446         * alias.c (base_alias_check): Fix typo in comment.
6447         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
6448         * cgraphunit.c (symbol_table::compile): Likewise.
6449         * collect2.c (maybe_run_lto_and_relink): Likewise.
6450         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
6451         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
6452         * config/avr/avr.c (avr_map_op_t): Likewise.
6453         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
6454         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
6455         * config/epiphany/epiphany.md (movcc): Likewise.
6456         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
6457         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
6458         Likewise.
6459         * config/mips/mips.c (mips_save_restore_reg): Likewise.
6460         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
6461         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
6462         * config/sh/sh.c (sh_rtx_costs): Likewise.
6463         * fold-const.c (fold_truth_andor): Likewise.
6464         * genautomata.c (collapse_flag): Likewise.
6465         * gengtype.h (struct type::u::s): Likewise.
6466         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
6467         * input.c (FORMAT_AMOUNT): Likewise.
6468         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
6469         (known_aggs_to_agg_replacement_list): Likewise.
6470         * ipa-inline-analysis.c: Likewise.
6471         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
6472         * ipa-polymorphic-call.c
6473         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
6474         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
6475         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
6476         Likewise.
6477         * modulo-sched.c (apply_reg_moves): Likewise.
6478         * omp-expand.c (build_omp_regions_1): Likewise.
6479         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
6480         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
6481         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
6482         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
6483         * value-prof.c: Likewise.
6484         * var-tracking.c (val_reset): Likewise.
6485
6486 2017-04-03  Richard Biener  <rguenther@suse.de>
6487
6488         PR tree-optimization/80275
6489         * fold-const.c (split_address_to_core_and_offset): Handle
6490         POINTER_PLUS_EXPR.
6491
6492 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
6493
6494         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
6495         descriptors is at least equal to that of functions.
6496
6497 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
6498
6499         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
6500
6501 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
6502
6503         PR target/80250
6504         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
6505         (mov<IMOD4:mode>): New expander.
6506         (*mov<IMOD4:mode>_internal): New insn and split pattern.
6507
6508 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
6509
6510         PR rtl-optimization/79405
6511         * fwprop.c (propagations_left): New variable.
6512         (forward_propagate_into): Decrement it.
6513         (fwprop_init): Initialize it.
6514         (fw_prop): If the variable has reached zero, stop propagating.
6515         (fwprop_addr): Ditto.
6516
6517 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
6518
6519         PR debug/79255
6520         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
6521         a FUNCTION_DECL, pass it as decl instead of origin to
6522         process_scope_var.
6523
6524 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
6525
6526         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
6527         string.
6528
6529 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
6530
6531         PR target/80107
6532         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
6533         TARGET_VSX_SMALL_INTEGER.
6534
6535 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6536
6537         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
6538         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
6539
6540 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
6541
6542         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
6543         extraction from odd-numbered MSA register.
6544
6545 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
6546
6547         PR middle-end/80173
6548         * expmed.c (store_bit_field_1): Don't attempt to create
6549         a word subreg out of hard registers wider than word if they
6550         have HARD_REGNO_NREGS of 1 for their mode.
6551
6552         PR middle-end/80163
6553         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
6554         conversions to integer types wider than word and pointer.
6555
6556         PR debug/80025
6557         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
6558         (rtx_equal_for_cselib_p): Pass 0 to it.
6559         * cselib.c (cselib_hasher::equal): Likewise.
6560         (rtx_equal_for_cselib_1): Add depth argument.  If depth
6561         is 128, don't look up VALUE locs and punt.  Increment
6562         depth in recursive calls when walking VALUE locs.
6563
6564 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6565
6566         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
6567         (make_gcov_file_name): Use the canonical path name for generating
6568         the MD5 value.
6569         (read_line): Fix handling of files with ascii null bytes.
6570
6571 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
6572
6573         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
6574         to initialise a vector register instead
6575         of using a const_int.
6576
6577 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
6578
6579         PR translation/80189
6580         * gimplify.c (omp_default_clause): Use %qs instead of %s in
6581         diagnostic messages.
6582
6583 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
6584
6585         PR target/80246
6586         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
6587         (dfp_diex_<mode>): Update mode of operand 1.
6588         * doc/extend.texi (dxex, dxexq): Document change to return type.
6589         (diex, diexq): Document change to argument type.
6590
6591 2017-03-30  Martin Jambor  <mjambor@suse.cz>
6592
6593         PR ipa/77333
6594         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
6595         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
6596         it reflects the signature changes performed at the callee side.
6597         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
6598         to cgraph_build_function_type_skip_args.
6599         (build_function_decl_skip_args): Adjust call to the above function.
6600
6601 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
6602
6603         PR target/80206
6604         * config/i386/sse.md
6605         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
6606         register as dest whenever it is a MEM not rtx_equal_p to the
6607         corresponding dup operand, and when forcing into reg move the
6608         reg into the memory afterwards.
6609         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
6610         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
6611         for the force_reg mode.
6612         (avx512vl_vextractf128<mode>): Use register as dest either
6613         always when a MEM, or when it is a MEM not rtx_equal_p to the
6614         corresponding dup operand, or even not when it is a CONST_VECTOR
6615         depending on the mode and lo vs. hi.
6616         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
6617         parens.
6618         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
6619         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
6620         Likewise.  Require that operands[2] is even.
6621         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
6622         Remove extraneous parens.  Require that operands[2] is a multiple
6623         of 4.
6624         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
6625         operands[0] is a MEM if <mask_applied>, the predicates/constraints
6626         disallow memory then.
6627
6628 2017-03-30  Richard Biener  <rguenther@suse.de>
6629
6630         PR tree-optimization/77498
6631         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
6632         to non-constants over backedges.
6633
6634 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
6635
6636         PR rtl-optimization/80233
6637         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
6638         as last_combined_insn.  Do not test for BARRIER_P separately.
6639
6640 2017-03-29  Andreas Schwab  <schwab@suse.de>
6641
6642         PR ada/80146
6643         * calls.c (prepare_call_address): Convert funexp to Pmode before
6644         copying to temp reg.
6645
6646 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6647
6648         PR tree-optimization/80158
6649         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
6650         Handle possible future case of more than one alternate
6651         interpretation.
6652         (replace_rhs_if_not_dup): Likewise.
6653         (replace_one_candidate): Likewise.
6654
6655 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
6656
6657         PR rtl-optimization/80193
6658         * ira.c (ira): Do not check allocation for LRA.
6659
6660 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
6661
6662         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
6663         (nvptx_output_simt_exit): Declare.
6664         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
6665         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
6666         (init_softstack_frame): Move initialization of crtl->is_leaf to...
6667         (nvptx_declare_function_name): ...here.  Emit declaration of local
6668         memory space buffer for omp_simt_enter insn.
6669         (nvptx_output_unisimt_switch): New.
6670         (nvptx_output_softstack_switch): New.
6671         (nvptx_output_simt_enter): New.
6672         (nvptx_output_simt_exit): New.
6673         * config/nvptx/nvptx.h (struct machine_function): New fields
6674         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
6675         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
6676         (UNSPECV_SIMT_EXIT): Ditto.
6677         (omp_simt_enter_insn): New insn.
6678         (omp_simt_enter): New expansion.
6679         (omp_simt_exit): New insn.
6680         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
6681
6682         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
6683         (expand_GOMP_SIMT_ENTER_ALLOC): New.
6684         (expand_GOMP_SIMT_EXIT): New.
6685         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
6686         (GOMP_SIMT_ENTER_ALLOC): Ditto.
6687         (GOMP_SIMT_EXIT): Ditto.
6688         * target-insns.def (omp_simt_enter): New insn.
6689         (omp_simt_exit): Ditto.
6690         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
6691         simt_dlist.
6692         (lower_rec_simd_input_clauses): Implement SIMT privatization.
6693         (lower_rec_input_clauses): Likewise.
6694         (lower_lastprivate_clauses): Handle SIMT privatization.
6695
6696         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
6697         (ompdevlow_adjust_simt_enter): New.
6698         (find_simtpriv_var_op): New.
6699         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
6700         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
6701
6702         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
6703         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
6704         (copy_decl_for_dup_finish): Ditto.
6705
6706         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
6707
6708 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
6709
6710         PR target/53383
6711         * config/i386/i386.c (ix86_option_override_internal): Always
6712         allow -mpreferred-stack-boundary=3 for 64-bit targets.
6713
6714 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
6715
6716         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
6717
6718 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
6719
6720         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
6721         mark new edge's irreducible flag accordign to it.
6722         (vect_do_peeling): Check loop preheader edge's irreducible flag
6723         and pass it to function slpeel_add_loop_guard.
6724
6725 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
6726
6727         PR tree-optimization/80218
6728         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
6729         Update block frequencies and counts.
6730
6731 2017-03-28  Richard Biener  <rguenther@suse.de>
6732
6733         PR tree-optimization/78644
6734         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
6735         of a simplification result we may not use it at all.
6736
6737 2017-03-28  Richard Biener  <rguenther@suse.de>
6738
6739         PR ipa/80205
6740         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
6741         without arguments, generate default definition of a SSA name.
6742
6743 2017-03-28  Richard Biener  <rguenther@suse.de>
6744
6745         PR middle-end/80222
6746         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
6747         TYPE_REF_CAN_ALIAS_ALL references.
6748         * fold-const.c (fold_indirect_ref_1): Likewise.
6749
6750 2017-03-28  Martin Liska  <mliska@suse.cz>
6751
6752         PR ipa/80104
6753         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
6754         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
6755
6756 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
6757             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
6758
6759         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
6760         (EXTRA_SPECS): Define.
6761         (SUBTARGET_EXTRA_SPECS): Likewise.
6762         (SUBTARGET_CPP_SPEC): Likewise.
6763         * config/arc/elf.h (EXTRA_SPECS): Renamed to
6764         SUBTARGET_EXTRA_SPECS.
6765         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
6766
6767 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
6768
6769         * config/arc/simdext.md (vst64_insn): Update pattern.
6770         (vld32wh_insn): Likewise.
6771         (vld32wl_insn): Likewise.
6772         (vld64_insn): Likewise.
6773         (vld32_insn): Likewise.
6774
6775 2017-03-28  Marek Polacek  <polacek@redhat.com>
6776
6777         PR sanitizer/80067
6778         * fold-const.c (fold_comparison): Use protected_set_expr_location
6779         instead of SET_EXPR_LOCATION.
6780
6781 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
6782
6783         * tree.c (add_expr): Avoid name lookup warning.
6784
6785 2017-03-27  Jeff Law  <law@redhat.com>
6786
6787         PR tree-optimization/80216
6788         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
6789         function name.  Limit recursion depth.
6790         (record_temporary_equivalences): Corresponding changes.
6791
6792 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
6793
6794         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
6795         covered first.
6796
6797 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
6798
6799         PR target/80102
6800         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
6801         notes.
6802         * cfgcleanup.c (reg_note_cfa_p): New array.
6803         (insns_have_identical_cfa_notes): New function.
6804         (old_insns_match_p): Don't cross-jump in between /f
6805         and non-/f instructions.  If both i1 and i2 are frame related,
6806         verify all CFA notes, their order and content.
6807
6808 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
6809
6810         PR target/78543
6811         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
6812         HImode and SImode with zero extend to DImode to one insn.
6813         (bswap<mode>2_extenddi): Likewise.
6814         (bswapsi2_extenddi): Likewise.
6815         (bswaphi2_extendsi): Likewise.
6816         (bswaphi2): Combine bswap HImode and SImode into one insn.
6817         Separate memory insns from swapping register.
6818         (bswapsi2): Likewise.
6819         (bswap<mode>2): Likewise.
6820         (bswaphi2_internal): Delete, no longer used.
6821         (bswapsi2_internal): Likewise.
6822         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
6823         store, and gpr<-gpr swap insns.
6824         (bswap<mode>2_store): Likewise.
6825         (bswaphi2_reg): Register only splitter, combine with the splitter.
6826         (bswaphi2 splitter): Likewise.
6827         (bswapsi2_reg): Likewise.
6828         (bswapsi2 splitter): Likewise.
6829         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
6830         the insns into load, store, and register/register insns.
6831         (bswapdi2_ldbrx): Likewise.
6832         (bswapdi2_load): Likewise.
6833         (bswapdi2_store): Likewise.
6834         (bswapdi2_reg): Likewise.
6835
6836 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
6837
6838         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
6839         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
6840
6841 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6842
6843         PR target/80103
6844         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
6845         add comments.
6846         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
6847         special handling for target option conflicts between dform
6848         options (-mpower9-dform, -mpower9-dform-vector,
6849         -mpower9-dform-scalar) and -mno-direct-move.
6850
6851 2017-03-27  Richard Biener  <rguenther@suse.de>
6852
6853         PR tree-optimization/80181
6854         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
6855
6856 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
6857
6858         * config/arc/predicates.md (move_double_src_operand): Replace the
6859         call to move_double_src_operand with a call to address_operand.
6860
6861 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
6862
6863         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
6864         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
6865         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
6866
6867 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
6868
6869         * config/arc/predicates.md (long_immediate_loadstore_operand):
6870         Consider scaled addresses cases.
6871
6872 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
6873
6874         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
6875         restored when in interrupt.
6876         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
6877         doesn't have delay slot.
6878
6879 2017-03-27  Richard Biener  <rguenther@suse.de>
6880
6881         PR ipa/79776
6882         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
6883         inlined thunk clones.
6884
6885 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
6886
6887         PR sanitizer/80168
6888         * asan.c (instrument_derefs): Copy over last operand from
6889         original COMPONENT_REF to the new COMPONENT_REF with
6890         DECL_BIT_FIELD_REPRESENTATIVE.
6891         * ubsan.c (instrument_object_size): Likewise.
6892
6893 2017-03-27  Richard Biener  <rguenther@suse.de>
6894
6895         PR tree-optimization/80170
6896         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
6897         sure DR/SCEV didnt fold in constants we do not see when looking
6898         at the reference base alignment.
6899
6900 2017-03-27  Richard Biener  <rguenther@suse.de>
6901
6902         PR middle-end/80171
6903         * gimple-fold.c (fold_ctor_reference): Properly guard against
6904         NULL return value from canonicalize_constructor_val.
6905
6906 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
6907
6908         PR target/80180
6909         * config/i386/i386.c (ix86_expand_builtin)
6910         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
6911         flags reg setting and flags reg using instructions.
6912         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
6913         clobbering instructions to zero extend op2.
6914
6915 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
6916
6917         * doc/install.texi (Configuration) <--with-aix-soname>:
6918         Update link to AIX ld.
6919
6920 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
6921
6922         PR rtl-optimization/80160
6923         PR rtl-optimization/80159
6924         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
6925         reg_alternate_class into account.
6926
6927 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
6928
6929         PR target/80148
6930         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
6931         to consider in curr_insn_transform.
6932
6933 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
6934
6935         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
6936         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
6937         and emit_mode_inner.
6938
6939 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6940
6941         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
6942         argument to the overloaded builtin variants.  Use the new flag to
6943         deprecate certain builtin variants.
6944         * config/s390/s390-builtin-types.def: Add new builtin types.
6945         * config/s390/s390-builtins.h: Support new flags field for
6946         overloaded builtins.
6947         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
6948         (s390_macro_to_expand): Enable vector float data type.
6949         (s390_cpu_cpp_builtins_internal): Indicate support of the new
6950         builtins by incrementing the __VEC__ version number.
6951         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
6952         vec_xst.
6953         (s390_resolve_overloaded_builtin): Emit error messages depending
6954         on the builtin flags.
6955         * config/s390/s390.c (s390_expand_builtin): Support additional
6956         flags argument.  Change error message to match the messages
6957         emitted in s390-c.c.
6958         * config/s390/s390.md: New UNSPEC_* constants.
6959         (op_type): Add new instruction types.
6960         * config/s390/vecintrin.h: Add new builtins and test data class
6961         constants.
6962         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
6963         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
6964         (VEC_INEXACT, VEC_NOINEXACT): New constants.
6965         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
6966         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
6967         ("vec_mergel<mode>"): V_HW -> VEC_HW.
6968
6969         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
6970         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
6971         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
6972         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
6973
6974         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
6975         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
6976         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
6977         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
6978
6979         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
6980         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
6981         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
6982         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
6983         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
6984         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
6985         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
6986
6987         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
6988         ("vec_scatter_element<V_HW_4:mode>_DI")
6989         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
6990         ("vec_fpint<mode>", "vflls")
6991         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
6992         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
6993         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
6994         ("*vec_cmphe<mode>_cc"): ... these.
6995
6996         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
6997         mode constant instead of magic value.
6998
6999 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7000
7001         * config/s390/s390.c (s390_expand_vec_compare): Support other
7002         vector floating point modes than just V2DF.
7003         (s390_expand_vcond): Likewise.
7004         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
7005         (s390_cannot_change_mode_class): Prevent mode changes between TF
7006         and V1TF in vector registers.
7007         * config/s390/s390.md (DF, SF): New mode attributes.
7008         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
7009         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
7010         SFmode support for VRs.
7011         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
7012         vector fp modes.
7013         (VFT, VF_HW): New mode iterators.
7014         (vw, sdx): New mode attributes.
7015         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
7016         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
7017         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
7018         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
7019         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
7020         also the new vector floating point modes.  Renaming to ...
7021
7022         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
7023         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
7024         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
7025         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
7026         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
7027         ("vec_unordered<mode>"): ... these.
7028
7029         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
7030         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
7031         ("*vec_extendv2df"): New insn definitions.
7032
7033 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7034
7035         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
7036         ("mulditi3_2", "*muldi3_sign"): New patterns.
7037         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
7038         rename the pattern definition.
7039
7040 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7041
7042         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
7043         expander.
7044         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
7045
7046 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7047
7048         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
7049         instruction if possible.
7050         * config/s390/vector.md (vec_halfnumelts): New mode
7051         attribute.
7052         ("*vec_vllezlf<mode>"): New pattern.
7053
7054 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7055
7056         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
7057         ("popcountv4si2", "popcountv2di2"): Rename to ...
7058         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
7059         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
7060         condition.
7061         ("popcount<mode>2_vxe"): New pattern.
7062
7063 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7064
7065         * common/config/s390/s390-common.c (processor_flags_table): Add
7066         arch12.
7067         * config.gcc: Add arch12.
7068         * config/s390/driver-native.c (s390_host_detect_local_cpu):
7069         Default to arch12 for unknown CPU model numbers.
7070         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
7071         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
7072         PROCESSOR_max sanity check.
7073         * config/s390/s390-opts.h (enum processor_type): Add
7074         PROCESSOR_ARCH12.
7075         * config/s390/s390.c (processor_table): Add arch12.
7076         (s390_expand_builtin): Add check for B_VXE flag.
7077         (s390_issue_rate): Add PROCESSOR_ARCH12.
7078         (s390_get_sched_attrmask): Likewise.
7079         (s390_get_unit_mask): Likewise.
7080         (s390_sched_score): Enable z13 scheduling for arch12.
7081         (s390_sched_reorder): Likewise.
7082         (s390_sched_variable_issue): Likewise.
7083         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
7084         PF_VXE.
7085         (s390_tune_attr): Use z13 scheduling also for arch12.
7086         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
7087         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
7088         (TARGET_VXE_P): New macros.
7089         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
7090         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
7091         * config/s390/s390.opt: Add arch12 as processor_type.
7092
7093 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7094
7095         * config/s390/s390.md
7096         ("fixuns_truncdddi2", "fixuns_trunctddi2")
7097         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
7098         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
7099
7100         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
7101         Rename expanders to ...
7102
7103         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
7104         ("fixuns_truncdddi2_emu"): ... these.
7105
7106         ("fixuns_trunc<mode>si2_emu"): New expander.
7107
7108         ("*fixuns_truncdfdi2_z13"): Rename to ...
7109         ("*fixuns_truncdfdi2_vx"): ... this.
7110
7111 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7112
7113         * config/s390/2964.md: Remove the single element vector compare
7114         instructions which are no longer used.
7115         * config/s390/s390.c (s390_select_ccmode): Remove handling of
7116         vector CCmodes.
7117         (s390_canonicalize_comparison): Remove handling of DFmode
7118         compares.
7119         (s390_expand_vec_compare_scalar): Remove function.
7120         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
7121         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
7122         pattern.
7123         ("*cmp<mode>_ccs"): Add wfcdb instruction.
7124
7125 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7126
7127         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
7128         FP zero.
7129         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
7130         will anyway by matched by mov<mode>_64dfp.
7131
7132 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7133
7134         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
7135         vlef/vstef.  Add missing operand to vleif.
7136
7137 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7138
7139         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
7140         pair for all vector types with 64 bit elements.
7141         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
7142         * config/s390/vector.md (V_HW_64): ... here.
7143         (V_128_NOSINGLE): New mode iterator.
7144         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
7145         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
7146         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
7147         ("*vec_load_pairv2di"): Change to ...
7148         ("*vec_load_pair<mode>"): ... this one.
7149
7150 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7151
7152         * config/s390/constraints.md: Add comments.
7153         (jKK): Reject element sizes > 8 bytes.
7154         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
7155         s_operands.
7156         * config/s390/s390.md: Add the s_operand checks formerly in
7157         s390_split_ok_p to various splitters where they are still
7158         required.
7159         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
7160         for 128 bit vectors.  Plus two splitters.
7161
7162 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7163
7164         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
7165         the file.
7166
7167 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7168
7169         PR target/79893
7170         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
7171         error if the boundary argument is not constant.
7172
7173 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
7174
7175         PR rtl-optimization/80112
7176         * loop-doloop.c (doloop_condition_get): Don't check condition
7177         if cmp isn't SET with IF_THEN_ELSE src.
7178
7179 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7180
7181         PR tree-optimization/80158
7182         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
7183         replacing a candidate statement, also replace it for the
7184         candidate's alternate interpretation.
7185         (replace_rhs_if_not_dup): Likewise.
7186         (replace_one_candidate): Likewise.
7187
7188 2017-03-24  Richard Biener  <rguenther@suse.de>
7189
7190         PR tree-optimization/80167
7191         * graphite-isl-ast-to-gimple.c
7192         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
7193         properly.
7194         (translate_isl_ast_to_gimple::get_rename): Likewise.
7195
7196 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7197
7198         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
7199         handling of certain combinations of target options, including the
7200         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
7201         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
7202
7203 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7204
7205         PR target/71436
7206         * config/arm/arm.md (*load_multiple): Add reload_completed to
7207         matching condition.
7208
7209 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7210             Richard Biener  <rguenth@suse.de>
7211
7212         PR tree-optimization/79908
7213         PR tree-optimization/80136
7214         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
7215         been cast away, gimplify_and_add suffices.
7216
7217 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
7218
7219         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
7220
7221 2017-03-23  Richard Biener  <rguenther@suse.de>
7222
7223         PR tree-optimization/80032
7224         * gimplify.c (gimple_push_cleanup): Forced unconditional
7225         cleanups still have to go to the conditional_cleanups
7226         sequence.
7227
7228 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
7229
7230         PR tree-optimization/80072
7231         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
7232         to unsigned int.
7233         (next_operand_entry_id): Change type to unsigned int.
7234         (sort_by_operand_rank): Make sure to return the right return value
7235         even if unsigned fields are bigger than INT_MAX.
7236         (struct oecount): Change cnt and id type to unsigned int.
7237         (oecount_hasher::equal): Formatting fix.
7238         (oecount_cmp): Make sure to return the right return value
7239         even if unsigned fields are bigger than INT_MAX.
7240         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
7241
7242         PR c++/80129
7243         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
7244         TREE_READONLY on result if writing it more than once.
7245
7246         PR sanitizer/80110
7247         * doc/invoke.texi (-fsanitize=thread): Document that with
7248         -fnon-call-exceptions atomics are not able to throw
7249         exceptions.
7250
7251         PR sanitizer/80110
7252         * tsan.c: Include tree-eh.h.
7253         (instrument_builtin_call): Call maybe_clean_eh_stmt or
7254         maybe_clean_or_replace_eh_stmt where needed.
7255         (instrument_memory_accesses): Add cfg_changed argument.
7256         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
7257         if it returned true.
7258         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
7259
7260         PR rtl-optimization/63191
7261         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
7262         wrapper function, moved the whole old content into ...
7263         (ix86_delegitimize_address_1): ... this.  New inline function.
7264         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
7265         true as last argument instead of ix86_delegitimize_address.
7266
7267 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
7268
7269         * config/aarch64/aarch64.c (generic_branch_cost): Copy
7270         cortexa57_branch_cost.
7271
7272 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
7273
7274         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
7275
7276 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
7277
7278         PR target/80123
7279         * doc/md.texi (Constraints): Document wA constraint.
7280         * config/rs6000/constraints.md (wA): New.
7281         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
7282         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
7283         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
7284         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
7285
7286 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
7287
7288         PR c++/80029
7289         * gimplify.c (is_oacc_declared): New function.
7290         (oacc_default_clause): Use it to set default flags for acc declared
7291         variables inside parallel regions.
7292         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
7293         declared variables.
7294         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
7295         declare attribute to any decl as necessary.
7296
7297 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7298
7299         PR target/80082
7300         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
7301         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
7302         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
7303         (arm_arch_lpae): This.
7304         * config/arm/arm.c (arm_arch7ve): Rename into ...
7305         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
7306         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
7307         arm_arch_lpae.
7308
7309 2017-03-22  Martin Liska  <mliska@suse.cz>
7310
7311         PR target/79906
7312         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
7313         error message instead of an ICE.
7314
7315 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7316
7317         * doc/extend.texi (6.11 Additional Floating Types): Revise.
7318
7319 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7320
7321         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
7322         comments.
7323         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
7324         comments.
7325
7326 2017-03-21  Martin Sebor  <msebor@redhat.com>
7327
7328         * doc/extend.texi: Use "cannot" instead of "can't."
7329         * doc/hostconfig.texi: Same.
7330         * doc/install.texi: Same.
7331         * doc/invoke.texi: Same.
7332         * doc/loop.texi: Same.
7333         * doc/md.texi: Same.
7334         * doc/objc.texi: Same.
7335         * doc/rtl.texi: Same.
7336         * doc/tm.texi: Same.
7337         * doc/tm.texi.in: Same.
7338         * doc/trouble.texi: Same.
7339
7340 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
7341
7342         PR debug/63238
7343         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
7344         (collect_checksum_attributes): Set it.
7345         (die_checksum_ordered): Use it.
7346
7347 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7348
7349         PR tree-optimization/79908
7350         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
7351         change: For a VA_ARG whose LHS has been cast away, use
7352         force_gimple_operand to construct the side effects.
7353
7354 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
7355
7356         PR translation/80001
7357         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
7358         more amenable to translation.
7359         (oacc_loop_auto_partitions): Likewise.
7360
7361 2017-03-21  Marek Polacek  <polacek@redhat.com>
7362             Martin Sebor  <msebor@redhat.com>
7363
7364         PR tree-optimization/80109
7365         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
7366         on INTEGRAL_TYPE_P.
7367
7368 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
7369             Segher Boessenkool  <segher@kernel.crashing.org>
7370
7371         PR target/80125
7372         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
7373         check reg_used_between_p between insn and one of succ or succ2
7374         depending on if succ is artificial insn not inserted into insn
7375         stream.
7376
7377 2017-03-21  Martin Liska  <mliska@suse.cz>
7378
7379         PR gcov-profile/80081
7380         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
7381         * doc/gcc.texi: Include gcov-dump stuff.
7382         * doc/gcov-dump.texi: New file.
7383
7384 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
7385
7386         PR rtl-optimization/79150
7387         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
7388         conditional jump, if the jump is the last insn of the loop.
7389
7390 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7391             Richard Biener  <rguenth@suse.de>
7392
7393         PR tree-optimization/79908
7394         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
7395         been cast away, use force_gimple_operand to construct the side
7396         effects.
7397
7398 2017-03-21  Martin Liska  <mliska@suse.cz>
7399
7400         PR libfortran/79956
7401         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
7402         to NULL.
7403
7404 2017-03-21  Brad Spengler <spender@grsecurity.net>
7405
7406         PR plugins/80094
7407         * plugin.c (htab_hash_plugin): New function.
7408         (add_new_plugin): Use it and adjust.
7409         (parse_plugin_arg_opt): Adjust.
7410         (init_one_plugin): Likewise.
7411
7412 2017-03-21  Richard Biener  <rguenther@suse.de>
7413
7414         PR tree-optimization/80032
7415         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
7416         if set force the cleanup to happen unconditionally.
7417         (gimplify_target_expr): Push inserted clobbers with force_uncond
7418         to avoid them being removed by control-dependent DCE.
7419
7420 2017-03-21  Richard Biener  <rguenther@suse.de>
7421
7422         PR tree-optimization/80122
7423         * tree-inline.c (copy_bb): Do not expans va-arg packs or
7424         va_arg_pack_len when the inlined call stmt requires pack
7425         expansion itself.
7426         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
7427
7428 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
7429
7430         PR sanitizer/78158
7431         * tsan.c (instrument_builtin_call): If the memory model argument
7432         is not a constant, assume it is valid.
7433
7434         PR c/67338
7435         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
7436         avoid UB.
7437
7438 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
7439
7440         PR rtl-optimization/79910
7441         * combine.c (can_combine_p): Do not allow combining an I0 or I1
7442         if its dest is used by an insn before I2 (other than the combined
7443         insns themselves, which are properly handled already).
7444
7445 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
7446
7447         Revert:
7448         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
7449
7450         * combine.c (record_used_regs): New static function.
7451         (try_combine): Handle situations where there is an additional
7452         instruction between I2 and I3 which needs to have a LOG_LINK
7453         updated.
7454
7455         Revert:
7456         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
7457
7458         * combine.c (try_combine): Delete redundant i1 test.  Call
7459         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
7460
7461 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
7462
7463         PR target/80083
7464         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
7465         alternatives 13/14.
7466
7467 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7468
7469         PR tree-optimization/80054
7470         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
7471         the optimization if a PHI or any of its arguments is not dominated
7472         by the candidate's basis.  Use gphi* rather than gimple* as
7473         appropriate.
7474         (replace_profitable_candidates): Clean up a gimple* variable that
7475         should be a gphi* variable.
7476
7477 2017-03-20  Martin Sebor  <msebor@redhat.com>
7478
7479         PR c++/52477
7480         * doc/extend.texi (attribute constructor): Document present limitation.
7481
7482 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7483
7484         PR target/79963
7485         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
7486         __POWER9_VECTOR__ #ifdef control, change template definition to
7487         use Power9-specific built-in function.
7488         (vec_any_eq): Likewise.
7489         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
7490         to control outcomes from this test.
7491         (vector_ae_<mode>p): For VEC_F modes, likewise.
7492
7493 2017-03-20  Ian Lance Taylor  <iant@google.com>
7494
7495         * config/i386/i386.c (ix86_function_regparm): Save an extra
7496         register for -fsplit-stack with DECL_STATIC_CHAIN.
7497
7498 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
7499
7500         PR target/79912
7501         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
7502         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
7503
7504 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
7505
7506         * config/riscv/riscv.c (riscv_print_operand): Use "fence
7507         iorw,ow".
7508         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
7509         iorw,iorw".
7510
7511 2017-03-20  Marek Polacek  <polacek@redhat.com>
7512
7513         PR sanitizer/80063
7514         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
7515
7516 2017-03-20  Richard Biener  <rguenther@suse.de>
7517
7518         PR tree-optimization/80113
7519         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
7520         allocate extra SSA name for PHI def.
7521         (add_close_phis_to_outer_loops): Likewise.
7522         (add_close_phis_to_merge_points): Likewise.
7523         (copy_loop_close_phi_args): Likewise.
7524         (copy_cond_phi_nodes): Likewise.
7525
7526 2017-03-20  Martin Liska  <mliska@suse.cz>
7527
7528         PR middle-end/79753
7529         * tree-chkp.c (chkp_build_returned_bound): Do not build
7530         returned bounds for a LHS that's not a BOUNDED_P type.
7531
7532 2017-03-20  Martin Liska  <mliska@suse.cz>
7533
7534         PR target/79769
7535         PR target/79770
7536         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
7537         COMPLEX_CST and VECTOR_CST.
7538
7539 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7540
7541         PR target/78857
7542         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
7543         target operand.  A new splitter adds the clobber statement in case
7544         the target operand is dead anyway.
7545
7546 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
7547
7548         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
7549         to age-old versions of binutils and glibc.
7550
7551 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
7552
7553         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
7554
7555 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
7556
7557         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
7558
7559 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
7560
7561         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
7562         requirement for binutils 2.13.
7563
7564 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
7565
7566         * combine.c (try_combine): Delete redundant i1 test.  Call
7567         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
7568
7569 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
7570
7571         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
7572         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
7573         contents.
7574         <riscv64-*-elf>: Re-arrange section
7575         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
7576         <riscv32-*-linux>: Likewise.
7577         <riscv64-*-elf>: Likewise
7578         <riscv64-*-linux>: Likewise.
7579
7580 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
7581
7582         PR target/80052
7583         * aarch64.opt(verbose-cost-dump): Fix typo.
7584
7585 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
7586
7587         PR target/79951
7588         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
7589         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
7590
7591 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
7592
7593         * reload.c (find_reloads): When reloading a nonoffsettable address,
7594         use RELOAD_OTHER for it and its address reloads.
7595
7596         PR rtl-optimization/79910
7597         * combine.c (record_used_regs): New static function.
7598         (try_combine): Handle situations where there is an additional
7599         instruction between I2 and I3 which needs to have a LOG_LINK
7600         updated.
7601
7602 2017-03-17  Jeff Law  <law@redhat.com>
7603
7604         PR tree-optimization/71437
7605         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
7606         conditional in the hash table first.
7607         (vrp_dom_walker::before_dom_children): Extract condition from
7608         ASSERT_EXPR.  Record condition, its inverion and any implied
7609         conditions as well.
7610
7611 2017-03-17  Marek Polacek  <polacek@redhat.com>
7612             Markus Trippelsdorf  <markus@trippelsdorf.de>
7613
7614         PR tree-optimization/80079
7615         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
7616         m_stores_head.
7617
7618 2017-03-17  Richard Biener  <rguenther@suse.de>
7619
7620         PR middle-end/80075
7621         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
7622         Properly verify the LHS before the RHS possibly claims to be
7623         handled.
7624         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
7625         do not throw.
7626
7627 2017-03-17  Martin Jambor  <mjambor@suse.cz>
7628
7629         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
7630         (List of -O2 options): Likewise.
7631         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
7632         (-fipa-vrp) New.
7633
7634 2017-03-17  Tom de Vries  <tom@codesourcery.com>
7635
7636         * gcov-dump.c (print_usage): Print bug_report_url.
7637
7638 2017-03-17  Richard Biener  <rguenther@suse.de>
7639
7640         PR middle-end/80050
7641         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
7642         (parser::peek): Likewise.
7643
7644 2017-03-17  Richard Biener  <rguenther@suse.de>
7645
7646         PR tree-optimization/80048
7647         * sese.c (free_sese_info): Properly release rename_map and
7648         copied_bb_map elements.
7649
7650 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
7651
7652         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
7653         Add linked-list forward and backlinks.  Insert on
7654         construction, remove on destruction.
7655         (class pass_store_merging): Add m_stores_head field.
7656         (pass_store_merging::terminate_and_process_all_chains):
7657         Iterate over m_stores_head list.
7658         (pass_store_merging::terminate_all_aliasing_chains):
7659         Likewise.
7660         (pass_store_merging::execute): Check for debug stmts first.
7661         Push new chains onto the m_stores_head stack.
7662
7663 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
7664
7665         PR target/71294
7666         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
7667         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
7668         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
7669
7670 2017-03-16  Jeff Law  <law@redhat.com>
7671
7672         PR tree-optimization/71437
7673         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
7674         member function.  Implementation moved into after_dom_children
7675         member function and into the threader's thread_outgoing_edges
7676         function.
7677         (dom_opt_dom_walker::after_dom_children): Simplify by moving
7678         some code into new thread_outgoing_edges.
7679         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
7680         definition.  Simplify marker handling (do it here).   Assume we always
7681         have the available expression and the const/copies tables.
7682         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
7683         and tree-vrp.c
7684         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
7685         * tree-vrp.c (equiv_stack): No longer file scoped.
7686         (vrp_dom_walker): New class.
7687         (vrp_dom_walker::before_dom_children): New member function.
7688         (vrp_dom_walker::after_dom_children): Likewise.
7689         (identify_jump_threads):  Setup domwalker.  Use it rather than
7690         walking edges in a random order by hand.  Simplify setup/finalization.
7691         (finalize_jump_threads): Remove.
7692         (vrp_finalize): Do not call identify_jump_threads here.
7693         (execute_vrp): Do it here instead and call thread_through_all_blocks
7694         here too.
7695
7696         PR tree-optimization/71437
7697         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
7698         callers changed.
7699         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
7700         callers changed.
7701         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
7702         (dom_opt_dom_walker::thread_across_edge): Remove
7703         handle_dominating_asserts argument.  All callers changed.
7704         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
7705         changes.  Remove calls to lhs_of_dominating_assert.  Other
7706         uses of handle_dominating_asserts turn into unconditional code
7707         (simplify_control_stmt_condition_1): Likewise.
7708         (simplify_control_stmt_condition): Likewise.
7709         (thread_through_normal_block, thread_across_edge): Likewise.
7710         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
7711         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
7712         object if it is not an SSA_NAME.
7713         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
7714         before calling into the VRP specific simplifiers.
7715         (identify_jump_threads): Remove handle_dominating_asserts
7716         argument.
7717
7718 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
7719
7720         PR fortran/79886
7721         * tree-diagnostic.c (default_tree_printer): No longer static.
7722         * tree-diagnostic.h (default_tree_printer): New prototype.
7723
7724 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
7725
7726         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
7727         Change ins into fmov.
7728
7729 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7730
7731         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
7732         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
7733         Use h_con constraint for operand 1.
7734         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
7735         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
7736
7737 2017-03-15  Jeff Law  <law@redhat.com>
7738
7739         PR tree-optimization/71437
7740         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
7741         (record_temporary_equivalences): Use it.
7742
7743         PR tree-optimization/71437
7744         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
7745         tree-ssa-scopedtables.
7746         (lookup_avail_expr, build_and_record_new_cond): Likewise.
7747         (record_conditions, record_cond, vuse_eq): Likewise.
7748         (record_edge_info): Adjust to API tweak of record_conditions.
7749         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
7750         (record_temporary_equivalences, optimize_stmt): Likewise.
7751         (eliminate_redundant_computations): Likewise.
7752         (record_equivalences_from_stmt): Likewise.
7753         * tree-ssa-scopedtables.c: Include options.h and params.h.
7754         (vuse_eq): New function, moved from tree-ssa-dom.c
7755         (build_and_record_new_cond): Likewise.
7756         (record_conditions): Likewise.  Accept vector of conditions rather
7757         than edge_equivalence structure for first argument.
7758         for the first argument.
7759         (avail_exprs_stack::lookup_avail_expr): New member function, moved
7760         from tree-ssa-dom.c.
7761         (avail_exprs_stack::record_cond): Likewise.
7762         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
7763         from tree-ssa-dom.c.
7764         (avail_exprs_stack): Add new member functions lookup_avail_expr
7765         and record_cond.
7766         (record_conditions): Declare.
7767
7768 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
7769
7770         PR target/80017
7771         * lra-constraints.c (process_alt_operands): Increase reject for
7772         reloading an input/output operand.
7773
7774 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
7775
7776         PR target/79038
7777         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
7778         insns to convert from signed/unsigned char/short to IEEE 128-bit
7779         floating point.
7780         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
7781
7782 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
7783
7784         PR target/80019
7785         * config/i386/i386.c (ix86_vector_duplicate_value): Create
7786         subreg of inner mode for values already in registers.
7787
7788 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
7789
7790         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
7791         iteration reg is used after the loop.
7792
7793 2017-03-14  Martin Sebor  <msebor@redhat.com>
7794
7795         PR tree-optimization/79800
7796         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
7797         precision in negative-positive range.
7798         (format_floating): Call non-const overload with adjusted precision.
7799
7800 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
7801
7802         PR target/79947
7803         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
7804         -mpowerpc-gfxopt.
7805
7806 2017-03-14  Martin Sebor  <msebor@redhat.com>
7807
7808         PR middle-end/80020
7809         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
7810         * builtins.def (aligned_alloc): Use it.
7811
7812         PR c/79936
7813         * Makefile.in (GTFILES): Add calls.c.
7814         * calls.c: Include "gt-calls.h".
7815
7816 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
7817
7818         PR rtl-optimization/79728
7819         * regs.h (struct target_regs): New field
7820         x_contains_allocatable_regs_of_mode.
7821         (contains_allocatable_regs_of_mode): New macro.
7822         * reginfo.c (init_reg_sets_1): Initialize it, and change
7823         contains_reg_of_mode so it includes global regs as well.
7824         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
7825         rather than contains_regs_of_mode.
7826
7827 2017-03-14  Martin Liska  <mliska@suse.cz>
7828
7829         * doc/invoke.texi: Document options that can't be combined with
7830         -fcheck-pointer-bounds.
7831
7832 2017-03-14  Martin Liska  <mliska@suse.cz>
7833
7834         PR middle-end/79831
7835         * doc/invoke.texi (-Wchkp): Document the option.
7836
7837 2017-03-14  Martin Liska  <mliska@suse.cz>
7838
7839         * Makefile.in: Install gcov-dump.
7840
7841 2017-03-14  Martin Liska  <mliska@suse.cz>
7842
7843         * multiple_target.c (expand_target_clones): Bail out for
7844         an invalid attribute.
7845
7846 2017-03-14  Richard Biener  <rguenther@suse.de>
7847
7848         * alias.c (struct alias_set_entry): Pack properly.
7849         * cfgloop.h (struct loop): Likewise.
7850         * cse.c (struct set): Likewise.
7851         * ipa-utils.c (struct searchc_env): Likewise.
7852         * loop-invariant.c (struct invariant): Likewise.
7853         * lra-remat.c (struct cand): Likewise.
7854         * recog.c (struct change_t): Likewise.
7855         * rtl.h (struct address_info): Likewise.
7856         * symbol-summary.h (function_summary): Likewise.
7857         * tree-loop-distribution.c (struct partition): Likewise.
7858         * tree-object-size.c (struct object_size_info): Likewise.
7859         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
7860         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
7861         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
7862         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
7863         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
7864         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
7865         (struct _stmt_vec_info): Likewise.
7866
7867 2017-03-14  Martin Liska  <mliska@suse.cz>
7868
7869         PR target/79892
7870         * multiple_target.c (create_dispatcher_calls): Check that
7871         a target can create a function dispatcher.
7872
7873 2017-03-14  Martin Liska  <mliska@suse.cz>
7874
7875         PR lto/66295
7876         * multiple_target.c (expand_target_clones): Drop local.local
7877         flag for default implementation.
7878
7879 2017-03-14  Richard Biener  <rguenther@suse.de>
7880
7881         PR tree-optimization/80030
7882         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
7883
7884 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
7885
7886         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
7887         gcc_fallthrough() instead of __attribute__((fallthrough));
7888
7889 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
7890
7891         * doc/gcc.texi: Remove "up" link to (DIR).
7892         * doc/gccint.texi: Ditto.
7893
7894 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
7895
7896         * doc/install.texi (Specific) <avr>: Remove reference to
7897         binutils 2.13.
7898
7899 2017-03-13  Jeff Law  <law@redhat.com>
7900
7901         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
7902         attribute rather than comments.
7903
7904         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
7905         match_scratch operand is highest.
7906
7907 2017-03-13  Martin Liska  <mliska@suse.cz>
7908
7909         PR middle-end/78339
7910         * ipa-pure-const.c (warn_function_noreturn): If the declarations
7911         is a CHKP clone, use original declaration.
7912
7913 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
7914
7915         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
7916         (arc_conditional_register_usage): Use a different allocation order
7917         when optimizing for size.
7918         * common/config/arc/arc-common.c (arc_option_optimization_table):
7919         Section anchors default on when optimizing for size.
7920
7921 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
7922
7923         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
7924
7925 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
7926
7927         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
7928         * config/arc/arc.md (cpu_facility): Add cd variant.
7929         (*movqi_insn): Add code density variant.
7930         (*movhi_insn): Likewise.
7931         (*movqi_insn): Likewise.
7932         (*addsi3_mixed): Likewise.
7933         (subsi3_insn): Likewise.
7934
7935 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
7936
7937         * config/arc/arc.md (movsi_cond_exec): Update constraint.
7938
7939 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
7940
7941         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
7942         expressions with MINUS and UNARY ops.
7943
7944 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7945
7946         PR target/79911
7947         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
7948         Rename to...
7949         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
7950         between vec_select and vector argument.
7951         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
7952         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
7953         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
7954         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
7955         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
7956         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
7957
7958 2017-03-13  Richard Biener  <rguenther@suse.de>
7959
7960         PR other/79991
7961         * params.def (vect-max-peeling-for-alignment): Fix typo.
7962
7963 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
7964
7965         * doc/install.texi (Specific) <mips-*-*>: Remove description of
7966         issue that only occurred with binutils below 2.18.
7967
7968 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
7969
7970         * doc/install.texi (Specific) <cris-axis-elf>: No longer
7971         refer to binutils 2.11/2.12 minimum.
7972
7973 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
7974
7975         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
7976         ftp.kernel.org and simplify binutils requirement.
7977
7978 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
7979
7980         * doc/invoke.texi (Warning Options): Fix spelling of link-time
7981         optimization.
7982         (Optimize Options): Ditto.  Also remove redundancy.
7983
7984 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
7985
7986         PR translation/79848
7987         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
7988         "%qs".
7989         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
7990         to G_ to avoid double translation.
7991
7992 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
7993
7994         PR translation/79923
7995         * auto-profile.c (get_combined_location): Convert leading
7996         character of diagnostics to lower case and remove trailing period.
7997         (read_profile): Likewise for various diagnostics.
7998         * config/arm/arm.c (arm_option_override): Remove trailing period
7999         from various diagnostics.
8000         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
8001         (msp430_expand_delay_cycles): Likewise.
8002
8003 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
8004
8005         PR target/79925
8006         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
8007         full command-line argument, rather than just "str".
8008         (aarch64_validate_march): Likewise.
8009         (aarch64_validate_mtune): Likewise.
8010
8011 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
8012
8013         PR rtl-optimization/78911
8014         * lra-assigns.c (must_not_spill_p): New function.
8015         (spill_for): Use it.
8016
8017 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
8018
8019         PR tree-optimization/79981
8020         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
8021         ATOMIC_COMPARE_EXCHANGE ifn result.
8022         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
8023         IFN_ATOMIC_COMPARE_EXCHANGE.
8024
8025 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
8026
8027         PR driver/79875
8028         * opts.c (parse_sanitizer_options): Add missing question mark to
8029         "did you mean" message.
8030
8031 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8032
8033         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
8034         built-in.
8035         (VMULEUH_UNS): Likewise.
8036         (VMULOUB_UNS): Likewise.
8037         (VMULOUH_UNS): Likewise.
8038         * config/rs6000/rs6000.c (builtin_function_type): Remove
8039         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
8040
8041 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
8042
8043         PR bootstrap/79952
8044         * read-rtl-function.c (function_reader::read_rtx_operand): Update
8045         x with result of extra_parsing_for_operand_code_0.
8046         (function_reader::extra_parsing_for_operand_code_0): Convert
8047         return type from void to rtx, returning x.  When reading
8048         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
8049         larger size containing struct block_symbol.
8050
8051 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
8052
8053         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
8054         -mfloat128-hardware without -m64.
8055
8056 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
8057
8058         PR target/79941
8059         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
8060         entries to the case statement that marks unsigned arguments to
8061         overloaded functions.
8062
8063 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8064
8065         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
8066         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
8067
8068 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
8069
8070         PR target/79907
8071         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
8072         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
8073
8074 2017-03-10  Martin Liska  <mliska@suse.cz>
8075
8076         PR target/65705
8077         PR target/69804
8078         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
8079         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
8080         FIELD != NULL.
8081
8082 2017-03-10  Olivier Hainque  <hainque@adacore.com>
8083
8084         * tree-switch-conversion (array_value_type): Start by resetting
8085         candidate type to it's main variant.
8086
8087 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
8088
8089         PR rtl-optimization/79909
8090         * combine.c (try_combine): Use simplify_replace_rtx on individual
8091         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
8092         of the whole CALL_INSN_FUNCTION_USAGE.
8093
8094         PR tree-optimization/79972
8095         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
8096         get_range_info on SSA_NAMEs.  Formatting fixes.
8097
8098 2017-03-10  Richard Biener  <rguenther@suse.de>
8099             Jakub Jelinek  <jakub@redhat.com>
8100
8101         PR tree-optimization/77975
8102         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
8103         edge to be constant.
8104         (get_val_for): For constant x return it.  Formatting fix.
8105         (loop_niter_by_eval): Avoid pointless looping if the next iteration
8106         would use the same bases as the current one.
8107
8108 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8109
8110         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
8111         instead of vec_select for V1TImode.
8112         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
8113         longer needed.
8114         (VSX_LE_128): Add V1TI to this mode iterator.
8115         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
8116         (*vsx_le_perm_store_<mode>): Likewise.
8117         (pre-reload splitter for VSX stores): Likewise.
8118         (post-reload splitter for VSX stores): Likewise.
8119         (*vsx_xxpermdi2_le_<mode>): Likewise.
8120         (*vsx_lxvd2x2_le_<mode>): Likewise.
8121         (*vsx_stxvd2x2_le_<mode>): Likewise.
8122
8123 2017-03-09  Michael Eager  <eager@eagercon.com>
8124
8125         Correct failures with --enable-checking=yes,rtl.
8126
8127         * config/microblaze/microblaze.c (microblaze_expand_shift):
8128         Replace GET_CODE test with CONST_INT_P and INTVAL test with
8129         test for const0_rtx.
8130         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
8131         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
8132
8133 2017-03-09  Richard Biener  <rguenther@suse.de>
8134
8135         PR tree-optimization/79977
8136         * graphite-scop-detection.c (scop_detection::merge_sese):
8137         Handle the case of extra exits to blocks dominating the entry.
8138
8139 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
8140
8141         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
8142         Document rdynamic.
8143
8144 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
8145
8146         PR rtl-optimization/79949
8147         * lra-constraints.c (process_alt_operands): Check memory when
8148         trying to predict a cycle.  Print about the overall increase.
8149
8150 2017-03-09  Richard Biener  <rguenther@suse.de>
8151
8152         PR middle-end/79971
8153         * gimple-expr.c (useless_type_conversion_p): Preserve
8154         TYPE_SATURATING for fixed-point types.
8155
8156 2017-03-09  Richard Biener  <rguenther@suse.de>
8157
8158         PR ipa/79970
8159         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
8160         alignment of BLKmode params.
8161
8162 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8163
8164         PR target/79913
8165         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
8166         (VALL_NO_V2Q): Likewise.
8167         (VDQF_DF): Delete.
8168         * config/aarch64/aarch64-simd.md
8169         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
8170         iterator.
8171         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
8172         VALL_NO_V2Q mode iterator.
8173         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
8174
8175 2017-03-09  Martin Liska  <mliska@suse.cz>
8176
8177         PR tree-optimization/79631
8178         * tree-chkp-opt.c (chkp_is_constant_addr): Call
8179         tree_int_cst_sign_bit just for INTEGER constants.
8180
8181 2017-03-09  Martin Liska  <mliska@suse.cz>
8182
8183         PR target/65705
8184         PR target/69804
8185         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
8186         sanitizers.
8187
8188 2017-03-09  Marek Polacek  <polacek@redhat.com>
8189
8190         PR c++/79672
8191         * tree.c (inchash::add_expr): Handle TREE_VEC.
8192
8193 2017-03-09  Martin Liska  <mliska@suse.cz>
8194
8195         PR ipa/79764
8196         (chkp_narrow_size_and_offset): New function.
8197         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
8198         (void chkp_parse_bit_field_ref): New function.
8199         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
8200         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
8201
8202 2017-03-09  Martin Liska  <mliska@suse.cz>
8203
8204         PR ipa/79761
8205         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
8206         (chkp_find_bounds_1): Remove gcc_unreachable.
8207
8208 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
8209
8210         PR sanitizer/79944
8211         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
8212         BUILT_IN_SYNC*, determine the access type from the size suffix and
8213         always build a MEM_REF with that type.  Handle forgotten
8214         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
8215
8216         PR target/79932
8217         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
8218         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
8219         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
8220         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
8221         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
8222         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
8223         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
8224         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
8225         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
8226         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
8227         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
8228         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
8229         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
8230         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
8231         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
8232         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
8233         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
8234         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
8235         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
8236         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
8237         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
8238         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
8239         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
8240         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
8241         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
8242         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
8243         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
8244         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
8245         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
8246         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
8247         definitions outside of __OPTIMIZE__ guarded section.
8248
8249         PR target/79932
8250         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
8251         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
8252         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
8253         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
8254         guarded section.
8255
8256 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8257
8258         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
8259         ("vfenez<mode>"): Add missing constraints.
8260
8261 2017-03-08  Martin Sebor  <msebor@redhat.com>
8262
8263         PR target/79928
8264         * config/nds32/nds32.c (nds32_option_override):
8265         Fix misspelled diagnostic.
8266
8267 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
8268
8269         PR c/79940
8270         * gimplify.c (gimplify_omp_for): Replace index var in outer
8271         taskloop statement with an artificial variable and add
8272         OMP_CLAUSE_PRIVATE clause for it.
8273
8274 2017-03-08  Richard Biener  <rguenther@suse.de>
8275
8276         PR tree-optimization/79955
8277         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
8278         for accesses that are completely outside of the variable.
8279
8280 2017-03-08  Andrew Haley  <aph@redhat.com>
8281
8282         PR tree-optimization/79943
8283         * tree-ssa-loop-split.c (compute_new_first_bound): When
8284         calculating the new upper bound, (END-BEG) should be added, not
8285         subtracted.
8286
8287 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
8288
8289         * config/avr/avr.md (setmemhi): Make sure match_dup
8290         operand number comes before match_scratch.
8291
8292 2017-03-08  Richard Biener  <rguenther@suse.de>
8293
8294         PR tree-optimization/79920
8295         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
8296         with ncopies == 1 to ...
8297         (vect_transform_slp_perm_load): ... here.  Properly compute
8298         all element loads by iterating VF times over the group.  Do
8299         not handle ncopies (computed in a broken way) in
8300         vect_create_mask_and_perm.
8301
8302 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
8303
8304         PR sanitizer/79904
8305         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
8306         is a uniform vector, use uniform_vector_p return value instead of
8307         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
8308
8309 2017-03-07  Marek Polacek  <polacek@redhat.com>
8310
8311         PR middle-end/79809
8312         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
8313         (alloca_call_type): Likewise.
8314
8315 2017-03-07  Martin Liska  <mliska@suse.cz>
8316
8317         * gcov.c (process_args): Put comment to correct location.
8318
8319 2017-03-07  Martin Liska  <mliska@suse.cz>
8320
8321         PR middle-end/68270
8322         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
8323         Use array_at_struct_end_p instead of DECL_CHAIN (field).
8324         (chkp_narrow_bounds_for_field): Likewise.
8325         (chkp_parse_array_and_component_ref): Pass one more argument to
8326         call.
8327
8328 2017-03-07  Richard Biener  <rguenther@suse.de>
8329
8330         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
8331         preheaders.
8332
8333 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
8334
8335         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
8336         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
8337
8338 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8339
8340         PR c/79855
8341         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
8342         to end of description.
8343         (PARAM_MAX_STORES_TO_MERGE): Likewise.
8344
8345 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
8346
8347         PR rtl-optimization/79901
8348         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
8349         ...
8350         (*avx512f_<code><mode>3<mask_name>): ... this.
8351         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
8352         iterator instead of VI8_AVX2_AVX512BW.
8353
8354         PR rtl-optimization/79901
8355         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
8356         min/max expander, expand it using expand_vec_cond_expr.
8357
8358         PR sanitizer/79897
8359         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
8360         temporary.
8361
8362 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
8363
8364         PR c++/79821
8365         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
8366         to void * for PCH reasons.
8367         * dwarf2out.c (output_loc_operands, output_die): Cast
8368         v.val_vec.array to unsigned char *.
8369
8370 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
8371
8372         PR target/77850
8373         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
8374         vector types.
8375
8376 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
8377
8378         PR rtl-optimization/79571
8379         * lra-constraints.c (process_alt_operands): Calculate static
8380         reject and subtract it from overall when only addresses will be
8381         reloaded.
8382
8383 2017-03-06  Julia Koval  <julia.koval@intel.com>
8384
8385         PR target/79793
8386         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
8387         incoming stack boundary to 128 for 64-bit targets.
8388
8389 2017-03-06  Richard Biener  <rguenther@suse.de>
8390
8391         PR tree-optimization/79894
8392         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
8393         to NULL after folding it.
8394
8395 2017-03-06  Richard Biener  <rguenther@suse.de>
8396
8397         PR tree-optimization/79824
8398         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
8399         check disabling peeling for gaps.
8400
8401 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
8402
8403         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
8404         attributes): Document gettimeofday.
8405
8406 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
8407
8408         * config/s390/s390.c (s390_option_override_internal): Set
8409         PARAM_MIN_VECT_LOOP_BOUND
8410
8411 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
8412
8413         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
8414         * config/s390/s390.md: Likewise.
8415
8416 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
8417
8418         PR target/79812
8419         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
8420         (<avx2_avx512>_perm<mode>): Rename to ...
8421         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
8422         of VI8F_256_512.
8423         (<avx512>_perm<mode>_mask): Rename to ...
8424         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
8425         of VI8F_256_512.
8426         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
8427         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
8428         instead of VI8F_256_512.
8429         (avx512f_perm<mode>): New define_expand.
8430         (avx512f_perm<mode>_mask): Likewise.
8431         (avx512f_perm<mode>_1<mask_name>): New define_insn.
8432         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
8433
8434 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
8435
8436         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
8437         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
8438         if_then_else.
8439         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
8440
8441 2017-03-06  Martin Liska  <mliska@suse.cz>
8442
8443         PR sanitize/79783
8444         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
8445         when having a SSA NAME w/o VAR_DECL assigned to it.
8446
8447 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
8448
8449         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
8450         msa_dpsub_<su>_d): Fix MODE for vec_select.
8451
8452 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
8453
8454         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
8455         argument.
8456         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
8457
8458 2017-03-06  Richard Biener  <rguenther@suse.de>
8459
8460         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
8461         * plugin.c (register_plugin_info): Likewise.
8462         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
8463
8464 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
8465
8466         * config/i386/sse.md (sse_storehps, sse_storelps,
8467         avx_<castmode><avxsizesuffix>_<castmode>,
8468         avx512f_<castmode><avxsizesuffix>_<castmode>,
8469         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
8470         in condition that at least one operand is not a MEM.
8471
8472 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
8473
8474         PR middle-end/79805
8475         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
8476         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
8477         ECF_NOTHROW.
8478         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
8479         gimple_call_nothrow_p flag based on whether original builtin can throw.
8480         If it can, emit following stmts on the fallthrough edge.
8481         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
8482         don't create new bb if inserting just debug stmts on the edge, try to
8483         insert them on the fallthru bb or just reset debug stmts.
8484
8485 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
8486
8487         PR target/43763
8488         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
8489         restore recog_data (including the operand rtxes inside it) around
8490         the call to get_insn_template.
8491
8492 2017-03-03  Martin Sebor  <msebor@redhat.com>
8493
8494         PR tree-optimization/79699
8495         * context.c (context::~context): Free MPFR caches to avoid
8496         a memory leak on program exit.
8497
8498 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8499
8500         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
8501         Use wide_int::ulow () instead of .elt (0).
8502
8503 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
8504
8505         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
8506         (*pushxf): Limit oF constraint to 32bit targets and add oC
8507         constraint for 64bit targets.
8508         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
8509         (*pushdf): Change rmF constraint to rmC.
8510
8511 2017-03-03  Martin Liska  <mliska@suse.cz>
8512
8513         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
8514         Remove unused variable.
8515
8516 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
8517
8518         PR target/79807
8519         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
8520         is a memory operand, increase num_memory.
8521         (ix86_expand_args_builtin): Likewise.
8522
8523 2017-03-03  Jan Hubicka  <jh@suse.cz>
8524
8525         PR lto/79760
8526         * ipa-devirt.c (maybe_record_node): Properly handle
8527         __cxa_pure_virtual visibility.
8528
8529 2017-03-03  Martin Liska  <mliska@suse.cz>
8530
8531         PR tree-optimization/79803
8532         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
8533         assert.
8534         (pass_loop_prefetch::execute): Disabled optimization if an
8535         assumption about L1 cache size is not met.
8536
8537 2017-03-03  Martin Liska  <mliska@suse.cz>
8538
8539         PR rtl-optimization/79574
8540         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
8541         (hash_scan_set): Likewise.
8542         (dump_hash_table): Likewise.
8543         (hoist_code): Likewise.
8544
8545 2017-03-03  Richard Biener  <rguenther@suse.de>
8546
8547         * fixed-value.c (fixed_from_string): Restore use of elt (1)
8548         in place of uhigh ().
8549         (fixed_convert_from_real): Likewise.
8550
8551 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
8552
8553         PR target/79514
8554         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
8555
8556 2017-03-03  Richard Biener  <rguenther@suse.de>
8557
8558         PR middle-end/79818
8559         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
8560         TYPE_OVERFLOW_UNDEFINED check.
8561
8562 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8563
8564         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
8565         numbers.
8566         (vector_ae_<mode>_p): Likewise.
8567         (vector_nez_<mode>_p): Likewise.
8568         (vector_ne_v2di_p): Likewise.
8569         (vector_ae_v2di_p): Likewise.
8570         (vector_ne_<mode>_p): Likewise.
8571         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
8572         numbers.
8573         (vsx_tsqrt<mode>2_fe): Likewise.
8574
8575 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
8576
8577         PR target/79514
8578         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
8579
8580 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
8581
8582         PR rtl-optimization/79780
8583         * cprop.c (one_cprop_pass): When second and further conditional trap
8584         in a single basic block is turned into an unconditional trap, turn it
8585         into a deleted note to avoid RTL verification failures.
8586
8587 2017-03-02  Richard Biener  <rguenther@suse.de>
8588
8589         * fold-const.c (const_binop): Use ulow () instead of elt (0).
8590
8591 2017-03-02  Richard Biener  <rguenther@suse.de>
8592
8593         PR tree-optimization/79345
8594         PR c++/42000
8595         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
8596         param and abort the walk, returning -1 if it is hit.
8597         (walk_aliased_vdefs): Take a limit param and pass it on.
8598         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
8599         defaulting to 0 and return a signed int.
8600         * tree-ssa-uninit.c (struct check_defs_data): New struct.
8601         (check_defs): New helper.
8602         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
8603         about uninitialized memory.
8604         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
8605         bogus uninitialized warning.
8606         (fixed_convert_from_real): Likewise.
8607
8608 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
8609
8610         PR tree-optimization/66768
8611         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
8612         iv_use if base object can't be determined.
8613
8614 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
8615
8616         PR tree-optimization/79345
8617         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
8618         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
8619         (get_pattern_stats): Initialize it.
8620         * genemit.c (gen_expand): Verify match_scratch numbers come after
8621         match_operand/match_dup numbers.
8622         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
8623         match_scratch numbers.
8624         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
8625         Likewise.
8626         * config/s390/s390.md (trunctdsd2): Likewise.
8627
8628 2017-03-02  Richard Biener  <rguenther@suse.de>
8629
8630         * wide-int.h (wide_int_storage::operator=): Implement in terms
8631         of wi::copy.
8632
8633 2017-03-02  Richard Biener  <rguenther@suse.de>
8634
8635         PR tree-optimization/79777
8636         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
8637         the to insert expression to sth existing.
8638
8639 2017-03-01  Martin Sebor  <msebor@redhat.com>
8640
8641         PR middle-end/79692
8642         * gimple-ssa-sprintf.c
8643         (directive::known_width_and_precision): New function.
8644         (format_integer): Use it.
8645         (get_mpfr_format_length): Consider the full range of precision
8646         when computing %g output with the # flag.  Set the likely byte
8647         count to 3 rather than 1 when precision is indeterminate.
8648         (format_floating): Correct the lower bound of precision.
8649
8650 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8651
8652         * doc/invoke.texi: Document default code model for 64-bit Linux.
8653
8654 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
8655
8656         PR target/79752
8657         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
8658         udiv rather than div since input pattern is unsigned.
8659
8660 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
8661
8662         * config/i386/i386.c (print_reg): Warn for values of
8663         unsupported size in integer register.
8664
8665 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
8666
8667         PR target/79439
8668         * config/rs6000/predicates.md (current_file_function_operand): Do
8669         not allow self calls to be local if the function is replaceable.
8670
8671 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8672
8673         PR target/79395
8674         * config/rs6000/altivec.h (vec_ctz and others): Change the
8675         preprocessor macro that controls conditional compilation from
8676         _ARCH_PWR9 to __POWER9_VECTOR__.
8677         (vec_all_ne): Change parameterization of __altivec_scalar_pred
8678         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
8679         control (instead of _ARCH_PWR9 control) so that template
8680         definition uses power9-specific function.
8681         (vec_any_eq): Likewise.
8682         (vec_all_ne): Change macro definition to use a power9-specific
8683         expansion under #ifdef __POWER9_VECTOR__ control (instead of
8684         _ARCH_PWR9 control).
8685         (vec_any_eq) Likewise.
8686         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
8687         expansion for CMPNEF to remove support for xvcmpnesp instruction.
8688         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
8689         support for xvcmpnedp instruction.
8690         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
8691         macro expansion so that Power9 implementation of vec_all_ne does
8692         not use the AltiVec predicate framework.
8693         (VCMPNEH_P): Likewise.
8694         (VCMPNEW_P): Likewise.
8695         (VCMPNED_P): Likewise.
8696         (VCMPNEFP_P): Likewise.
8697         (VCMPNEDP_P): Likewise.
8698         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
8699         implementation of vec_any_eq to not use AltiVec predicate
8700         framework.
8701         (VCMPAEH_P): Likewise.
8702         (VCMPAEW_P): Likewise.
8703         (VCMPAED_P): Likewise.
8704         (VCMPAEFP_P): Likewise.
8705         (VCMPAEDP_P): Likewise.
8706         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
8707         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
8708         not use the AltiVec predicate framework.
8709         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
8710         of vec_any_eq to not use AltiVec predicate framework.
8711         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
8712         support for predefined __POWER9_VECTOR__ macro to indicate that
8713         Power9 instruction selection is enabled.
8714         (altivec_overloaded_builtins): Remove extraneous
8715         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
8716         function argument types RS6000_BTI_bool_V16QI and
8717         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
8718         entry for overloaded function argument types RS6000_BTI_bool_V4SI
8719         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
8720         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
8721         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
8722         Power9 for implementations of vec_cmpne.  Change the signature for
8723         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
8724         (representing vec_all_ne) to remove the previously described first
8725         argument of type RS6000_BTI_INTSI, as this was an artifact of
8726         reliance on the AltiVec predicate framework, which is no longer
8727         used in the implementation of these functions.  Add
8728         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
8729         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
8730         since, unlike the AltiVec predicate framework implementation, we
8731         do not share function descriptors between vec_alle and vec_anyeq.
8732         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
8733         set of modes that receive special treatment even when
8734         TARGET_P9_VECTOR is true.  The special treatment emits code that
8735         does not depend on Power9 instructions.
8736         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
8737         define_expand to not rely on AltiVec predicate framework.
8738         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
8739         function.
8740         (vector_ne_v2di_p): Change this define_expand to not rely on
8741         AltiVec predicate framework.
8742         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
8743         function.
8744         (vector_ne_<mode>_p): Change this define_expand to not rely on
8745         AltiVec predicate framework.
8746         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
8747         function.
8748         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
8749         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
8750         define_insn pattern.
8751         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
8752         define_insn pattern because the xvcmpne<VSs>. instruction is not
8753         supported.
8754         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
8755         instruction is not supported.
8756
8757 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
8758
8759         * config/nvptx/nvptx.c: Include intl.h.
8760
8761 2017-03-01  Martin Jambor  <mjambor@suse.cz>
8762
8763         PR lto/78140
8764         * ipa-prop.h (ipa_bits): Removed field known.
8765         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
8766         to pointers.  Adjusted their comments to warn about their sharing.
8767         (ipcp_transformation_summary): Change bits to a vector of pointers.
8768         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
8769         (ipa_get_ipa_bits_for_value): Declare.
8770         * tree-vrp.h (value_range): Mark as GTY((for_user)).
8771         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
8772         (ipa_bits_hash_table): Likewise.
8773         (ipa_vr_ggc_hash_traits): Likewise.
8774         (ipa_vr_hash_table): Likewise.
8775         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
8776         being pointers and vr_known being removed.
8777         (ipa_set_jf_unknown): Likewise.
8778         (ipa_get_ipa_bits_for_value): New function.
8779         (ipa_set_jfunc_bits): Likewise.
8780         (ipa_get_value_range): New overloaded functions.
8781         (ipa_set_jfunc_vr): Likewise.
8782         (ipa_compute_jump_functions_for_edge): Use the above functions to
8783         construct bits and vr parts of jump functions.
8784         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
8785         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
8786         exist.
8787         (ipcp_grow_transformations_if_necessary): Also allocate
8788         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
8789         exist.
8790         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
8791         them.  Fix too long lines.
8792         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
8793         vr_known being removed.
8794         (ipa_read_jump_function): Use new setter functions to construct bits
8795         and vr parts of jump functions or set them to NULL.
8796         (write_ipcp_transformation_info): Adjust for bits being pointers.
8797         (read_ipcp_transformation_info): Likewise.
8798         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
8799         space.
8800         Include gt-ipa-prop.h.
8801         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
8802         being pointers.
8803         (ipcp_store_bits_results): Likewise.
8804         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
8805         Do not write to existing jump functions but use a temporary instead.
8806
8807 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
8808
8809         PR c++/79681
8810         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
8811         attempt to use its first operand as BIT_FIELD_REF base.
8812
8813 2017-03-01  Richard Biener  <rguenther@suse.de>
8814
8815         PR middle-end/79721
8816         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
8817         interpolating formula in wrapping arithmetic.
8818         (chrec_apply): Convert chrec_evaluate return value to wanted type.
8819
8820 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
8821
8822         PR tree-optimization/79734
8823         * tree-vect-generic.c (expand_vector_condition): Optimize
8824         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
8825         Handle VEC_COND_EXPR where comparison has different inner width from
8826         type's inner width.
8827
8828 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
8829
8830         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
8831         markup, and similar issues.  Remove @opindex entries for things
8832         that aren't options.  Add missing -mmpy-option entries.
8833
8834 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
8835
8836         PR tree-optimization/79737
8837         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
8838         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
8839         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
8840         instead of byte_size.  Formatting fix.
8841         (shift_bytes_in_array_right): Formatting fix.
8842
8843 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
8844
8845         PR target/79749
8846         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
8847         condition on optimize for the leaf function test.
8848
8849 2017-02-28  Martin Liska  <mliska@suse.cz>
8850
8851         PR lto/79625
8852         * read-rtl-function.c (function_reader::handle_unknown_directive):
8853         Bail out when one uses -flto.
8854
8855 2017-02-28  Martin Liska  <mliska@suse.cz>
8856
8857         * common.opt: Replace space with tabular for options of <number>
8858         type.
8859         * config/i386/i386.opt: Show <number> value for
8860         -mlarge-data-threshold.
8861         * opts.c (print_filtered_help): Do not display number in hexadecimal
8862         format.
8863
8864 2017-02-28  Martin Liska  <mliska@suse.cz>
8865
8866         * common.opt: Fix --help=option -Q for options which are of
8867         an enum type.
8868
8869 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
8870
8871         * config/i386/i386.c (print_reg): Error out for values
8872         of 8-bit size in invalid integer register.
8873
8874 2017-02-28  Martin Sebor  <msebor@redhat.com>
8875
8876         PR tree-optimization/79691
8877         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
8878
8879 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
8880
8881         PR target/79729
8882         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
8883         gcc_unreachable with output_operand_lossage.
8884
8885 2017-02-28  Richard Biener  <rguenther@suse.de>
8886
8887         PR tree-optimization/79740
8888         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
8889         inserts.
8890         (visit_nary_op): Insert the nary into the hashtable if we
8891         pattern-matched sth.
8892         * tree-ssa-pre.c (eliminate_insert): Robustify.
8893
8894 2017-02-28  Richard Biener  <rguenther@suse.de>
8895
8896         PR middle-end/79731
8897         * fold-const.c (decode_field_reference): Reject out-of-bound
8898         accesses.
8899
8900 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
8901
8902         * config/i386/i386.c: Include intl.h.
8903         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
8904         instead of just cond ? "..." : "...".
8905         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
8906         * coverage.c (read_counts_file): Likewise.
8907         * omp-offload.c: Include intl.h.
8908         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
8909         of just cond ? "..." : "...".
8910         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
8911         of just cond ? "..." : "...".
8912
8913 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
8914
8915         PR target/79742
8916         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
8917         entry, if present.
8918         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
8919         'tune for' CPU name.
8920         * config/arm/arm-cpu-data.h: Regenerated.
8921
8922 2017-02-28  Richard Biener  <rguenther@suse.de>
8923
8924         PR tree-optimization/79732
8925         * tree-inline.c (expand_call_inline): Do not shadow var.
8926
8927 2017-02-28  Richard Biener  <rguenther@suse.de>
8928
8929         PR tree-optimization/79723
8930         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
8931         address-space properly.
8932
8933 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
8934
8935         * doc/optinfo.texi (Optimization groups): Fix option used for
8936         OPTGROUP_ALL.
8937         * doc/invoke.texi (-fopt-info): Document "omp".
8938         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
8939         (OPTGROUP_ALL): Add OPTGROUP_OMP.
8940         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
8941         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
8942         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
8943
8944         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
8945         all users.
8946         * dumpfile.c (optgroup_options): Instead of "openmp", associate
8947         OPTGROUP_OMP with "omp".
8948
8949 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
8950
8951         PR target/79544
8952         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
8953         for arithmetic shift of unsigned V2DI.
8954
8955 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
8956
8957         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
8958         arc/linux.h headers.
8959         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
8960         (LINK_SPEC): Likewise.
8961         (ARC_TLS_EXTRA_START_SPEC): Likewise.
8962         (EXTRA_SPECS): Likewise.
8963         (STARTFILE_SPEC): Likewise.
8964         (ENDFILE_SPEC): Likewise.
8965         (LIB_SPEC): Likewise.
8966         (TARGET_SDATA_DEFAULT): Likewise.
8967         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
8968         (MULTILIB_DEFAULTS): Likewise.
8969         (DWARF2_UNWIND_INFO): Likewise.
8970         * config/arc/big.h: New file.
8971         * config/arc/elf.h: Likewise.
8972         * config/arc/linux.h: Likewise.
8973         * config/arc/t-uClibc: Remove.
8974
8975 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
8976
8977         PR tree-optimization/77536
8978         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
8979         (tree_transform_and_unroll_loop): Use above function to compute the
8980         estimated niter of unrolled loop and use it when scaling profile.
8981         Also use count info rather than frequency if it's non-zero.
8982         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
8983         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
8984         (vect_transform_loop): Call above function.
8985
8986 2017-02-27  Richard Biener  <rguenther@suse.de>
8987
8988         PR tree-optimization/45397
8989         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
8990         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
8991         (visit_nary_op): Add pattern matching for CSEing sign-changed
8992         or truncated operations with wider ones.
8993
8994 2017-02-27  Richard Biener  <rguenther@suse.de>
8995
8996         PR tree-optimization/79690
8997         * tree-vect-stmts.c (vectorizable_store): Use vector type
8998         built from the DR with address-space.
8999
9000 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
9001
9002         * doc/invoke.texi (Optimize Options): Refine the description
9003         of asan-use-after-return.
9004
9005 2017-02-25  Alan Modra  <amodra@gmail.com>
9006
9007         PR rtl-optimization/79584
9008         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
9009         base, not ad->base_term, the reg within base.  Remove assertion
9010         that ad->base == ad->base_term.  Replace gen_int_mode using
9011         bogus mode with const0_rtx.
9012
9013 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
9014
9015         PR middle-end/79396
9016         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
9017         FMA_EXPR like tcc_binary or tcc_unary.
9018
9019         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
9020
9021         PR debug/77589
9022         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
9023         bitfield.
9024         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
9025         (output_loc_operands): Handle DW_OP_call_ref and
9026         DW_OP_GNU_variable_value.
9027         (struct variable_value_struct): New type.
9028         (struct variable_value_hasher): Likewise.
9029         (variable_value_hash): New variable.
9030         (string_types): Remove.
9031         (copy_loc_descr): New function.
9032         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
9033         (prepend_loc_descr_to_each): New function.
9034         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
9035         instead of add_loc_descr_to_each if the first argument is single
9036         location list and the second has multiple.
9037         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
9038         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
9039         when looking for variable value which doesn't have other location info.
9040         (loc_list_from_tree): Formatting fix.
9041         (gen_array_type_die): Simplify DW_AT_string_length handling.
9042         (adjust_string_types): Remove.
9043         (gen_subprogram_die): Don't call adjust_string_types nor test/set
9044         string_types.  Call resolve_variable_values.
9045         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
9046         (resolve_addr_in_expr): Likewise.  Add A argument.
9047         (copy_deref_exprloc): Remove deref argument.  Adjust for the
9048         original expression being DW_OP_GNU_variable_value with optionally
9049         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
9050         optionally after it.
9051         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
9052         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
9053         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
9054         (variable_value_hasher::hash, variable_value_hasher::equal): New
9055         methods.
9056         (resolve_variable_value_in_expr, resolve_variable_value,
9057         resolve_variable_values, note_variable_value_in_expr,
9058         note_variable_value): New functions.
9059         (dwarf2out_early_finish): Call note_variable_value on all toplevel
9060         DIEs.
9061
9062 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
9063
9064         PR c/79677
9065         * opts.h (handle_generated_option): Add GENERATED_P argument.
9066         * opts-common.c (handle_option): Adjust function comment.
9067         (handle_generated_option): Add GENERATED_P argument, pass it to
9068         handle_option.
9069         (control_warning_option): Pass false to handle_generated_option
9070         GENERATED_P.
9071         * opts.c (maybe_default_option): Pass true to handle_generated_option
9072         GENERATED_P.
9073         * optc-gen.awk: Likewise.
9074
9075 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9076
9077         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
9078         a REG, look at the REG it is a SUBREG of.
9079         (splitter for cmpeqsi_t): Ditto.
9080
9081 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9082
9083         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
9084         the special USEs with the pattern of the insn, not the insn itself.
9085
9086 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
9087
9088         PR target/79473
9089         * doc/invoke.texi: Document -mload-store-pairs.
9090
9091 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9092             Sandra Loosemore  <sandra@codesourcery.com>
9093
9094         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
9095         argument isn't a CONST_INT.
9096         (nios2_alternate_compare_const): Assert op is a CONST_INT.
9097         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
9098         (nios2_validate_compare): Bypass alternate compare logic if *op2
9099         is not a CONST_INT.
9100         (ldstwm_operation_p): Return false if first_base is not a REG or
9101         if first_offset is not a CONST_INT.
9102
9103 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9104
9105         * config/cris/cris.md: Use correct operand in a define_peephole2.
9106
9107 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9108
9109         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
9110
9111 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9112
9113         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
9114         this_insn if it is an INSN or JUMP_INSN.
9115         (force_offsettable): Look at base, not at addr.
9116         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
9117         on things that aren't necessarily CONST_INTs.
9118
9119 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
9120
9121         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
9122         -mfpmath=sse is the default also for x86-32 targets with SSE2
9123         instruction set when @option{-ffast-math} is enabled
9124
9125 2017-02-24  Jeff Law  <law@redhat.com>
9126
9127         PR rtl-optimizatoin/79286
9128         * ira.c (update_equiv_regs): Drop may_trap_p exception to
9129         dominance test.
9130
9131 2017-02-24  Richard Biener  <rguenther@suse.de>
9132
9133         PR tree-optimization/79389
9134         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
9135         debug insns.
9136
9137 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
9138
9139         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
9140         function comment to reflect reality.
9141         (loop_exits_before_overflow): Fix typo in function description.
9142
9143 2017-02-24  Richard Biener  <rguenther@suse.de>
9144
9145         PR tree-optimization/79389
9146         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
9147         properly that a threading opportunity exists.  Detect conditional
9148         copy/constant propagation opportunities.
9149
9150 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
9151
9152         * config/visium/visium.md (type): Add trap.
9153         (b): New mode attribute.
9154         (*btst): Rename into...
9155         (*btst<mode>): ...this and adjust.
9156         (*cbranchsi4_btst_insn): Rename into...
9157         (*cbranch<mode>4_btst_insn): ...this and adjust.
9158         (trap): New define_insn.
9159
9160 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
9161
9162         PR tree-optimization/79389
9163         * ifcvt.c (struct noce_if_info): Add rev_cond field.
9164         (noce_reversed_cond_code): New function.
9165         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
9166         reversed_comparison_code.  Formatting fix.
9167         (noce_try_store_flag): Test rev_cond != NULL in addition to
9168         reversed_comparison_code.
9169         (noce_try_store_flag_constants): Likewise.
9170         (noce_try_store_flag_mask): Likewise.
9171         (noce_try_addcc): Use rev_cond if non-NULL instead of
9172         reversed_comparison_code.
9173         (noce_try_cmove_arith): Likewise.  Formatting fixes.
9174         (noce_try_minmax, noce_try_abs): Clear rev_cond.
9175         (noce_find_if_block): Initialize rev_cond.
9176         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
9177         instead of false as last argument never attempt to reverse it
9178         afterwards.
9179
9180 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
9181
9182         PR tree-optimization/79663
9183         * tree-predcom.c (combine_chains): Process refs in reverse order
9184         only for ZERO length chains, and add explaining comment.
9185
9186 2017-02-23  Jeff Law  <law@redhat.com>
9187
9188         PR tree-optimization/79578
9189         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
9190         in call to operand_equal_p.
9191
9192 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
9193
9194         PR target/71017
9195         * config/i386/cpuid.h: Fix another undefined behavior.
9196
9197 2017-02-23  Richard Biener  <rguenther@suse.de>
9198
9199         PR tree-optimization/79683
9200         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
9201         vector types for data-refs.
9202
9203 2017-02-23  Martin Liska  <mliska@suse.cz>
9204
9205         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
9206
9207 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
9208
9209         PR middle-end/79665
9210         * internal-fn.c (get_range_pos_neg): Moved to ...
9211         * tree.c (get_range_pos_neg): ... here.  No longer static.
9212         * tree.h (get_range_pos_neg): New prototype.
9213         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
9214         are known to be in between 0 and signed maximum inclusive, try to
9215         expand both unsigned and signed divmod and use the cheaper one from
9216         those.
9217
9218 2017-02-22  Jeff Law  <law@redhat.com>
9219
9220         PR tree-optimization/79578
9221         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
9222         to compare base operands.
9223
9224 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
9225
9226         PR target/79211
9227         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
9228         gpc_reg_operand instead of fpr_reg_operand.
9229
9230 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
9231
9232         * config/mips/mips.c (mips_return_in_memory): Force FP
9233         vector types to be returned in memory for o32 ABI.
9234
9235 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
9236
9237         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
9238         instead of DW_TAG_member for static data member declarations and don't
9239         set no_linkage_name for static inline data members.
9240         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
9241         to DW_TAG_member.
9242
9243 2017-02-22  Martin Liska  <mliska@suse.cz>
9244
9245         * doc/invoke.texi: Replace inequality signs with square brackets
9246         for -Wnormalized.
9247
9248 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9249
9250         PR tree-optimization/68644
9251         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
9252
9253 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
9254
9255         PR target/78660
9256         * lra-constraints.c (simplify_operand_subreg): Handle
9257         WORD_REGISTER_OPERATIONS targets.
9258
9259 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
9260
9261         PR target/70465
9262         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
9263         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
9264         elimination by swapping fld*.
9265
9266 2017-02-22  Richard Biener  <rguenther@suse.de>
9267
9268         PR tree-optimization/79673
9269         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
9270         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
9271         irrelevant address-space qualifiers and avoiding a
9272         ADDR_SPACE_CONVERT_EXPR from fold_convert.
9273
9274 2017-02-22  Richard Biener  <rguenther@suse.de>
9275
9276         PR tree-optimization/79666
9277         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
9278         to not symbolically negate if that may introduce undefined
9279         overflow.
9280
9281 2017-02-22  Martin Liska  <mliska@suse.cz>
9282
9283         PR lto/79587
9284         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
9285         * data-streamer-out.c (streamer_write_gcov_count_stream):
9286         Likewise.
9287         * value-prof.c (stream_out_histogram_value): Make assert more
9288         precise based on type of counter.
9289
9290 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
9291
9292         PR target/79593
9293         * config/i386/i386.md (standard_x87sse_constant_load splitter):
9294         Use nonimmediate_operand instead of memory_operand for operand 1.
9295         (float-extend standard_x87sse_constant_load splitter): Ditto.
9296
9297 2017-02-21  Jeff Law  <law@redhat.com>
9298
9299         PR tree-optimization/79621
9300         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
9301         blocks with edges to themselves.
9302
9303 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
9304
9305         PR target/79633
9306         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
9307         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
9308         Use gimple_call_builtin_p.
9309
9310         PR target/79570
9311         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
9312         on temporarily removed DEBUG_INSNs.
9313
9314         PR tree-optimization/79649
9315         * tree-loop-distribution.c (classify_partition): Give up on
9316         non-generic address space loads/stores.
9317
9318 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
9319
9320         * doc/loop.texi (Loop manipulation): Remove nonexistent
9321         tree_ssa_loop_version from the documentation.
9322         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
9323
9324 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
9325
9326         PR target/79494
9327         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
9328         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
9329         * config/rs6000/rs6000.c: Include except.h.
9330         (rs6000_expand_split_stack_prologue): Call
9331         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
9332
9333 2017-02-21  Martin Jambor  <mjambor@suse.cz>
9334
9335         PR lto/79579
9336         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
9337         have been analyzed.
9338
9339 2017-02-21  Martin Jambor  <mjambor@suse.cz>
9340
9341         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
9342         for backward compatibility only.
9343         * doc/invoke.texi (Option Summary): Remove all references to
9344         -fipa-cp-alignment.
9345
9346 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
9347
9348         PR target/78660
9349         Revert:
9350         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9351
9352         * lra-constraints.c (curr_insn_transform): Handle
9353         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
9354
9355 2017-02-21  Martin Liska  <mliska@suse.cz>
9356
9357         * config/i386/i386.opt: Replace -masm-dialect with -masm.
9358
9359 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
9360
9361         PR translation/79638
9362         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
9363
9364 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
9365
9366         PR ada/67205
9367         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
9368         (arm_function_ok_for_sibcall): Return false for an indirect call by
9369         descriptor if all the argument registers are used.
9370         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
9371         alignment of the function.
9372
9373 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
9374
9375         PR tree-optimization/61441
9376         * simplify-rtx.c (simplify_const_unary_operation): For
9377         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
9378         the sNaN unmodified.
9379
9380 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9381
9382         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
9383         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
9384         instead of SYSTEM_HEADER_DIR.
9385
9386 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
9387             Martin Liška  <mliska@suse.cz>
9388
9389         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
9390         Fix typos and grammar, use active voice, and clarify.
9391
9392 2017-02-20  Marek Polacek  <polacek@redhat.com>
9393
9394         PR middle-end/79537
9395         * gimplify.c (gimplify_expr): Handle unused *&&L;.
9396
9397         PR sanitizer/79558
9398         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
9399
9400 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
9401
9402         PR target/79568
9403         * config/i386/i386.c (ix86_expand_builtin): Handle
9404         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
9405         ix86_builtins_isa[fcode].isa as a requirement of those
9406         flags and any other flag in the bitmask.
9407         (ix86_init_mmx_sse_builtins): Use 0 instead of
9408         ~OPTION_MASK_ISA_64BIT as mask.
9409         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
9410         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
9411         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
9412         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
9413
9414 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9415
9416         PR target/78012
9417         * lra-constraints.c (split_reg): Check requested split mode
9418         is supported by the register.
9419
9420 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9421
9422         * lra-constraints.c (simplify_operand_subreg): Remove early
9423         return false.
9424
9425 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9426
9427         PR target/78660
9428         * lra-constraints.c (curr_insn_transform): Tighten condition
9429         for converting SUBREG reloads from OP_OUT to OP_INOUT.
9430
9431 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9432
9433         PR target/78660
9434         * lra-constraints.c (curr_insn_transform): Handle
9435         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
9436
9437 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
9438
9439         Revert:
9440         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
9441
9442         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
9443
9444 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
9445
9446         PR c++/69523
9447         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
9448         description.
9449
9450 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9451
9452         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
9453         for FMA_EXPR.
9454
9455 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
9456
9457         * final.c (last_columnnum, override_columnnum): New variables.
9458         (final_start_function): Set last_columnnum, pass it to begin_prologue
9459         hook and pass 0 to dwarf2out_begin_prologue.
9460         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
9461         to source_line debug hook.
9462         (notice_source_line): Compute last_columnnum and for debug_column_info
9463         return true on column changes.
9464         * debug.h (struct gcc_debug_hooks): Add column argument to
9465         source_line and begin_prologue hooks.
9466         (debug_nothing_int_charstar_int_bool): Remove prototype.
9467         (debug_nothing_int_int_charstar,
9468         debug_nothing_int_int_charstar_int_bool): New prototypes.
9469         (dwarf2out_begin_prologue): Add column argument.
9470         * debug.c (do_nothing_debug_hooks): Adjust source_line and
9471         begin_prologue hooks.
9472         (debug_nothing_int_charstar_int_bool): Remove.
9473         (debug_nothing_int_int_charstar,
9474         debug_nothing_int_int_charstar_int_bool): New functions.
9475         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
9476         through to dwarf2out_source_line.
9477         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
9478         (dwarf2out_source_line): Add column argument, emit it if requested.
9479         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
9480         arguments.
9481         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
9482         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
9483         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
9484         through to dwarf2out_begin_prologue.
9485         (vmsdbgout_source_line): Add column argument, pass it through to
9486         dwarf2out_source_line.
9487         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
9488         dbxout_source_line caller.
9489         (dbxout_source_line): Add column argument.
9490
9491         * common.opt (gno-column-info, gcolumn-info): New options.
9492         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
9493         (check_die): Also test for multiple DW_AT_decl_column attributes.
9494         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
9495         DW_AT_decl_column if requested.
9496         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
9497         if requested.
9498         (gen_variable_die): Likewise.
9499         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
9500         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
9501
9502         PR target/79569
9503         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
9504         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
9505         (ix86_handle_option): Handle OPT_m3dnowa.
9506         * doc/invoke.texi (-m3dnowa): Document.
9507         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
9508         -m3dnowa instead of -m3dnow -march=athlon.
9509
9510         PR target/79559
9511         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
9512         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
9513
9514 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9515
9516         PR target/79261
9517         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
9518         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
9519         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
9520         generator for vsx_xxpermdi_<mode>_be.
9521         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
9522         force big-endian semantics.
9523         (vsx_xxpermdi_<mode>_be): New define_expand with same
9524         implementation as previous version of vsx_xxpermdi_<mode>.
9525
9526 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
9527
9528         PR tree-optimization/79327
9529         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
9530         variable, its initialization and use.
9531
9532 2017-02-17  Julia Koval  <julia.koval@intel.com>
9533
9534         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
9535         (OPTION_MASK_ISA_PKU_UNSET): New.
9536         (ix86_handle_option): Handle -mrdpid.
9537         * config/i386/cpuid.h (bit_RDPID): New.
9538         * config/i386/driver-i386.c (host_detect_local_cpu):
9539         Detect RDPID feature.
9540         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
9541         * config/i386/i386-c.c (ix86_target_macros_internal):
9542         Handle RDPID flag.
9543         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
9544         (ix86_valid_target_attribute_inner_p): Add "rdpid".
9545         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
9546         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
9547         * config/i386/i386.md (define_insn "rdpid"): New.
9548         * config/i386/i386.opt Add -mrdpid.
9549         * config/i386/immintrin.h (_rdpid_u32): New.
9550
9551 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
9552
9553         PR rtl-optimization/79541
9554         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
9555         instead of transforming it into USE.
9556
9557 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
9558
9559         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
9560         If HONOR_SNANS (SFmode) force the input to a register.
9561         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
9562         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
9563         an frsp or similar insn.
9564
9565 2017-02-17  Martin Liska  <mliska@suse.cz>
9566
9567         PR rtl-optimization/79577
9568         * params.def (selsched-max-sched-times): Increase minimum to 1.
9569
9570 2017-02-17  Martin Liska  <mliska@suse.cz>
9571
9572         PR rtl-optimization/79574
9573         * gcse.c (want_to_gcse_p): Prevent integer overflow.
9574
9575 2017-02-17  Martin Liska  <mliska@suse.cz>
9576
9577         PR tree-optimization/79529
9578         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
9579         ssa_defined_default_def_p to handle cases which are implicitly
9580         defined.
9581         * tree-ssa.c (ssa_defined_default_def_p): New function.
9582         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
9583         which are implicitly defined.
9584         * tree-ssa.h (ssa_defined_default_def_p): Declare.
9585
9586 2017-02-17  Richard Biener  <rguenther@suse.de>
9587
9588         PR middle-end/79576
9589         * params.def (max-ssa-name-query-depth): Limit to 10.
9590
9591 2017-02-17  Richard Biener  <rguenther@suse.de>
9592
9593         PR tree-optimization/79552
9594         * tree-ssa-structalias.c (visit_loadstore): Properly verify
9595         default defs.
9596
9597 2017-02-17  Richard Biener  <rguenther@suse.de>
9598
9599         PR bootstrap/79567
9600         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
9601
9602 2017-02-17  Marek Polacek  <polacek@redhat.com>
9603
9604         PR middle-end/79536
9605         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
9606         (fold_negate_expr): New wrapper.
9607
9608 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
9609
9610         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]:
9611         Correct terminology and de-emphasize pre-standard behavior.
9612
9613 2017-02-16  Alan Modra  <amodra@gmail.com>
9614
9615         PR rtl-optimization/79286
9616         * ira.c (def_dominates_uses): New function.
9617         (update_equiv_regs): Don't create an equivalence for insns that
9618         may trap where the register def does not dominate the use.
9619
9620 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
9621
9622         PR rtl-optimization/78127
9623         * lra.c (lra): Call lra_eliminate before finish the loop after
9624         lra_constraint.
9625
9626 2017-02-16  Richard Biener  <rguenther@suse.de>
9627
9628         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
9629         isl/isl_val.h.
9630         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
9631         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
9632         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
9633         (isl_val_int_from_wi): New function.
9634         (extract_affine_gmp): Rename to ...
9635         (extract_affine_wi): ... this, take a widest_int.
9636         (extract_affine_int): Just wrap extract_affine_wi.
9637         (add_param_constraints): Use isl_val_int_from_wi.
9638         (add_loop_constraints): Likewise, and extract_affine_wi.
9639
9640 2017-02-15  Jeff Law  <law@redhat.com>
9641
9642         PR middle-end/79521
9643         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
9644         ira_init_register_move_cost_if_necessary.
9645
9646 2017-02-15  Martin Sebor  <msebor@redhat.com>
9647
9648         PR middle-end/32003
9649         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
9650         removed in a prior commit.
9651
9652 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
9653
9654         PR tree-optimization/79347
9655         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
9656         counters during peeling.
9657
9658 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
9659
9660         * Makefile.in (site.exp): Remove "set ISLVER".
9661
9662 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
9663
9664         PR target/79487
9665         * real.c (real_from_integer): Call real_convert even for decimal.
9666
9667 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
9668
9669         PR target/79421
9670         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
9671
9672 2017-02-14  Andrew Pinski  <apinski@cavium.com>
9673
9674         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
9675         cores and change the partno/implementer to be correct.
9676         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
9677         the 'B" as the implementer.
9678         * config/aarch64/aarch64-tune.md: Regenerate.
9679
9680 2017-02-14  Carl Love  <cel@us.ibm.com>
9681
9682         * config/rs6000/rs6000.c: Add case statement entry to make the
9683         xvcvuxdsp built-in argument unsigned.
9684         * config/rs6000/vsx.md: Fix the source and return operand types so they
9685         match the instruction definitions from the ISA document.  Fix typo
9686         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
9687         statement.
9688
9689 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
9690
9691         PR target/79282
9692         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
9693         member early_clobber_alts.
9694         * lra-lives.c (reg_early_clobber_p): New.
9695         (process_bb_lives): Use it.
9696         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
9697         (debug_operand_data): Initialize early_clobber_alts.
9698         (setup_operand_alternative): Set up early_clobber_alts.
9699         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
9700         alternatives to new_insn_reg.
9701         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
9702         it.
9703         (lra_update_insn_regno_info): Pass the new arg.
9704
9705 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
9706
9707         PR middle-end/79505
9708         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
9709         (new_oacc_loop_raw): Don't clear already cleared fields.
9710
9711         PR target/79481
9712         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
9713         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
9714         _mm512_prefetch_i64gather_ps): New inline functions and macros.
9715
9716 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
9717
9718         PR target/79495
9719         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
9720
9721 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
9722
9723         PR target/79498
9724         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
9725         the extra instruction to the right place to store 128-bit constant
9726         when needed.
9727
9728 2017-02-14  Martin Sebor  <msebor@redhat.com>
9729
9730         PR middle-end/79448
9731         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
9732           warning for strings of unknown length.
9733
9734 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
9735
9736         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
9737
9738 2017-02-14  Jeff Law  <law@redhat.com>
9739
9740         PR target/79404
9741         * ira-costs.c (scan_one_insn): Initialize register move costs
9742         for pseudos seen in USE/CLOBBER insns.
9743
9744         PR tree-optimization/79095
9745         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
9746         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
9747         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
9748         if the operands are known to be not equal, then the resulting range
9749         is ~[0,0].
9750         (intersect_ranges): If the new range is ~[0,0] and the old range is
9751         wide, then prefer ~[0,0].
9752         * tree-vrp.c (overflow_comparison_p_1): New function.
9753         (overflow_comparison_p): New function.
9754         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
9755         if NAME is used in an overflow test.
9756         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
9757         overflow check that can be expressed as an equality test, then adjust
9758         ops to be that equality test.
9759
9760 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9761
9762         * config/s390/s390-builtin-types.def: Remove flags argument.
9763         * config/s390/s390.c (s390_init_builtins): Likewise.
9764
9765 2017-02-14  Martin Liska  <mliska@suse.cz>
9766
9767         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
9768         vector.  Fix trailing white spaces.
9769
9770 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
9771
9772         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
9773         HFmode.
9774
9775 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9776
9777         PR rtl-optimization/68664
9778         * config/arm/arm.c (arm_sched_can_speculate_insn):
9779         New function.  Declare prototype.
9780         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
9781
9782 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9783
9784         PR rtl-optimization/68664
9785         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
9786         New function.
9787         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
9788
9789 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
9790
9791         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
9792         max skip bytes for function, loop and jump.
9793
9794 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9795
9796         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
9797         ABS_EXPR for gimple dump.
9798
9799 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
9800
9801         PR target/79462
9802         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
9803
9804         PR tree-optimization/79408
9805         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
9806         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
9807         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
9808         also if rhs1 is INTEGER_CST.
9809
9810 2017-02-14  Richard Biener  <rguenther@suse.de>
9811
9812         PR middle-end/79432
9813         * tree-into-ssa.c (insert_phi_nodes): When the function can
9814         have abnormal edges rewrite SSA names with broken use-def
9815         dominance out of SSA and register them for PHI insertion.
9816
9817 2017-02-13  Martin Sebor  <msebor@redhat.com>
9818
9819         PR middle-end/79496
9820         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
9821         clearing info.nowrite flag when snprintf size argument is a range.
9822
9823 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
9824
9825         * cprop.c (cprop_jump): Add missing space in string literal.
9826         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
9827         (get_constraint_for_component_ref): Likewise.
9828         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
9829         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
9830         * lra-constraints.c (process_alt_operands): Likewise.
9831         * ipa-inline.c (inline_small_functions): Likewise.
9832         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
9833         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
9834         * trans-mem.c (diagnose_tm_1_op): Likewise.
9835         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
9836         (grid_parallel_clauses_gridifiable): Likewise.
9837
9838         * config/nvptx/mkoffload.c (process): Add space in between
9839         , and %d.
9840
9841         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
9842         "MOD4_SSE_REGS" and "ALL_REGS".
9843
9844         * spellcheck.c (test_data): Add , in between "foo" and "food".
9845
9846 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
9847
9848         PR target/79449
9849         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
9850         boundary crossing check and subsequent code generation agree.
9851
9852 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9853
9854         * config/aarch64/aarch64.c (has_memory_op): Delete.
9855         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
9856         has_memory_op.
9857
9858 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
9859
9860         PR rtl-optimization/79388
9861         PR rtl-optimization/79450
9862         * combine.c (distribute_notes): When removing TEM_INSN for which
9863         corresponding dest has last value recorded, invalidate that last
9864         value.
9865
9866 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9867
9868         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
9869         of explicit '@'.  Add missing assembly comment marker on branch costs
9870         printout.
9871
9872 2017-02-13  Nathan Sidwell  <nathan@acm.org>
9873
9874         * gengtype-lex.l (<in_struct>): Add '/'.
9875
9876 2017-02-13  Martin Liska  <mliska@suse.cz>
9877
9878         PR c/79471
9879         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
9880
9881 2017-02-13  Richard Biener  <rguenther@suse.de>
9882
9883         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
9884         Remove.
9885         * configure: Re-generate.
9886         * config.in: Likewise.
9887         * graphite-dependences.c: Simplify as if
9888         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
9889         * graphite-isl-ast-to-gimple.c: Likewise.
9890         * graphite-optimize-isl.c: Likewise.
9891         * graphite-poly.c: Likewise.
9892         * graphite-sese-to-poly.c: Likewise.
9893         * graphite.h: Likewise.
9894         * toplev.c: Include isl/version.h and use isl_version () for
9895         printing the ISL version.
9896         * doc/install.texi: Update ISL requirement.
9897
9898 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
9899
9900         * doc/standards.texi (Standards): Update reference to
9901         Objective-C 2.0.
9902
9903 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
9904
9905         * doc/extend.texi (Named Address Spaces): sourceware.org now
9906         defaults to https.
9907         * doc/install.texi (Binaries): Ditto.
9908         (Specific): Ditto.
9909
9910 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
9911
9912         * doc/cpp.texi: Replace "stringify"/"stringification" with C
9913         standard terminology "stringize"/"stringizing" throughout.
9914         * doc/cppinternals.texi: Likewise.
9915
9916 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
9917
9918         * doc/extend.texi: Fix some spelling mistakes and typos.
9919         * doc/invoke.texi: Likewise.
9920
9921 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
9922
9923         PR ipa/79224
9924         * params.def (inline-min-speedup) Change from 10 to 8.
9925
9926 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
9927
9928         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
9929         4.5.
9930
9931 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
9932
9933         PR ipa/79224
9934         * ipa-inline-analysis.c (get_minimal_bb): New function.
9935         (record_modified): Use it.
9936         (remap_edge_change_prob): Handle also ancestor functions.
9937
9938 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
9939
9940         * doc/contrib.texi (Contributors): Remove broken link into
9941         the Mauve CVS repository.
9942
9943 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
9944
9945         PR middle-end/79454
9946         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
9947         result computation whenever lhs doesn't have vector mode, not
9948         just when it has BLKmode.
9949
9950 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
9951
9952         * doc/makefile.texi (profiledbootstrap): Refer to the
9953         installation instructions only in textual form.
9954
9955 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
9956
9957         PR target/79295
9958         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
9959
9960 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
9961
9962         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
9963         (Specific): Update mingw-w64 reference.
9964         (Binaries): Ditto.
9965         (Specific): Remove broken link to Renesas RX processor.
9966
9967 2017-02-10  Richard Biener  <rguenther@suse.de>
9968
9969         * toplev.c (process_options): Do not mention obsolete graphite
9970         options when printing sorry message about missing graphite support.
9971         Mention -floop-nest-optimize.
9972
9973 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
9974
9975         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
9976         (vtst_p16): Likewise.
9977         (vtstq_p8): Likewise.
9978         (vtstq_p16): Likewise.
9979         (vtst_p64): New.
9980         (vtstq_p64): Likewise.
9981         * config/arm/arm_neon.h (vgetq_lane_p64): New.
9982         (vset_lane_p64): New.
9983         (vsetq_lane_p64): New.
9984
9985 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
9986
9987         PR tree-optimization/79411
9988         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
9989         stmt operands are SSA_NAMEs used in abnormal phis.
9990         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
9991         phis.
9992
9993 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
9994
9995         PR ipa/70795
9996         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
9997         flag if needed.
9998
9999 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
10000
10001         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
10002
10003 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
10004
10005         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
10006         to avoid warning.
10007
10008         PR c/79413
10009         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
10010         not arbitrary TREE_CONSTANT.
10011
10012         PR c/79431
10013         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
10014         "omp declare target link" attribute unless is_global_var.
10015         * omp-offload.c (find_link_var_op): Likewise.
10016
10017 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
10018             Chung-Lin Tang  <cltang@codesourcery.com>
10019
10020         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
10021         OMP_CLAUSE_TILE.
10022         (gimplify_adjust_omp_clauses): Don't delete TILE.
10023         (gimplify_omp_for): Deal with TILE.
10024         * internal-fn.c (expand_GOACC_TILE): New function.
10025         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
10026         (GOACC_TILE): New.
10027         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
10028         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
10029         element fields.
10030         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
10031         avoid DIV for outermost collapse var.
10032         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
10033         Remove out of date comments, fix whitespace.
10034         * omp-general.c (omp_extract_for_data): Deal with tiling.
10035         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
10036         adjust OLF_DIM_BASE value.
10037         (struct omp_for_data): Add tiling field.
10038         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
10039         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
10040         for auto loops.  Remove default auto determining, moved to
10041         oacc_loop_fixed_partitions.
10042         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
10043         stmts, add e_mask field.
10044         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
10045         (oacc_thread_numbers): Use oacc_dim_call.
10046         (oacc_xform_tile): New.
10047         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
10048         (finish_oacc_loop): Adjust for ifns vector.
10049         (oacc_loop_discover_walk): Append loop abstraction sites to list,
10050         add case for GOACC_TILE fns.
10051         (oacc_loop_xform_loop): Delete.
10052         (oacc_loop_process): Iterate over call list directly, and add
10053         handling for GOACC_TILE fns.
10054         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
10055         dump partitioning.
10056         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
10057         vector partitioning to outer loops.  Assign 2 partitions to loops
10058         when available. Add TILE handling.
10059         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
10060         (execite_oacc_device_lower): Process GOACC_TILE fns,
10061         ignore unknown specs.
10062         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
10063         * tree.c (omp_clause_num_ops): Adjust TILE ops.
10064         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
10065
10066 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
10067
10068         * configure.ac (ACX_BUGURL): Update.
10069         * configure: Regenerate.
10070
10071 2017-02-09  Richard Biener  <rguenther@suse.de>
10072
10073         PR tree-optimization/69823
10074         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
10075         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
10076
10077 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
10078
10079         * config/arc/arc-c.def: Add __NPS400__ definition.
10080         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
10081         (TARGET_NPS400): Define.
10082
10083 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
10084
10085         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
10086         file.
10087         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
10088         pointer, arch_info.
10089         (arc_cpu_types): Fill the arch_info field with a pointer into the
10090         arc_arch_types table.
10091         (arc_selected_cpu): Declare.
10092         * config/arc/arc.c (arc_selected_cpu): Make global.
10093         (arc_selected_arch): Delete.
10094         (arc_base_cpu): Delete.
10095         (arc_override_options): Remove references to deleted variables,
10096         update access to arch information.
10097         (ARC_OPT): Update access to arch information.
10098         (ARC_OPTX): Likewise.
10099         * config/arc/arc.h (arc_base_cpu): Remove declaration.
10100         (TARGET_ARC600): Update access to arch information.
10101         (TARGET_ARC601): Likewise.
10102         (TARGET_ARC700): Likewise.
10103         (TARGET_EM): Likewise.
10104         (TARGET_HS): Likewise.
10105         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
10106         information.
10107
10108 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
10109
10110         PR target/78604
10111         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
10112         condition/operands for integer GE/LE/GEU/LEU operations.
10113
10114 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
10115
10116         PR translation/79397
10117         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
10118         of AltiVec.
10119
10120 2017-02-08  Martin Jambor  <mjambor@suse.cz>
10121
10122         PR ipa/79375
10123         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
10124         whether allocation happened.
10125         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
10126         nothing was allocated.
10127
10128 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
10129
10130         PR tree-optimization/79408
10131         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
10132         constant, but SSA_NAME with a known integer range, use the minimum
10133         of that range instead of op1 to determine if modulo can be replaced
10134         with its first operand.
10135
10136 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10137
10138         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
10139
10140 2017-02-08  Richard Biener  <rguenther@suse.de>
10141
10142         PR tree-optimization/71824
10143         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
10144         Check all loops contained in the merged region.
10145
10146 2017-02-07  Andrew Pinski  <apinski@cavium.com>
10147
10148         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
10149
10150 2017-02-07  Andrew Pinski  <apinski@cavium.com>
10151
10152         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
10153         (thunderxt88): Likewise.
10154         (thunderxt81): Disable LSE and change v8.1 to v8.
10155         (thunderxt83): Likewise.
10156
10157 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
10158             Richard Biener  <rguenther@suse.de>
10159
10160         PR middle-end/79399
10161         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
10162         type from int to size_t.
10163         * ira-costs.c (struct_costs_size): Change type from int to size_t.
10164
10165 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
10166
10167         PR rtl-optimization/79386
10168         * cprop.c (bypass_conditional_jumps): Initialize
10169         bypass_last_basic_block already before splitting bbs after
10170         unconditional traps...
10171         (bypass_conditional_jumps): ... rather than here.
10172
10173         PR target/79299
10174         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
10175         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
10176         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
10177         fix -masm=intel patterns.
10178
10179 2017-02-07  Richard Biener  <rguenther@suse.de>
10180
10181         PR tree-optimization/79256
10182         PR middle-end/79278
10183         * builtins.c (get_object_alignment_2): Use min_align_of_type
10184         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
10185         and ADJUST_FIELD_ALIGN.
10186
10187         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
10188         type parameter.
10189         * doc/tm.texi: Regenerate.
10190         * stor-layout.c (layout_decl): Adjust.
10191         (update_alignment_for_field): Likewise.
10192         (place_field): Likewise.
10193         (min_align_of_type): Likewise.
10194         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
10195         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
10196         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
10197         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
10198         * config/frv/frv.c (frv_adjust_field_align): Likewise.
10199         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
10200         * config/i386/i386.c (x86_field_alignment): Likewise.
10201         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
10202         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
10203         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
10204         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
10205         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
10206         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
10207          Likewise.
10208
10209         Revert
10210         2017-01-30  Richard Biener  <rguenther@suse.de>
10211
10212         PR tree-optimization/79256
10213         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
10214         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
10215         alignment on TYPE.
10216
10217 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
10218
10219         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
10220         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
10221         builtins to SImode and emit a zero-extend, if necessary.
10222
10223 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
10224
10225         * docs/invoke.texi (RISC-V Options): Alphabetize.
10226
10227 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
10228
10229         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
10230         options.
10231
10232 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
10233
10234         * config/riscv/riscv.c: New file.
10235         * gcc/common/config/riscv/riscv-common.c: Likewise.
10236         * config.gcc: Likewise.
10237         * config/riscv/constraints.md: Likewise.
10238         * config/riscv/elf.h: Likewise.
10239         * config/riscv/generic.md: Likewise.
10240         * config/riscv/linux.h: Likewise.
10241         * config/riscv/multilib-generator: Likewise.
10242         * config/riscv/peephole.md: Likewise.
10243         * config/riscv/pic.md: Likewise.
10244         * config/riscv/predicates.md: Likewise.
10245         * config/riscv/riscv-builtins.c: Likewise.
10246         * config/riscv/riscv-c.c: Likewise.
10247         * config/riscv/riscv-ftypes.def: Likewise.
10248         * config/riscv/riscv-modes.def: Likewise.
10249         * config/riscv/riscv-opts.h: Likewise.
10250         * config/riscv/riscv-protos.h: Likewise.
10251         * config/riscv/riscv.h: Likewise.
10252         * config/riscv/riscv.md: Likewise.
10253         * config/riscv/riscv.opt: Likewise.
10254         * config/riscv/sync.md: Likewise.
10255         * config/riscv/t-elf-multilib: Likewise.
10256         * config/riscv/t-linux: Likewise.
10257         * config/riscv/t-linux-multilib: Likewise.
10258         * config/riscv/t-riscv: Likewise.
10259         * configure.ac: Likewise.
10260         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
10261         Waterman as RISC-V maintainers.
10262         * doc/install.texi: Add RISC-V entries.
10263         * doc/invoke.texi: Add RISC-V options section.
10264         * doc/md.texi: Add RISC-V constraints section.
10265         * configure: Regenerated.
10266
10267 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
10268
10269         PR target/66144
10270         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
10271         false values to be constant vectors with all 0 or all 1 bits set.
10272         (vcondu<mode><mode>): Likewise.
10273         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
10274         predicate.
10275         (fpmask_comparison_operator): Update comment.
10276         (vecint_comparison_operator): New predicate.
10277         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
10278         vector conditionals when the true and false values are constant
10279         vectors with all 0 bits or all 1 bits set.
10280
10281 2017-02-06  Martin Sebor  <msebor@redhat.com>
10282
10283         PR  tree-optimization/79376
10284         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
10285
10286 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
10287
10288         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
10289         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
10290         to simplify split condition.
10291
10292 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
10293
10294         * omp-expand.c (oxpand_omp_atomic_fetch_op,
10295         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
10296         false.
10297
10298 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
10299
10300         PR rtl-optimization/68664
10301         * target.def (can_speculate_insn): New hook.
10302         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
10303         * doc/tm.texi: Regenerate.
10304         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
10305         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
10306         (rs6000_sched_can_speculate_insn): New function.
10307
10308 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
10309
10310         PR tree-optimization/79284
10311         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
10312         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
10313         vectorizable_mask_load_store, vectorizable_operation,
10314         vect_is_simple_cond, get_same_sized_vectype): Use it instead
10315         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
10316         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
10317         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
10318         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
10319         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
10320         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
10321         is_gimple_assign (stmt).  Replace another such test with
10322         is_gimple_assign (stmt).
10323
10324 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
10325
10326         PR target/78883
10327         * config/avr/avr.c (rtl-iter.h): Include it.
10328         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
10329         (avr_legitimate_combined_insn): ...and implementation.
10330
10331 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10332
10333         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
10334         * config/s390/s390.c (s390_const_operand_ok)
10335         (s390_canonicalize_comparison, s390_extract_part)
10336         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
10337         (s390_contiguous_bitmask_p, s390_rtx_costs)
10338         (legitimize_pic_address): Likewise.
10339         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
10340         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
10341         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
10342         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
10343         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
10344
10345 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
10346
10347         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
10348         REGNO($0) == REGNO($1).
10349
10350 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10351
10352         * config/s390/linux.h(SIZE_TYPE): Add comment.
10353
10354 2017-02-06  Julian Brown  <julian@codesourcery.com>
10355             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10356             Virendra Pathak  <virendra.pathak@broadcom.com>
10357
10358         * config/aarch64/aarch64-cores.def: Change the scheduler
10359         to Thunderx2t99.
10360         * config/aarch64/aarch64.md: Include thunderx2t99.md.
10361         * config/aarch64/thunderx2t99.md: New file.
10362
10363 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
10364
10365         * doc/standards.texi (Go Language): Update link to language
10366         standard.
10367
10368 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
10369
10370         * tree-eh.c (lower_resx): Sanitize profile.
10371         (cleanup_empty_eh_move_lp): Likewise.
10372
10373 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
10374
10375         PR tree-ssa/79347
10376         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
10377         ELSE_PROB.
10378         * cfgloopmanip.h (loop_version): Update prototype.
10379         * modulo-sched.c (sms_schedule): Update call of loop_version.
10380         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
10381         * tree-parloops.c (gen_parallel_loop): Likewise.
10382         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
10383         * tree-ssa-loop-split.c (split_loop): Likewise.
10384         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
10385         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
10386
10387 2017-02-05  Martin Liska  <mliska@suse.cz>
10388
10389         PR bootstrap/78985
10390         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
10391         variable to NULL.
10392         (print_operand_address): Initialize a struct to zero.
10393
10394 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
10395
10396         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
10397         garbage collector only in textual form.
10398
10399 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
10400
10401         * doc/extend.texi (x86 specific memory model extensions for
10402         transactional memory): Simplify a phrase.
10403
10404 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
10405
10406         PR target/79353
10407         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
10408         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
10409         (atomic_storedi_1): Likewise.
10410
10411 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
10412
10413         PR tree-optimization/79338
10414         * tree-parloops.c (gather_scalar_reductions): Don't call
10415         vect_analyze_loop_form for loop->inner before destroying loop's
10416         loop_vinfo.
10417
10418 2017-02-03  Martin Sebor  <msebor@redhat.com>
10419
10420         PR tree-optimization/79327
10421         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
10422         when precision has resulted in leading zeros.
10423         (format_integer): Adjust the likely counter to assume an unknown
10424         argument that may be zero is non-zero.
10425
10426 2017-02-03  Jason Merrill  <jason@redhat.com>
10427
10428         PR c++/78689
10429         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
10430         avoid copying non-taken branch.
10431
10432 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
10433
10434         PR tree-optimization/79340
10435         * tree-vect-loop.c (vectorizable_reduction): Release
10436         vec_defs elements after safe_splicing them into other vectors.
10437         Formatting fixes.
10438
10439         PR tree-optimization/79327
10440         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
10441         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
10442         dirtype.
10443         (format_integer): Use wide_int_to_tree instead of build_int_cst
10444         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
10445         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
10446         of shortest and longest sequence.
10447
10448 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
10449
10450         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
10451         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
10452
10453 2017-02-03  Walter Lee  <walt@tilera.com>
10454
10455         PR target/78862
10456         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
10457         after initial stackframe link reg save.
10458         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
10459
10460 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
10461
10462         PR target/79354
10463         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
10464         wu for stxssp alternative.
10465
10466 2017-02-03  Martin Sebor  <msebor@redhat.com>
10467
10468         PR tree-optimization/79352
10469         * gimple-fold.c (get_range_strlen): Add argument.
10470         (get_range_strlen): Change return type to bool.
10471         (get_maxval_strlen): Pass in a dummy argument.
10472         * gimple-fold.h (get_range_strlen): Change return type to bool.
10473         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
10474         * tree.h (array_at_struct_end_p): Add argument.
10475         * tree.c (array_at_struct_end_p): Handle it.
10476
10477 2017-02-03  Martin Liska  <mliska@suse.cz>
10478
10479         PR lto/66295
10480         * multiple_target.c (create_dispatcher_calls): Redirect edge
10481         from a caller of a dispatcher.
10482         (expand_target_clones): Make the clones local.
10483         (ipa_target_clone): Do both target clones and resolvers.
10484         (ipa_dispatcher_calls): Remove the pass.
10485         (pass_dispatcher_calls::gate): Likewise.
10486         (make_pass_dispatcher_calls): Likewise.
10487         * passes.def (pass_target_clone): Put as very first IPA early
10488         pass.
10489
10490 2017-02-03  Martin Liska  <mliska@suse.cz>
10491
10492         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
10493         in case of a function with ifunc attribute.
10494
10495 2017-02-03  Martin Liska  <mliska@suse.cz>
10496
10497         * cgraph.c (cgraph_node::dump): Dump function version info.
10498         * symtab.c (symtab_node::dump_base): Add missing new line.
10499
10500 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
10501
10502         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
10503         (ifcombine_ifandif): Use it.
10504
10505 2017-02-03  Martin Liska  <mliska@suse.cz>
10506
10507         * doc/invoke.texi: Document default value for
10508         use-after-scope-direct-emission-threshold.
10509
10510 2017-02-03  Martin Liska  <mliska@suse.cz>
10511
10512         PR tree-optimization/79339
10513         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
10514         (format_floating): Likewise.
10515
10516 2017-02-03  Martin Liska  <mliska@suse.cz>
10517
10518         PR ipa/79337
10519         * ipa-prop.c (ipa_node_params_t::insert): Remove current
10520         implementation.
10521         (ipa_node_params_t::remove): Likewise.
10522         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
10523         initialization from removed ipa_node_params_t::insert.
10524         (ipa_node_params::~ipa_node_params): Move from removed
10525         ipa_node_params_t::release.
10526         * symbol-summary.h (symbol_summary::m_released): New member.
10527         Do not release a summary twice.  Do not allow to call finalizer
10528         for types of a summary that live in GGC memory.
10529
10530 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10531
10532         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
10533         cmp_branch fusion.
10534
10535 2017-02-02  Martin Sebor  <msebor@redhat.com>
10536
10537         PR middle-end/79275
10538         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
10539         (format_string): Tighten up the range of output for non-constant
10540         strings and correct the expected range for wide non-constant strings.
10541
10542 2017-02-02  Martin Sebor  <msebor@redhat.com>
10543
10544         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
10545
10546         PR middle-end/32003
10547         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
10548         index.
10549         (-fdump-tree-@var): Add to index and document how to come up
10550         with pass-specific option and dump file names.
10551         (-fdump-passes): Clarify where to look for output.
10552
10553 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
10554
10555         PR middle-end/77445
10556         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
10557         statistics of the analyzed path; allow threading for speed when
10558         any of BBs along the path are optimized for speed.
10559
10560 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
10561
10562         PR middle-end/78468
10563         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
10564         settings of the virtual registers.
10565
10566         Revert again
10567         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10568
10569         * explow.c (get_dynamic_stack_size): Take known alignment of stack
10570         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
10571         needed.
10572
10573 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10574
10575         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
10576         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
10577
10578 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10579
10580         * config/s390/s390.md: Add missing comments with the expanded
10581         mnemonics.
10582         * config/s390/vector.md: Likewise.
10583         * config/s390/vx-builtins.md: Likewise.
10584
10585 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
10586
10587         PR target/79197
10588         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
10589         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
10590         conditions on a single line.
10591
10592 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10593
10594         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
10595         __S390_VX__ to __VX__.
10596
10597 2017-02-01  Andrew Pinski  <apinski@cavium.com>
10598
10599         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
10600         stmt_info to record_stmt_cost.
10601         (vect_get_known_peeling_cost): Pass stmt_info if known to
10602         record_stmt_cost.
10603         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
10604         cpu_vector_cost field into
10605         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
10606         field into vec_int_stmt_cost and vec_fp_stmt_cost.
10607         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
10608         splitting of scalar_stmt_cost and vec_stmt_cost.
10609         (thunderx_vector_cost): Likewise.
10610         (cortexa57_vector_cost): LIkewise.
10611         (exynosm1_vector_cost): Likewise.
10612         (xgene1_vector_cost): Likewise.
10613         (thunderx2t99_vector_cost): Improve after the splitting of the two
10614         fields.
10615         (aarch64_builtin_vectorization_cost): Update for the splitting of
10616         scalar_stmt_cost and vec_stmt_cost.
10617
10618 2017-02-01  Torvald Riegel  <triegel@redhat.com>
10619             Richard Henderson  <rth@redhat.com>
10620
10621         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
10622         conditional on existance of a fast atomic load.
10623         * optabs-query.c (can_atomic_load_p): New function.
10624         * optabs-query.h (can_atomic_load_p): Declare it.
10625         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
10626         no fast atomic load is available for the particular size of access.
10627         (expand_atomic_compare_and_swap): Likewise.
10628         (expand_atomic_load): Likewise.
10629         (expand_atomic_store): Likewise.
10630         (expand_atomic_fetch_op): Likewise.
10631         * testsuite/lib/target-supports.exp
10632         (check_effective_target_sync_int_128): Remove x86 because it provides
10633         no fast atomic load.
10634         (check_effective_target_sync_int_128_runtime): Likewise.
10635
10636 2017-02-01  Richard Biener  <rguenther@suse.de>
10637
10638         * graphite.c: Include tree-vectorizer.h for find_loop_location.
10639         (graphite_transform_loops): Provide opt-info for optimized nests.
10640         * tree-parloop.c (parallelize_loops): Provide opt-info for
10641         parallelized loops.
10642
10643 2017-02-01  Richard Biener  <rguenther@suse.de>
10644
10645         PR middle-end/79315
10646         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
10647         was not set before.
10648
10649 2017-02-01  Richard Biener  <rguenther@suse.de>
10650
10651         PR tree-optimization/71824
10652         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
10653         Verify the loops are valid in the merged SESE region.
10654         (scop_detection::can_represent_loop_1): Check analyzing the
10655         evolution of the number of iterations in the region succeeds.
10656
10657 2017-01-31  Ian Lance Taylor  <iant@golang.org>
10658
10659         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
10660         REG_ARGS_SIZE note to 32-bit push insns and call insn.
10661
10662 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
10663
10664         PR preprocessor/79210
10665         * input.c (get_substring_ranges_for_loc): Replace line_width
10666         assertion with error-handling.
10667
10668 2017-01-31  Richard Biener  <rguenther@suse.de>
10669
10670         PR tree-optimization/77318
10671         * graphite-sese-to-poly.c (extract_affine): Fix assert.
10672         (create_pw_aff_from_tree): Take loop parameter.
10673         (add_condition_to_pbb): Pass loop of the condition to
10674         create_pw_aff_from_tree.
10675
10676 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
10677
10678         * config/s390/s390.c (s390_asan_shadow_offset): New function.
10679         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
10680
10681 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
10682
10683         PR target/78597
10684         PR target/79038
10685         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
10686         no longer used.
10687         (convert_int_to_float128): Likewise.
10688         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
10689         (convert_int_to_float128): Likewise.
10690         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
10691         (UNSPEC_IEEE128_CONVERT): Likewise.
10692         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
10693         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
10694         Use local variables for IBM extended format.
10695         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
10696         (fix_trunc<mode>si2_fprs): Likewise.
10697         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
10698         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
10699         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
10700         to know that we can now have integers of all sizes in vector
10701         registers.
10702         (fix<uns>_<mode>di2_hw): Likewise.
10703         (float<uns>_<mode>si2_hw): Likewise.
10704         (fix_<mode>si2_hw): Likewise.
10705         (fixuns_<mode>si2_hw): Likewise.
10706         (float<uns>_<mode>di2_hw): Likewise.
10707         (float_<mode>di2_hw): Likewise.
10708         (float_<mode>si2_hw): Likewise.
10709         (floatuns_<mode>di2_hw): Likewise.
10710         (floatuns_<mode>si2_hw): Likewise.
10711         (xscvqp<su>wz_<mode>): Delete, no longer used.
10712         (xscvqp<su>dz_<mode>): Likewise.
10713         (xscv<su>dqp_<mode>): Likewise.
10714         (ieee128_mfvsrd_64bit): Likewise.
10715         (ieee128_mfvsrd_32bit): Likewise.
10716         (ieee128_mfvsrwz): Likewise.
10717         (ieee128_mtvsrw): Likewise.
10718         (ieee128_mtvsrd_64bit): Likewise.
10719         (ieee128_mtvsrd_32bit): Likewise.
10720
10721 2017-01-31  Martin Liska  <mliska@suse.cz>
10722
10723         PR ipa/79285
10724         * ipa-prop.c (ipa_free_all_node_params): Call release method
10725         instead of ~sumbol_summary to not to trigger double times
10726         dtor of hash_map.
10727
10728 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
10729
10730         PR tree-optimization/71691
10731         * bitmap.h (class auto_bitmap): New.
10732         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
10733         is_maybe_undefined instead of ssa_undefined_value_p.
10734
10735 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10736
10737         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
10738         __S390_ARCH_LEVEL__ to __ARCH__.
10739
10740 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
10741
10742         PR tree-optimization/79267
10743         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
10744         if should_remove_lhs_p is true.
10745
10746 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
10747
10748         PR debug/63238
10749         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
10750         (add_alignment_attribute): New.
10751         (base_type_die): Add alignment attribute.
10752         (subrange_type_die): Likewise.
10753         (modified_type_die): Likewise.
10754         (gen_array_type_die): Likewise.
10755         (gen_descr_array_type_die: Likewise.
10756         (gen_enumeration_type_die): Likewise.
10757         (gen_subprogram_die): Likewise.
10758         (gen_variable_die): Likewise.
10759         (gen_field_die): Likewise.
10760         (gen_ptr_to_mbr_type_die): Likewise.
10761         (gen_struct_or_union_type_die): Likewise.
10762         (gen_subroutine_type_die): Likewise.
10763         (gen_typedef_die): Likewise.
10764         (base_type_cmp): Compare alignment attribute.
10765
10766 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
10767
10768         PR target/79170
10769         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
10770         (setb_unsigned) New pattern for setb with CCUNS.
10771         * config/rs6000/rs6000.c (expand_block_compare): Use a different
10772         subfc./subfe sequence to avoid overflow problems.  Generate a
10773         shorter sequence with cmpld/setb for power9.
10774         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
10775         for generating subfc. instruction.
10776         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
10777         now uses this instruction.
10778
10779 2017-01-30  Ian Lance Taylor  <iant@google.com>
10780
10781         PR debug/79289
10782         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
10783         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
10784
10785 2017-01-30  Martin Sebor  <msebor@redhat.com>
10786
10787         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
10788         Move constant to the right of a relational operator.
10789         (get_mpfr_format_length, format_character, format_string): Ditto.
10790         (should_warn_p, maybe_warn): Same.
10791
10792         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
10793
10794 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
10795
10796         PR lto/79061
10797         * asan.c (get_translation_unit_decl): Remove function.
10798         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
10799
10800 2017-01-30  Martin Liska  <mliska@suse.cz>
10801
10802         PR gcov-profile/79259
10803         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
10804         -fprofile-generate.
10805
10806 2017-01-30  Martin Liska  <mliska@suse.cz>
10807
10808         PR bootstrap/78985
10809         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
10810         Initialize variables with NULL value.
10811
10812 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
10813
10814         PR target/79260
10815         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
10816         tm_p_file.
10817         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
10818
10819 2017-01-30  Richard Biener  <rguenther@suse.de>
10820
10821         PR tree-optimization/79276
10822         * tree-vrp.c (process_assert_insertions): Properly adjust common
10823         when removing a duplicate.
10824
10825         * gcc.dg/torture/pr79276.c: New testcase.
10826
10827 2017-01-30  Richard Biener  <rguenther@suse.de>
10828
10829         PR tree-optimization/79256
10830         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
10831         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
10832         alignment on TYPE.
10833         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
10834
10835 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10836
10837         PR target/79240
10838         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
10839         ("*r<noxa>sbg_<mode>_sll_bitmask")
10840         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
10841         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
10842         Use contiguous_bitmask_nowrap_operand.
10843
10844 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10845
10846         PR target/79268
10847         * config/rs6000/altivec.h (vec_xl): Revise #define.
10848         (vec_xst): Likewise.
10849
10850 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
10851
10852         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
10853
10854 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
10855
10856         PR rtl-optimization/79194
10857         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
10858         traps before call to bypass_conditional_jumps.
10859
10860 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
10861
10862         PR tree-optimization/71374
10863         * lra-constraints.c (check_conflict_input_operands): New.
10864         (match_reload): Use it.
10865
10866 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
10867
10868         PR target/79131
10869         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
10870         account to calculate conflict_set.
10871
10872 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
10873
10874         PR rtl-optimization/78559
10875         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
10876         other_insn in combine.
10877
10878 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
10879
10880         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
10881         uint16_type_node for BT_UINT16.
10882
10883 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
10884
10885         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
10886         "RTL Tests" to menu.
10887         (GIMPLE Tests): New node.
10888         (RTL Tests): New node.
10889
10890 2017-01-27  Richard Biener  <rguenther@suse.de>
10891
10892         PR tree-optimization/79245
10893         * tree-loop-distribution.c (distribute_loop): Apply cost
10894         modeling also to detected patterns.
10895
10896 2017-01-27  Richard Biener  <rguenther@suse.de>
10897
10898         PR tree-optimization/71433
10899         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
10900         (compare_assert_loc): New function.
10901         (process_assert_insertions): Sort and optimize assert locations
10902         to remove duplicates and push down identical assertions on
10903         edges to their destination block.
10904
10905 2017-01-27  Richard Biener  <rguenther@suse.de>
10906
10907         PR tree-optimization/79244
10908         * tree-vrp.c (remove_range_assertions): Forcefully propagate
10909         out SSA names even if abnormal.
10910
10911 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
10912
10913         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
10914         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
10915         instead of MPFR_RNDN.
10916
10917 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
10918
10919         PR target/79239
10920         * arm.c (arm_option_override): Don't call build_target_option_node
10921         until after doing all option overrides.
10922         (arm_valid_target_attribute_tree): Likewise.
10923
10924 2017-01-27  Martin Liska  <mliska@suse.cz>
10925
10926         * doc/invoke.texi (-fprofile-arcs): Document profiling support
10927         for {cd}tors and C++ {cd}tors.
10928
10929 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10930
10931         * config/s390/s390.md ("*setmem_long_and")
10932         ("*setmem_long_and_31z"): Use zero_extend instead of and.
10933
10934 2017-01-26  Martin Sebor  <msebor@redhat.com>
10935
10936         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
10937         of precision.
10938
10939 2017-01-26  Martin Sebor  <msebor@redhat.com>
10940
10941         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
10942         HAVE_DFmode before using XFmode or DFmode.
10943         (parse_directive): Avoid using the z length modifier to avoid
10944         the ISO C++98 does not support the ‘z’ gnu_printf length modifier.
10945
10946         PR middle-end/78703
10947         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
10948         to accept adjustment as an array.
10949         (get_int_range): New function.
10950         (struct directive): Make width and prec arrays.
10951         (directive::set_width, directive::set_precision): Call get_int_range.
10952         (format_integer, format_floating): Handle width and precision ranges.
10953         (format_string, parse_directive): Same.
10954
10955 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
10956
10957         PR debug/79129
10958         * dwarf2out.c (generate_skeleton_bottom_up): For children with
10959         comdat_type_p set, just clone them, but keep the children in the
10960         original DIE.
10961
10962         PR debug/78835
10963         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
10964         which have direct callers with -fvar-tracking-assignments enabled
10965         in the current TU.
10966         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
10967         inside of type units.
10968
10969 2017-01-26  Martin Sebor  <msebor@redhat.com>
10970
10971         PR middle-end/78703
10972         * gimple-ssa-sprintf.c (struct result_range): Add likely and
10973         unlikely counters.
10974         (struct format_result): Replace number_chars, number_chars_min,
10975         and number_chars_max with a single member of struct result_range.
10976         Remove bounded.
10977         (format_result::operator+=): Adjust.
10978         (struct fmtresult): Remove bounded.  Handle likely and unlikely
10979         counters.
10980         (fmtresult::adjust_for_width_or_precision): New function.
10981         (fmtresult:type_max_digits): New function.
10982         (bytes_remaining): Handle likely and unlikely counters.
10983         (min_bytes_remaining): Remove.
10984         (format_percent): Simplify.
10985         (format_integer, format_floating): Set likely and unlikely counters.
10986         (get_string_length, format_character, format_string): Same.
10987         (format_plain, should_warn_p): New function.
10988         (maybe_warn): Call should_warn_p.  Update diagnostic messages
10989         and handle those for all directives, including plain strings.
10990         (format_directive): Handle likely and unlikely counters.
10991         Remove unnecessary quoting from diagnostics.  Add an informational
10992         note.
10993         (add_bytes): Remove.
10994         (pass_sprintf_length::compute_format_length): Simplify.
10995         (try_substitute_return_value): Handle likely and unlikely counters.
10996
10997 2017-01-26  Carl Love  <cel@us.ibm.com>
10998
10999         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
11000         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
11001
11002 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
11003
11004         PR target/79131
11005         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
11006         endianess for subregs into account.
11007         * lra-constraints.c (lra_constraints): Do risky transformations
11008         always on the first iteration.
11009         * lra-lives.c (check_pseudos_live_through_calls): Add arg
11010         last_call_used_reg_set.
11011         (process_bb_lives): Define and use last_call_used_reg_set.
11012         * lra.c (lra): Always continue after lra_constraints on the first
11013         iteration.
11014
11015 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
11016
11017         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
11018         constant.
11019         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
11020
11021 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
11022
11023         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
11024         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
11025         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
11026         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
11027         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
11028         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
11029         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
11030         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
11031         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
11032
11033 2017-01-26  Marek Polacek  <polacek@redhat.com>
11034
11035         PR c/79199
11036         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
11037         for the third operand.
11038
11039 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
11040
11041         PR middle-end/79236
11042         * omp-low.c (struct omp_context): Add simt_stmt field.
11043         (scan_omp_for): Return omp_context *.
11044         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
11045         context to the _simt_ SIMD stmt.
11046         (lower_omp_for): For combined SIMD with sibling _simt_
11047         SIMD, make sure to use the same decls in _looptemp_
11048         clauses as in the sibling.
11049
11050 2017-01-26  David Sherwood  <david.sherwood@arm.com>
11051
11052         PR middle-end/79212
11053         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
11054         all contexts.
11055
11056 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
11057
11058         PR target/70465
11059         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
11060         emit fld b; fld a; if possible.
11061
11062         * brig-builtins.def: Update copyright years.
11063         * config/arm/arm_acle_builtins.def: Update copyright years.
11064
11065 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
11066
11067         PR target/79179
11068         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
11069         constraint instead of o for the stxsd instruction.
11070
11071 2017-01-25  Carl Love  <cel@us.ibm.com>
11072
11073         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
11074         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
11075
11076 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
11077
11078         * doc/invoke.texi (C++ Dialect Options): Fix typo.
11079
11080 2017-01-25  Richard Biener  <rguenther@suse.de>
11081
11082         PR tree-optimization/69264
11083         * target.def (vector_alignment_reachable): Improve documentation.
11084         * doc/tm.texi: Regenerate.
11085         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
11086         and add a comment.
11087         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
11088         earlier changes with respect to TYPE_USER_ALIGN.
11089         (vector_alignment_reachable_p): Likewise.  Improve dumping.
11090
11091 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11092
11093         PR target/79145
11094         * config/arm/arm.md (xordi3): Force constant operand into a register
11095         for TARGET_IWMMXT.
11096
11097 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11098
11099         * doc/invoke.texi (-fstore-merging): Correct default optimization
11100         levels at which it is enabled.
11101         (-O): Move -fstore-merging from list to...
11102         (-O2): ... Here.
11103
11104 2017-01-25  Richard Biener  <rguenther@suse.de>
11105
11106         PR debug/78363
11107         * omp-expand.c: Include debug.h.
11108         (expand_omp_taskreg): Make sure to generate early debug before
11109         outlining anything from a function.
11110         (expand_omp_target): Likewise.
11111         (grid_expand_target_grid_body): Likewise.
11112
11113 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
11114
11115         PR lto/79061
11116         * asan.c (get_translation_unit_decl): New function.
11117         (asan_add_global): Extract modules file name from globals
11118         TRANSLATION_UNIT_DECL name.
11119
11120 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
11121
11122         PR target/77439
11123         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
11124         for long calls with APCS frame and VFP.
11125
11126 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
11127
11128         * cfg.c (original_copy_tables_initialized_p): New function.
11129         * cfg.h (original_copy_tables_initialized_p): New decl.
11130         * cfgrtl.c (relink_block_chain): Guard the call to
11131         free_original_copy_tables with a call to
11132         original_copy_tables_initialized_p.
11133         * cgraph.h (symtab_node::native_rtl_p): New decl.
11134         * cgraphunit.c (symtab_node::native_rtl_p): New function.
11135         (symtab_node::needed_p): Don't assert for early assembly output
11136         for __RTL functions.
11137         (cgraph_node::finalize_function): Set "force_output" for __RTL
11138         functions.
11139         (cgraph_node::analyze): Bail out early for __RTL functions.
11140         (analyze_functions): Update assertion to support __RTL functions.
11141         (cgraph_node::expand): Bail out early for __RTL functions.
11142         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
11143         __RTL functions.
11144         * function.h (struct function): Update comment for field
11145         "pass_startwith".
11146         * gimple-expr.c: Include "tree-pass.h".
11147         (gimple_has_body_p): Return false for __RTL functions.
11148         * Makefile.in (OBJS): Add run-rtl-passes.o.
11149         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
11150         accessor.
11151         (gcc::pass_manager::get_clean_slate): New accessor.
11152         * passes.c: Include "insn-addr.h".
11153         (should_skip_pass_p): Add logging.  Update logic for running
11154         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
11155         property-provider override so it is only done for gimple passes.
11156         Don't skip dfinit.
11157         (skip_pass): New function.
11158         (execute_one_pass): Call skip_pass when skipping passes.
11159         * read-md.c (md_reader::read_char): Support filtering
11160         the input to a subset of line numbers.
11161         (md_reader::md_reader): Initialize fields
11162         m_first_line and m_last_line.
11163         (md_reader::read_file_fragment): New function.
11164         * read-md.h (md_reader::read_file_fragment): New decl.
11165         (md_reader::m_first_line): New field.
11166         (md_reader::m_last_line): New field.
11167         * read-rtl-function.c (function_reader::create_function): Only
11168         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
11169         curr_properties.  Set DECL_INITIAL to a dummy block.
11170         (read_rtl_function_body_from_file_range): New function.
11171         * read-rtl-function.h (read_rtl_function_body_from_file_range):
11172         New decl.
11173         * run-rtl-passes.c: New file.
11174         * run-rtl-passes.h: New file.
11175
11176 2017-01-24  Jeff Law  <law@redhat.com>
11177
11178         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
11179         buffer size.
11180
11181 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
11182
11183         PR tree-optimization/79159
11184         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
11185         (record_nonwrapping_iv): Improve boundary using above function if no
11186         value range information.
11187
11188 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
11189             Martin Jambor  <mjambor@suse.cz>
11190
11191         * brig-builtins.def: New file.
11192         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
11193         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
11194         (DEF_HSAIL_SAT_BUILTIN): Likewise.
11195         (DEF_HSAIL_INTR_BUILTIN): Likewise.
11196         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
11197         * builtin-types.def (BT_INT8): New.
11198         (BT_INT16): Likewise.
11199         (BT_UINT8): Likewise.
11200         (BT_UINT16): Likewise.
11201         (BT_FN_ULONG): Likewise.
11202         (BT_FN_UINT_INT): Likewise.
11203         (BT_FN_UINT_ULONG): Likewise.
11204         (BT_FN_UINT_LONG): Likewise.
11205         (BT_FN_UINT_PTR): Likewise.
11206         (BT_FN_ULONG_PTR): Likewise.
11207         (BT_FN_INT8_FLOAT): Likewise.
11208         (BT_FN_INT16_FLOAT): Likewise.
11209         (BT_FN_UINT32_FLOAT): Likewise.
11210         (BT_FN_UINT16_FLOAT): Likewise.
11211         (BT_FN_UINT8_FLOAT): Likewise.
11212         (BT_FN_UINT64_FLOAT): Likewise.
11213         (BT_FN_UINT16_UINT32): Likewise.
11214         (BT_FN_UINT32_UINT16): Likewise.
11215         (BT_FN_UINT16_UINT16_UINT16): Likewise.
11216         (BT_FN_INT_PTR_INT): Likewise.
11217         (BT_FN_UINT_PTR_UINT): Likewise.
11218         (BT_FN_LONG_PTR_LONG): Likewise.
11219         (BT_FN_ULONG_PTR_ULONG): Likewise.
11220         (BT_FN_VOID_UINT64_UINT64): Likewise.
11221         (BT_FN_UINT8_UINT8_UINT8): Likewise.
11222         (BT_FN_INT8_INT8_INT8): Likewise.
11223         (BT_FN_INT16_INT16_INT16): Likewise.
11224         (BT_FN_INT_INT_INT): Likewise.
11225         (BT_FN_UINT_FLOAT_UINT): Likewise.
11226         (BT_FN_FLOAT_UINT_UINT): Likewise.
11227         (BT_FN_ULONG_UINT_UINT): Likewise.
11228         (BT_FN_ULONG_UINT_PTR): Likewise.
11229         (BT_FN_ULONG_ULONG_ULONG): Likewise.
11230         (BT_FN_UINT_UINT_UINT): Likewise.
11231         (BT_FN_VOID_UINT_PTR): Likewise.
11232         (BT_FN_UINT_UINT_PTR: Likewise.
11233         (BT_FN_UINT32_UINT64_PTR): Likewise.
11234         (BT_FN_INT_INT_UINT_UINT): Likewise.
11235         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
11236         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
11237         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
11238         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
11239         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
11240         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
11241         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
11242         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
11243         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
11244         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
11245         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
11246         * doc/frontends.texi: List BRIG FE.
11247         * doc/install.texi (Testing): Add BRIG tesring requirements.
11248         * doc/invoke.texi (Overall Options): Mention BRIG.
11249         * doc/standards.texi (Standards): Doucment BRIG HSA version.
11250
11251 2017-01-24  Richard Biener  <rguenther@suse.de>
11252
11253         PR translation/79208
11254         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
11255
11256 2017-01-24  Martin Jambor  <mjambor@suse.cz>
11257
11258         PR bootstrap/79198
11259         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
11260         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
11261         and known_contexts.
11262
11263 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
11264
11265         PR middle-end/79123
11266         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
11267         casts from signed to unsigned really don't have a range.
11268
11269 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
11270
11271         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
11272         GMP_RNDx for compatiblity.
11273
11274 2017-01-24  Martin Liska  <mliska@suse.cz>
11275
11276         PR bootstrap/79132
11277         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
11278         that would prevent us to call alloca with -1 as argument.
11279
11280 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
11281
11282         * dwarf2out.c (output_compilation_unit_header, output_file_names):
11283         Avoid -Wformat-security warning.
11284
11285 2017-01-23  Andrew Pinski  <apinski@cavium.com>
11286
11287         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
11288         cost table.
11289
11290 2017-01-23  Martin Sebor  <msebor@redhat.com>
11291
11292         PR middle-end/78703
11293         * gimple-ssa-sprintf.c (warn_level): New global.
11294         (format_integer): Use it here and throughout the rest of the file.
11295         Use the same switch to compute sign as base.
11296         (maybe_warn): New function.
11297         (format_directive): Factor out warnings into maybe_warn.
11298         Add debugging output.  Use warn_level.
11299         (add_bytes): Use warn_level.
11300         (pass_sprintf_length::compute_format_length): Add debugging output.
11301         (try_substitute_return_value): Same.
11302         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
11303
11304         PR middle-end/78703
11305         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
11306         (struct fmtresult, format_integer, format_floating): Adjust.
11307         (fmtresult::fmtresult): Set max correctly in two argument ctor.
11308         (get_string_length, format_string,format_directive): Same.
11309         (pass_sprintf_length::compute_format_length): Same.
11310         (try_substitute_return_value): Simplify slightly.
11311
11312         PR middle-end/78703
11313         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
11314         (fmtresult::operator+=): Outlined.
11315         (struct fmtresult): Add ctors.
11316         (struct conversion_spec): Rename...
11317         (struct directive): ...to this.  Add and remove data members.
11318         (directive::set_width, directive::set_precision): New functions.
11319         (format_percent): Use fmtresult ctor.
11320         (get_width_and_precision): Remove.
11321         (format_integer): Make naming changes.  Avoid computing width and
11322         precision.
11323         (format_floating): Same.  Adjust indentation.
11324         (format_character, format_none): New functions.
11325         (format_string): Moved character handling to format_character.
11326         (format_directive): Remove arguments, change return type.
11327         (parse_directive): New function.
11328         (pass_sprintf_length::compute_format_length): Move directive
11329         parsing to parse_directive.
11330
11331 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
11332
11333         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
11334         (assign_assembler_name_if_needed): ... this.
11335         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
11336         (assign_assembler_name_if_needed): ... this.
11337         (free_lang_data_in_cgraph): Adjust callers.
11338         * cgraphunit.c (cgraph_node::analyze): Likewise.
11339         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
11340         Likewise.
11341
11342 2017-01-23  Richard Biener  <rguenther@suse.de>
11343
11344         PR tree-optimization/79088
11345         PR tree-optimization/79188
11346         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
11347         resetting loop bounds after last path deletion.  Reset loop
11348         bounds of the target loop, make code match the comments.
11349         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
11350         Make sure loops need no fixups.
11351
11352 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
11353
11354         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
11355         exponent support with double type for first argument.
11356         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
11357         type returned by __builtin_vec_extract_sig,
11358         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
11359         functions from "vector int" to "vector unsigned int" or from
11360         "vector long long int" to "vector unsigned long long int".
11361         Changed type returned by __builtin_vec_extract_exp,
11362         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
11363         functions from "vector int" to "vector unsigned int" or from
11364         "vector long long int" to "vector unsigned long long int".
11365         Changed return type of __builtin_vec_test_data_class,
11366         __builtin_vec_test_data_class_sp, and
11367         __builtin_vec_test_data_class_dp from "vector int" to
11368         "vector bool int" or from "vector long long int" to "vector bool
11369         long long int" and changed second argument type from "unsigned
11370         int" to "int".  Added new overloaded function forms "vector float
11371         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
11372         "vector float __builtin_vec_insert_exp_sp (vector float, vector
11373         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
11374         double, vector unsigned long long int)" and "vector double
11375         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
11376         long int)".  Changed return type of
11377         __builtin_scalar_test_data_class and
11378         __builtin_scalar_test_data_class_sp and
11379         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
11380         int" and changed second argument from "unsigned int" to "int".
11381         Changed type returned by __builtin_scalar_test_neg,
11382         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
11383         from "int" to "bool int".  Added new overloaded function form
11384         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
11385         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
11386         exponent double-precision with floating point first argument.
11387         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
11388         documentation of scalar_test_data_class, scalar_test_neg,
11389         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
11390         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
11391         vec_test_data_class built-in functions to reflect refinements in
11392         their type signatures.
11393
11394 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
11395
11396         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
11397         size of buf.
11398         (aarch64_elf_asm_destructor): Likewise.
11399
11400 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
11401
11402         PR rtl-optimization/78634
11403         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
11404         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
11405         * ifcvt.c (noce_try_cmove): Add missing cost check.
11406
11407         PR rtl-optimization/71724
11408         * combine.c (if_then_else_cond): Look for situations where it is
11409         beneficial to undo the work of one of the recursive calls.
11410
11411 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
11412
11413         PR tree-optimization/70754
11414         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
11415         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
11416         combined stmt before it if not NULL.
11417         (combine_chains): Process refs reversely and compute dominance point
11418         for root ref.
11419
11420 2017-01-23  Martin Liska  <mliska@suse.cz>
11421
11422         PR tree-optimization/79196
11423         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
11424         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
11425         instead of memcmp.
11426         (strlen_optimize_stmt): Call the renamed function.
11427
11428 2017-01-23  Michael Matz  <matz@suse.de>
11429
11430         PR tree-optimization/78384
11431         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
11432
11433 2017-01-23  Richard Biener  <rguenther@suse.de>
11434
11435         PR tree-optimization/79186
11436         * tree-vrp.c (register_new_assert_for): Make sure we've seen
11437         both incoming edges before moving an assert.
11438
11439 2017-01-23  Martin Jambor  <mjambor@suse.cz>
11440
11441         * ipa-prop.c (load_from_param_1): Removed.
11442         (load_from_unmodified_param): Bits from load_from_param_1 put back
11443         here.
11444         (load_from_param): Removed.
11445         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
11446         with stmt.  Reverted back to use of load_from_unmodified_param.
11447
11448 2017-01-23  Martin Jambor  <mjambor@suse.cz>
11449
11450         PR ipa/79108
11451         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
11452         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
11453         field a pointer to garbage collected vector, mark lattices and
11454         ipcp_orig_node with GTY((skip)).
11455         (ipa_get_param_count): Adjust to descriptors being a pointer.
11456         (ipa_get_param): Likewise.
11457         (ipa_get_type): Likewise.
11458         (ipa_get_param_move_cost): Likewise.
11459         (ipa_set_param_used): Likewise.
11460         (ipa_get_controlled_uses): Likewise.
11461         (ipa_set_controlled_uses): Likewise.
11462         (ipa_is_param_used): Likewise.
11463         (ipa_node_params_t): Move into garbage collector.  New methods insert
11464         and remove.
11465         (ipa_node_params_sum): Annotate wth GTY(()).
11466         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
11467         garbage collected.
11468         (ipa_load_from_parm_agg): Adjust declaration.
11469         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
11470         * ipa-profile.c (ipa_profile): Likewise.
11471         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
11472         (ipa_populate_param_decls): Make descriptors parameter garbage
11473         collected.
11474         (ipa_dump_param): Adjust to descriptors being a pointer.
11475         (ipa_alloc_node_params): Likewise.
11476         (ipa_initialize_node_params): Likewise.
11477         (load_from_param_1): Make descriptors parameter garbage collected.
11478         (load_from_unmodified_param): Likewise.
11479         (load_from_param): Likewise.
11480         (ipa_load_from_parm_agg): Likewise.
11481         (ipa_node_params::~ipa_node_params): Removed.
11482         (ipa_free_all_node_params): Remove call to delete operator.
11483         (ipa_node_params_t::insert): New.
11484         (ipa_node_params_t::remove): Likewise.
11485         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
11486         copy known_csts and known_contexts vectors.
11487         (ipa_read_node_info): Adjust to descriptors being a pointer.
11488         (ipcp_modif_dom_walker): Make m_descriptors field garbage
11489         collected.
11490         (ipcp_transform_function): Make descriptors variable garbage
11491         collected.
11492
11493 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
11494
11495         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
11496         * config/i386/avx512dqintrin.h: Ditto.
11497         * config/i386/avx512fintrin.h: Ditto.
11498         * gcc/config/i386/i386.c: Handle new builtins.
11499         * config/i386/i386-builtin.def: Add new builtins.
11500         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
11501         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
11502
11503 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
11504             Martin Liska  <mliska@suse.cz>
11505
11506         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
11507         * asan.c (asan_expand_poison_ifn): Support stores and use
11508         appropriate ASAN report function.
11509         * internal-fn.c (expand_ASAN_POISON_USE): New function.
11510         * internal-fn.def (ASAN_POISON_USE): Declare.
11511         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
11512         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
11513         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
11514         ASAN_POISON calls w/o LHS.
11515         * tree-ssa.c (execute_update_addresses_taken): Create clobber
11516         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
11517         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
11518         * gimplify.c (asan_poison_variables): Add attribute
11519         use_after_scope_memory to variables that really needs to live
11520         in memory.
11521         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
11522         having the attribute.
11523
11524 2017-01-23  Martin Liska  <mliska@suse.cz>
11525
11526         * asan.c (create_asan_shadow_var): New function.
11527         (asan_expand_poison_ifn): Likewise.
11528         * asan.h (asan_expand_poison_ifn): New declaration.
11529         * internal-fn.c (expand_ASAN_POISON): Likewise.
11530         * internal-fn.def (ASAN_POISON): New builtin.
11531         * sanopt.c (pass_sanopt::execute): Expand
11532         asan_expand_poison_ifn.
11533         * tree-inline.c (copy_decl_for_dup_finish): Make function
11534         external.
11535         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
11536         * tree-ssa.c (is_asan_mark_p): New function.
11537         (execute_update_addresses_taken): Rewrite local variables
11538         (identified just by use-after-scope as addressable) into SSA.
11539
11540 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
11541
11542         * doc/install.texi (Specific): opensource.apple.com uses https
11543         now. Remove trailing slash.
11544
11545 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
11546
11547         * README.Portability: Remove note on an Irix compatibility issue.
11548
11549 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
11550
11551         * gcov.c (INCLUDE_ALGORITHM): Define.
11552         (INCLUDE_VECTOR): Define.
11553         No longer include <vector> and <algorithm> directly.
11554
11555 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
11556
11557         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
11558         to https.
11559         * doc/invoke.texi (Code Gen Options): Ditto.
11560
11561 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
11562
11563         PR lto/78407
11564         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
11565
11566 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
11567
11568         rtl-optimization/79125
11569         * cprop.c (local_cprop_pass): Handle cases where we make an
11570         unconditional trap.
11571
11572 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
11573
11574         PR target/61729
11575         PR target/77850
11576         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
11577         read from, for big endian.
11578
11579 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
11580
11581         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
11582         register pauth builtins for LP64 only.
11583
11584 2017-01-20  Marek Polacek  <polacek@redhat.com>
11585
11586         PR c/79152
11587         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
11588         non-case labels.
11589
11590 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
11591
11592         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
11593         of safelen status.
11594         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
11595         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
11596         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
11597
11598 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11599
11600         PR target/71270
11601         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
11602         in big-endian mode when they are not a single duplicated value.
11603
11604 2017-01-20  Richard Biener  <rguenther@suse.de>
11605
11606         * BASE-VER: Bump to 7.0.1.
11607
11608 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
11609
11610         * omp-low.c (omplow_simd_context): New struct.  Use it...
11611         (lower_rec_simd_input_clauses): ...here and...
11612         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
11613         references to idx, lane, max_vf, is_simt.
11614
11615 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
11616
11617         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
11618         mcpu=nps400.
11619
11620 2017-01-20  Martin Jambor  <mjambor@suse.cz>
11621
11622         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
11623         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
11624         gt-hsa-common.h.
11625         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
11626         (GTFILES): Rename hsa.c to hsa-common.c.
11627         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
11628         * hsa-dump.c: Likewise.
11629         * hsa-gen.c: Likewise.
11630         * hsa-regalloc.c: Likewise.
11631         * ipa-hsa.c: Likewise.
11632         * omp-expand.c: Likewise.
11633         * omp-low.c: Likewise.
11634         * toplev.c: Likewise.
11635
11636 2017-01-20  Marek Polacek  <polacek@redhat.com>
11637
11638         PR c/64279
11639         * doc/invoke.texi: Document -Wduplicated-branches.
11640         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
11641         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
11642         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
11643         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
11644         return 0 only when not OEP_LEXICOGRAPHIC.
11645         (fold_build_cleanup_point_expr): Use the expression
11646         location when building CLEANUP_POINT_EXPR.
11647         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
11648         * tree.c (add_expr): Handle error_mark_node.
11649
11650 2017-01-20  Martin Liska  <mliska@suse.cz>
11651
11652         PR lto/69188
11653         * tree-profile.c (init_ic_make_global_vars): Do not call
11654         finalize_decl.
11655         (gimple_init_gcov_profiler): Likewise.
11656
11657 2017-01-20  Martin Liska  <mliska@suse.cz>
11658
11659         PR ipa/71190
11660         * cgraph.h (maybe_create_reference): Remove argument and
11661         update comment.
11662         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
11663         argument.
11664         * ipa-cp.c (create_specialized_node): Likewise.
11665         * symtab.c (symtab_node::maybe_create_reference): Handle
11666         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
11667
11668 2017-01-20  Martin Liska  <mliska@suse.cz>
11669
11670         * read-rtl-function.c (function_reader::create_function): Use
11671         build_decl instread of build_decl_stat.
11672
11673 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
11674
11675         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
11676         * config/i386/avx512dqintrin.h: Ditto.
11677         * config/i386/avx512fintrin.h: Ditto.
11678         * config/i386/i386-builtin-types.def: Add new types.
11679         * gcc/config/i386/i386.c: Handle new types.
11680         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
11681         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
11682         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
11683         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
11684         (__builtin_ia32_kshiftridi): New.
11685         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
11686
11687 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
11688
11689         PR target/78875
11690         PR target/79140
11691         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
11692         define to rs6000_init_stack_protect_guard.
11693         (rs6000_init_stack_protect_guard): New function.
11694
11695 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
11696             Yunqiang Su  <yunqiang.su@imgtec.com>
11697
11698         * config.gcc (supported_defaults): Add madd4.
11699         (with_madd4): Add validation.
11700         (all_defaults): Add madd4.
11701         * config/mips/mips.opt (mmadd4): New option.
11702         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
11703         mmadd4.
11704         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
11705         __mips_no_madd4.
11706         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
11707         (ISA_HAS_FUSED_MADD4): Likewise.
11708         * gcc/doc/invoke.texi (-mmadd4): Document the new option.
11709         * gcc/doc/install.texi (--with-madd4): Document the new option.
11710
11711 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
11712
11713         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
11714         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
11715         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
11716         (aarch64_init_pauth_hint_builtins): New.
11717         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
11718         (aarch64_expand_builtin): Expand new builtins.
11719
11720 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
11721
11722         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
11723         * combine-stack-adj.c (no_unhandled_cfa): Handle
11724         REG_CFA_TOGGLE_RA_MANGLE.
11725         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
11726         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
11727         info for return address signing.
11728         (aarch64_expand_epilogue): Likewise.
11729
11730 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
11731
11732         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
11733         * config/aarch64/aarch64-protos.h
11734         (aarch64_return_address_signing_enabled): New declaration.
11735         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
11736         New function.
11737         (aarch64_expand_prologue): Sign return address before it's pushed onto
11738         stack.
11739         (aarch64_expand_epilogue): Authenticate return address fetched from
11740         stack.
11741         (aarch64_override_options): Sanity check for ILP32 and ISA level.
11742         (aarch64_attributes): New function attributes for "sign-return-address".
11743         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
11744         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
11745         ("*do_return"): Generate combined instructions according to key index.
11746         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
11747         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
11748         iterators.
11749         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
11750         * config/aarch64/aarch64.opt (msign-return-address=): New.
11751         * doc/extend.texi (AArch64 Function Attributes): Documents
11752         "sign-return-address=".
11753         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
11754
11755 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
11756
11757         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
11758         overall option summary.
11759
11760 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
11761
11762         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
11763         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
11764         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
11765         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
11766
11767 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
11768
11769         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
11770         -mpower9-minmax by default for -mcpu=power9.
11771         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
11772         128-bit floating point.
11773
11774 2017-01-20  Alan Modra  <amodra@gmail.com>
11775
11776         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
11777         optimizing for size.
11778
11779 2017-01-20  Alan Modra  <amodra@gmail.com>
11780
11781         PR target/79144
11782         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
11783         for strcmp and strncmp from corresponding builtin decl.
11784
11785 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
11786
11787         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
11788         instead of i386/rtems-64.h.
11789         * config/i386/rtems-64.h: Remove.
11790
11791 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
11792
11793         PR target/78478
11794         Revert:
11795         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
11796
11797         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
11798
11799 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
11800
11801         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
11802         Change int to HOST_WIDE_INT.
11803         * config/aarch64/aarch64-protos.h
11804         (aarch64_simd_gen_const_vector_dup): Likewise.
11805         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
11806
11807 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
11808
11809         * langhooks-def.h (lhd_type_for_size): New decl.
11810         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
11811         * langhooks.c (lhd_type_for_size): New function, taken from
11812         lto_type_for_size.
11813
11814 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
11815
11816         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
11817         define_bypass for CR latency.
11818         (power9-cracked-alu): Update bypass latency and remove power9-branch.
11819         (power9-alu2): Add define_bypass for CR latency.
11820         (power9-cmp): New.
11821         (power9-mul): Update insn latency.
11822         (power9-mul-compare): Update insn latency, bypass latency and remove
11823         power9-branch.
11824
11825 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11826
11827         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
11828         Delete.
11829         * config/aarch64/aarch64.md
11830         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
11831         aarch64_nopcrelative_literal_loads.
11832         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
11833
11834 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
11835
11836         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
11837         TARGET_LOONGSON_3A.
11838         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
11839
11840 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
11841
11842         PR target/78176
11843         * config.gcc (supported_defaults): Add lxc1-sxc1.
11844         (with_lxc1_sxc1): Add validation.
11845         (all_defaults): Add lxc1-sxc1.
11846         * config/mips/mips.opt (mlxc1-sxc1): New option.
11847         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
11848         mlxc1-sxc1.
11849         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
11850         __mips_no_lxc1_sxc1.
11851         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
11852         * gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option.
11853         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
11854
11855 2017-01-19  Richard Biener  <rguenther@suse.de>
11856
11857         PR tree-optimization/72488
11858         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
11859         sure to restore SSA info.
11860         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
11861
11862 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
11863
11864         PR rtl-optimization/79121
11865         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
11866         of the inner type when shifting an extended value.
11867
11868 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
11869
11870         PR lto/78407
11871         * symtab.c (symtab_node::equal_address_to): Fix comparing of
11872         interposable aliases.
11873
11874 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
11875
11876         PR target/78516
11877         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
11878         Use the evmergelohi instruction.
11879         (mov_si<mode>_e500_subreg4_2_le): Likewise.
11880         (mov_sitf_e500_subreg8_2_be): Likewise.
11881         (mov_sitf_e500_subreg12_2_le): Likewise.
11882         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
11883         (mov_si<mode>_e500_subreg4_2_be): Likewise.
11884         (mov_sitf_e500_subreg8_2_le): Likewise.
11885         (mov_sitf_e500_subreg12_2_be): Likewise.
11886
11887 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11888
11889         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
11890         attribute from vecsimple to vecperm.
11891         (altivec_vbpermq2): Likewise.
11892
11893 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11894
11895         PR target/79040
11896         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
11897
11898 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
11899         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
11900         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
11901         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
11902         case where N arg is SIZE_MAX.
11903         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
11904         (cmpstrsi): Add pattern.
11905
11906 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
11907
11908         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
11909         __builtin_vec_revb builtins.
11910         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
11911         built-in functions to support generation of the ISA 3.0 XXBR<x>
11912         vector byte reverse instructions.
11913         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
11914         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
11915         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
11916         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
11917         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
11918         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
11919         (P9V_BUILTIN_VEC_REVB): Likewise.
11920         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
11921         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
11922         (p9_xxbrq_v16qi): Likewise.
11923         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
11924         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
11925         (p9_xxbrh_v8hi): Likewise.
11926         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
11927         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
11928         vec_revb built-in functions.
11929
11930 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
11931
11932         PR rtl-optimization/78952
11933         * config/i386/i386.md (any_extract): New code iterator.
11934         (*insvqi_2): Use any_extract for source operand.
11935         (*insvqi_3): Use any_shiftrt for source operand.
11936
11937 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
11938
11939         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
11940         New function.
11941         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
11942
11943 2017-01-18  Matthias Klose  <doko@ubuntu.com>
11944
11945         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
11946
11947 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11948
11949         * config/rs6000/altivec.h (vec_bperm): Change #define.
11950         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
11951         (altivec_vbpermq2): New define_insn.
11952         (altivec_vbpermd): Likewise.
11953         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
11954         function interface.
11955         (VBPERMD): Likewise.
11956         (VBPERM): New polymorphic function interface.
11957         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
11958         Add entries for P9V_BUILTIN_VEC_VBPERM.
11959         * doc/extend.texi: Add interfaces for vec_bperm.
11960
11961 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11962
11963         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
11964         first letter of error messages.
11965         (s390_resolve_overloaded_builtin): Likewise.
11966         * config/s390/s390.c (s390_expand_builtin): Likewise.
11967         (s390_invalid_arg_for_unprototyped_fn): Likewise.
11968         (s390_valid_target_attribute_inner_p): Likewise.
11969         * config/s390/s390.md ("tabort"): Likewise.
11970
11971 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
11972
11973         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
11974         (ISA_AVOID_DIV_HILO): New macro.
11975         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
11976         (ISA_HAS_DDIV): Likewise.
11977
11978 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
11979
11980         * doc/invoke.texi (fabi-version): Correct number of occurrences.
11981
11982 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
11983
11984         * doc/invoke.texi (fabi-version): Spelling fix.
11985
11986 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
11987
11988         PR c++/70182
11989         * doc/invoke.texi (fabi-version): Mention mangling fix for
11990         operator names.
11991
11992 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
11993
11994         PR c++/77489
11995         * doc/invoke.texi (fabi-version): Document discriminator mangling.
11996
11997 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
11998
11999         PR target/78875
12000         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
12001         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
12002         the new options.
12003         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
12004         flexible settings.
12005         (stack_protect_test): Ditto.
12006         * config/rs6000/rs6000.opt (mstack-protector-guard=,
12007         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
12008         options.
12009         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
12010         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
12011         -mstack-protector-guard-offset=.
12012         (RS/6000 and PowerPC Options): Ditto.
12013
12014 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
12015
12016         * config/i386/i386.h (MASK_CLASS_P): New define.
12017         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
12018         there are no registers from different register sets also when
12019         mask registers are used.  Update function comment.
12020         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
12021         to (*k/*r) and (*k/*km) alternatives.
12022
12023 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
12024
12025         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
12026         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
12027         (EH_RETURN_HANDLER_RTX): New define.
12028         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
12029         Force frame pointer in EH return functions.
12030         (aarch64_expand_epilogue): Add barrier for eh_return.
12031         (aarch64_final_eh_return_addr): Remove.
12032         (aarch64_eh_return_handler_rtx): New function.
12033         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
12034         Remove.
12035         (aarch64_eh_return_handler_rtx): New prototype.
12036
12037 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12038
12039         * config/rs6000/altivec.h (vec_rlmi): New #define.
12040         (vec_vrlnm): Likewise.
12041         (vec_rlnm): Likewise.
12042         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
12043         (UNSPEC_VRLNM): Likewise.
12044         (VIlong): New mode iterator.
12045         (altivec_vrl<VI_char>mi): New define_insn.
12046         (altivec_vrl<VI_char>nm): Likewise.
12047         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
12048         function entry.
12049         (VRLDNM): Likewise.
12050         (RLNM): New polymorphic function entry.
12051         (VRLWMI): New monomorphic function entry.
12052         (VRLDMI): Likewise.
12053         (RLMI): New polymorphic function entry.
12054         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
12055         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
12056         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
12057         vec_vrlnm.
12058
12059 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
12060
12061         PR debug/78839
12062         * dwarf2out.c (field_byte_offset): Restore the
12063         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
12064         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
12065         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
12066         of build2 + fold.
12067
12068 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
12069
12070         PR ada/67205
12071         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
12072
12073 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
12074
12075         PR debug/71669
12076         * dwarf2out.c (add_data_member_location_attribute): For constant
12077         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
12078         instead of DW_AT_data_member_location, DW_AT_bit_offset and
12079         DW_AT_byte_size attributes.
12080
12081 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
12082
12083         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
12084         after forcing to constant memory when the code model is medium.
12085
12086 2017-01-17  Julia Koval  <julia.koval@intel.com>
12087
12088         PR target/76731
12089         * config/i386/avx512fintrin.h
12090         (_mm512_i32gather_ps): Change __addr type to void const*.
12091         (_mm512_mask_i32gather_ps): Ditto.
12092         (_mm512_i32gather_pd): Ditto.
12093         (_mm512_mask_i32gather_pd): Ditto.
12094         (_mm512_i64gather_ps): Ditto.
12095         (_mm512_mask_i64gather_ps): Ditto.
12096         (_mm512_i64gather_pd): Ditto.
12097         (_mm512_mask_i64gather_pd): Ditto.
12098         (_mm512_i32gather_epi32): Ditto.
12099         (_mm512_mask_i32gather_epi32): Ditto.
12100         (_mm512_i32gather_epi64): Ditto.
12101         (_mm512_mask_i32gather_epi64): Ditto.
12102         (_mm512_i64gather_epi32): Ditto.
12103         (_mm512_mask_i64gather_epi32): Ditto.
12104         (_mm512_i64gather_epi64): Ditto.
12105         (_mm512_mask_i64gather_epi64): Ditto.
12106         (_mm512_i32scatter_ps): Change __addr type to void*.
12107         (_mm512_mask_i32scatter_ps): Ditto.
12108         (_mm512_i32scatter_pd): Ditto.
12109         (_mm512_mask_i32scatter_pd): Ditto.
12110         (_mm512_i64scatter_ps): Ditto.
12111         (_mm512_mask_i64scatter_ps): Ditto.
12112         (_mm512_i64scatter_pd): Ditto.
12113         (_mm512_mask_i64scatter_pd): Ditto.
12114         (_mm512_i32scatter_epi32): Ditto.
12115         (_mm512_mask_i32scatter_epi32): Ditto.
12116         (_mm512_i32scatter_epi64): Ditto.
12117         (_mm512_mask_i32scatter_epi64): Ditto.
12118         (_mm512_i64scatter_epi32): Ditto.
12119         (_mm512_mask_i64scatter_epi32): Ditto.
12120         (_mm512_i64scatter_epi64): Ditto.
12121         (_mm512_mask_i64scatter_epi64): Ditto.
12122         * config/i386/avx512pfintrin.h
12123         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
12124         (_mm512_mask_prefetch_i32gather_ps): Ditto.
12125         (_mm512_mask_prefetch_i64gather_pd): Ditto.
12126         (_mm512_mask_prefetch_i64gather_ps): Ditto.
12127         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
12128         (_mm512_prefetch_i32scatter_ps): Ditto.
12129         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
12130         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
12131         (_mm512_prefetch_i64scatter_pd): Ditto.
12132         (_mm512_prefetch_i64scatter_ps): Ditto.
12133         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
12134         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
12135         * config/i386/avx512vlintrin.h
12136         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
12137         (_mm_mmask_i32gather_ps): Ditto.
12138         (_mm256_mmask_i32gather_pd): Ditto.
12139         (_mm_mmask_i32gather_pd): Ditto.
12140         (_mm256_mmask_i64gather_ps): Ditto.
12141         (_mm_mmask_i64gather_ps): Ditto.
12142         (_mm256_mmask_i64gather_pd): Ditto.
12143         (_mm_mmask_i64gather_pd): Ditto.
12144         (_mm256_mmask_i32gather_epi32): Ditto.
12145         (_mm_mmask_i32gather_epi32): Ditto.
12146         (_mm256_mmask_i32gather_epi64): Ditto.
12147         (_mm_mmask_i32gather_epi64): Ditto.
12148         (_mm256_mmask_i64gather_epi32): Ditto.
12149         (_mm_mmask_i64gather_epi32): Ditto.
12150         (_mm256_mmask_i64gather_epi64): Ditto.
12151         (_mm_mmask_i64gather_epi64): Ditto.
12152         (_mm256_i32scatter_ps): Change __addr type to void*.
12153         (_mm256_mask_i32scatter_ps): Ditto.
12154         (_mm_i32scatter_ps): Ditto.
12155         (_mm_mask_i32scatter_ps): Ditto.
12156         (_mm256_i32scatter_pd): Ditto.
12157         (_mm256_mask_i32scatter_pd): Ditto.
12158         (_mm_i32scatter_pd): Ditto.
12159         (_mm_mask_i32scatter_pd): Ditto.
12160         (_mm256_i64scatter_ps): Ditto.
12161         (_mm256_mask_i64scatter_ps): Ditto.
12162         (_mm_i64scatter_ps): Ditto.
12163         (_mm_mask_i64scatter_ps): Ditto.
12164         (_mm256_i64scatter_pd): Ditto.
12165         (_mm256_mask_i64scatter_pd): Ditto.
12166         (_mm_i64scatter_pd): Ditto.
12167         (_mm_mask_i64scatter_pd): Ditto.
12168         (_mm256_i32scatter_epi32): Ditto.
12169         (_mm256_mask_i32scatter_epi32): Ditto.
12170         (_mm_i32scatter_epi32): Ditto.
12171         (_mm_mask_i32scatter_epi32): Ditto.
12172         (_mm256_i32scatter_epi64): Ditto.
12173         (_mm256_mask_i32scatter_epi64): Ditto.
12174         (_mm_i32scatter_epi64): Ditto.
12175         (_mm_mask_i32scatter_epi64): Ditto.
12176         (_mm256_i64scatter_epi32): Ditto.
12177         (_mm256_mask_i64scatter_epi32): Ditto.
12178         (_mm_i64scatter_epi32): Ditto.
12179         (_mm_mask_i64scatter_epi32): Ditto.
12180         (_mm256_i64scatter_epi64): Ditto.
12181         (_mm256_mask_i64scatter_epi64): Ditto.
12182         (_mm_i64scatter_epi64): Ditto.
12183         (_mm_mask_i64scatter_epi64): Ditto.
12184         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
12185         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
12186         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
12187         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
12188         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
12189         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
12190         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
12191         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
12192         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
12193         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
12194         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
12195         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
12196         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
12197         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
12198         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
12199         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
12200         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
12201         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
12202         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
12203         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
12204         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
12205         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
12206         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
12207         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
12208         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
12209         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
12210         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
12211         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
12212         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
12213         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
12214         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
12215         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
12216         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
12217         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
12218         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
12219         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
12220         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
12221         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
12222         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
12223         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
12224         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
12225         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
12226         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
12227         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
12228         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
12229         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
12230         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
12231         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
12232         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
12233         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
12234         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
12235         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
12236         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
12237         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
12238         definitions accordingly.
12239
12240 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
12241             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
12242
12243         PR target/79079
12244         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
12245         gen_lowpart.
12246
12247 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
12248
12249         PR target/79058
12250         * ira-conflicts.c (ira_build_conflicts): Update total conflict
12251         hard regs for inner regno.
12252
12253 2017-01-17  Martin Liska  <mliska@suse.cz>
12254
12255         PR ipa/71207
12256         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
12257         assumption and add comment.
12258
12259 2017-01-17  Nathan Sidwell  <nathan@acm.org>
12260
12261         * ipa-visibility.c (localize_node): New function, broken out of ...
12262         (function_and_variable_visibility): ... here. Call it.
12263
12264 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
12265
12266         PR middle-end/77445
12267         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
12268         correctly set frequency of oudgoing edge.
12269         (duplicate_thread_path): Fix profile updating.
12270
12271 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
12272
12273         PR other/79046
12274         * configure.ac: Add GCC_BASE_VER.
12275         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
12276         version from BASE-VER file.
12277         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
12278         (gcc.o): Depend on $(BASEVER).
12279         * common.opt (dumpfullversion): New option.
12280         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
12281         * doc/invoke.texi: Document -dumpfullversion.
12282         * doc/install.texi: Document --with-gcc-major-version-only.
12283         * configure: Regenerated.
12284
12285 2017-01-17  Richard Biener  <rguenther@suse.de>
12286
12287         PR tree-optimization/71433
12288         * tree-vrp.c (register_new_assert_for): Merge same asserts
12289         on all incoming edges.
12290         (process_assert_insertions_for): Handle insertions at the
12291         beginning of BBs.
12292
12293 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
12294
12295         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
12296         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
12297
12298 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
12299
12300         PR target/78633
12301         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
12302         RTL sharing.
12303
12304 2017-01-17  Alan Modra  <amodra@gmail.com>
12305
12306         PR target/79066
12307         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
12308         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
12309         symbolic stack limit when pic.
12310
12311 2017-01-16  Martin Sebor  <msebor@redhat.com>
12312
12313         PR tree-optimization/78608
12314         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
12315
12316 2017-01-16  Jeff Law  <law@redhat.com>
12317
12318         Revert:
12319         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
12320         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
12321         for several include directories that may be relative to sysroot.
12322         * config/i386/x-mingw32 (gplus_includedir): Define.
12323         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
12324         (native_system_includedir): Likewise.
12325         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
12326         override if TARGET_SYSTEM_ROOT is defined.
12327         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
12328
12329         PR tree-optimization/79090
12330         PR tree-optimization/33562
12331         PR tree-optimization/61912
12332         PR tree-optimization/77485
12333         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
12334         and computed trims into the dump file.
12335
12336 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
12337
12338         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
12339
12340 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
12341
12342         PR c/79089
12343         * gimplify.c (gimplify_init_constructor): If want_value and
12344         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
12345         fix.
12346
12347         PR target/79080
12348         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
12349         sequence.  Formatting fixes.
12350         (doloop_optimize): Formatting fixes.
12351
12352         PR driver/49726
12353         * gcc.c (debug_level_greater_than_spec_func): New function.
12354         (static_spec_functions): Add debug-level-gt spec function.
12355         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
12356         !g0.
12357         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
12358         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
12359         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
12360         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
12361         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
12362         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
12363
12364 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
12365
12366         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
12367         QImode fixups to general and mask registers only.
12368
12369 2017-01-16  Carl Love  <cel@us.ibm.com>
12370
12371         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
12372         for built-in functions
12373         vector signed char vec_nabs (vector signed char)
12374         vector signed short vec_nabs (vector signed short)
12375         vector signed int vec_nabs (vector signed int)
12376         vector signed long long vec_nabs (vector signed long long)
12377         vector float vec_nabs (vector float)
12378         vector double vec_nabs (vector double)
12379         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
12380         and NABS overload.
12381         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
12382         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
12383         * doc/extend.texi: Update the documentation file for the new built-in
12384         functions.
12385
12386 2017-01-16  Martin Sebor  <msebor@redhat.com>
12387
12388         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
12389         message.
12390
12391 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12392
12393         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
12394         UNSPEC_VSX__XXSPLTD to require special splat handling.
12395
12396 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
12397
12398         PR bootstrap/78616
12399         * system.h: Poison strndup.
12400
12401 2017-01-16  Alan Modra  <amodra@gmail.com>
12402
12403         PR target/79098
12404         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
12405         use a switch.
12406
12407 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
12408
12409         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
12410
12411 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
12412
12413         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
12414         call recog here.  Assert that INSN_CODE (insn) is non-negative.
12415
12416 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
12417
12418         PR target/72749
12419         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
12420         fallthrough.
12421         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
12422         in the currently scheduled RTL fragment.
12423
12424 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
12425
12426         PR rtl-optimization/78751
12427         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
12428         give up.
12429
12430 2017-01-14  Jeff Law  <law@redhat.com>
12431
12432         PR tree-optimization/79090
12433         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
12434         variable length stores.
12435         (compute_trims): Delete dead assignment to *trim_tail.
12436         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
12437         zero length.
12438
12439 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
12440
12441         PR rtl-optimization/78626
12442         PR rtl-optimization/78727
12443         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
12444         of a block, and split such blocks after everything else is finished.
12445
12446 2017-01-14  Alan Modra  <amodra@gmail.com>
12447
12448         PR target/72749
12449         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
12450         target legitimate_combined_insn.
12451         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
12452         (rs6000_legitimate_combined_insn): New function.
12453         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
12454         all uses.
12455         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
12456         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
12457         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
12458
12459 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
12460
12461         * doc/frontends.texi (G++ and GCC): Remove references to Java.
12462
12463 2017-01-13  Jeff Law  <law@redhat.com>
12464
12465         PR tree-optimization/33562
12466         PR tree-optimization/61912
12467         PR tree-optimization/77485
12468         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
12469         a statement.
12470         (delete_dead_assignment): Likewise.
12471         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
12472         statement to delete_dead_call and delete_dead_assignment.
12473
12474 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
12475
12476         PR c/78304
12477         * substring-locations.c (format_warning_va): Strengthen case 1 so
12478         that both endpoints of the substring must be within the format
12479         range for just the substring to be printed.
12480
12481 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
12482
12483         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
12484         * config/i386/i386.c (ix86_target_string): Add missing options
12485         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
12486         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
12487         flags_other and ix86_target_other to flags2_other.  Display unknown
12488         isa2 options.
12489         (ix86_valid_target_attribute_inner_p): Add missing options and
12490         reorder options by implied ISAs, as in ix86_target_string.
12491
12492 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
12493
12494         * hash-table.h (hash_table::too_empty_p): New function.
12495         (hash_table::expand): Use it.
12496         (hash_table::traverse): Likewise.
12497         (hash_table::empty_slot): Use sizeof (value_type) instead of
12498         sizeof (PTR) to convert bytes to elements.  Shrink the table
12499         if the current size is excessive for the current number of
12500         elements.
12501
12502 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
12503
12504         * ira-costs.c (record_reg_classes): Break from the inner loop
12505         early once alt_fail is known to be true.  Update outer loop
12506         handling accordingly.
12507
12508 2017-01-13  Jeff Law  <law@redhat.com>
12509
12510         * tree-ssa-dse.c (decrement_count): New function.
12511         (increment_start_addr, maybe_trim_memstar_call): Likewise.
12512         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
12513         when we know the partially dead statement is a mem* function.
12514
12515         PR tree-optimization/61912
12516         PR tree-optimization/77485
12517         * tree-ssa-dse.c: Include expr.h.
12518         (maybe_trim_constructor_store): New function.
12519         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
12520
12521         PR tree-optimization/33562
12522         PR tree-optimization/61912
12523         PR tree-optimization/77485
12524         * doc/invoke.texi: Document new dse-max-object-size param.
12525         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
12526         * tree-ssa-dse.c: Include params.h.
12527         (dse_store_status): New enum.
12528         (initialize_ao_ref_for_dse): New, partially extracted from
12529         dse_optimize_stmt.
12530         (valid_ao_ref_for_dse, normalize_ref): New.
12531         (setup_live_bytes_from_ref, compute_trims): Likewise.
12532         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
12533         (maybe_trim_partially_dead_store): Likewise.
12534         (maybe_trim_complex_store): Likewise.
12535         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
12536         Track what bytes live from the original store.  Return tri-state
12537         for dead, partially dead or live.
12538         (dse_dom_walker): Add constructor, destructor and new private members.
12539         (delete_dead_call, delete_dead_assignment): New extracted from
12540         dse_optimize_stmt.
12541         (dse_optimize_stmt): Make a member of dse_dom_walker.
12542         Use initialize_ao_ref_for_dse.
12543
12544         PR tree-optimization/33562
12545         PR tree-optimization/61912
12546         PR tree-optimization/77485
12547         * sbitmap.h (bitmap_count_bits): Prototype.
12548         (bitmap_clear_range, bitmap_set_range): Likewise.
12549         * sbitmap.c (bitmap_clear_range): New function.
12550         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
12551
12552 2017-01-13  Martin Liska  <mliska@suse.cz>
12553
12554         PR ipa/79043
12555         * function.c (set_cfun): Add new argument force.
12556         * function.h (set_cfun): Likewise.
12557         * ipa-inline-transform.c (inline_call): Use the function when
12558         strict alising from is dropped for function we inline to.
12559
12560 2017-01-13  Richard Biener  <rguenther@suse.de>
12561
12562         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
12563         for dumping GIMPLE INTEGER_CSTs.
12564
12565 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12566
12567         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
12568         to 201112L since C++17.
12569
12570 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
12571
12572         PR sanitizer/78887
12573         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
12574         if -fsanitize=kernel-address is present.
12575
12576 2017-01-13  Richard Biener  <rguenther@suse.de>
12577
12578         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
12579         as _Literal ( type ) number in case usual suffixes do not
12580         preserve all information.
12581
12582 2017-01-13  Richard Biener  <rguenther@suse.de>
12583
12584         PR tree-optimization/77283
12585         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
12586         and ssa-iterators.h.
12587         (is_feasible_trace): Implement a cost model based on joiner
12588         PHI node uses.
12589
12590 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
12591
12592         PR target/79004
12593         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
12594         char or short to __float128/_Float128 directly.
12595
12596 2017-01-12  Martin Sebor  <msebor@redhat.com>
12597
12598         to -Wformat-overflow.
12599         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
12600         (min_bytes_remaining): Same.
12601         (get_string_length): Same.
12602         (format_string): Same.
12603         (format_directive): Same.
12604         (add_bytes): Same.
12605         (pass_sprintf_length::handle_gimple_call): Same.
12606
12607 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
12608
12609         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
12610         info.nowrite calls with no lhs that can't throw.  Return bool
12611         whether gsi_remove has been called or not.
12612         (pass_sprintf_length::handle_gimple_call): Return bool whether
12613         try_substitute_return_value called gsi_remove.  Formatting fix.
12614         (pass_sprintf_length::execute): Don't use gsi_remove if
12615         handle_gimple_call returned true.
12616
12617         PR bootstrap/79069
12618         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
12619         be removed due to side-effects, don't remove following barrier nor
12620         turn the successor edge into fallthru edge.
12621
12622 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12623
12624         PR target/79044
12625         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
12626         element-reversing loads and stores as not swappable.
12627
12628 2017-01-12  Nathan Sidwell  <nathan@acm.org>
12629             Nicolai Stange  <nicstange@gmail.com>
12630
12631         * combine.c (try_combine): Don't ignore result of overlap checking
12632         loop.  Combine overlap & asm check into single loop.
12633
12634 2017-01-12  Richard Biener  <rguenther@suse.de>
12635
12636         * tree-pretty-print.c (dump_generic_node): Provide -gimple
12637         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
12638
12639 2017-01-12  Richard Biener  <rguenther@suse.de>
12640
12641         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
12642         and TS_TARGET_OPTION directly derive from TS_BASE.
12643         * tree-core.h (tree_optimization_option): Derive from tree_base.
12644         (tree_target_option): Likewise.
12645
12646 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
12647
12648         * config/i386/i386.c (memory_address_length): Increase len
12649         only when rip_relative_addr_p returns false.
12650
12651 2017-01-11  Julia Koval  <julia.koval@intel.com>
12652
12653         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
12654         (OPTION_MASK_ISA_SGX_SET): New.
12655         (ix86_handle_option): Handle OPT_msgx.
12656         * config.gcc: Added sgxintrin.h.
12657         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
12658         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
12659         * config/i386/i386.c (ix86_target_string): Add -msgx.
12660         (PTA_SGX): New.
12661         (ix86_option_override_internal): Handle new options.
12662         (ix86_valid_target_attribute_inner_p): Add sgx.
12663         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
12664         * config/i386/i386.opt: Add msgx.
12665         * config/i386/sgxintrin.h: New file.
12666         * config/i386/x86intrin.h: Add sgxintrin.h.
12667
12668 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
12669
12670         PR c++/71537
12671         * fold-const.c (maybe_nonzero_address): Return 1 for function
12672         local objects.
12673         (tree_single_nonzero_warnv_p): Don't handle function local objects
12674         here.
12675
12676         PR c++/72813
12677         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
12678         of c-header.
12679
12680 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
12681
12682         PR driver/78877
12683         * opts.c: Include "spellcheck.h"
12684         (struct string_fragment): New struct.
12685         (struct edit_distance_traits<const string_fragment &>): New
12686         struct.
12687         (get_closest_sanitizer_option): New function.
12688         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
12689
12690 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
12691
12692         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
12693         by 12.
12694         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
12695         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
12696         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
12697         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
12698         for initial die_offset if dwarf_split_debug_info.
12699         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
12700         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
12701         fields.
12702         (output_skeleton_debug_sections): Formatting fix.  Use
12703         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
12704         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
12705
12706 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
12707
12708         * config/arm/cortex-a53.md: Add bypasses for
12709         cortex_a53_r2f_cvt.
12710         (cortex_a53_r2f): Only use for transfers.
12711         (cortex_a53_f2r): Likewise.
12712         (cortex_a53_r2f_cvt): Add reservation for conversions.
12713         (cortex_a53_f2r_cvt): Likewise.
12714
12715 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
12716
12717         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
12718         to all inlined functions, change static to extern.
12719
12720 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
12721
12722         PR target/78253
12723         * config/arm/arm.c (legitimize_pic_address): Handle reference to
12724         weak symbol.
12725         (arm_assemble_integer): Likewise.
12726
12727 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
12728
12729         * config.gcc: Use new awk script to check CPU, FPU and architecture
12730         parameters for --with-... options.
12731         * config/arm/parsecpu.awk: New file
12732         * config/arm/arm-cpus.in: New file.
12733         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
12734         files.
12735         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
12736         files.
12737         * config/arm/t-arm: Update dependency rules.
12738         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
12739         of processing .def files.
12740         * config/arm/genopt.sh: Deleted.
12741         * config/arm/gentune.sh: Deleted.
12742         * config/arm/arm-cores.def: Deleted.
12743         * config/arm/arm-arches.def: Deleted.
12744         * config/arm/arm-fpus.def: Deleted.
12745         * config/arm/arm-tune.md: Regenerated.
12746         * config/arm/arm-tables.opt: Regenerated.
12747         * config/arm/arm-cpu.h: New generated file.
12748         * config/arm/arm-cpu-data.h: New generated file.
12749         * config/arm/arm-cpu-cdata.h: New generated file.
12750
12751 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
12752
12753         PR lto/79042
12754         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
12755         bit.
12756         (input_varpool_node): Unpack dynamically_initialized bit.
12757
12758 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
12759
12760         PR rtl-optimization/79032
12761         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
12762         the alignment of the adjusted memory reference against that of MODE,
12763         instead of the alignment of the original memory reference.
12764
12765 2017-01-11  Martin Jambor  <mjambor@suse.cz>
12766
12767         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
12768         test.
12769         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
12770         decorated functions.
12771
12772 2017-01-11  Richard Biener  <rguenther@suse.de>
12773
12774         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
12775         set range/nonnull info for PHI results.  Do not set it on
12776         stmts marked for removal.
12777
12778 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
12779
12780         * expr.c (store_field): In the bitfield case, fetch the return value
12781         from the registers before applying a single big-endian adjustment.
12782         Always do a final load for a BLKmode value not larger than a word.
12783
12784 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
12785
12786         PR c++/77949
12787         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
12788         that we correctly handle column numbers greater than
12789         LINE_MAP_MAX_COLUMN_NUMBER.
12790
12791 2017-01-10  Martin Sebor  <msebor@redhat.com>
12792
12793         PR middle-end/78245
12794         * gimple-ssa-sprintf.c (get_destination_size): Call
12795         {init,fini}object_sizes.
12796         * tree-object-size.c (addr_object_size): Adjust.
12797         (pass_through_call): Adjust.
12798         (pass_object_sizes::execute): Adjust.
12799         * tree-object-size.h (fini_object_sizes): Declare.
12800
12801 2017-01-10  Martin Sebor  <msebor@redhat.com>
12802
12803         PR tree-optimization/78775
12804         * builtins.c (get_size_range): Move...
12805         * calls.c: ...to here.
12806         (alloc_max_size): Accept zero argument.
12807         (operand_signed_p): Remove.
12808         (maybe_warn_alloc_args_overflow): Call get_size_range.
12809         * calls.h (get_size_range): Declare.
12810
12811 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
12812
12813         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
12814         from TI's devices.csv file as of September 2016.
12815         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
12816
12817 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
12818
12819         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
12820         * doc/invoke.texi: Likewise.
12821         * doc/md.texi: Likewise.
12822         * doc/objc.texi: Likewise.
12823
12824 2017-01-10  Joshua Conner  <joshconner@google.com>
12825
12826         * config/arm/fuchsia-elf.h: New file.
12827         * config/fuchsia.h: New file.
12828         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
12829         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
12830         targets.
12831         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
12832
12833 2016-01-10  Richard Biener  <rguenther@suse.de>
12834
12835         PR tree-optimization/79034
12836         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
12837         Propagate out degenerate PHIs in the joiner.
12838
12839 2017-01-10  Martin Liska  <mliska@suse.cz>
12840
12841         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
12842         (sort_congruence_classes_by_decl_uid): Likewise.
12843         (sort_congruence_class_groups_by_decl_uid): Likewise.
12844         (sem_item_optimizer::merge_classes): Sort class, groups in these
12845         classes and members in the groups by DECL_UID of declarations.
12846         This would make merge operations stable.
12847
12848 2017-01-10  Martin Liska  <mliska@suse.cz>
12849
12850         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
12851         usage of m_classes_vec.
12852         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
12853         (sem_item_optimizer::get_group_by_hash): Likewise.
12854         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
12855         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
12856         (sem_item_optimizer::verify_classes): Likewise.
12857         (sem_item_optimizer::process_cong_reduction): Likewise.
12858         (sem_item_optimizer::dump_cong_classes): Likewise.
12859         (sem_item_optimizer::merge_classes): Likewise.
12860         * ipa-icf.h (congruence_class_hash): Rename from
12861         congruence_class_group_hash.  Remove declaration of m_classes_vec.
12862
12863 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
12864
12865         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
12866         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
12867         * config.gcc: Add avx512vpopcntdqintrin.h.
12868         * config/i386/avx512vpopcntdqintrin.h: New.
12869         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
12870         * config/i386/i386-builtin-types.def: Add new types.
12871         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
12872         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
12873         __builtin_ia32_vpopcountq_v8di_mask): New.
12874         * config/i386/i386-c.c (ix86_target_macros_internal): Define
12875         __AVX512VPOPCNTDQ__.
12876         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
12877         (PTA_AVX512VPOPCNTDQ): Define.
12878         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
12879         TARGET_AVX512VPOPCNTDQ_P): Define.
12880         * config/i386/i386.opt: Add mavx512vpopcntdq.
12881         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
12882         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
12883
12884 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
12885
12886         PR middle-end/77484
12887         * predict.def (PRED_CALL): Set to 67.
12888
12889 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
12890
12891         * expr.c (store_field): In the bitfield case, if the value comes from
12892         a function call and is of an aggregate type returned in registers, do
12893         not modify the field mode; extract the value in all cases if the mode
12894         is BLKmode and the size is not larger than a word.
12895
12896 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
12897
12898         PR target/71017
12899         * config/i386/cpuid.h: Fix undefined behavior.
12900
12901 2017-01-04  Jeff Law  <law@redhat.com>
12902
12903         PR tree-optimization/79007
12904         PR tree-optimization/67955
12905         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
12906         conservative for pt.null when flag_non_call_exceptions is on.
12907
12908 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
12909
12910         PR translation/79019
12911         PR translation/79020
12912         * params.def (PARAM_INLINE_MIN_SPEEDUP,
12913         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
12914         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
12915         in descriptions.
12916         * config/avr/avr.opt (maccumulate-args): Likewise.
12917         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
12918         * common.opt (freport-bug): Likewise.
12919         * cif-code.def (CIF_FINAL_ERROR): Likewise.
12920         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
12921         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
12922         translatable string.
12923         * config/i386/i386.c (function_value_32): Likewise.
12924         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
12925         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
12926         Likewise.
12927         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
12928         * common/config/msp430/msp430-common.c (msp430_handle_option):
12929         Likewise.
12930         * symtab.c (symtab_node::verify_base): Likewise.
12931         * opts.c (set_debug_level): Likewise.
12932         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
12933         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
12934         missing whitespace to translatable strings.
12935         * config/avr/avr.md (bswapsi2): Fix typo in comment.
12936         * config/sh/superh.h: Likewise.
12937         * config/i386/xopintrin.h: Likewise.
12938         * config/i386/znver1.md: Likewise.
12939         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
12940         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
12941         * double-int.h (struct double_int): Likewise.
12942         * double-int.c (div_and_round_double): Likewise.
12943         * wide-int.cc: Likewise.
12944         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
12945         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
12946         * cfgcleanup.c (crossjumps_occured): Renamed to ...
12947         (crossjumps_occurred): ... this.
12948         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
12949         Adjust all uses.
12950
12951         PR tree-optimization/78899
12952         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
12953         returning bool return struct loop *, NULL for failure and the new
12954         loop on success.
12955         (versionable_outer_loop_p): Don't version outer loop if it has
12956         dont_vectorized bit set.
12957         (tree_if_conversion): When versioning outer loop, ensure
12958         tree_if_conversion is performed also on the inner loop of the
12959         non-vectorizable outer loop copy.
12960         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
12961         LOOP_VECTORIZED in inner loop of the scalar outer loop and
12962         prevent vectorization of it.
12963         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
12964         the outer loop vectorization of the non-scalar version is attempted
12965         before vectorization of the inner loop in scalar version.  If
12966         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
12967         vectorization of its inner loop.
12968         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
12969         has 2 inner loops, rename also on edges from bb whose single pred
12970         is outer_loop->header.  Fix typo in function comment.
12971
12972 2017-01-09  Martin Sebor  <msebor@redhat.com>
12973
12974         PR bootstrap/79033
12975         * asan.c (asan_emit_stack_protection): Increase local buffer size
12976         to avoid snprintf truncation warning.
12977
12978 2017-01-09  Andrew Pinski  <apinski@cavium.com>
12979
12980         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
12981         to reference thunderx2t99 for the tuning structure
12982         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
12983         Rename to ...
12984         (thunderx2t99_extra_costs): This.
12985         * config/aarch64/aarch64-tune.md: Regenerate.
12986         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
12987         (vulcan_addrcost_table): This.
12988         (vulcan_regmove_cost): Rename to ...
12989         (thunderx2t99_regmove_cost): This.
12990         (vulcan_vector_cost): Rename to ...
12991         (thunderx2t99_vector_cost): this.
12992         (vulcan_branch_cost): Rename to ...
12993         (thunderx2t99_branch_cost): This.
12994         (vulcan_tunings): Rename to ...
12995         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
12996         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
12997
12998 2017-01-09  Martin Jambor  <mjambor@suse.cz>
12999
13000         PR ipa/78365
13001         PR ipa/78599
13002         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
13003         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
13004         (propagate_vr_accross_jump_function): Use the above function for all
13005         value range computations for pass-through jump functions and type
13006         converasion from explicit value range values.
13007         (ipcp_propagate_stage): Do not attempt to deduce types of formal
13008         parameters from TYPE_ARG_TYPES.
13009         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
13010         (ipa_write_node_info): Stream type of the actual argument.
13011         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
13012
13013 2017-01-09  Martin Liska  <mliska@suse.cz>
13014
13015         PR pch/78970
13016         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
13017         (lookup_compiler): Do not show error message with have_E.
13018
13019 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
13020
13021         PR tree-optimization/78938
13022         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
13023         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
13024         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
13025         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
13026         fixes.
13027
13028 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13029
13030         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
13031         is const0_rtx.
13032
13033 2017-01-09  Richard Biener  <rguenther@suse.de>
13034
13035         PR tree-optimization/78997
13036         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
13037         name condition properly.
13038
13039 2017-01-09  Richard Biener  <rguenther@suse.de>
13040
13041         PR debug/79000
13042         * dwarf2out.c (is_cxx): New overload with context.
13043         (is_naming_typedef_decl): Use it.
13044
13045 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
13046
13047         * invoke.texi (Option Summary): Correct spacing in option lists
13048         and add line breaks to fix over-long lines.
13049
13050 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
13051
13052         PR middle-end/17660
13053
13054         * extend.texi (Common Variable Attributes): Add xref to GCC
13055         Internals manual to explain mode attribute keywords.
13056
13057 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
13058
13059         PR other/16519
13060         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
13061         and Preprocessor Options.
13062         (Options for Linking): Document -pthread here....
13063         (RS/6000 and PowerPC Options): ...not here.
13064         (Solaris 2 Options): ...or here.
13065         * doc/cppopts.texi: Document -pthread.
13066
13067 2017-01-08  Martin Sebor  <msebor@redhat.com>
13068
13069         PR middle-end/77708
13070         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
13071         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
13072         New member functions.
13073         (format_directive): Used them.
13074         (add_bytes): Same.
13075         (pass_sprintf_length::handle_gimple_call): Same.
13076         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
13077         to avoid truncation for any argument.
13078         (extract_affine_mul): Same.
13079         * tree.c (get_file_function_name): Same.
13080
13081 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
13082
13083         PR middle-end/77484
13084         * predict.def (PRED_INDIR_CALL): Set to 86.
13085
13086 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
13087
13088         PR preprocessor/54124
13089         * doc/cppopts.texi: Reformat -d subtable to list the full name
13090         of the options.  Add cross-reference to the docs for the general
13091         compiler -d options.
13092         * doc/invoke.texi (Developer Options): Add cross-reference to the
13093         preprocessor-specific -d option documentation.
13094
13095 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
13096
13097         PR preprocessor/13498
13098         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
13099         redudant material, and reflect new command-line options.
13100         (System Headers): Likewise.
13101
13102 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
13103
13104         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
13105         -isystem, and -idirafter.  Copy-edit.
13106         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
13107         default for -ftrack-macro-expansion.  Delete obsolete and
13108         badly-formatted implementation details about -fdebug-cpp output.
13109         * doc/cppwarnopts.texi: Copy-edit.
13110
13111 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
13112
13113         PR c++/72803
13114         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
13115         that the transition from a max line width >= 1<<10 to narrower
13116         lines works correctly.
13117
13118 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
13119
13120         * doc/options.texi (PerFunction): New.
13121         * opt-functions.awk (switch_flags): Map both Optimization and
13122         PerFunction to CL_OPTIMIZATION.
13123         * opth-gen.awk: Test for PerFunction flag along with
13124         Optimization.
13125         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
13126         it only when the latter is present.  Skip those that don't in
13127         the hash function generator.
13128         * common.opt (fvar-tracking): Mark as PerFunction instead of
13129         Optimization.
13130         (fvar-tracking-assignments): Likewise.
13131         (fvar-tracking-assignments-toggle): Likewise.
13132         (fvar-tracking-uninit): Likewise.
13133
13134 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
13135
13136         PR translation/79018
13137         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
13138         the and store.
13139
13140 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
13141
13142         PR target/57583
13143         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
13144         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
13145         TARGET_LONG_JUMP_TABLE_OFFSETS.
13146         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
13147         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
13148         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
13149         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
13150         * config/m68k/m68k.md (tablejump expander): Likewise.
13151         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
13152         TARGET_LONG_JUMP_TABLE_OFFSETS.
13153         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
13154         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
13155
13156 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
13157             David Holsgrove <david.holsgrove@xilinx.com>
13158
13159         * common/config/microblaze/microblaze-common.c
13160         (TARGET_EXCEPT_UNWIND_INFO): Remove.
13161         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
13162         New prototype.
13163         * config/microblaze/microblaze.c (microblaze_must_save_register)
13164         (microblaze_expand_epilogue, microblaze_return_addr): Handle
13165         calls_eh_return.
13166         (microblaze_eh_return): New function.
13167         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
13168         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
13169         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
13170         * config/microblaze/microblaze.md (eh_return): New pattern.
13171
13172 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
13173
13174         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
13175         GCC_DIAGNOSTIC_STRINGIFY): Define.
13176
13177         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
13178
13179 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13180
13181         * config/arm/arm.md (<mcrr>): New.
13182         (<mrrc>): New.
13183         * config/arm/arm.c (arm_arch5te): New.
13184         (arm_option_override): Set arm_arch5te.
13185         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
13186         and mrrc2.
13187         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
13188         (arm_mcrr_qualifiers): ... this. New.
13189         (MRRC_QUALIFIERS): Define to...
13190         (arm_mrrc_qualifiers): ... this. New.
13191         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
13192         __arm_mrrc2): New.
13193         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
13194         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
13195         (MRRCI, mrrc, MRRC): New.
13196         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
13197         VUNSPEC_MRRC2): New.
13198
13199 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13200
13201         * config/arm/arm.md (<mcr>): New.
13202         (<mrc>): New.
13203         * config/arm/arm.c (arm_coproc_builtin_available): Add
13204         support for mcr, mrc, mcr2 and mrc2.
13205         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
13206         (arm_mcr_qualifiers): ... this. New.
13207         (MRC_QUALIFIERS): Define to ...
13208         (arm_mrc_qualifiers): ... this. New.
13209         (MCR_QUALIFIERS): Define to ...
13210         (arm_mcr_qualifiers): ... this. New.
13211         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
13212         __arm_mrc2): New.
13213         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
13214         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
13215         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
13216         VUNSPEC_MRC2): New.
13217
13218 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13219
13220         * config/arm/arm.md (*ldc): New.
13221         (*stc): New.
13222         (<ldc>): New.
13223         (<stc>): New.
13224         * config/arm/arm.c (arm_coproc_builtin_available): Add
13225         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
13226         (arm_coproc_ldc_stc_legitimate_address): New.
13227         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
13228         'qualifier_const_pointer'.
13229         (LDC_QUALIFIERS): Define to...
13230         (arm_ldc_qualifiers): ... this. New.
13231         (STC_QUALIFIERS): Define to...
13232         (arm_stc_qualifiers): ... this. New.
13233         * config/arm/arm-protos.h
13234         (arm_coproc_ldc_stc_legitimate_address): New.
13235         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
13236         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
13237         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
13238         stc2, stcl, stc2l): New.
13239         * config/arm/constraints.md (Uz): New.
13240         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
13241         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
13242         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
13243         VUNSPEC_STC2L): New.
13244
13245 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13246
13247         * config/arm/arm.md (<cdp>): New.
13248         * config/arm/arm.c (neon_const_bounds): Rename this ...
13249         (arm_const_bounds): ... this.
13250         (arm_coproc_builtin_available): New.
13251         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
13252         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
13253         (CDP_QUALIFIERS): Define to...
13254         (arm_cdp_qualifiers): ... this. New.
13255         (void_UP): Define.
13256         (arm_expand_builtin_args): Add case for 6 arguments.
13257         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
13258         (arm_const_bounds): ... this.
13259         (arm_coproc_builtin_available): New.
13260         * config/arm/arm_acle.h (__arm_cdp): New.
13261         (__arm_cdp2): New.
13262         * config/arm/arm_acle_builtins.def (cdp): New.
13263         (cdp2): New.
13264         * config/arm/iterators.md (CDPI,CDP,cdp): New.
13265         * config/arm/neon.md: Rename all 'neon_const_bounds' to
13266         'arm_const_bounds'.
13267         * config/arm/types.md (coproc): New.
13268         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
13269         * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
13270         * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
13271         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
13272
13273 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13274
13275         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
13276         (UBINOP_QUALIFIERS): New.
13277         (si_UP): Define.
13278         (acle_builtin_data): New. Change comment.
13279         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
13280         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
13281         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
13282         arm_acle_builtins.def.
13283         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
13284         (arm_init_acle_builtins): New.
13285         (CRC32_BUILTIN): Remove.
13286         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
13287         crc32cb, crc32ch and crc32cw.
13288         (arm_init_crc32_builtins): Remove.
13289         (arm_init_builtins): Use arm_init_acle_builtins rather
13290         than arm_init_crc32_builtins.
13291         (arm_expand_acle_builtin): New.
13292         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
13293         * config/arm/arm_acle_builtins.def: New.
13294
13295 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13296
13297         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
13298         (arm_builtin_datum): ... this.
13299         (arm_init_neon_builtin): Rename to ...
13300         (arm_init_builtin): ... this. Add a new parameters PREFIX
13301         and USE_SIG_IN_NAME.
13302         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
13303         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
13304         'arm_builtin_datum'.
13305         (arm_init_vfp_builtins): Likewise.
13306         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
13307         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
13308         (arm_expand_neon_args): Rename to ...
13309         (arm_expand_builtin_args): ... this. Rename builtin_arg
13310         enum values and differentiate between ARG_BUILTIN_MEMORY
13311         and ARG_BUILTIN_NEON_MEMORY.
13312         (arm_expand_neon_builtin_1): Rename to ...
13313         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
13314         values, arm_expand_builtin_args and add bool parameter NEON.
13315         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
13316         (arm_expand_vfp_builtin): Likewise.
13317         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
13318
13319 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
13320
13321         PR middle-end/77484
13322         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
13323         * predict.c (tree_estimate_probability_bb): Reverse direction of
13324         polymorphic call predictor.
13325
13326 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
13327
13328         * passes.c (execute_one_pass): Split out pass-skipping logic into...
13329         (determine_pass_name_match): ...this new function and...
13330         (should_skip_pass_p): ...this new function.
13331
13332 2017-01-06  Nathan Sidwell  <nathan@acm.org>
13333
13334         * ipa-visibility.c (function_and_variable_visibility): Reformat
13335         comments and long lines.  Remove extrneous if.
13336         * symtab.c (symtab_node::make_decl_local): Fix code format.
13337         (symtab_node::set_section_for_node): Fix comment typo.
13338
13339 2017-01-06  Martin Liska  <mliska@suse.cz>
13340
13341         PR bootstrap/79003
13342         * lra-constraints.c: Rename invariant to lra_invariant.
13343         * predict.c (set_even_probabilities): Initialize e to NULL.
13344
13345 2017-01-05  Martin Sebor  <msebor@redhat.com>
13346
13347         PR tree-optimization/78910
13348         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
13349         (format_integer): Correct off-by-one error in the handling
13350         of precision with negative numbers in signed conversions..
13351
13352 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
13353
13354         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
13355
13356 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
13357
13358         PR tree-optimization/71016
13359         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
13360         factor_out_conditional_conversion.  Formatting fix.
13361         (factor_out_conditional_conversion): Add cond_stmt argument.
13362         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
13363         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
13364         Formatting fix.
13365
13366 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
13367
13368         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
13369         read-rtl-function.o, and selftest-rtl.o.
13370         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
13371         (selftest::aarch64_test_loading_full_dump): New function.
13372         (selftest::aarch64_run_selftests): New function.
13373         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
13374         selftest::aarch64_run_selftests.
13375         * config/i386/i386.c
13376         (selftest::ix86_test_loading_dump_fragment_1): New function.
13377         (selftest::ix86_test_loading_call_insn): New function.
13378         (selftest::ix86_test_loading_full_dump): New function.
13379         (selftest::ix86_test_loading_unspec): New function.
13380         (selftest::ix86_run_selftests): Call the new functions.
13381         * emit-rtl.c (maybe_set_max_label_num): New function.
13382         * emit-rtl.h (maybe_set_max_label_num): New decl.
13383         * function.c (instantiate_decls): Guard call to
13384         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
13385         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
13386         "static".
13387         * gensupport.c (gen_reader::gen_reader): Pass "false"
13388         for new "compact" param of rtx_reader.
13389         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
13390         rather than an empty string for NULL strings.
13391         * read-md.c: Potentially include config.h rather than bconfig.h.
13392         Wrap include of errors.h with #ifdef GENERATOR_FILE.
13393         (have_error): New global, copied from errors.c.
13394         (md_reader::read_name): Rename to...
13395         (md_reader::read_name_1): ...this, adding "out_loc" param,
13396         and converting "missing name or number" to returning false, rather
13397         than failing.
13398         (md_reader::read_name): Reimplement in terms of read_name_1.
13399         (md_reader::read_name_or_nil): New function.
13400         (md_reader::read_string): Handle "(nil)" by returning NULL.
13401         (md_reader::md_reader): Add new param "compact".
13402         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
13403         (md_reader::read_file): New method.
13404         * read-md.h (md_reader::md_reader): Add new param "compact".
13405         (md_reader::read_file): New method.
13406         (md_reader::is_compact): New accessor.
13407         (md_reader::read_name): Convert return type from void to file_location.
13408         (md_reader::read_name_or_nil): New decl.
13409         (md_reader::read_name_1): New decl.
13410         (md_reader::m_compact): New field.
13411         (noop_reader::noop_reader): Pass "false" for new "compact" param
13412         of rtx_reader.
13413         (rtx_reader::rtx_reader): Add new "compact" param.
13414         (rtx_reader::read_rtx_operand): Make virtual and convert return
13415         type from void to rtx.
13416         (rtx_reader::read_until): New decl.
13417         (rtx_reader::handle_any_trailing_information): New virtual function.
13418         (rtx_reader::postprocess): New virtual function.
13419         (rtx_reader::finalize_string): New virtual function.
13420         (rtx_reader::m_in_call_function_usage): New field.
13421         (rtx_reader::m_reuse_rtx_by_id): New field.
13422         * read-rtl-function.c: New file.
13423         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
13424         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
13425         (selftest::verify_three_block_rtl_cfg): New decl.
13426         * read-rtl-function.h: New file.
13427         * read-rtl.c: Potentially include config.h rather than bconfig.h.
13428         For host, include function.h, memmodel.h, and emit-rtl.h.
13429         (one_time_initialization): New function.
13430         (struct compact_insn_name): New struct.
13431         (compact_insn_names): New array.
13432         (find_code): Handle insn codes in compact dumps.
13433         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
13434         (bind_subst_iter_and_attr): Likewise.
13435         (add_condition_to_string): Likewise.
13436         (add_condition_to_rtx): Likewise.
13437         (apply_attribute_uses): Likewise.
13438         (add_current_iterators): Likewise.
13439         (apply_iterators): Likewise.
13440         (initialize_iterators): Guard usage of apply_subst_iterator with
13441         #ifdef GENERATOR_FILE.
13442         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
13443         (md_reader::read_mapping): Likewise.
13444         (add_define_attr_for_define_subst): Likewise.
13445         (add_define_subst_attr): Likewise.
13446         (read_subst_mapping): Likewise.
13447         (check_code_iterator): Likewise.
13448         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
13449         logic to...
13450         (one_time_initialization): New function.
13451         (rtx_reader::read_until): New method.
13452         (read_flags): New function.
13453         (parse_reg_note_name): New function.
13454         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
13455         Handle reuse_rtx ids.
13456         Wrap iterator lookup within #ifdef GENERATOR_FILE.
13457         Add parsing support for RTL dumps, mirroring the special-cases in
13458         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
13459         values, and calling handle_any_trailing_information.
13460         (rtx_reader::read_rtx_operand): Convert return type from void
13461         to rtx, returning return_rtx.  Handle case 'e'.  Call
13462         finalize_string on XSTR and XTMPL fields.
13463         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
13464          "(nil)" values were omitted.  Call the postprocess vfunc on the
13465         return_rtx.
13466         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
13467         class ctor.  Initialize m_in_call_function_usage.  Call
13468         one_time_initialization.
13469         * rtl-tests.c (selftest::test_uncond_jump): Call
13470         set_new_first_and_last_insn.
13471         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
13472         * selftest-rtl.c: New file.
13473         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
13474         (selftest::get_insn_by_uid): New decl.
13475         * selftest-run-tests.c (selftest::run_tests): Call
13476         read_rtl_function_c_tests.
13477         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
13478         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
13479         dumps.
13480
13481 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
13482
13483         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
13484         operands in a special way.  Assert that pos+len <= mode precision.
13485
13486 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
13487
13488         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
13489         3 argument Alias with unlimited for the negative form.
13490         (fno-vect-cost-model): Removed.
13491
13492 2017-01-05  Martin Liska  <mliska@suse.cz>
13493
13494         * hsa-gen.c (gen_hsa_divmod): New function.
13495         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
13496
13497 2017-01-05  Martin Liska  <mliska@suse.cz>
13498
13499         PR pch/78970
13500         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
13501         header.
13502
13503 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13504
13505         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
13506         small constant length operands.
13507
13508 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13509
13510         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
13511         between loop iterations.
13512
13513 2017-01-05  Martin Liska  <mliska@suse.cz>
13514
13515         PR sanitizer/78815
13516         * gimplify.c (gimplify_decl_expr): Compare to
13517         asan_poisoned_variables instread of checking flags.
13518         (gimplify_target_expr): Likewise.
13519         (gimplify_expr): Likewise.
13520         (gimplify_function_tree): Conditionally initialize
13521         asan_poisoned_variables.
13522
13523 2017-01-04  Jeff Law  <law@redhat.com>
13524
13525         PR tree-optimizatin/78812
13526         * rtl.h (contains_mem_rtx_p): Prototype.
13527         * ifcvt.c (containts_mem_rtx_p): Move from here to...
13528         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
13529         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
13530         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
13531         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
13532
13533 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13534
13535         * input.c (assert_char_at_range): Default-initialize actual_range.
13536
13537 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13538
13539         * df-scan.c (df_ref_create_structure): Make regno unsigned,
13540         to match the caller.
13541
13542 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13543
13544         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
13545         insns after final jump in test to emit dummy move.
13546
13547 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13548
13549         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
13550         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
13551
13552 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13553
13554         * multiple_target.c (create_dispatcher_calls): Init e_next.
13555         * tree-ssa-loop-split.c (split_loop): Init border.
13556         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
13557         scalar_type.
13558
13559 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
13560
13561         PR target/71977
13562         PR target/70568
13563         PR target/78823
13564         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
13565         (altivec_register_operand): Do not return true if the operand
13566         contains a SUBREG mixing SImode and SFmode.
13567         (vsx_register_operand): Likewise.
13568         (vsx_reg_sfsubreg_ok): New predicate.
13569         (vfloat_operand): Do not return true if the operand contains a
13570         SUBREG mixing SImode and SFmode.
13571         (vint_operand): Likewise.
13572         (vlogical_operand): Likewise.
13573         (gpc_reg_operand): Likewise.
13574         (int_reg_operand): Likewise.
13575         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
13576         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
13577         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
13578         SImode and SFmode.
13579         (rs6000_emit_move_si_sf_subreg): New helper function.
13580         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
13581         fixup SUBREGs involving SImode and SFmode.
13582         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
13583         numbers for the new peephole2 optimization.
13584         (peephole2 for SFmode unions): New peephole2 to optimize cases in
13585         the GLIBC math library that do AND/IOR/XOR operations on single
13586         precision floating point.
13587         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
13588         target macros to say whether we need to avoid SUBREGs mixing
13589         SImode and SFmode.
13590         (TARGET_ALLOW_SF_SUBREG): Likewise.
13591         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
13592         (UNSPEC_SI_FROM_SF): Likewise.
13593         (iorxor): Change spacing.
13594         (and_ior_xor): New iterator for AND, IOR, and XOR.
13595         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
13596         (movdi_from_sf_zero_ext): Likewise.
13597         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
13598         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
13599         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
13600         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
13601         (fms<mode>4): Likewise.
13602         (fnma<mode>4): Likewise.
13603         (fnms<mode>4): Likewise.
13604         (nfma<mode>4): Likewise.
13605         (nfms<mode>4): Likewise.
13606
13607 2017-01-04  Marek Polacek  <polacek@redhat.com>
13608
13609         PR c++/64767
13610         * doc/invoke.texi: Document -Wpointer-compare.
13611
13612 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
13613
13614         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
13615         RejectNegative.
13616
13617         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
13618         descriptions for -gdwarf-5 and emit them as uleb128 instead of
13619         2-byte data.
13620
13621 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
13622
13623         PR target/78056
13624         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
13625         documentation of the powerpc_popcntb_ok attribute.
13626         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
13627         code to issue warning messages if a requested CPU configuration is
13628         not supported by the binary (assembler and loader) toolchain.
13629         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
13630         made to define a built-in function that has been disabled.
13631         (paired_init_builtins): Add assertion to prevent ICE if attempt is
13632         made to define a built-in function that has been disabled.
13633         (altivec_init_builtins): Add comment explaining why definition
13634         of the DST built-in functions is not preceded by an assertion
13635         check.  Add assertions to prevent ICE if attempts are made to
13636         define an altivec predicate or an abs* built-in function that has
13637         been disabled.
13638         (htm_init_builtins): Add comment explaining why definition of the
13639         htm built-in functions is not preceded by an assertion check.
13640
13641 2017-01-04  Jeff Law  <law@redhat.com>
13642
13643         PR tree-optimizatin/67955
13644         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
13645         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
13646         the points-to solution does not include pt_null.  Use DECL_PT_UID
13647         unconditionally.
13648
13649 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
13650
13651         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
13652         Use gen_int_mode instead of gen_lopwart for const_int operands.
13653
13654 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
13655
13656         PR tree-optimization/71563
13657         * match.pd: Simplify X << Y into X if Y is known to be 0 or
13658         out of range value - has low bits known to be zero.
13659
13660 2017-01-04  Alan Modra  <amodra@gmail.com>
13661
13662         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
13663         * configure: Regenerate.
13664         * config.in: Regenerate.
13665
13666 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
13667
13668         PR bootstrap/77569
13669         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
13670         a substring of the message, but strcmp with the whole message.  Ifdef
13671         ENABLE_NLS, translate the message first using dgettext.
13672
13673 2017-01-03  Jeff Law  <law@redhat.com>
13674
13675         PR tree-optimizatin/78856
13676         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
13677         (mark_threaded_blocks): Remove code to truncate thread paths that
13678         cross multiple loop headers.  Instead invalidate the cached loop
13679         iteration information and handle case of a thread path walking
13680         into an irreducible region.
13681
13682 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
13683
13684         PR target/78900
13685         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
13686         assertions.  Add support for doing the signbit if the IEEE 128-bit
13687         floating point value is in a GPR.
13688         * config/rs6000/rs6000.md (Fsignbit): Delete.
13689         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
13690         Update the length attribute if the value is in a GPR.
13691         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
13692         the sign or zero extension instruction, since the value is always 0/1.
13693         (signbit<mode>2_dm2): Delete using <Fsignbit>.
13694
13695         PR target/78953
13696         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
13697         extracting SImode to a GPR register so that we can generate a
13698         store, limit the vector to be in a traditional Altivec register
13699         for the vextuwrx instruction.
13700
13701 2017-01-03  Ian Lance Taylor  <iant@google.com>
13702
13703         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
13704
13705 2017-01-03  Martin Sebor  <msebor@redhat.com>
13706
13707         PR tree-optimization/78696
13708         * gimple-ssa-sprintf.c (format_floating): Correct handling of
13709         precision.  Use MPFR for %f for greater fidelity.  Correct handling
13710         of %g.
13711         (pass_sprintf_length::compute_format_length): Set width and precision
13712         specified by asrerisk to void_node for vararg functions.
13713         (try_substitute_return_value): Adjust dump output.
13714
13715 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
13716
13717         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
13718
13719 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
13720
13721         * doc/invoke.texi (SPARC options): Document -mlra as the default.
13722         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
13723         -mlra/-mno-lra was passed to the compiler.
13724
13725 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
13726
13727         PR rtl-optimization/65618
13728         * emit-rtl.c (try_split): Move initialization of "before" and
13729         "after" to just before the call to emit_insn_after_setloc.
13730
13731 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
13732
13733         * doc/md.texi (Standard Names): Remove reference to Java frontend.
13734
13735 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
13736
13737         * dwarf2out.c (gen_enumeration_type_die): When
13738         -gno-strict-dwarf, add a DW_AT_encoding attribute.
13739
13740 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
13741
13742         PR tree-optimization/78965
13743         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
13744         Change first argument from const call_info & to call_info &.  For %n
13745         set info.nowrite to false.
13746
13747         PR middle-end/78901
13748         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
13749         possibly throwing calls.
13750
13751         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
13752         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
13753         and fns handling, rather than in a separate case SSA_NAME.
13754
13755 2017-01-02  Jeff Law  <law@redhat.com>
13756
13757         * config/darwin-driver.c (darwin_driver_init): Const-correctness
13758         fixes for first_period and second_period variables.
13759
13760 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
13761
13762         PR target/78967
13763         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
13764         (*insvqi_1): New insn pattern.
13765         (*insvqi_1_mem_rex64): Ditto.
13766         (*insvqi_2): Ditto.
13767         (*insvqi_3): Rename from *insvqi.
13768
13769         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
13770
13771 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
13772
13773         * doc/cfg.texi (Edges): Remove reference to Java.
13774         (Maintaining the CFG): Ditto.
13775
13776 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
13777
13778         PR middle-end/77674
13779         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
13780         transparent aliases.
13781
13782 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
13783
13784         PR middle-end/77484
13785         * predict.def (PRED_CALL): Update hitrate.
13786         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
13787         * predict.c (tree_estimate_probability_bb): Split CALL predictor
13788         into direct/indirect/polymorphic variants.
13789
13790 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
13791
13792         Update copyright years.
13793
13794         * gcc.c (process_command): Update copyright notice dates.
13795         * gcov-dump.c (print_version): Ditto.
13796         * gcov.c (print_version): Ditto.
13797         * gcov-tool.c (print_version): Ditto.
13798         * gengtype.c (create_file): Ditto.
13799         * doc/cpp.texi: Bump @copying's copyright year.
13800         * doc/cppinternals.texi: Ditto.
13801         * doc/gcc.texi: Ditto.
13802         * doc/gccint.texi: Ditto.
13803         * doc/gcov.texi: Ditto.
13804         * doc/install.texi: Ditto.
13805         * doc/invoke.texi: Ditto.
13806 \f
13807 Copyright (C) 2017 Free Software Foundation, Inc.
13808
13809 Copying and distribution of this file, with or without modification,
13810 are permitted in any medium without royalty provided the copyright
13811 notice and this notice are preserved.