gcc/ChangeLog

   1 2017-06-09  Martin Liska  <mliska@suse.cz>
   2
   3         * predict.c (struct branch_predictor): New struct.
   4         (test_prediction_value_range): New test.
   5         (predict_c_tests): New function.
   6         * selftest-run-tests.c (selftest::run_tests): Run the function.
   7         * selftest.h: Declare new tests.
   8
   9 2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
  10
  11         PR target/80966
  12         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
  13         gen_add3_insn did not fail.
  14         * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
  15         r0, construct that number in a temporary reg and add that reg to r0.
  16         If asked to put the result in r0 as well, fail.
  17
  18 2017-06-08  Will Schmidt  <will_schmidt@vnet.ibm.com>
  19
  20         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
  21         for early expansion of vec_eqv.
  22
  23 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
  24
  25         PR middle-end/81005
  26         * ubsan.c (instrument_null): Avoid pointless code temporary.
  27         (pass_ubsan::execute): Instrument aggregate arguments of calls.
  28
  29 2017-06-08  Uros Bizjak  <ubizjak@gmail.com>
  30
  31         PR target/81015
  32         Revert:
  33         2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
  34
  35         PR target/59874
  36         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
  37         (*clzhi2): Ditto.
  38
  39 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
  40
  41         * predict.c (unlikely_executed_edge_p): Move ahead.
  42         (probably_never_executed_edge_p): Use it.
  43
  44 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
  45
  46         PR middle-end/79988
  47         * tree-chkp.c (chkp_gimple_call_builtin_p): Remove
  48         gimple_call_builtin_p call.
  49
  50 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
  51
  52         * system.h (fancy_abort): Annotate by ATTRIBUTE_COLD.
  53         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
  54         rtl_check_failed_type2, rtl_check_failed_code1,
  55         rtl_check_failed_code2, rtl_check_failed_code_mode,
  56         rtl_check_failed_block_symbol, cwi_check_failed_bounds,
  57         rtvec_check_failed_bounds, rtl_check_failed_flag,
  58         _fatal_insn_not_found, _fatal_insn): Likewise.
  59         * tree.h (tree_contains_struct_check_failed,
  60         tree_check_failed, tree_not_check_failed,
  61         tree_class_check_failed, tree_range_check_failed,
  62         tree_not_class_check_failed, tree_int_cst_elt_check_failed,
  63         tree_vec_elt_check_failed, phi_node_elt_check_failed,
  64         tree_operand_check_failed, omp_clause_check_failed,
  65         omp_clause_operand_check_failed, omp_clause_range_check_failed):
  66         Likewise.
  67
  68 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
  69
  70         * cgraph.c (cgraph_edge::maybe_hot_p): Do not check
  71         flag_branch_probabilities.
  72         * ipa-inline.c (edge_badness): Likewise.
  73         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
  74         * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
  75         * predict.c (maybe_hot_frequency_p): Likewise.
  76         (probably_never_executed): Likewise.
  77         * sched-ebb.c (schedule_ebbs): Likewise.
  78         * sched-rgn.c (find_single_block_region): Likewise.
  79         * tracer.c (tail_duplicate): Likewise.
  80
  81 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
  82
  83         * opts.c (finish_options): x_flag_reorder_blocks_and_partition no
  84         longer requires x_flag_profile_use.
  85
  86 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
  87
  88         * cfgrtl.c (cfg_layout_initialize): Check crtl->has_bb_partition
  89         instead of flag_reorder_blocks_and_partition.
  90         * dbxout.c (dbxout_function_end): Likewise.
  91         * dwarf2out.c (gen_subprogram_die): Likewise.
  92         * haifa-sched.c (sched_create_recovery_edges): Likewise.
  93         * hw-doloop.c (reorg_loops): Likewise.
  94         * varasm.c (assemble_start_function,
  95         assemble_end_function): Likewise.
  96         (decide_function_section): Do not check for
  97         flag_reorder_blocks_and_partition.
  98
  99 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
 100
 101         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
 102         New function.
 103         (chkp_get_hard_register_fake_addr_expr): Ditto.
 104         (chkp_build_addr_expr): Add check for hard reg case.
 105         (chkp_parse_array_and_component_ref): Ditto.
 106         (chkp_find_bounds_1): Ditto.
 107         (chkp_process_stmt): Don't generate bounds store for
 108         hard reg case.
 109
 110 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 111
 112         * predict.c (maybe_hot_bb_p): Do not check profile status.
 113         (maybe_hot_edge_p): Likewise.
 114         (probably_never_executed): Check for zero counts even if profile
 115         is not read.
 116         (unlikely_executed_edge_p): New function.
 117         (unlikely_executed_stmt_p): New function.
 118         (unlikely_executed_bb_p): New function.
 119         (set_even_probabilities): Use unlikely predicates.
 120         (combine_predictions_for_bb): Likewise.
 121         (predict_paths_for_bb): Likewise.
 122         (predict_paths_leading_to_edge): Likewise.
 123         (determine_unlikely_bbs): New function.
 124         (estimate_bb_frequencies): Use it.
 125         (compute_function_frequency): Use zero counts even if profile is
 126         not read.
 127         * profile-count.h: Fix typo.
 128
 129 2017-08-08  Julia Koval  <julia.koval@intel.com>
 130
 131         * config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
 132         _mm512_mask_cvtsepi16_storeu_epi8,
 133         _mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
 134         * config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
 135         _mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
 136         _mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
 137         _mm_mask_cvtepi16_storeu_epi8): New intrinsics.
 138         * config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
 139         (VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
 140         VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
 141         * config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
 142         __builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
 143         __builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
 144         __builtin_ia32_pmovuswb256mem_mask,
 145         __builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
 146         __builtin_ia32_pmovwb512mem_mask): New builtins.
 147
 148 2017-08-08  Julia Koval  <julia.koval@intel.com>
 149
 150         PR target/73350,80862
 151         * config/i386/subst.md (round): Fix round pattern.
 152         * config/i386/i386.c (ix86_erase_embedded_rounding):
 153         Fix erasing rounding for the fixed pattern.
 154
 155 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 156
 157         * cfgbuild.c (find_many_sub_basic_blocks): Fix thinko.
 158
 159 2017-06-08  Martin Liska  <mliska@suse.cz>
 160
 161         PR gcov-profile/80911
 162         * gcov.c (block_info::block_info): New constructor.
 163
 164 2017-06-07  Carl Love  <cel@us.ibm.com>
 165
 166         * config/rs6000/rs6000-c: The return type of the following
 167         built-in functions was implemented as int not long long.  Fix sign
 168         of return value for the unsigned version of vec_mulo and vec_mule.
 169         vector unsigned long long vec_bperm (vector unsigned long long,
 170                                              vector unsigned char)
 171         vector signed long long vec_mule (vector signed int,
 172                                           vector signed int)
 173         vector unsigned long long vec_mule (vector unsigned int,
 174                                             vector unsigned int)
 175         vector signed long long vec_mulo (vector signed int,
 176                                           vector signed int)
 177         vector unsigned long long vec_mulo (vector unsigned int,
 178                                             vector unsigned int)
 179         * doc/extend.texi: Fix the documentation for the built-in
 180         functions.
 181
 182 2017-06-07  Carl Love  <cel@us.ibm.com>
 183
 184         PR target/80982
 185         * config/rs6000/altivec.md (double<mode>2): Fix the implementation of
 186         for BE.
 187
 188 2017-06-07  Carl Love  <cel@us.ibm.com>
 189
 190         * config/rs6000/altivec.md: Fix argument swizzle in vec_doublel
 191         support, Generate       doublehv for signed int/float for BE case only.
 192
 193 2017-06-07  Alexander Monakov  <amonakov@ispras.ru>
 194
 195         * doc/invoke.texi (mcx16): Rewrite.
 196
 197 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 198
 199         * config/rs6000/predicates.md (rs6000_nonimmediate_operand): Delete.
 200         * config/rs6000/rs6000.md (*movsi_internal1, movsi_from_sf,
 201         *mov<mode>_softfloat, and an anonymous splitter): Use
 202         nonimmediate_operand instead of rs6000_nonimmediate_operand.
 203
 204 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 205
 206         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE_ACC and
 207         SPEFSCR registers.
 208         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
 209         (enum rs6000_reg_type): Delete SPE_ACC_TYPE and SPEFSCR_REG_TYPE.
 210         (rs6000_debug_reg_global): Adjust.
 211         (rs6000_init_hard_regno_mode_ok): Adjust.
 212         (rs6000_dbx_register_number): Adjust.
 213         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change to 115.
 214         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
 215         Remove SPE_ACC and SPEFSCR.
 216         (REG_ALLOC_ORDER): Ditto.
 217         (FRAME_POINTER_REGNUM): Change to 111.
 218         (enum reg_class): Remove the SPE_ACC and SPEFSCR registers.
 219         (REG_CLASS_NAMES): Ditto.
 220         (REG_CLASS_CONTENTS): Delete the SPE_ACC and SPEFSCR registers.
 221         (REGISTER_NAMES): Ditto.
 222         (ADDITIONAL_REG_NAMES): Ditto.
 223         (rs6000_reg_names): Ditto.
 224         * config/rs6000/rs6000.md: Renumber some register number
 225         define_constants.
 226
 227 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 228
 229         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE high
 230         registers.
 231         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
 232         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change from 149
 233         to 117.
 234         (DWARF_REG_TO_UNWIND_COLUMN): Do not define.
 235         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
 236         Delete the SPE high registers.
 237         (REG_ALLOC_ORDER): Ditto.
 238         (enum reg_class): Remove SPE_HIGH_REGS.
 239         (REG_CLASS_NAMES): Ditto.
 240         (REG_CLASS_CONTENTS): Delete the SPE high registers.
 241         (REGISTER_NAMES): Ditto.
 242         (rs6000_reg_names): Ditto.
 243         * doc/tm.texi.in: Remove SPE as example.
 244         * doc/tm.texi: Regenerate.
 245
 246 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 247
 248         * config/rs6000/8540.md (ppc8540_brinc): Delete.
 249         * config/rs6000/e500mc.md (e500mc_brinc): Delete.
 250         * config/rs6000/e500mc64.md (e500mc64_brinc): Delete.
 251         * config/rs6000/rs6000.md (type): Remove "brinc".
 252
 253 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 254
 255         * config.gcc (powerpc*-*-*): Don't add spe.h to extra_headers.
 256         (powerpc*-linux*spe*): Use ${cpu_type} instead of rs6000.
 257         * config/rs6000/linuxspe.h: Delete file.
 258         * config/rs6000/rs6000.md: Don't include spe.md.
 259         * config/rs6000/spe.h: Delete file.
 260         * config/rs6000/spe.md: Delete file.
 261         * config/rs6000/t-rs6000: Remove spe.md.
 262
 263 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 264
 265         * config/rs6000/predicates.md (reg_or_mem_operand): Reformat.
 266         (reg_or_none500mem_operand): Delete.
 267         * config/rs6000/rs6000.md (extendsfdf2): Use reg_or_mem_operand
 268         instead of reg_or_none500mem_operand.
 269
 270 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 271
 272         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
 273         handling of SPE flags.
 274         * config/rs6000/rs6000.opt (-mspe, -mspe=no, -mspe=yes): Delete.
 275
 276 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 277
 278         * config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
 279         SPE ABI handling.
 280         * config/rs6000/paired.md (paired_negv2sf2): Rename to negv2sf2.
 281         (paired_absv2sf2, paired_addv2sf3, paired_subv2sf3, paired_mulv2sf3,
 282         paired_divv2sf3): Similar.
 283         * config/rs6000/predicates.md: Replace TARGET_SPE, TARGET_SPE_ABI,
 284         SPE_VECTOR_MODE and SPE_HIGH_REGNO_P by 0; simplify.
 285         * config/rs6000/rs6000-builtin.def: Delete RS6000_BUILTIN_E and
 286         RS6000_BUILTIN_S.
 287         Delete BU_SPE_1, BU_SPE_2, BU_SPE_3, BU_SPE_E, BU_SPE_P, and BU_SPE_X.
 288         Rename the paired_* instruction patterns.
 289         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Do not
 290         define __SPE__.
 291         * config/rs6000/rs6000-protos.h (invalid_e500_subreg): Delete.
 292         * config/rs6000/rs6000.c: Delete RS6000_BUILTIN_E and RS6000_BUILTIN_S.
 293         (struct rs6000_stack): Delete fields spe_gp_save_offset, spe_gp_size,
 294         spe_padding_size, and spe_64bit_regs_used.  Replace TARGET_SPE and
 295         TARGET_SPE_ABI with 0, simplify.  Replace SPE_VECTOR_MODE with
 296         PAIRED_VECTOR_MODE.
 297         (struct machine_function): Delete field spe_insn_chain_scanned_p.
 298         (spe_func_has_64bit_regs_p): Delete.
 299         (spe_expand_predicate_builtin): Delete.
 300         (spe_expand_evsel_builtin): Delete.
 301         (TARGET_DWARF_REGISTER_SPAN): Do not define.
 302         (TARGET_MEMBER_TYPE_FORCES_BLK): Do not define.
 303         (invalid_e500_subreg): Delete.
 304         (rs6000_legitimize_address): Always force_reg op2 as well, for
 305         paired single memory accesses.
 306         (rs6000_member_type_forces_blk): Delete.
 307         (rs6000_spe_function_arg): Delete.
 308         (rs6000_expand_unop_builtin): Delete SPE handling.
 309         (rs6000_expand_binop_builtin): Ditto.
 310         (spe_expand_stv_builtin): Delete.
 311         (bdesc_2arg_spe): Delete.
 312         (spe_expand_builtin): Delete.
 313         (spe_expand_predicate_builtin): Delete.
 314         (spe_expand_evsel_builtin): Delete.
 315         (rs6000_invalid_builtin): Remove RS6000_BTM_SPE handling.
 316         (spe_init_builtins): Delete.
 317         (spe_func_has_64bit_regs_p): Delete.
 318         (savres_routine_name): Delete "info" parameter.  Adjust callers.
 319         (rs6000_emit_stack_reset): Ditto.
 320         (rs6000_dwarf_register_span): Delete.
 321         * config/rs6000/rs6000.h (TARGET_SPE_ABI, TARGET_SPE,
 322         UNITS_PER_SPE_WORD, SPE_HIGH_REGNO_P, SPE_SIMD_REGNO_P,
 323         SPE_VECTOR_MODE, RS6000_BTM_SPE, RS6000_BUILTIN_E, RS6000_BUILTIN_S):
 324         Delete.
 325         * config/rs6000/rs6000.md (FIRST_SPE_HIGH_REGNO, LAST_SPE_HIGH_REGNO):
 326         Delete.
 327         * config/rs6000/rs6000.opt (-mabi=spe, -mabi=no-spe): Delete.
 328         * config/rs6000/spe.md: Delete every pattern that uses TARGET_SPE.
 329         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
 330         mulv2sf3, divv2sf3): Delete expanders.
 331
 332 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 333
 334         config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Delete.
 335
 336 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 337
 338         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit): Delete.
 339         * config/rs6000/rs6000.c: Ditto.
 340
 341 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 342
 343         * config/rs6000/predicated.md (rs6000_cbranch_operator): Delete.
 344         * config/rs6000/rs6000.md: Replace rs6000_cbranch_operator by
 345         comparison_operator.
 346
 347 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 348
 349         * config/rs6000/rs6000.c: Remove everything related to -mfloat-gprs.
 350         * config/rs6000/rs6000.opt: Ditto.
 351         * config/rs6000/t-rtems: Ditto.
 352
 353 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 354
 355         * config/rs6000/predicates.md: Replace TARGET_E500_DOUBLE and
 356         TARGET_E500_SINGLE by 0, simplify.
 357         * config/rs6000/rs6000.c: Ditto.
 358         (rs6000_option_override_internal): Delete CHECK_E500_OPTIONS.
 359         (spe_build_register_parallel): Delete.
 360         * config/rs6000/rs6000.h: Delete TARGET_E500_SINGLE,
 361         TARGET_E500_DOUBLE, and CHECK_E500_OPTIONS.
 362         * config/rs6000/rs6000.md: Replace TARGET_E500_DOUBLE,
 363         TARGET_E500_SINGLE, and <E500_CONVERT> by 0, simplify.
 364         (E500_CONVERT): Delete.
 365         * config/rs6000/spe.md: Remove many patterns and all define_constants.
 366
 367 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 368
 369         * config/rs6000/darwin.md: Replace TARGET_FPRS by 1 and simplify.
 370         * config/rs6000/dfp.md: Ditto.
 371         (negdd2, *negdd2_fpr): Merge.
 372         (absdd2, *absdd2_fpr): Merge.
 373         (negtd2, *negtd2_fpr): Merge.
 374         (abstd2, *abstd2_fpr): Merge.
 375         * config/rs6000/e500.h: Delete file.
 376         * config/rs6000/predicates.md (rs6000_cbranch_operator): Replace
 377         TARGET_FPRS by 1 and simplify.
 378         * config/rs6000/rs6000-c.c: Ditto.
 379         * config/rs6000/rs6000.c: Ditto.  Also replace TARGET_SF_SPE and
 380         TARGET_DF_SPE by 0.
 381         * config/rs6000/rs6000.h: Ditto.  Delete TARGET_SF_SPE and
 382         TARGET_DF_SPE.
 383         * config/rs6000/rs6000.md: Ditto.
 384         (floatdidf2, *floatdidf2_fpr): Merge.
 385         (move_from_CR_gt_bit): Delete.
 386         * config/rs6000/spe.md: Replace TARGET_FPRS by 1 and simplify.
 387         (E500_CR_IOR_COMPARE): Delete.
 388         (All patterns that require !TARGET_FPRS): Delete.
 389         * config/rs6000/vsx.md: Replace TARGET_FPRS by 1 and simplify.
 390
 391 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 392
 393         * passes.def (pass_iv_canon): Move before pass_loop_distribution.
 394
 395 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 396
 397         * graphds.c (add_edge): Intitialize edge's attached data.
 398         (foll_in_subgraph, dfs_fst_edge, dfs_next_edge): New function
 399         pointer parameter.  Call pointed function on each edge during
 400         graph traversing.  Skip traversing the edge when the function
 401         returns true.
 402         (graphds_dfs, graphds_scc): Ditto.
 403         (for_each_edge): New parameter.  Pass the new parameter to callback
 404         function.
 405         * graphds.h (skip_edge_callback): New function pointer type.
 406         (graphds_dfs, graphds_scc): New function pointer parameter.
 407         (graphds_edge_callback, for_each_edge): New parameter.
 408
 409 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 410
 411         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Factor
 412         out code checking if runtime alias check is possible to below ...
 413         Call the new function.
 414         * tree-data-ref.c (runtime_alias_check_p): ... to new function.
 415         * tree-data-ref.h (runtime_alias_check_p): New decalaration.
 416
 417 2017-06-07  Marek Polacek  <polacek@redhat.com>
 418
 419         PR sanitizer/80932
 420         * fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
 421         TYPE_OVERFLOW_WRAPS check.
 422
 423 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 424
 425         * tree-vect-loop-manip.c (vect_do_peeling): Don't skip vector loop
 426         if versioning is required.
 427         * tree-vect-loop.c (vect_analyze_loop_2): Merge niter check for loop
 428         peeling with the check for versioning.
 429
 430 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 431
 432         * tree-vectorizer.h (vect_build_loop_niters): New parameter.
 433         * tree-vect-loop-manip.c (vect_build_loop_niters): New parameter.
 434         Set true to new parameter if new ssa variable is defined.
 435         (vect_gen_vector_loop_niters): Refactor.  Set range information
 436         for the new vector loop bound variable.
 437         (vect_do_peeling): Ditto.
 438
 439 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 440
 441         * tree-affine.c (ssa.h): Include header file.
 442         (tree_to_aff_combination): Handle (T1)(X - CST) when inner type
 443         has wrapping overflow behavior.
 444
 445 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 446
 447         * tree-affine.c (tree_to_aff_combination): Handle (T1)(X + X).
 448
 449 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 450
 451         (aff_combination_expand): Move (T1)(X *+- CST) simplification to ...
 452         (tree_to_aff_combination): ... here.
 453
 454 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 455
 456         * tree-ssa-loop-ivopts.c (ivopts_estimate_reg_pressure): New
 457         reg_pressure model function.
 458         (ivopts_global_cost_for_size): Delete.
 459         (determine_set_costs, iv_ca_recount_cost): Call new model function
 460         ivopts_estimate_reg_pressure.
 461
 462 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
 463
 464         * config/aarch64/aarch64.c (aarch64_rtx_costs): Make sdiv more expensive than udiv.
 465         Remove floating point cases from mod.
 466
 467 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
 468
 469         * config/arm/aarch-cost-tables.h (cortexa53_extra_cost): Increase idiv cost.
 470
 471 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
 472
 473         * config/aarch64/aarch64.md
 474         (copysignsf3): Fix mask generation.
 475
 476 2017-06-07  Jakub Jelinek  <jakub@redhat.com>
 477
 478         * dumpfile.h (enum tree_dump_index): Rename TDI_generic to
 479         TDI_gimple.
 480         (class dump_manager): Add register_dumps method.
 481         * dumpfile.c: Include langhooks.h.
 482         (dump_files): Use 0 instead of 3/4/5 for TDI_{original,gimple,nested}.
 483         (FIRST_AUTO_NUMBERED_DUMP): Decrease to 1.
 484         (FIRST_ME_AUTO_NUMBERED_DUMP): Define.
 485         (dump_manager::dump_register): Start with 512 entries instead of 32.
 486         (dump_manager::register_dumps): New method.
 487         * toplev.c (general_init): Instead of invoking register_dumps
 488         langhook, invoke register_dumps method on the dump manager.
 489         * gimplify.c (gimplify_function_tree): Use TDI_gimple instead of
 490         TDI_generic.
 491
 492 2017-06-07  Richard Sandiford  <richard.sandiford@linaro.org>
 493
 494         * doc/md.texi: Clarify the restrictions on a define_insn condition.
 495         Say that # requires an associated define_split to exist, and that
 496         the define_split must be suitable for use after register allocation.
 497
 498 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 499
 500         * cfgbuild.c (find_bb_boundaries): Initialize profile of split blocks.
 501         (compute_outgoing_frequencies): Also initialize zero counts.
 502         (find_many_sub_basic_blocks): Do not produce uninitialized profile
 503         around loops; preserve more of profile when nothing changes.
 504
 505 2017-06-06  Jim Wilson  <jim.wilson@linaro.org>
 506
 507         * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
 508         here.
 509         * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
 510         * config/arm/arm-cpu-cdata.h: Regenerate.
 511         * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
 512         * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
 513         * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
 514         * config/arm/arm.c (arm_qdf24xx_tune): Delete.
 515         * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
 516         support.
 517         * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
 518         support.
 519         * config/arm/t-rmprofile: Likewise.
 520         * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.
 521
 522 2017-06-06  David S. Miller  <davem@davemloft.net>
 523
 524         PR target/80968
 525         * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
 526         blockage if function uses alloca.
 527
 528 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
 529
 530         * tree-ssa-loop-prefetch.c (struct mem_ref_group, struct mem_ref):
 531         New "uid" fields to hold pretty-print IDs of group and ref.
 532         Memory references are now identified as <group_id>:<ref_id>
 533         instead of using [random] addresses.
 534         (dump_mem_details): Simplify, no functional change.
 535         (dump_mem_ref): Simplify and make output more concise.
 536         Replace couple of fprintf's throughout code with calls to dump_mem_ref.
 537         (find_or_create_group): Initialize group uid.
 538         (record_ref): Initialize ref uid.  Improve debug output.
 539         (prune_group_by_reuse, should_issue_prefetch_p,)
 540         (should_issue_prefetch_p, schedule_prefetches, issue_prefetch_ref,)
 541         (mark_nontemporal_store, determine_loop_nest_reuse):
 542         Improve debug output.
 543
 544 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
 545
 546         * dbgcnt.def (prefetch): New debug counter.
 547         * tree-ssa-loop-prefetch.c (dbgcnt.h): New include.
 548         (schedule_prefetches): Stop issueing prefetches if debug counter
 549         tripped.
 550
 551 2017-06-06  Tom de Vries  <tom@codesourcery.com>
 552
 553         * doc/sourcebuild.texi (Testsuites, C Language Testsuites,
 554         gcc.c-torture/compile): Remove mention of NO_LABEL_VALUES in fixme.
 555
 556 2017-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 557
 558         * config/aarch64/atomics.md (atomic_compare_and_swap<mode> expander):
 559         Use aarch64_reg_or_zero predicate for operand 4.
 560         (aarch64_compare_and_swap<mode> define_insn_and_split):
 561         Use aarch64_reg_or_zero predicate for operand 3.  Add 'Z' constraint.
 562         (aarch64_store_exclusive<mode>): Likewise for operand 2.
 563
 564 2017-06-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 565
 566         * config/arm/arm.c (arm_compute_save_reg_mask): Rename into ...
 567         (arm_compute_save_core_reg_mask): This.
 568         (thumb1_compute_save_reg_mask): Rename into ...
 569         (thumb1_compute_save_core_reg_mask): This.
 570         (arm_compute_save_reg0_reg12_mask): Adapt comment.
 571         (arm_compute_frame_layout): Likewise.
 572
 573 2017-06-06  Richard Biener  <rguenther@suse.de>
 574
 575         PR tree-optimization/80974
 576         * tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
 577         keep or clear leaders SSA info.
 578
 579 2017-06-06  Tom de Vries  <tom@codesourcery.com>
 580
 581         * config/nvptx/nvptx.c (split_mode_p): New function.
 582         (nvptx_declare_function_name, nvptx_print_operand): Use split_mode_p.
 583
 584 2017-06-06  Tom de Vries  <tom@codesourcery.com>
 585
 586         * config/nvptx/nvptx.c (nvptx_print_operand): Use maybe_split_mode.
 587
 588 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 589
 590         PR bootstrap/80978
 591         * tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
 592         profile.
 593
 594 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 595
 596         * shrink-wrap.c (handle_simple_exit): Update profile.
 597         (try_shrink_wrapping): Upate profile.
 598
 599 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 600
 601         * predict.c (tree_estimate_probability_bb): Add LOCAL_ONLY.
 602         (tree_guess_outgoing_edge_probabilities): New.
 603         * predict.h (tree_guess_outgoing_edge_probabilities): Declare.
 604         * tree-cfg.c (gimple_find_sub_bbs): Propagate profile.
 605
 606 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 607
 608         * ipa-split.c (split_function): Initialize return bb profile.
 609
 610 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
 611
 612         * profile.c (compute_branch_probabilities): Also initialize
 613         EXIT_BLOCK profile.
 614
 615 2017-06-06  Richard Biener  <rguenther@suse.de>
 616
 617         PR tree-optimization/80928
 618         * tree-vect-loop.c (vect_update_vf_for_slp): Amend dumps.
 619         (vect_analyze_loop_operations): Properly guard analysis for
 620         pure SLP case.
 621         (vect_transform_loop): Likewise.
 622         (vect_analyze_loop_2): Also reset SLP type on PHIs.
 623         (vect_model_induction_cost): Do not cost for pure SLP.
 624         (vectorizable_induction): Pass in SLP node, implement SLP vectorization
 625         of induction in inner loop vectorization.
 626         * tree-vect-slp.c (vect_create_new_slp_node): Handle PHIs.
 627         (vect_get_and_check_slp_defs): Handle vect_induction_def.
 628         (vect_build_slp_tree): Likewise.  Handle PHIs as terminating the
 629         recursion.
 630         (vect_analyze_slp_cost_1): Cost induction.
 631         (vect_detect_hybrid_slp_stmts): Handle PHIs.
 632         (vect_get_slp_vect_defs): Likewise.
 633         * tree-vect-stmts.c (vect_analyze_stmt): Handle induction.
 634         (vect_transform_stmt): Handle SLP reductions.
 635         * tree-vectorizer.h (vectorizable_induction): Adjust.
 636
 637 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
 638
 639         * config/rs6000/rs6000.c (make_resolver_func): Update
 640         init_lowered_empty_function call.
 641
 642 2017-06-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 643
 644         * doc/invoke.texi: Document the -fprofile-abs-path option.
 645         * common.opt (fprofile-abs-path): New option.
 646         * gcov-io.h (gcov_write_filename): Declare.
 647         * gcov-io.c (gcov_write_filename): New function.
 648         * coverage.c (coverage_begin_function): Use gcov_write_filename.
 649         * profile.c (output_location): Likewise.
 650
 651 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
 652
 653         * shring-wrap.c: Revert accidental commit.
 654
 655 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
 656
 657         * doc/invoke.texi (-Wduplicated-branches): Add to warning list.
 658
 659 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
 660
 661         * cfgexpand.c (expand_gimple_tailcall): Initialize profile of
 662         new edge.
 663         * ipa-inline.c (want_inline_self_recursive_call_p): Watch for missing
 664         profile in callgraph edge.
 665         * profile-count.h (apply_probability): If THIS is 0, then result is 0
 666         (apply_scale): Likewise.
 667         * tree-inline.c (copy_bb, copy_edges_for_bb, copy_cfg_body):
 668         Also scale profile when inlining function with zero profile.
 669         (initialize_cfun): Update exit block profile even when it is zero.
 670         * tree-ssa-threadupdate.c (clear_counts_path): Handle correctly case
 671         when profile is read.
 672
 673 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
 674
 675         * config/rs6000/rs6000.c (toplevel): Include attribs.h.
 676         (CLONE_*): New constants to define the processors we can generate
 677         code for with the target_clone attribute.
 678         (rs6000_clone_map): New array to identify which clone processors
 679         the current program is running on.
 680         (TARGET_COMPARE_VERSION_PRIORITY): Define to enable the
 681         target_clone attribute.
 682         (TARGET_GENERATE_VERSION_DISPATCHER_BODY): Likewise.
 683         (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): Likewise.
 684         (TARGET_OPTION_FUNCTION_VERSIONS): Likewise.
 685         (cpu_expand_builtin): Add support for target_clone attribute.
 686         (rs6000_valid_attribute_p): Allow "default" attribute.
 687         (get_decl_name): New debug function to simplify printing the
 688         current function name in debugging statements.
 689         (rs6000_clone_priority): New functions to support the target_clone
 690         attribute, and be able to generate code to switch between ISA 2.05
 691         through ISA 3.0 (power6 through power9).
 692         (rs6000_compare_version_priority): Likewise.
 693         (rs6000_get_function_versions_dispatcher): Likewise.
 694         (make_resolver_func): Likewise.
 695         (add_condition_to_bb): Likewise.
 696         (dispatch_function_versions): Likewise.
 697         (rs6000_generate_version_dispatcher_body): Likewise.
 698         (rs6000_can_inline_p): Call get_decl_name for debugging usage.
 699         (fusion_gpr_load_p): Fix a spacing issue.
 700         * doc/extend.texi (Common Function Attributes): Document that the
 701         PowerPC supports the target_clone attribute.
 702
 703 2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 704
 705         * config/arm/arm.h: explain F symbol found in description of ARM
 706         register allocation in its legend.
 707
 708 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
 709
 710         * config/mips/frame-header-opt.c: Include profile-count.h.
 711         * config/riscv/riscv.c: Include profile-count.h
 712
 713 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
 714
 715         * tree-ssa-loop-im.c (execute_sm_if_changed): Add FLAG_BBS parameter;
 716         update profile.
 717         (sm_set_flag_if_changed): Add bbs field.
 718         (execute_sm_if_changed_flag_set): Pass BBS.
 719         (execute_sm): Update.
 720
 721 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 722
 723         * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
 724         New pattern.
 725
 726 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 727
 728         * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): New define_insn.
 729         (peephole2): New peephole2 to emit the above.
 730         * config/aarch64/predicates.md (aarch64_sub_immediate): New predicate.
 731
 732 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 733
 734         * config/aarch64/aarch64.c (define_peephole2 above
 735         *sub_<shift>_<mode>): New peephole.
 736
 737 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
 738
 739         * config/i386/i386.c (make_resolver_func): Update.
 740         * Makefile.in: Add profile-count.h and profile-count.o
 741         * auto-profile.c (afdo_indirect_call): Update to new API.
 742         (afdo_set_bb_count): Update.
 743         (afdo_propagate_edge): Update.
 744         (afdo_propagate_circuit): Update.
 745         (afdo_calculate_branch_prob): Update.
 746         (afdo_annotate_cfg): Update.
 747         * basic-block.h: Include profile-count.h
 748         (struct edge_def): Turn count to profile_count.
 749         (struct basic_block_def): Likewie.
 750         (REG_BR_PROB_BASE): Move to profile-count.h
 751         (RDIV): Move to profile-count.h
 752         * bb-reorder.c (max_entry_count): Turn to profile_count.
 753         (find_traces): Update.
 754         (rotate_loop):Update.
 755         (connect_traces):Update.
 756         (sanitize_hot_paths):Update.
 757         * bt-load.c (migrate_btr_defs): Update.
 758         * cfg.c (RDIV): Remove.
 759         (init_flow): Use alloc_block.
 760         (alloc_block): Uninitialize count.
 761         (unchecked_make_edge): Uninitialize count.
 762         (check_bb_profile): Update.
 763         (dump_edge_info): Update.
 764         (dump_bb_info): Update.
 765         (update_bb_profile_for_threading): Update.
 766         (scale_bbs_frequencies_int): Update.
 767         (scale_bbs_frequencies_gcov_type): Update.
 768         (scale_bbs_frequencies_profile_count): New.
 769         * cfg.h (update_bb_profile_for_threading): Update.
 770         (scale_bbs_frequencies_profile_count): Declare.
 771         * cfgbuild.c (compute_outgoing_frequencies): Update.
 772         (find_many_sub_basic_blocks): Update.
 773         * cfgcleanup.c (try_forward_edges): Update.
 774         (try_crossjump_to_edge): Update.
 775         * cfgexpand.c (expand_gimple_tailcall): Update.
 776         (construct_exit_block): Update.
 777         * cfghooks.c (verify_flow_info): Update.
 778         (dump_bb_for_graph): Update.
 779         (split_edge): Update.
 780         (make_forwarder_block): Update.
 781         (duplicate_block): Update.
 782         (account_profile_record): Update.
 783         * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
 784         (get_estimated_loop_iterations): Update.
 785         * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
 786         (single_likely_exit): Update.
 787         * cfgloopmanip.c (scale_loop_profile): Update.
 788         (loopify): Update.
 789         (set_zero_probability): Update.
 790         (lv_adjust_loop_entry_edge): Update.
 791         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
 792         (purge_dead_edges): Update.
 793         (rtl_account_profile_record): Update.
 794         * cgraph.c (cgraph_node::create): Uninitialize count.
 795         (symbol_table::create_edge): Uninitialize count.
 796         (cgraph_update_edges_for_call_stmt_node): Update.
 797         (cgraph_edge::dump_edge_flags): Update.
 798         (cgraph_node::dump): Update.
 799         (cgraph_edge::maybe_hot_p): Update.
 800         * cgraph.h: Include profile-count.h
 801         (create_clone), create_edge, create_indirect_edge): Update.
 802         (cgraph_node): Turn count to profile_count.
 803         (cgraph_edge0: Likewise.
 804         (make_speculative, clone): Update.
 805         (create_edge): Update.
 806         (init_lowered_empty_function): Update.
 807         * cgraphclones.c (cgraph_edge::clone): Update.
 808         (duplicate_thunk_for_node): Update.
 809         (cgraph_node::create_clone): Update.
 810         * cgraphunit.c (cgraph_node::analyze): Update.
 811         (cgraph_node::expand_thunk): Update.
 812         * final.c (dump_basic_block_info): Update.
 813         * gimple-streamer-in.c (input_bb): Update.
 814         * gimple-streamer-out.c (output_bb): Update.
 815         * graphite.c (print_global_statistics): Update.
 816         (print_graphite_scop_statistics): Update.
 817         * hsa-brig.c: Include basic-block.h.
 818         * hsa-dump.c: Include basic-block.h.
 819         * hsa-gen.c (T sum_slice): Update.
 820         (convert_switch_statements):Update.
 821         * hsa-regalloc.c: Include basic-block.h.
 822         * ipa-chkp.c (chkp_produce_thunks): Update.
 823         * ipa-cp.c (struct caller_statistics): Update.
 824         (init_caller_stats): Update.
 825         (gather_caller_stats): Update.
 826         (ipcp_cloning_candidate_p): Update.
 827         (good_cloning_opportunity_p): Update.
 828         (get_info_about_necessary_edges): Update.
 829         (dump_profile_updates): Update.
 830         (update_profiling_info): Update.
 831         (update_specialized_profile): Update.
 832         (perhaps_add_new_callers): Update.
 833         (decide_about_value): Update.
 834         (ipa_cp_c_finalize): Update.
 835         * ipa-devirt.c (struct odr_type_warn_count): Update.
 836         (struct decl_warn_count): Update.
 837         (struct final_warning_record): Update.
 838         (possible_polymorphic_call_targets): Update.
 839         (ipa_devirt): Update.
 840         * ipa-fnsummary.c (redirect_to_unreachable): Update.
 841         * ipa-icf.c (sem_function::merge): Update.
 842         * ipa-inline-analysis.c (do_estimate_edge_time): Update.
 843         * ipa-inline.c (compute_uninlined_call_time): Update.
 844         (compute_inlined_call_time): Update.
 845         (want_inline_small_function_p): Update.
 846         (want_inline_self_recursive_call_p): Update.
 847         (edge_badness): Update.
 848         (lookup_recursive_calls): Update.
 849         (recursive_inlining): Update.
 850         (inline_small_functions): Update.
 851         (dump_overall_stats): Update.
 852         (dump_inline_stats): Update.
 853         * ipa-profile.c (ipa_profile_generate_summary): Update.
 854         (ipa_propagate_frequency): Update.
 855         (ipa_profile): Update.
 856         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
 857         * ipa-utils.c (ipa_merge_profiles): Update.
 858         * loop-doloop.c (doloop_modify): Update.
 859         * loop-unroll.c (report_unroll): Update.
 860         (unroll_loop_runtime_iterations): Update.
 861         * lto-cgraph.c (lto_output_edge): Update.
 862         (lto_output_node): Update.
 863         (input_node): Update.
 864         (input_edge): Update.
 865         (merge_profile_summaries): Update.
 866         * lto-streamer-in.c (input_cfg): Update.
 867         * lto-streamer-out.c (output_cfg): Update.
 868         * mcf.c (create_fixup_graph): Update.
 869         (adjust_cfg_counts): Update.
 870         (sum_edge_counts): Update.
 871         * modulo-sched.c (sms_schedule): Update.
 872         * postreload-gcse.c (eliminate_partially_redundant_load): Update.
 873         * predict.c (maybe_hot_count_p): Update.
 874         (probably_never_executed): Update.
 875         (dump_prediction): Update.
 876         (combine_predictions_for_bb): Update.
 877         (propagate_freq): Update.
 878         (handle_missing_profiles): Update.
 879         (counts_to_freqs): Update.
 880         (rebuild_frequencies): Update.
 881         (force_edge_cold): Update.
 882         * predict.h: Include profile-count.h
 883         (maybe_hot_count_p, counts_to_freqs): UPdate.
 884         * print-rtl-function.c: Do not include cfg.h
 885         * print-rtl.c: Include basic-block.h
 886         * profile-count.c: New file.
 887         * profile-count.h: New file.
 888         * profile.c (is_edge_inconsistent): Update.
 889         (correct_negative_edge_counts): Update.
 890         (is_inconsistent): Update.
 891         (set_bb_counts): Update.
 892         (read_profile_edge_counts): Update.
 893         (compute_frequency_overlap): Update.
 894         (compute_branch_probabilities): Update; Initialize and deinitialize
 895         gcov_count tables.
 896         (branch_prob): Update.
 897         * profile.h (bb_gcov_counts, edge_gcov_counts): New.
 898         (edge_gcov_count): New.
 899         (bb_gcov_count): New.
 900         * shrink-wrap.c (try_shrink_wrapping): Update.
 901         * tracer.c (better_p): Update.
 902         * trans-mem.c (expand_transaction): Update.
 903         (ipa_tm_insert_irr_call): Update.
 904         (ipa_tm_insert_gettmclone_call): Update.
 905         * tree-call-cdce.c: Update.
 906         * tree-cfg.c (gimple_duplicate_sese_region): Update.
 907         (gimple_duplicate_sese_tail): Update.
 908         (gimple_account_profile_record): Update.
 909         (execute_fixup_cfg): Update.
 910         * tree-inline.c (copy_bb): Update.
 911         (copy_edges_for_bb): Update.
 912         (initialize_cfun): Update.
 913         (freqs_to_counts): Update.
 914         (copy_cfg_body): Update.
 915         (expand_call_inline): Update.
 916         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
 917         * tree-ssa-loop-ivcanon.c (unloop_loops): Update.
 918         (try_unroll_loop_completely): Update.
 919         (try_peel_loop): Update.
 920         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
 921         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Update.
 922         * tree-ssa-loop-split.c (connect_loops): Update.
 923         * tree-ssa-loop-unswitch.c (hoist_guard): Update.
 924         * tree-ssa-reassoc.c (branch_fixup): Update.
 925         * tree-ssa-tail-merge.c (replace_block_by): Update.
 926         * tree-ssa-threadupdate.c (create_block_for_threading): Update.
 927         (compute_path_counts): Update.
 928         (update_profile): Update.
 929         (recompute_probabilities): Update.
 930         (update_joiner_offpath_counts): Update.
 931         (estimated_freqs_path): Update.
 932         (freqs_to_counts_path): Update.
 933         (clear_counts_path): Update.
 934         (ssa_fix_duplicate_block_edges): Update.
 935         (duplicate_thread_path): Update.
 936         * tree-switch-conversion.c (case_bit_test_cmp): Update.
 937         (struct switch_conv_info): Update.
 938         * tree-tailcall.c (decrease_profile): Update.
 939         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
 940         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
 941         * value-prof.c (check_counter): Update.
 942         (gimple_divmod_fixed_value): Update.
 943         (gimple_mod_pow2): Update.
 944         (gimple_mod_subtract): Update.
 945         (gimple_ic_transform): Update.
 946         (gimple_stringop_fixed_value): Update.
 947         * value-prof.h (gimple_ic): Update.
 948
 949 2017-06-02  Carl Love  <cel@us.ibm.com>
 950
 951         * config/rs6000/rs6000-c: Add support for built-in functions
 952         vector double vec_doublee (vector signed int);
 953         vector double vec_doublee (vector unsigned int);
 954         vector double vec_doublee (vector float);
 955         vector double vec_doubleh (vector signed int);
 956         vector double vec_doubleh (vector unsigned int);
 957         vector double vec_doubleh (vector float);
 958         vector double vec_doublel (vector signed int);
 959         vector double vec_doublel (vector unsigned int);
 960         vector double vec_doublel (vector float);
 961         vector double vec_doubleo (vector signed int);
 962         vector double vec_doubleo (vector unsigned int);
 963         vector double vec_doubleo (vector float);.
 964         * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
 965         DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
 966         UNS_DOUBLEL.
 967         * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
 968         unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
 969         unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
 970         VS_sxwsp.
 971         * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
 972         vec_doublel, vec_doubleh.
 973         * doc/extend.texi: Update the built-in documentation file for the
 974         new built-in functions.
 975
 976 2017-06-02  David Malcolm  <dmalcolm@redhat.com>
 977
 978         PR jit/80954
 979         * ipa-inline-analysis.c (free_growth_caches): Set
 980         edge_removal_hook_holder to NULL after removing it.
 981
 982 2017-06-02  Sudakshina Das  <sudi.das@arm.com>
 983
 984         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_SWP for
 985         comparision with zero.
 986
 987 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
 988         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
 989         for early expansion of vec_min and vec_max builtins.
 990         (builtin_function_type): Add min/max unsigned variants to those
 991         identified as having unsigned arguments.
 992
 993 2017-06-02  Olivier Hainque  <hainque@adacore.com>
 994
 995         * config/vx-common.h (DWARF_UNWIND_INFO): Switch #define to 1.
 996
 997 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 998
 999         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
1000         Use VALL_F16 iterator rather than VALL.
1001
1002 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1003
1004         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
1005         Emit CBNZ inside loop when doing a strong exchange and comparing
1006         against zero.  Generate the CC flags after the loop.
1007
1008 2017-06-02  David Edelsohn  <dje.gcc@gmail.com>
1009
1010         * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
1011         (dl_section_ref): New.
1012         (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
1013         On AIX, append an expression to subtract the size of the
1014         section length to dl_section_ref.
1015
1016 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
1017
1018         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
1019         for early expansion of vector absolute builtins.
1020
1021 2017-06-02  Richard Biener  <rguenther@suse.de>
1022
1023         * tree-vect-slp.c (vect_detect_hybrid_slp_2): Match up
1024         what we consider a relevant use stmt with vect_detect_hybrid_slp_stmts.
1025
1026 2017-06-02  Richard Biener  <rguenther@suse.de>
1027
1028         PR tree-optimization/80948
1029         * tree-tailcall.c (find_tail_calls): Track stmts to move in
1030         stmt order as well.
1031
1032 2017-06-02  Richard Biener  <rguenther@suse.de>
1033
1034         * tree-vect-loop.c (vect_analyze_loop_operations): Not relevant
1035         PHIs are ok.
1036         * tree-vect-stmts.c (process_use): Do not mark backedge defs
1037         for inductions as relevant.
1038
1039 2017-06-02  Richard Biener  <rguenther@suse.de>
1040
1041         * tree-vect-loop.c (get_initial_def_for_induction): Inline into ...
1042         (vectorizable_induction): ... this.  Remove dead code.
1043
1044 2017-06-02  Eric Botcazou  <ebotcazou@adacore.com>
1045
1046         * builtins. (expand_builtin_alloca): Remove second parameter and
1047         infer its value from the first parameter instead.
1048         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust call to above.
1049
1050 2017-06-02  Jakub Jelinek  <jakub@redhat.com>
1051
1052         PR rtl-optimization/80903
1053         * loop-doloop.c (add_test): Unshare sequence.
1054
1055 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1056
1057         * doc/invoke.texi: Document the -Wsizeof-pointer-div warning.
1058
1059 2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1060
1061         * config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers): Make
1062         static.
1063         (xlogue_layout::get_stack_space_used, xlogue_layout::s_instances,
1064         xlogue_layout::get_instance, logue_layout::xlogue_layout,
1065         sp_valid_at, fp_valid_at, choose_basereg): Formatting.
1066         (xlogue_layout::get_stub_rtx): Make static.
1067         (xlogue_layout::get_stub_name): Avoid const-cast, make static.
1068         (xlogue_layout::compute_stub_managed_regs): Rename to...
1069         (xlogue_layout::count_stub_managed_regs): ...this.
1070         (xlogue_layout::is_stub_managed_reg): New function.
1071         (xlogue_layout::m_stub_names): Rename to...
1072         (xlogue_layout::s_stub_names): ...this, make static.
1073         (xlogue_layout::STUB_INDEX_OFFSET, xlogue_layout::MIN_REGS,
1074         xlogue_layout::MAX_REGS, xlogue_layout::MAX_EXTRA_REGS,
1075         xlogue_layout::VARIANT_COUNT, xlogue_layout::STUB_NAME_MAX_LEN,
1076         xlogue_layout::s_stub_names): Instantiate statics.
1077         (stub_managed_regs): Remove.
1078         (ix86_save_reg): Use xlogue_layout::compute_stub_managed_regs.
1079         (disable_call_ms2sysv_xlogues): Rename to...
1080         (warn_once_call_ms2sysv_xlogues): ...this, and warn only once.
1081         (ix86_initial_elimination_offset, ix86_expand_call): Fix call_ms2sysv
1082         warning logic.
1083         (ix86_static_chain): Make sure that ix86_static_chain_on_stack can't
1084         change after reload_completed.
1085         (ix86_can_use_return_insn_p): Use the ix86_frame data structure
1086         directly.
1087         (ix86_expand_prologue): Likewise.
1088         (ix86_expand_epilogue): Likewise.
1089         (ix86_expand_split_stack_prologue): Likewise.
1090         (ix86_compute_frame_layout): Remove frame parameter ...
1091         (TARGET_COMPUTE_FRAME_LAYOUT): ... and export it as a target hook.
1092         (ix86_finalize_stack_realign_flags): Call ix86_compute_frame_layout
1093         only if necessary.
1094         (ix86_init_machine_status): Don't set use_fast_prologue_epilogue_nregs.
1095         (ix86_frame): Move from here ...
1096         * config/i386/i386.h (ix86_frame): ... to here.
1097         (machine_function): Remove use_fast_prologue_epilogue_nregs, cache the
1098         complete ix86_frame data structure instead.  Remove some_ld_name.
1099
1100 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
1101
1102         * dwarf2out.c (dwarf2out_late_global_decl): Add locations for
1103         symbols that hold a DECL_VALUE_EXPR.
1104
1105 2017-06-01  Martin Jambor  <mjambor@suse.cz>
1106
1107         PR tree-optimization/80898
1108         * tree-sra.c (process_subtree_disqualification): Removed.
1109         (disqualify_candidate): Do not acll
1110         process_subtree_disqualification.
1111         (subtree_mark_written_and_enqueue): New function.
1112         (propagate_all_subaccesses): Set grp_write of LHS subtree if the
1113         RHS has been disqualified and re-queue LHS if necessary.  Apart
1114         from that, ignore disqualified RHS.
1115
1116 2017-06-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1117
1118         * config/s390/s390.c (s390_emit_epilogue): Disable early return
1119         address fetch for z10 or later.
1120
1121 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1122
1123         * config/arc/arc.md (tst_movb): Add guard when splitting.
1124
1125 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1126
1127         * config/arc/arc.c (arc_can_eliminate): Test against
1128         arc_frame_pointer_needed.
1129
1130 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1131
1132         * config/arc/arc.c (arc_expand_prologue): Emit a special barrier
1133         to prevent store reordering.
1134         * config/arc/arc.md (UNSPEC_ARC_STKTIE): Define.
1135         (type): Add block type.
1136         (stack_tie): Define special instruction to be used in
1137         expand_prologue.
1138
1139 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1140
1141         * config/arc/arc.md (commutative_binary_comparison): Remove 'I'
1142         constraint. It is not valid for the pattern.
1143         (noncommutative_binary_comparison): Likewise.
1144
1145 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1146
1147         * config/arc/simdext.md (movv2hi_insn): Change predicate to avoid
1148         scaled addresses.
1149
1150 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1151
1152         * config/arc/arc.c (arc_conditional_register_usage): Allow r30 to
1153         be used by the reg-alloc.
1154
1155 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1156
1157         * config/arc/arc.md (mulsi3): Avoid use of hard registers before
1158         reg-alloc when having mul64 or mul32x16 instructions.
1159         (mulsidi3): Likewise.
1160         (umulsidi3): Likewise.
1161         (mulsi32x16): New pattern.
1162         (mulsi64): Likewise.
1163         (mulsidi64): Likewise.
1164         (umulsidi64): Likewise.
1165         (MUL32x16_REG): Define.
1166         (mul64_600): Use MUL32x16_REG.
1167         (mac64_600): Likewise.
1168         (umul64_600): Likewise.
1169         (umac64_600): Likewise.
1170
1171 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1172
1173         * config/arc/arc.md (mulsi3_700): Make it commutative.
1174
1175 2017-06-01  Jose E. Marchesi  <jose.marchesi@oracle.com>
1176
1177         * config/sparc/sparc.md (*zero_extendsidi2_insn_sp64): Set insn
1178         type for movstouw.
1179         (*sign_extendsidi2_insn): Likewise for movstosw.
1180
1181 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
1182
1183         * dwarf2out.c (get_discr_value): Call the get_debug_type hook on
1184         the type of the input discriminant value.  Convert the
1185         discriminant value of signedness vary.
1186
1187 2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>
1188
1189         * doc/invoke.texi (-Wcatch-value): Document new shortcut.
1190         Add to -Wall section.
1191
1192 2017-06-01  Richard Biener  <rguenther@suse.de>
1193
1194         PR middle-end/66313
1195         * fold-const.c (fold_plusminus_mult_expr): If the factored
1196         factor may be zero use a wrapping type for the inner operation.
1197         * tree-tailcall.c (independent_of_stmt_p): Pass in to_move bitmap
1198         and handle moved defs.
1199         (process_assignment): Properly guard the unary op case.  Return a
1200         tri-state indicating that moving the stmt before the call may allow
1201         to continue.  Pass through to_move.
1202         (find_tail_calls): Handle moving unrelated defs before
1203         the call.
1204
1205 2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
1206
1207         PR target/80618
1208         * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
1209         splitter result in the canonical way.
1210
1211 2017-05-31  Uros Bizjak  <ubizjak@gmail.com>
1212
1213         * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
1214         also for 32bit target.  Update insn attributes.
1215         (zero-extendsidi2 splitter): Allow all registers for operand 1.
1216
1217 2017-05-31  Sebastian Peryt  <sebastian.peryt@intel.com>
1218
1219         * config/i386/avx512fintrin.h (_mm_mask_max_sd)
1220         (_mm_maskz_max_sd, _mm_mask_max_ss, _mm_maskz_max_ss)
1221         (_mm_mask_min_sd, _mm_maskz_min_sd, _mm_mask_min_ss)
1222         (_mm_maskz_min_ss): New intrinsics.
1223
1224 2017-05-31  Martin Liska  <mliska@suse.cz>
1225
1226         * tree-vect-loop.c (vect_create_epilog_for_reduction):
1227         Change comment style to one we normally use.
1228         (vectorizable_reduction): Likewise.
1229         (vectorizable_induction): Likewise.
1230         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
1231         (vectorizable_call): Likewise.
1232         (vectorizable_simd_clone_call): Likewise.
1233         (vectorizable_conversion): Likewise.
1234         (vectorizable_assignment): Likewise.
1235         (vectorizable_shift): Likewise.
1236         (vectorizable_operation): Likewise.
1237         (vectorizable_store): Likewise.
1238         (vectorizable_load): Likewise.
1239         * tree-vectorizer.h: Likewise.
1240
1241 2017-05-31  Alexander Monakov  <amonakov@ispras.ru>
1242
1243         * passes.c (emergency_dump_function): New.
1244         * tree-pass.h (emergency_dump_function): Declare.
1245         * plugin.c (plugins_internal_error_function): Remove.
1246         * plugin.h (plugins_internal_error_function): Remove declaration.
1247         * toplev.c (internal_error_function): New static function.  Use it...
1248         (general_init): ...here.
1249
1250 2017-05-31  Graham Markall  <graham.markall@embecosm.com>
1251
1252         * config/arc/arc.c (arc_print_operand): Handle constant operands.
1253         (arc_rtx_costs): Add costs for new patterns.
1254         * config/arc/arc.md: Additional *add_n and *sub_n patterns.
1255         * config/arc/predicates.md: Add _1_2_3_operand predicate.
1256
1257 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
1258
1259         * tree-ssa-strlen.c (get_next_strinfo): New function.
1260         (get_stridx_plus_constant): Use it.
1261         (zero_length_string): Likewise.
1262         (adjust_related_strinfos): Likewise.
1263         (adjust_last_stmt): Likewise.
1264
1265 2017-05-31  Richard Biener  <rguenther@suse.de>
1266
1267         PR target/80880
1268         * config/i386/i386.c (ix86_expand_builtin): Remove assert
1269         for arg being an SSA name when expanding IX86_BUILTIN_BNDRET.
1270
1271 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
1272
1273         * tree-vect-data-refs.c (vect_find_same_alignment_drs): Remove
1274         loop_vinfo argument and use of dependence distance vectors.
1275         Check instead whether the two references differ only in their
1276         initial value and assume that they have the same alignment if the
1277         difference is a multiple of the vector alignment.
1278         (vect_analyze_data_refs_alignment): Update call accordingly.
1279
1280 2017-05-31  Martin Liska  <mliska@suse.cz>
1281
1282         PR target/79155
1283         * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.
1284
1285 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
1286
1287         * tree-vect-loop-manip.c (create_intersect_range_checks_index)
1288         (create_intersect_range_checks): Move from ...
1289         * tree-data-ref.c (create_intersect_range_checks_index)
1290         (create_intersect_range_checks): ... to here.
1291         (create_runtime_alias_checks): New function factored from ...
1292         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
1293         here.  Call above function.
1294         * tree-data-ref.h (create_runtime_alias_checks): New function.
1295
1296 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
1297
1298         * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
1299         segment length for dr_b and compute it in wide_int.
1300
1301 2017-05-31  Richard Biener  <rguenther@suse.de>
1302
1303         PR tree-optimization/80906
1304         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
1305         and pass through iv_map.
1306         (copy_bb_and_scalar_dependences): Adjust.
1307         (translate_pending_phi_nodes): Likewise.
1308         (copy_loop_close_phi_args): Handle code-generating IVs instead
1309         of ICEing.
1310
1311 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
1312
1313         * diagnostic-color.c (color_dict): Add "type-diff".
1314         (parse_gcc_colors): Update comment.
1315         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
1316         -fdiagnostics-show-template-tree and -fno-elide-type.
1317         (GCC_COLORS): Add type-diff to example.
1318         (type-diff=): New.
1319         (-fdiagnostics-show-template-tree): New.
1320         (-fno-elide-type): New.
1321         * pretty-print.c (pp_format): Pass quote and formatters[argno] to
1322         the pp_format_decoder callback.  Call any m_format_postprocessor's
1323         "handle" method.
1324         (pretty_printer::pretty_printer): Initialize
1325         m_format_postprocessor.
1326         (pretty_printer::~pretty_printer): Delete any
1327         m_format_postprocessor.
1328         * pretty-print.h (printer_fn): Add bool and const char ** parameters.
1329         (class format_postprocessor): New class.
1330         (struct pretty_printer::format_decoder): Document the new parameters.
1331         (struct pretty_printer::m_format_postprocessor): New field.
1332         * tree-diagnostic.c (default_tree_printer): Update for new
1333         bool and const char ** params.
1334         * tree-diagnostic.h (default_tree_printer): Likewise.
1335
1336 2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>
1337
1338         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
1339         (lwa_operand): Delete rs6000_gen_cell_microcode test.
1340         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
1341         rs6000_gen_cell_microcode code.
1342         (rs6000_final_prescan_insn): Delete.
1343         (rs6000_opt_vars): Delete the "gen-cell-microcode" and
1344         "warn-cell-microcode" entries.
1345         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
1346         * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
1347         throughout.  Change cc_reg_not_micro_cr0_operand to
1348         cc_reg_not_cr0_operand throughout.
1349         (*extendhi<mode>2_noload): Delete.
1350         * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
1351         (mwarn-cell-microcode): Delete.
1352         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
1353         -mgen-cell-microcode and -mwarn-cell-microcode.
1354
1355 2017-05-30  Uros Bizjak  <ubizjak@gmail.com>
1356
1357         PR target/80833
1358         * config/i386/constraints.md (Yd): New constraint.
1359         (Ye): Ditto.
1360         * config/i386/i386.md (*movti_internal): Add (?r, Ye)
1361         and (?Yd, r) alternatives.  Update insn attributes.
1362         * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
1363         and (?*Yd, r) alternatives.  Update insn attributes.
1364         (double-mode inter-unit splitters): Add new GR<->XMM splitters.
1365
1366 2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>
1367
1368         * gimplify.c (gimplify_modify_expr): Don't create a
1369         DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
1370         function.
1371
1372 2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
1373
1374         * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.
1375
1376 2017-05-30  Richard Biener  <rguenther@suse.de>
1377
1378         * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
1379         and reduc_def fields.
1380         (STMT_VINFO_REDUC_TYPE): New define.
1381         (STMT_VINFO_REDUC_DEF): Likewise.
1382         (vect_force_simple_reduction): Adjust prototype.
1383         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
1384         (vect_is_simple_reduction): Remove check_reduction argument.
1385         (vect_force_simple_reduction): Adjust and set
1386         STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
1387         (vectorizable_reduction): Do not re-do reduction analysis
1388         but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
1389         * tree-parloops.c (gather_scalar_reductions): Adjust.
1390
1391 2017-05-30  Richard Biener  <rguenther@suse.de>
1392
1393         PR middle-end/80901
1394         * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
1395         split_edge code.
1396
1397 2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1398
1399         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
1400         Introduce unknown_misalignment parameter and remove vf.
1401         (vect_peeling_hash_get_lowest_cost):
1402         Pass unknown_misalignment parameter.
1403         (vect_enhance_data_refs_alignment):
1404         Fix unsupportable data ref treatment.
1405
1406 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1407
1408         * tree-vect-data-refs.c (vect_get_data_access_cost):
1409         Workaround for SLP handling.
1410         (vect_enhance_data_refs_alignment):
1411         Compute costs for doing no peeling at all, compare to the best
1412         peeling costs so far and avoid peeling if cheaper.
1413
1414 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1415
1416         * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
1417         Return peeling info and set costs to zero for unlimited cost
1418         model.
1419         (vect_enhance_data_refs_alignment): Also inspect all datarefs
1420         with unknown misalignment. Compute and costs for unknown
1421         misalignment, compare them to the costs for known misalignment
1422         and choose the cheapest for peeling.
1423
1424 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1425
1426         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
1427         (vect_get_peeling_costs_all_drs): Create function.
1428         (vect_peeling_hash_get_lowest_cost):
1429         Use vect_get_peeling_costs_all_drs.
1430         (vect_peeling_supportable): Create function.
1431         (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.
1432
1433 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1434
1435         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
1436         DR_HAS_NEGATIVE_STEP.
1437         (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
1438         (vect_enhance_data_refs_alignment): Use.
1439         (vect_duplicate_ssa_name_ptr_info): Use.
1440         * tree-vectorizer.h (dr_misalignment): Use.
1441         (known_alignment_for_access_p): Use.
1442
1443 2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
1444
1445         PR target/78838
1446         * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
1447         .lowtext.
1448         (has_section_name): New function.
1449
1450 2017-05-30  Martin Liska  <mliska@suse.cz>
1451
1452         PR other/80909
1453         * auto-profile.c (get_function_decl_from_block): Fix
1454         parenthesis.
1455
1456 2017-05-30  Richard Biener  <rguenther@suse.de>
1457
1458         PR middle-end/80876
1459         * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.
1460
1461 2017-05-30  Martin Liska  <mliska@suse.cz>
1462
1463         * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
1464         * dumpfile.h (struct dump_file_info): Remove ctors.
1465
1466 2017-05-30  Martin Liska  <mliska@suse.cz>
1467
1468         * predict.def: Fix GNU coding style.
1469
1470 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
1471
1472         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
1473         Mark 'to' argument with ATTRIBUTE_UNUSED.
1474
1475 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
1476
1477         * config/xtensa/xtensa.c (xtensa_emit_call): Use
1478         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
1479         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
1480         format string.
1481
1482 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
1483
1484         * doc/install.texi (Options specification): Restore entry of
1485         --enable-sjlj-exceptions.
1486
1487 2017-05-27  Michael Eager  <eager@eagercon.com>
1488
1489         Revert:
1490         2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
1491
1492         See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
1493
1494         * config/microblaze/microblaze.h
1495         (FIXED_REGISTERS): Update in macro.
1496         (CALL_USED_REGISTERS): Update in macro.
1497
1498 2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>
1499
1500         * doc/install.texi: Add links to macOS binary distributions.
1501
1502 2017-05-27  Jakub Jelinek  <jakub@redhat.com>
1503
1504         PR bootstrap/80887
1505         Revert:
1506         2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
1507
1508         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
1509
1510 2017-05-26  Martin Liska  <mliska@suse.cz>
1511
1512         * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.
1513
1514 2017-05-26  Martin Liska  <mliska@suse.cz>
1515
1516         * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
1517         always leading ';; '.
1518         (dump_bb_info): Likewise.
1519         (brief_dump_cfg): Likewise.
1520         * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
1521         * dumpfile.c: Remove usage of TDF_VERBOSE.
1522         * dumpfile.h (enum dump_kind): Likewise.
1523         (dump_gimple_bb_header): Do not use TDF_COMMENT.
1524         * print-tree.c (debug_verbose): Remove.
1525         * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
1526         (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
1527         * tree-diagnostic.c (default_tree_printer): Replace
1528         TDF_DIAGNOSTIC with TDF_SLIM.
1529
1530 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
1531
1532         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
1533         in parameter loop, rather than loop_vinfo.
1534         (create_intersect_range_checks): Ditto.
1535         (vect_create_cond_for_alias_checks): Update call to above functions.
1536
1537 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
1538
1539         PR tree-optimization/80815
1540         * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
1541         for merging runtime alias checks.  Handle negative DR_STEPs.
1542
1543 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
1544
1545         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
1546         Move from ...
1547         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
1548         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
1549         out code pruning runtime alias checks.
1550         * tree-data-ref.c (prune_runtime_alias_test_list): New function
1551         factored out from above.
1552         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
1553         Move from ...
1554         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
1555         ... to here.
1556         (prune_runtime_alias_test_list): New decalaration.
1557
1558 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
1559
1560         * tree-vect-data-refs.c (compare_tree): Rename and move ...
1561         * tree-data-ref.c (data_ref_compare_tree): ... to here.
1562         * tree-data-ref.h (data_ref_compare_tree): New decalaration.
1563         * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
1564         (operator==, comp_dr_with_seg_len_pair): Ditto.
1565         (vect_prune_runtime_alias_test_list): Ditto.
1566
1567 2017-05-26  Martin Liska  <mliska@suse.cz>
1568
1569         PR ipa/80663
1570         * params.def: Bound partial-inlining-entry-probability param.
1571
1572 2017-05-26  Marek Polacek  <polacek@redhat.com>
1573
1574         PR sanitizer/80875
1575         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
1576         can be negated.
1577
1578 2017-05-26  Richard Biener  <rguenther@suse.de>
1579
1580         PR tree-optimization/80842
1581         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
1582         value.
1583
1584 2017-05-26  Richard Biener  <rguenther@suse.de>
1585
1586         PR tree-optimization/80844
1587         * tree-vectorizer.c (adjust_simduid_builtins): Propagate results.
1588
1589 2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>
1590
1591         * doc/md.texi (Machine Constraints): Update x86 family
1592         machine constraints section to match 'config/i386/constraints.md'.
1593
1594 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
1595
1596         * doc/invoke.texi (-Wcatch-value=): Document new warning option.
1597
1598 2017-05-25  Nathan Sidwell  <nathan@acm.org>
1599
1600         * doc/invoke.texi (--enable-languages): Update documentation.
1601
1602 2017-05-25  Martin Liska  <mliska@suse.cz>
1603
1604         * dumpfile.c: Add TDF_FOLDING.
1605         * dumpfile.h (enum dump_kind): Likewise.
1606         * genmatch.c (dt_simplify::gen_1): Use it.
1607
1608 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
1609
1610         * match.pd (view_convert (convert@0 @1)): Handle zero-extension.
1611
1612 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
1613
1614         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
1615         * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.
1616
1617 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
1618
1619         * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
1620         * match.pd (X == C): Rewrite it here.
1621         (with_possible_nonzero_bits, with_possible_nonzero_bits2,
1622         with_certain_nonzero_bits2): New predicates.
1623         * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.
1624
1625 2017-05-24  Nathan Sidwell  <nathan@acm.org>
1626
1627         * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
1628         avoid warning.
1629
1630         * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
1631         warning.
1632
1633 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
1634
1635         * config/powerpcspe: New port.  Files are copied from the rs6000
1636         port, with "rs6000" in filenames replaced by "powerpcspe".
1637
1638 2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
1639
1640         PR rtl-optimization/80754
1641         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
1642
1643 2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
1644
1645         * config/sparc/sparc.md (length): Return the correct value for -mflat
1646         sibcalls to match output_sibcall.
1647
1648 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
1649
1650         PR bootstrap/80860
1651         PR bootstrap/80843
1652         * config/rs6000/rs6000.c (struct machine_function): Add new field
1653         n_components.
1654         (rs6000_get_separate_components): Init that field, use it.
1655         (rs6000_components_for_bb): Use the field.
1656
1657 2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1658
1659         * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.
1660
1661 2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>
1662
1663         PR middle-end/80823
1664         * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
1665
1666 2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1667
1668         PR target/80725
1669         * config/s390/s390.c (s390_check_qrst_address): Check incoming
1670         address against address_operand predicate.
1671         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
1672
1673 2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>
1674
1675         * var-tracking.c (track_expr_p): Do not return 0 for tracked record
1676         parameters passed indirectly.
1677
1678 2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
1679
1680         * config/i386/i386.md (*movdi_internal): Remove SSE4
1681         alternative 18 (?r, *v).  Update insn attributes.
1682         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
1683         Update insn attributes.
1684         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
1685         Update insn attributes.
1686         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
1687         alternative 1 (r, v). Remove isa attribute.
1688         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
1689         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
1690         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
1691
1692 2017-05-23  Tom de Vries  <tom@codesourcery.com>
1693
1694         * doc/sourcebuild.texi (Directives, Verify compiler message): Document
1695         dg-line directive.
1696
1697 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
1698
1699         * cgraphunit.c (symbol_table::process_new_functions): Update.
1700         * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
1701         (inline_generate_summary): Rename to ...
1702         (ipa_fn_summary_generate): ... this one.
1703         (inline_read_summary): Rename to ...
1704         (ipa_fn_summary_read): ... this one.
1705         (inline_write_summary): Rename to ...
1706         (ipa_fn_summary_write): ... this one.
1707         (inline_free_summary): Rename to ...
1708         (ipa_free_fn_summary): ... this one.
1709         (pass_data_local_fn_summary, pass_local_fn_summary,
1710         make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
1711         pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
1712         pass_data_ipa_fn_summary, pass_ipa_fn_summary,
1713         make_pass_ipa_fn_summary): New.
1714         * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
1715         inline_write_summary, inline_free_summary): Remove.
1716         (ipa_free_fn_summary) : New.
1717         * ipa-inline.c (ipa_inline): Update.
1718         (pass_ipa_inline): Do not generate summaries.
1719         * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
1720         Remove.
1721         * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
1722         and add pass_ipa_fn_summary.
1723         * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
1724         New.
1725         (make_pass_inline_parameters): Remove.
1726
1727 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
1728
1729         * omp-low.c (struct omp_context): Remove "default_kind" member.
1730         Adjust all users.
1731
1732         * omp-offload.c (execute_oacc_device_lower): Remove the
1733         parallelism dimensions function attributes for unparallelized
1734         OpenACC kernels constructs.
1735
1736 2017-05-23  Martin Liska  <mliska@suse.cz>
1737
1738         * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
1739         functions.
1740         (cgraph_edge::make_speculative): Likewise.
1741         (cgraph_edge::resolve_speculation): Likewise.
1742         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
1743         (cgraph_node::dump): Likewise.
1744         * cgraph.h: Likewise.
1745         * cgraphunit.c (analyze_functions): Likewise.
1746         (symbol_table::compile): Likewise.
1747         * ipa-cp.c (print_all_lattices): Likewise.
1748         (determine_versionability): Likewise.
1749         (initialize_node_lattices): Likewise.
1750         (ipcp_verify_propagated_values): Likewise.
1751         (estimate_local_effects): Likewise.
1752         (update_profiling_info): Likewise.
1753         (create_specialized_node): Likewise.
1754         (perhaps_add_new_callers): Likewise.
1755         (decide_about_value): Likewise.
1756         (decide_whether_version_node): Likewise.
1757         (identify_dead_nodes): Likewise.
1758         (ipcp_store_bits_results): Likewise.
1759         * ipa-devirt.c (dump_targets): Likewise.
1760         (ipa_devirt): Likewise.
1761         * ipa-icf.c (sem_item::dump): Likewise.
1762         (sem_function::equals): Likewise.
1763         (sem_variable::equals): Likewise.
1764         (sem_item_optimizer::read_section): Likewise.
1765         (sem_item_optimizer::execute): Likewise.
1766         (congruence_class::dump): Likewise.
1767         * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
1768         (dump_inline_summary): Likewise.
1769         (estimate_node_size_and_time): Likewise.
1770         (inline_analyze_function): Likewise.
1771         * ipa-inline-transform.c (inline_call): Likewise.
1772         * ipa-inline.c (report_inline_failed_reason): Likewise.
1773         (want_early_inline_function_p): Likewise.
1774         (edge_badness): Likewise.
1775         (update_edge_key): Likewise.
1776         (inline_small_functions): Likewise.
1777         * ipa-profile.c (ipa_profile): Likewise.
1778         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1779         (ipa_make_edge_direct_to_target): Likewise.
1780         (remove_described_reference): Likewise.
1781         (ipa_impossible_devirt_target): Likewise.
1782         (propagate_controlled_uses): Likewise.
1783         (ipa_print_node_params): Likewise.
1784         (ipcp_transform_function): Likewise.
1785         * ipa-pure-const.c (pure_const_read_summary): Likewise.
1786         (propagate_pure_const): Likewise.
1787         * ipa-reference.c (generate_summary): Likewise.
1788         (read_write_all_from_decl): Likewise.
1789         (propagate): Likewise.
1790         (ipa_reference_read_optimization_summary): Likewise.
1791         * ipa-utils.c (ipa_merge_profiles): Likewise.
1792         * ipa.c (walk_polymorphic_call_targets): Likewise.
1793         (symbol_table::remove_unreachable_nodes): Likewise.
1794         (ipa_single_use): Likewise.
1795         * passes.c (execute_todo): Likewise.
1796         * predict.c (drop_profile): Likewise.
1797         * symtab.c (symtab_node::get_dump_name): New function.
1798         (symtab_node::dump_name): Likewise.
1799         (symtab_node::dump_asm_name): Likewise.
1800         (symtab_node::dump_references): Likewise.
1801         (symtab_node::dump_referring): Likewise.
1802         (symtab_node::dump_base): Likewise.
1803         (symtab_node::debug_symtab): Likewise.
1804         * tree-sra.c (convert_callers_for_node): Likewise.
1805         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
1806         * value-prof.c (init_node_map): Likewise.
1807
1808 2017-05-23  Martin Liska  <mliska@suse.cz>
1809
1810         * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
1811         and symtab_node::debug_symtab to symbol_table::debug.
1812         * cgraphunit.c (analyze_functions): Use the renamed function.
1813         (symbol_table::compile): Likewise.
1814         * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
1815         * ipa-icf.c (sem_item_optimizer::execute): Likewise.
1816         * passes.c (execute_todo): Likewise.
1817         * symtab.c (symbol_table::dump): New function.
1818         * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.
1819
1820 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
1821
1822         * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
1823         that nonconst implies exec.
1824
1825 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
1826
1827         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
1828         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
1829         (inline_edge_summary_vec): Turn into ...
1830         (ipa_call_summaries): ... this one.
1831         (redirect_to_unreachable, edge_set_predicate,
1832         evaluate_properties_for_edge, inline_summary_alloc,
1833         reset_ipa_call_summary, reset_inline_summary,
1834         inline_summary_t::duplicate): Update.
1835         (inline_edge_duplication_hook): Turn to ...
1836         (ipa_call_summary_t::duplicate): ... this one.
1837         (inline_edge_removal_hook): Turn to ...
1838         (ipa_call_summary_t::remove): ... this one.
1839         (dump_inline_edge_summary): Turn to ...
1840         (dump_ipa_call_summary): ... this one.
1841         (estimate_function_body_sizes): Update.
1842         (inline_update_callee_summaries): Update.
1843         (remap_edge_change_prob): Update.
1844         (remap_edge_summaries): Update.
1845         (inline_merge_summary): Update.
1846         (do_estimate_edge_time): Update.
1847         (inline_generate_summary): Update.
1848         (inline_read_section): Update.
1849         (inline_read_summary): Update.
1850         (inline_free_summary): Update.
1851         * ipa-inline.c (can_inline_edge_p): Update.
1852         (compute_inlined_call_time): Update.
1853         (want_inline_small_function_p): Update.
1854         (edge_badness): Update.
1855         (early_inliner): Update.
1856         * ipa-inline.h (inline_edge_summary): Turn to ...
1857         (ipa_call_summary): ... this one.
1858         (ipa_call_summary_t): New class.
1859         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
1860         (ipa_call_summaries): New.
1861         (inline_edge_summary): Remove.
1862         (estimate_edge_growth): Update.
1863         * ipa-profile.c (ipa_propagate_frequency_1): Update.
1864         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
1865         * ipa-split.c (execute_split_functions): Update.
1866         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
1867
1868 2017-05-23  Tom de Vries  <tom@codesourcery.com>
1869
1870         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
1871         attributes): Document rdrand effective target.
1872
1873 2017-05-23  Tom de Vries  <tom@codesourcery.com>
1874
1875         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
1876         attributes): Sort alphabetically.
1877
1878 2017-05-23  Georg-Johann Lay  <avr@gjlay.de>
1879
1880         * config/avr/genmultilib.awk: Use gsub instead of gensub.
1881
1882 2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
1883
1884         PR target/80718
1885         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
1886         V2DF/V2DI splat into two separate patterns, one that handles
1887         registers, and the other that only handles memory.  Drop support
1888         for splatting from a GPR on ISA 2.07 and then splitting the
1889         splat into direct move and splat.
1890         (vsx_splat_<mode>_reg): Likewise.
1891         (vsx_splat_<mode>_mem): Likewise.
1892
1893 2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>
1894
1895         * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.
1896
1897 2017-05-22  Jakub Jelinek  <jakub@redhat.com>
1898
1899         PR middle-end/80809
1900         * omp-low.c (finish_taskreg_remap): New function.
1901         (finish_taskreg_scan): If unit size of ctx->record_type
1902         is non-constant, unshare the size expression and replace
1903         decls in it with possible outer var refs.
1904
1905         PR middle-end/80809
1906         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
1907         GOVD_SHARED rather than GOVD_PRIVATE with it.
1908         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
1909         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
1910
1911         PR middle-end/80853
1912         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
1913         as last argument to build_outer_var_ref for pointer bases of array
1914         section reductions.
1915
1916 2017-05-19  Martin Sebor  <msebor@redhat.com>
1917
1918         * print-tree.c (print_node): Print DECL_READ_P flag.
1919
1920 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
1921
1922         * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
1923         * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
1924         * cgraph.c: Likewise.
1925         * cgraphunit.c: Likewise.
1926         * gengtype.c: Likewise.
1927         * ipa-cp.c: Likewise.
1928         * ipa-devirt.c: Likewise.
1929         * ipa-icf.c: Likewise.
1930         * ipa-predicate.c: Likewise.
1931         * ipa-profile.c: Likewise.
1932         * ipa-prop.c: Likewise.
1933         * ipa-split.c: Likewise.
1934         * ipa.c: Likewise.
1935         * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
1936         edge_predicate_pool, dump_inline_hints,
1937         inline_summary::account_size_time, redirect_to_unreachable,
1938         edge_set_predicate, set_hint_predicate,
1939         evaluate_conditions_for_known_args, evaluate_properties_for_edge,
1940         inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
1941         inline_summary_t::remove, remap_hint_predicate_after_duplication,
1942         inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
1943         ipa_call_summary_t::remove, initialize_growth_caches,
1944         free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
1945         debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
1946         mark_modified, unmodified_parm_1, unmodified_parm,
1947         unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
1948         set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
1949         compute_bb_predicates, will_be_nonconstant_expr_predicate,
1950         will_be_nonconstant_predicate, record_modified_bb_info,
1951         get_minimal_bb, record_modified, param_change_prob,
1952         phi_result_unknown_predicate, predicate_for_phi_result,
1953         array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
1954         estimate_function_body_sizes, compute_inline_parameters,
1955         compute_inline_parameters_for_curren, pass_data_inline_parameters,
1956         estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
1957         inline_update_callee_summaries, remap_edge_change_prob,
1958         remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
1959         inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
1960         inline_analyze_function, inline_summary_t::insert,
1961         inline_generate_summary, read_ipa_call_summary, inline_read_section,
1962         inline_read_summary, write_ipa_call_summary, inline_write_summary,
1963         inline_free_summary): Move to ipa-fnsummary.h
1964         (predicate_t): Remove.
1965         * ipa-fnsummary.c: New file.
1966         * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
1967         (enum inline_hints_vals, inline_hints, agg_position_info,
1968         INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
1969         inline_summaries, ipa_call_summary, ipa_call_summary_t,
1970         ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
1971         dump_inline_summary, dump_inline_hints, inline_generate_summary,
1972         inline_read_summary, inline_write_summary, inline_free_summary,
1973         inline_analyze_function, initialize_inline_failed,
1974         inline_merge_summary, inline_update_overall_summary,
1975         compute_inline_parameters): Move to ipa-fnsummary.h
1976         * ipa-fnsummary.h: New file.
1977         * ipa-inline-transform.h: Include ipa-inline.h.
1978         * ipa-inline.c: LIkewise.
1979
1980 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
1981
1982         * ipa-inline.c (edge_badness): Use inlined_time instead of
1983         inline_summaries->get.
1984
1985 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
1986
1987         * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.
1988
1989 2017-05-22  Nathan Sidwell  <nathan@acm.org>
1990
1991         * doc/invoke.texi (fdump-translation-unit): Delete documentation.
1992         (fdump-lang): Document 'raw' option.
1993         * dumpfile.h (TDI_tu): Delete.
1994         * dumpfile.c (dump_files): Remove translation-unit.
1995         (FIRST_AUTO_NUMBERED_DUMP): Decrement.
1996
1997 2017-05-22  Georg-Johann Lay  <avr@gjlay.de>
1998
1999         * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
2000         command option from $(AWK) call.
2001         * config/avr/genmultilib.awk: Simplify and rewrite so that it
2002         generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
2003         [FORMAT]: Remove handling of variable.
2004         * config/avr/t-multilib: Regenerate.
2005
2006 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
2007
2008         * ipa-inline-analysis.c (inline_summary::reset): Do not reset
2009         self_time.
2010         (dump_inline_summary): Do not print self_time.
2011         (estimate_function_body_sizes): Do not set self_time.
2012         (compute_inline_parameters): Likewise.
2013         (inline_read_section, inline_write_summary): Do not stream self_time.
2014         * ipa-inline.h (inline_summary): Drop self_time.
2015
2016 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
2017
2018         * ipa-inline-analysis.c (account_size_time): Rename to ...
2019         (inline_summary::account_size_time): ... this one.
2020         (reset_ipa_call_summary): Turn to ...
2021         (ipa_call_summary::reset): ... this one.
2022         (reset_inline_summary): Turn to ...
2023         (inline_summary::reset): ... this one.
2024         (inline_summary_t::remove): Update.
2025         (inline_summary_t::duplicate): Update.
2026         (ipa_call_summary_t::remove): Update.
2027         (dump_inline_summary): Update.
2028         (estimate_function_body_sizes): Update.
2029         (compute_inline_parameters): Update.
2030         (estimate_node_size_and_time): Update.
2031         (inline_merge_summary): Update.
2032         (inline_update_overall_summary): Update.
2033         (inline_read_section): Update.
2034         (inline_write_summary): Update.
2035         * ipa-inline.h (inline_summary): Rename entry to size_time_table;
2036         add account_size_time and reset member functions.
2037         (ipa_call_summary): Add reset function.
2038         * ipa-predicate.h (predicate::operator &): Constify.
2039
2040 2017-05-22  Richard Biener  <rguenther@suse.de>
2041
2042         * df-scan.c (df_insn_refs_verify): Speedup when not verifying.
2043
2044 2017-05-19  Jason Merrill  <jason@redhat.com>
2045
2046         * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.
2047
2048 2017-05-19  Marek Polacek  <polacek@redhat.com>
2049
2050         PR sanitizer/80800
2051         * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
2052         TYPE_OVERFLOW_WRAPS checks.
2053
2054 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
2055
2056         * tree-core.h (enum omp_clause_default_kind): Add
2057         "OMP_CLAUSE_DEFAULT_PRESENT".
2058         * tree-pretty-print.c (dump_omp_clause): Handle it.
2059         * gimplify.c (enum gimplify_omp_var_data): Add
2060         "GOVD_MAP_FORCE_PRESENT".
2061         (gimplify_adjust_omp_clauses_1): Map it to
2062         "GOMP_MAP_FORCE_PRESENT".
2063         (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".
2064
2065         * gimplify.c (oacc_default_clause): Clarify.
2066
2067 2017-05-19  Nathan Sidwell  <nathan@acm.org>
2068
2069         LANG_HOOK_REGISTER_DUMPS
2070         * toplev.c (general_init): Call register dump lang hook.
2071         * doc/invoke.texi: Document -fdump-lang option family.
2072         * dumpfile.c (dump_files): Remove class dump here.
2073         (FIRST_AUTO_NUMBERED_DUMP): Adjust.
2074         * dumpfile.h (tree_dump_index): Remove TDI_class.
2075         * langhooks-def.h (lhd_register_dumps): Declare.
2076         (LANG_HOOKS_REGISTER_DUMPS): Define.
2077         (LANG_HOOKS_INITIALIZER): Add it.
2078         * langhooks.c (lhd_register_dumps): Define.
2079         * langhooks.h (struct lang_hooks): Add register_dumps.
2080
2081 2017-05-19  Nathan Sidwell  <nathan@acm.org>
2082
2083         * context.h (context::set_passes): New.
2084         * context.c (context::context): Do not create pass manager.
2085         * toplev.c (general_init): Create pass manager here.
2086
2087 2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2088
2089         * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
2090         use this splitter if two add or or instructions would also work for
2091         the constant we want to generate.
2092
2093 2017-05-19  Richard Biener  <rguenther@suse.de>
2094
2095         PR build/80821
2096         * genmatch.c (dt_node::gen_kids_1): Add missing scope around
2097         predicate evaluation.
2098
2099 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
2100
2101         * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
2102         add ctor.
2103         * ipa-inline.c (want_inline_small_function_p): Do not cast to
2104         unsigned.
2105
2106 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
2107
2108         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
2109         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
2110         (inline_edge_summary_vec): Turn into ...
2111         (ipa_call_summaries): ... this one.
2112         (redirect_to_unreachable, edge_set_predicate,
2113         evaluate_properties_for_edge, inline_summary_alloc,
2114         reset_ipa_call_summary, reset_inline_summary,
2115         inline_summary_t::duplicate): Update.
2116         (inline_edge_duplication_hook): Turn to ...
2117         (ipa_call_summary_t::duplicate): ... this one.
2118         (inline_edge_removal_hook): Turn to ...
2119         (ipa_call_summary_t::remove): ... this one.
2120         (dump_inline_edge_summary): Turn to ...
2121         (dump_ipa_call_summary): ... this one.
2122         (estimate_function_body_sizes): Update.
2123         (inline_update_callee_summaries): Update.
2124         (remap_edge_change_prob): Update.
2125         (remap_edge_summaries): Update.
2126         (inline_merge_summary): Update.
2127         (do_estimate_edge_time): Update.
2128         (inline_generate_summary): Update.
2129         (inline_read_section): Update.
2130         (inline_read_summary): Update.
2131         (inline_free_summary): Update.
2132         * ipa-inline.c (can_inline_edge_p): Update.
2133         (compute_inlined_call_time): Update.
2134         (want_inline_small_function_p): Update.
2135         (edge_badness): Update.
2136         (early_inliner): Update.
2137         * ipa-inline.h (inline_edge_summary): Turn to ...
2138         (ipa_call_summary): ... this one.
2139         (ipa_call_summary_t): New class.
2140         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
2141         (ipa_call_summaries): New.
2142         (inline_edge_summary): Remove.
2143         (estimate_edge_growth): Update.
2144         * ipa-profile.c (ipa_propagate_frequency_1): Update.
2145         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
2146         * ipa-split.c (execute_split_functions): Update.
2147         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
2148
2149 2017-05-19  Richard Biener  <rguenther@suse.de>
2150
2151         PR middle-end/80764
2152         * cfgexpand.c (expand_gimple_cond): Fix loop fixup.
2153
2154 2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
2155
2156         * config/rs6000/rs6000.c (struct machine_function): Add field
2157         fpr_is_wrapped_separately.
2158         (rs6000_get_separate_components): Use 64 components.  Handle the
2159         new FPR components.
2160         (rs6000_components_for_bb): Handle the FPR components.
2161         (rs6000_emit_prologue_components): Handle the FPR components.
2162         (rs6000_emit_epilogue_components): Handle the FPR components.
2163         (rs6000_set_handled_components): Handle the FPR components.
2164         (rs6000_emit_prologue): Don't output prologue code for those FPRs
2165         that are already separately shrink-wrapped.
2166         (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
2167         that are already separately shrink-wrapped.
2168
2169 2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
2170
2171         PR target/80510
2172         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
2173         New predicate.
2174
2175         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
2176         (define_peephole2 for Altivec d-form load): Add peepholes to catch
2177         cases where the register allocator uses a move and an offsettable
2178         memory operation to/from a FPR register on ISA 2.06/2.07.
2179         (define_peephole2 for Altivec d-form store): Likewise.
2180
2181 2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
2182
2183         PR target/80799
2184         * config/i386/mmx.md (*mov<mode>_internal): Enable
2185         alternatives 11, 12, 13 and 14 also for 32bit targets.
2186         Remove alternatives 15, 16, 17 and 18.
2187         * config/i386/sse.md (vec_concatv2di): Change
2188         alternative (!x, *y) to (x, ?!*Yn).
2189
2190 2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
2191
2192         * dumpfile.h (enum dump_kind): Remove stray comma.
2193
2194 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
2195
2196         * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
2197         * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
2198         predicate::num_conditions
2199         (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
2200         (CHANGED): turn into predicate::changed.
2201         (agg_position_info): Move to ipa-predicate.h
2202         (add_condition, predicate::add_clause, predicate::operator &=,
2203         predicate::or_with, predicate::evaluate, predicate::probability,
2204         dump_condition, dump_clause, predicate::dump,
2205         predicate::remap_after_duplication, predicate::remap_after_inlining,
2206         predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
2207         (evaluate_conditions_for_known_args): Update.
2208         (set_cond_stmt_execution_predicate): Update.
2209         * ipa-inline.h: Include ipa-predicate.h
2210         (condition, inline_param_summary, conditions, agg_position_info,
2211         predicate): Move to ipa-predicate.h
2212         * ipa-predicate.c: New file.
2213         * ipa-predicate.h: New file.
2214
2215 2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>
2216
2217         * final.c (leaf_function_p): Check we are not in a sequence.
2218
2219 2017-05-18  Martin Liska  <mliska@suse.cz>
2220
2221         * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
2222         * dumpfile.c (dump_register): Use new enum dump_kind.
2223         (get_dump_file_name): Likewise.
2224         (dump_enable_all): Likewise.
2225         (dump_switch_p_1): Likewise.
2226         (enable_rtl_dump_file): Remove usage of TDF_RTL.
2227         * dumpfile.h (enum dump_kind): New enum type.
2228         (struct dump_file_info): Create constructor and
2229         format fields and comments.
2230         * passes.c (pass_manager::register_one_dump_file):
2231         Use num dump_kind.
2232         * statistics.c (statistics_early_init): Likewise.
2233         * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
2234         TDF_TREE with TDF_SLIM.
2235         (gather_memory_references_ref): Likewise.
2236
2237 2017-05-18  Martin Liska  <mliska@suse.cz>
2238
2239         * vec.h (struct vnull): Use it.
2240
2241 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
2242
2243         * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
2244         (true_predicate, false_predicate, true_predicate_p,
2245         false_predicate_p): Remove.
2246         (single_cond_predicate, not_inlined_predicate): Turn to member function
2247         in ipa-inline.h
2248         (add_condition): Update.
2249         (add_clause): Turn to...
2250         (predicate::add_clause): ... this one; update; allow passing NULL
2251         as parameter.
2252         (and_predicates): Turn to ...
2253         (predicate::operator &=): ... this one.
2254         (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
2255         (or_predicates): Turn to ...
2256         (predicate::or_with): ... this one.
2257         (evaluate_predicate): Turn to ...
2258         (predicate::evaluate): ... this one.
2259         (predicate_probability): Turn to ...
2260         (predicate::probability): ... this one.
2261         (dump_condition): Update.
2262         (dump_predicate): Turn to ...
2263         (predicate::dump): ... this one.
2264         (account_size_time): Update.
2265         (edge_set_predicate): Update.
2266         (set_hint_predicate): UPdate.
2267         (evaluate_conditions_for_known_args): Update.
2268         (evaluate_properties_for_edge): Update.
2269         (remap_predicate_after_duplication): Turn to...
2270         (predicate::remap_after_duplication): ... this one.
2271         (remap_hint_predicate_after_duplication): Update.
2272         (inline_summary_t::duplicate): UPdate.
2273         (dump_inline_edge_summary): Update.
2274         (dump_inline_summary): Update.
2275         (set_cond_stmt_execution_predicate): Update.
2276         (set_switch_stmt_execution_predicate): Update.
2277         (compute_bb_predicates): Update.
2278         (will_be_nonconstant_expr_predicate): Update.
2279         (will_be_nonconstant_predicate): Update.
2280         (phi_result_unknown_predicate): Update.
2281         (predicate_for_phi_result): Update.
2282         (array_index_predicate): Update.
2283         (estimate_function_body_sizes): Update.
2284         (estimate_node_size_and_time): Update.
2285         (estimate_ipcp_clone_size_and_time): Update.
2286         (remap_predicate): Rename to ...
2287         (predicate::remap_after_inlining): ... this one.
2288         (remap_hint_predicate): Update.
2289         (inline_merge_summary): Update.
2290         (inline_update_overall_summary): Update.
2291         (estimate_size_after_inlining): Update.
2292         (read_predicate): Rename to ...
2293         (predicate::stream_in): ... this one.
2294         (read_inline_edge_summary): Update.
2295         (write_predicate): Rename to ...
2296         (predicate::stream_out): ... this one.
2297         (write_inline_edge_summary): Update.
2298         * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
2299         (clause_t): Turn to uint32_t
2300         (predicate): Turn to class; implement constructor and operators
2301         ==, !=, &
2302         (size_time_entry): Update.
2303         (inline_summary): Update.
2304         (inline_edge_summary): Update.
2305
2306 2017-05-18  Marc Glisse  <marc.glisse@inria.fr>
2307
2308         * fold-const.c (fold_binary_loc): Move transformation...
2309         * match.pd (C - X CMP X): ... here.
2310
2311 2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
2312
2313         * config/sparc/sparc.c (sparc_option_override): Set function
2314         alignment for -mcpu=niagara7 to 64 to match the I$ line.
2315         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
2316         latency to 1.
2317         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
2318         latency to 2.
2319         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
2320
2321 2017-05-18  Marek Polacek  <polacek@redhat.com>
2322
2323         PR sanitizer/80797
2324         * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
2325         (pass_ubsan::execute): Call gimple_assign_single_p instead of
2326         gimple_assign_load_p.
2327
2328 2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2329
2330         PR middle-end/80692
2331         * real.c (do_compare): Give decimal_do_compare preference over
2332         comparing just the signs.
2333
2334 2017-05-17  Uros Bizjak  <ubizjak@gmail.com>
2335
2336         * doc/md.texi (Canonicalization of Instructions): Describe the
2337         canonical form of instructions that inherently set a condition
2338         code register.
2339
2340 2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>
2341
2342         PR middle-end/80775
2343         * tree-cfg.c: Move deletion of unreachable case statements to after
2344         the merging of consecutive case labels.
2345
2346 2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2347
2348         * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
2349         readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
2350         restoring of callee-saved registers.
2351
2352 2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>
2353
2354         * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
2355         * config/visium/visium.c (single_set_and_flags): Likewise.
2356         * config/visium/visium.md (Substitutions): Likewise.
2357
2358 2017-05-17  Martin Liska  <mliska@suse.cz>
2359
2360         * cfg.c: Introduce dump_flags_t type and
2361         use it instead of int type.
2362         * cfg.h: Likewise.
2363         * cfghooks.c: Likewise.
2364         * cfghooks.h (struct cfg_hooks): Likewise.
2365         * cfgrtl.c: Likewise.
2366         * cfgrtl.h: Likewise.
2367         * cgraph.c (cgraph_node::get_body): Likewise.
2368         * coretypes.h: Likewise.
2369         * domwalk.c: Likewise.
2370         * domwalk.h: Likewise.
2371         * dumpfile.c (struct dump_option_value_info): Likewise.
2372         (dump_enable_all): Likewise.
2373         (dump_switch_p_1): Likewise.
2374         (opt_info_switch_p): Likewise.
2375         * dumpfile.h (enum tree_dump_index): Likewise.
2376         (struct dump_file_info): Likewise.
2377         * genemit.c: Likewise.
2378         * generic-match-head.c: Likewise.
2379         * gengtype.c (open_base_files): Likewise.
2380         * gimple-pretty-print.c: Likewise.
2381         * gimple-pretty-print.h: Likewise.
2382         * graph.c (print_graph_cfg): Likewise.
2383         * graphite-scop-detection.c (dot_all_sese): Likewise.
2384         * ipa-devirt.c (build_type_inheritance_graph): Likewise.
2385         * loop-unroll.c (report_unroll): Likewise.
2386         * passes.c (pass_manager::register_one_dump_file): Likewise.
2387         * print-tree.c: Likewise.
2388         * statistics.c: Likewise.
2389         * tree-cfg.c: Likewise.
2390         * tree-cfg.h: Likewise.
2391         * tree-dfa.c: Likewise.
2392         * tree-dfa.h: Likewise.
2393         * tree-dump.c (dump_function): Likewise.
2394         * tree-dump.h (struct dump_info): Likewise.
2395         * tree-pretty-print.c: Likewise.
2396         * tree-pretty-print.h: Likewise.
2397         * tree-ssa-live.c: Likewise.
2398         * tree-ssa-live.h: Likewise.
2399         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2400         * tree-vect-loop.c: Likewise.
2401         * tree-vect-slp.c: Likewise.
2402
2403 2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
2404             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2405
2406         PR tree-optimization/80457
2407         * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
2408         of all arguments to a statement as scalar_to_vec operations.
2409         (vectorizable_call): Adjust call to vect_model_simple_cost for
2410         new parameter.
2411         (vectorizable_conversion): Likewise.
2412         (vectorizable_assignment): Likewise.
2413         (vectorizable_shift): Likewise.
2414         (vectorizable_operation): Likewise.
2415         (vectorizable_comparison): Likewise.
2416         (vect_is_simple_cond): Record the def types for operands.
2417         (vectorizable_condition): Likewise, call vect_model_simple_cost.
2418         * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
2419         for statement argument count.
2420
2421 2017-05-16  Carl Love  <cel@us.ibm.com>
2422
2423         * config/rs6000/rs6000-c: Add support for built-in functions
2424         vector unsigned long long vec_bperm (vector unsigned long long,
2425                                              vector unsigned char)
2426         vector signed long long vec_mule (vector signed int,
2427                                           vector signed int)
2428         vector unsigned long long vec_mule (vector unsigned int,
2429                                             vector unsigned int)
2430         vector signed long long vec_mulo (vector signed int,
2431                                           vector signed int)
2432         vector unsigned long long vec_mulo (vector unsigned int,
2433                                             vector unsigned int)
2434         vector signed char vec_sldw (vector signed char,
2435                                      vector signed char,
2436                                      const int)
2437         vector unsigned char vec_sldw (vector unsigned char,
2438                                        vector unsigned char,
2439                                        const int)
2440         vector signed short vec_sldw (vector signed short,
2441                                       vector signed short,
2442                                       const int)
2443         vector unsigned short vec_sldw (vector unsigned short,
2444                                         vector unsigned short,
2445                                         const int)
2446         vector signed int vec_sldw (vector signed int,
2447                                     vector signed int,
2448                                     const int)
2449         vector unsigned int vec_sldw (vector unsigned int,
2450                                       vector unsigned int,
2451                                       const int)
2452         vector signed long long vec_sldw (vector signed long long,
2453                                           vector signed long long,
2454                                           const int)
2455         vector unsigned long long vec_sldw (vector unsigned long long,
2456                                             vector unsigned long long,
2457                                             const int)
2458         * config/rs6000/rs6000-c: Add support for built-in functions
2459         * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
2460         * config/rs6000/altivec.h: Add defintion for vec_sldw.
2461         * doc/extend.texi: Update the built-in documentation for the
2462         new built-in functions.
2463
2464 2017-05-16  Marek Polacek  <polacek@redhat.com>
2465
2466         PR sanitizer/80536
2467         PR sanitizer/80386
2468         * tree.c (save_expr): Don't fold the expression.
2469
2470 2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
2471
2472         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
2473         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
2474         and (?*y,m).  Update insn attributes.
2475
2476 2017-05-16  Martin Liska  <mliska@suse.cz>
2477
2478         * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
2479         flags argument of print_gimple_stmt, print_gimple_expr,
2480         print_generic_stmt and print_generic_expr.
2481         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
2482         * coretypes.h: Likewise.
2483         * except.c (dump_eh_tree): Likewise.
2484         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
2485         * gimple-pretty-print.h: Likewise.
2486         * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
2487         (backprop::push_to_worklist): Likewise.
2488         (backprop::pop_from_worklist): Likewise.
2489         (backprop::process_use): Likewise.
2490         (backprop::intersect_uses): Likewise.
2491         (note_replacement): Likewise.
2492         * gimple-ssa-store-merging.c
2493         (pass_store_merging::terminate_all_aliasing_chains): Likewise.
2494         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
2495         (pass_store_merging::execute): Likewise.
2496         * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
2497         (ssa_base_cand_dump_callback): Likewise.
2498         (dump_incr_vec): Likewise.
2499         (replace_refs): Likewise.
2500         (replace_mult_candidate): Likewise.
2501         (create_add_on_incoming_edge): Likewise.
2502         (create_phi_basis): Likewise.
2503         (insert_initializers): Likewise.
2504         (all_phi_incrs_profitable): Likewise.
2505         (introduce_cast_before_cand): Likewise.
2506         (replace_one_candidate): Likewise.
2507         * gimplify.c (gimplify_expr): Likewise.
2508         * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
2509         (set_rename): Likewise.
2510         (rename_uses): Likewise.
2511         (copy_loop_phi_nodes): Likewise.
2512         (add_close_phis_to_merge_points): Likewise.
2513         (copy_loop_close_phi_args): Likewise.
2514         (copy_cond_phi_args): Likewise.
2515         (graphite_copy_stmts_from_block): Likewise.
2516         (translate_pending_phi_nodes): Likewise.
2517         * graphite-poly.c (print_pdr): Likewise.
2518         (dump_gbb_cases): Likewise.
2519         (dump_gbb_conditions): Likewise.
2520         (print_scop_params): Likewise.
2521         * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
2522         (build_cross_bb_scalars_use): Likewise.
2523         (gather_bbs::before_dom_children): Likewise.
2524         * hsa-dump.c (dump_hsa_immed): Likewise.
2525         * ipa-cp.c (print_ipcp_constant_value): Likewise.
2526         (get_replacement_map): Likewise.
2527         * ipa-inline-analysis.c (dump_condition): Likewise.
2528         (estimate_function_body_sizes): Likewise.
2529         * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
2530         (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
2531         * ipa-prop.c (ipa_dump_param): Likewise.
2532         (ipa_print_node_jump_functions_for_edge): Likewise.
2533         (ipa_modify_call_arguments): Likewise.
2534         (ipa_modify_expr): Likewise.
2535         (ipa_dump_param_adjustments): Likewise.
2536         (ipa_dump_agg_replacement_values): Likewise.
2537         (ipcp_modif_dom_walker::before_dom_children): Likewise.
2538         * ipa-pure-const.c (check_stmt): Likewise.
2539         (pass_nothrow::execute): Likewise.
2540         * ipa-split.c (execute_split_functions): Likewise.
2541         * omp-offload.c (dump_oacc_loop_part): Likewise.
2542         (dump_oacc_loop): Likewise.
2543         * trans-mem.c (tm_log_emit): Likewise.
2544         (tm_memopt_accumulate_memops): Likewise.
2545         (dump_tm_memopt_set): Likewise.
2546         (dump_tm_memopt_transform): Likewise.
2547         * tree-cfg.c (gimple_verify_flow_info): Likewise.
2548         (print_loop): Likewise.
2549         * tree-chkp-opt.c (chkp_print_addr): Likewise.
2550         (chkp_gather_checks_info): Likewise.
2551         (chkp_get_check_result): Likewise.
2552         (chkp_remove_check_if_pass): Likewise.
2553         (chkp_use_outer_bounds_if_possible): Likewise.
2554         (chkp_reduce_bounds_lifetime): Likewise.
2555         * tree-chkp.c (chkp_register_addr_bounds): Likewise.
2556         (chkp_mark_completed_bounds): Likewise.
2557         (chkp_register_incomplete_bounds): Likewise.
2558         (chkp_mark_invalid_bounds): Likewise.
2559         (chkp_maybe_copy_and_register_bounds): Likewise.
2560         (chkp_build_returned_bound): Likewise.
2561         (chkp_get_bound_for_parm): Likewise.
2562         (chkp_build_bndldx): Likewise.
2563         (chkp_get_bounds_by_definition): Likewise.
2564         (chkp_generate_extern_var_bounds): Likewise.
2565         (chkp_get_bounds_for_decl_addr): Likewise.
2566         * tree-chrec.c (chrec_apply): Likewise.
2567         * tree-data-ref.c (dump_data_reference): Likewise.
2568         (dump_subscript): Likewise.
2569         (dump_data_dependence_relation): Likewise.
2570         (analyze_overlapping_iterations): Likewise.
2571         * tree-inline.c (expand_call_inline): Likewise.
2572         (tree_function_versioning): Likewise.
2573         * tree-into-ssa.c (dump_defs_stack): Likewise.
2574         (dump_currdefs): Likewise.
2575         (dump_names_replaced_by): Likewise.
2576         (dump_update_ssa): Likewise.
2577         (update_ssa): Likewise.
2578         * tree-object-size.c (pass_object_sizes::execute): Likewise.
2579         * tree-parloops.c (build_new_reduction): Likewise.
2580         (try_create_reduction_list): Likewise.
2581         (ref_conflicts_with_region): Likewise.
2582         (oacc_entry_exit_ok_1): Likewise.
2583         (oacc_entry_exit_single_gang): Likewise.
2584         * tree-pretty-print.h: Likewise.
2585         * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
2586         (get_scalar_evolution): Likewise.
2587         (add_to_evolution): Likewise.
2588         (get_loop_exit_condition): Likewise.
2589         (analyze_evolution_in_loop): Likewise.
2590         (analyze_initial_condition): Likewise.
2591         (analyze_scalar_evolution): Likewise.
2592         (instantiate_scev): Likewise.
2593         (number_of_latch_executions): Likewise.
2594         (gather_chrec_stats): Likewise.
2595         (final_value_replacement_loop): Likewise.
2596         (scev_const_prop): Likewise.
2597         * tree-sra.c (dump_access): Likewise.
2598         (disqualify_candidate): Likewise.
2599         (create_access): Likewise.
2600         (reject): Likewise.
2601         (maybe_add_sra_candidate): Likewise.
2602         (create_access_replacement): Likewise.
2603         (analyze_access_subtree): Likewise.
2604         (analyze_all_variable_accesses): Likewise.
2605         (sra_modify_assign): Likewise.
2606         (initialize_constant_pool_replacements): Likewise.
2607         (find_param_candidates): Likewise.
2608         (decide_one_param_reduction): Likewise.
2609         (replace_removed_params_ssa_names): Likewise.
2610         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2611         * tree-ssa-copy.c (dump_copy_of): Likewise.
2612         (copy_prop_visit_cond_stmt): Likewise.
2613         * tree-ssa-dce.c (mark_operand_necessary): Likewise.
2614         * tree-ssa-dom.c (pass_dominator::execute): Likewise.
2615         (record_equivalences_from_stmt): Likewise.
2616         * tree-ssa-dse.c (compute_trims): Likewise.
2617         (delete_dead_call): Likewise.
2618         (delete_dead_assignment): Likewise.
2619         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
2620         (forward_propagate_into_cond): Likewise.
2621         (pass_forwprop::execute): Likewise.
2622         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
2623         * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
2624         Likewise.
2625         (move_computations_worker): Likewise.
2626         (execute_sm): Likewise.
2627         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
2628         (remove_exits_and_undefined_stmts): Likewise.
2629         (remove_redundant_iv_tests): Likewise.
2630         * tree-ssa-loop-ivopts.c (dump_use): Likewise.
2631         (adjust_iv_update_pos): Likewise.
2632         * tree-ssa-math-opts.c (bswap_replace): Likewise.
2633         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
2634         (value_replacement): Likewise.
2635         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2636         * tree-ssa-pre.c (print_pre_expr): Likewise.
2637         (get_representative_for): Likewise.
2638         (create_expression_by_pieces): Likewise.
2639         (insert_into_preds_of_block): Likewise.
2640         (eliminate_insert): Likewise.
2641         (eliminate_dom_walker::before_dom_children): Likewise.
2642         (eliminate): Likewise.
2643         (remove_dead_inserted_code): Likewise.
2644         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
2645         * tree-ssa-reassoc.c (get_rank): Likewise.
2646         (eliminate_duplicate_pair): Likewise.
2647         (eliminate_plus_minus_pair): Likewise.
2648         (eliminate_not_pairs): Likewise.
2649         (undistribute_ops_list): Likewise.
2650         (eliminate_redundant_comparison): Likewise.
2651         (update_range_test): Likewise.
2652         (optimize_range_tests_var_bound): Likewise.
2653         (optimize_vec_cond_expr): Likewise.
2654         (rewrite_expr_tree): Likewise.
2655         (rewrite_expr_tree_parallel): Likewise.
2656         (linearize_expr): Likewise.
2657         (break_up_subtract): Likewise.
2658         (linearize_expr_tree): Likewise.
2659         (attempt_builtin_powi): Likewise.
2660         (attempt_builtin_copysign): Likewise.
2661         (transform_stmt_to_copy): Likewise.
2662         (transform_stmt_to_multiply): Likewise.
2663         (dump_ops_vector): Likewise.
2664         * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
2665         (print_scc): Likewise.
2666         (set_ssa_val_to): Likewise.
2667         (visit_reference_op_store): Likewise.
2668         (visit_use): Likewise.
2669         (sccvn_dom_walker::before_dom_children): Likewise.
2670         (run_scc_vn): Likewise.
2671         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
2672         Likewise.
2673         (expr_hash_elt::print): Likewise.
2674         (const_and_copies::pop_to_marker): Likewise.
2675         (const_and_copies::record_const_or_copy_raw): Likewise.
2676         * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
2677         * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
2678         (dump_predicates): Likewise.
2679         (find_uninit_use): Likewise.
2680         (warn_uninitialized_phi): Likewise.
2681         (pass_late_warn_uninitialized::execute): Likewise.
2682         * tree-ssa.c (verify_vssa): Likewise.
2683         (verify_ssa): Likewise.
2684         (maybe_optimize_var): Likewise.
2685         * tree-vrp.c (dump_value_range): Likewise.
2686         (dump_all_value_ranges): Likewise.
2687         (dump_asserts_for): Likewise.
2688         (register_edge_assert_for_2): Likewise.
2689         (vrp_visit_cond_stmt): Likewise.
2690         (vrp_visit_switch_stmt): Likewise.
2691         (vrp_visit_stmt): Likewise.
2692         (vrp_visit_phi_node): Likewise.
2693         (simplify_cond_using_ranges_1): Likewise.
2694         (fold_predicate_in): Likewise.
2695         (evrp_dom_walker::before_dom_children): Likewise.
2696         (evrp_dom_walker::push_value_range): Likewise.
2697         (evrp_dom_walker::pop_value_range): Likewise.
2698         (execute_early_vrp): Likewise.
2699
2700 2017-05-16  Richard Biener  <rguenther@suse.de>
2701
2702         * dwarf2out.c (loc_list_from_tree_1): Do not create
2703         DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
2704
2705 2017-05-16  Richard Biener  <rguenther@suse.de>
2706
2707         * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
2708         just generated.
2709         (note_variable_value_in_expr): If we resolved the decl ref
2710         do not push to the stack.
2711
2712 2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>
2713
2714         * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
2715         operations in fast-math mode.
2716         (vaddq_f16): Likewise.
2717         (vmul_f16): Likewise.
2718         (vmulq_f16): Likewise.
2719         (vsub_f16): Likewise.
2720         (vsubq_f16): Likewise.
2721         * config/arm/neon.md (add<mode>3): New.
2722         (sub<mode>3): New.
2723         (fma:<VH:mode>3): New.  Also remove outdated comment.
2724         (mul<mode>3): New.
2725
2726 2017-05-16  Martin Liska  <mliska@suse.cz>
2727
2728         PR ipa/79849.
2729         PR ipa/79850.
2730         * ipa-devirt.c (warn_types_mismatch): Fix typo.
2731         (odr_types_equivalent_p): Likewise.
2732
2733 2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>
2734
2735         * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).
2736
2737 2017-05-15  Uros Bizjak  <ubizjak@gmail.com>
2738
2739         PR target/80425
2740         * config/i386.i386.md (*zero_extendsidi2): Do not penalize
2741         non-interunit SSE move alternatives with '?'.
2742         (zero-extendsidi peephole2): New peephole to skip intermediate
2743         general register in SSE zero-extend sequence.
2744
2745 2017-05-15  Jeff Law  <law@redhat.com>
2746
2747         * reorg.c (relax_delay_slots): Create a new variable to hold
2748         the temporary target rather than clobbering TARGET_LABEL.
2749
2750         * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
2751         missing argument to extract_bit_field call.
2752         * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.
2753
2754 2017-05-15  Martin Liska  <mliska@suse.cz>
2755
2756         PR driver/31468
2757         * gcc.c (process_command): Do not allow empty argument of -o option.
2758
2759 2017-05-15  Renlin Li  <renlin.li@arm.com>
2760
2761         * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
2762         * config/aarch64/aarch64.c (aarch64_expand_call): Define.
2763         * config/aarch64/constraints.md (Usf): Add long call check.
2764         * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
2765         (call_value): Likewise.
2766         (sibcall): Likewise.
2767         (sibcall_value): Likewise.
2768         (call_insn): New.
2769         (call_value_insn): New.
2770         (sibcall_insn): Update rtx pattern.
2771         (sibcall_value_insn): Likewise.
2772         (call_internal): Remove.
2773         (call_value_internal): Likewise.
2774         (sibcall_internal): Likewise.
2775         (sibcall_value_internal): Likewise.
2776         (call_reg): Likewise.
2777         (call_symbol): Likewise.
2778         (call_value_reg): Likewise.
2779         (call_value_symbol): Likewise.
2780
2781 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
2782
2783         PR target/80600
2784         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.
2785
2786 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
2787
2788         * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
2789         compatible with CCGOCmode and with CCZmode.
2790
2791 2017-05-14  Martin Sebor  <msebor@redhat.com>
2792
2793         PR middle-end/77671
2794         * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
2795         (gimple_fold_builtin_snprintf): Same.
2796         * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
2797         (gimple_fold_builtin_snprintf): Same.
2798         * gimple-ssa-sprintf.c (get_format_string): Correct the detection
2799         of character types.
2800         (is_call_safe): New function.
2801         (try_substitute_return_value): Call it.
2802         (try_simplify_call): New function.
2803         (pass_sprintf_length::handle_gimple_call): Call it.
2804
2805 2017-05-14  Martin Sebor  <msebor@redhat.com>
2806
2807         PR middle-end/80669
2808         * builtins.c (expand_builtin_stpncpy): Simplify.
2809
2810 2017-05-14  Daniel Santos  <daniel.santos@pobox.com>
2811
2812         * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
2813         * config/i386/i386.h
2814         (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
2815         (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
2816         (struct machine_function): Add new members call_ms2sysv,
2817         call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
2818         (struct machine_frame_state): New fields sp_realigned and
2819         sp_realigned_offset.
2820         * config/i386/i386.c
2821         (enum xlogue_stub): New enum.
2822         (enum xlogue_stub_sets): New enum.
2823         (class xlogue_layout): New class.
2824         (struct ix86_frame): New fields stack_realign_allocate_offset,
2825         stack_realign_offset and outlined_save_offset.  Modify comments to
2826         detail stack layout when using out-of-line stubs.
2827         (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
2828         (ix86_option_override_internal): Add sorry() for TARGET_SEH and
2829         -mcall-ms2sysv-xlogues.
2830         (stub_managed_regs): New static variable.
2831         (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
2832         registers managed by out-of-line stub.
2833         (disable_call_ms2sysv_xlogues): New function.
2834         (ix86_compute_frame_layout): Modify re-alignment calculations, disable
2835         m->call_ms2sysv when appropriate and compute frame layout for
2836         out-of-line stubs.
2837         (sp_valid_at, fp_valid_at): New inline functions.
2838         (choose_basereg): New function.
2839         (choose_baseaddr): Add align parameter, use choose_basereg and modify
2840         all callers.
2841         (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
2842         Use align parameter of choose_baseaddr to generated aligned SSE movs
2843         when possible.
2844         (pro_epilogue_adjust_stack): Modify to track
2845         machine_frame_state::sp_realigned.
2846         (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
2847         (ix86_nsaved_sseregs): Likewise.
2848         (ix86_emit_save_regs): Likewise.
2849         (ix86_emit_save_regs_using_mov): Likewise.
2850         (ix86_emit_save_sse_regs_using_mov): Likewise.
2851         (get_scratch_register_on_entry): Likewise.
2852         (gen_frame_set): New function.
2853         (gen_frame_load): Likewise.
2854         (gen_frame_store): Likewise.
2855         (emit_outlined_ms2sysv_save): Likewise.
2856         (emit_outlined_ms2sysv_restore): Likewise.
2857         (ix86_expand_prologue): Modify stack re-alignment code and call
2858         emit_outlined_ms2sysv_save when appropriate.
2859         (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
2860         parameter rtx_insn *insn, which allows the function to be used to only
2861         generate the notes.
2862         (ix86_expand_epilogue): Modify validity checks of frame and stack
2863         pointers, and call emit_outlined_ms2sysv_restore when appropriate.
2864         (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
2865         * config/i386/predicates.md
2866         (save_multiple): New predicate.
2867         (restore_multiple): Likewise.
2868         * config/i386/sse.md
2869         (save_multiple<mode>): New pattern.
2870         (save_multiple_realign<mode>): Likewise.
2871         (restore_multiple<mode>): Likewise.
2872         (restore_multiple_and_return<mode>): Likewise.
2873         (restore_multiple_leave_return<mode>): Likewise.
2874         * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp
2875
2876 2017-05-14  Julia Koval  <julia.koval@intel.com>
2877
2878         * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
2879         * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
2880         (__builtin_ia32_xsetbv): New builtins.
2881         * config/i386/i386.c (ix86_expand_special_args_builtin):
2882         Process new types.
2883         (ix86_expand_builtin): Special expand for new intrinsics.
2884         * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
2885         (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
2886         * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.
2887
2888 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2889
2890         * cfganal.c (inverted_post_order_compute): Change argument type
2891         to vec *.
2892         * cfganal.h (inverted_post_order_compute): Adjust prototype.
2893         * df-core.c (rest_of_handle_df_initialize): Adjust.
2894         (rest_of_handle_df_finish): Likewise.
2895         (df_analyze_1): Likewise.
2896         (df_analyze): Likewise.
2897         (loop_inverted_post_order_compute): Change argument to be a vec *.
2898         (df_analyze_loop): Adjust.
2899         (df_get_n_blocks): Likewise.
2900         (df_get_postorder): Likewise.
2901         * df.h (struct df_d): Change field to be a vec.
2902         * lcm.c (compute_laterin): Adjust.
2903         (compute_available): Likewise.
2904         * lra-lives.c (lra_create_live_ranges_1): Likewise.
2905         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2906         * tree-ssa-pre.c (compute_antic): Likewise.
2907
2908 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2909
2910         * cfganal.c (connect_infinite_loops_to_exit): Adjust.
2911         (depth_first_search::depth_first_search): Change structure init
2912         function to this constructor.
2913         (depth_first_search::add_bb): Rename function to this member.
2914         (depth_first_search::execute): Likewise.
2915         (flow_dfs_compute_reverse_finish): Adjust.
2916
2917 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2918
2919         * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
2920         (longest_simple_path): Likewise.
2921         * shrink-wrap.c (spread_components): Likewise.
2922         (disqualify_problematic_components): Likewise.
2923         (emit_common_heads_for_components): Likewise.
2924         (emit_common_tails_for_components): Likewise.
2925         (insert_prologue_epilogue_for_components): Likewise.
2926
2927 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2928
2929         * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
2930         auto_sbitmap.
2931
2932 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2933
2934         * df-core.c (df_set_blocks): Start using auto_bitmap.
2935         (df_compact_blocks): Likewise.
2936         * df-problems.c (df_rd_confluence_n): Likewise.
2937         * df-scan.c (df_insn_rescan_all): Likewise.
2938         (df_process_deferred_rescans): Likewise.
2939         (df_update_entry_block_defs): Likewise.
2940         (df_update_exit_block_uses): Likewise.
2941         (df_entry_block_bitmap_verify): Likewise.
2942         (df_exit_block_bitmap_verify): Likewise.
2943         (df_scan_verify): Likewise.
2944         * lra-constraints.c (lra_constraints): Likewise.
2945         (undo_optional_reloads): Likewise.
2946         (lra_undo_inheritance): Likewise.
2947         * lra-remat.c (calculate_gen_cands): Likewise.
2948         (do_remat): Likewise.
2949         * lra-spills.c (assign_spill_hard_regs): Likewise.
2950         (spill_pseudos): Likewise.
2951         * tree-ssa-pre.c (bitmap_set_and): Likewise.
2952         (bitmap_set_subtract_values): Likewise.
2953
2954 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2955
2956         * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
2957         management with auto_bitmap.
2958         (fix_inter_tick): Likewise.
2959         (fix_recovery_deps): Likewise.
2960         * ira.c (add_store_equivs): Likewise.
2961         (find_moveable_pseudos): Likewise.
2962         (split_live_ranges_for_shrink_wrap): Likewise.
2963         * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
2964         (rtx_reuse_manager::seen_def_p): Likewise.
2965         (rtx_reuse_manager::set_seen_def): Likewise.
2966         * print-rtl.h (class rtx_reuse_manager): Likewise.
2967
2968 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2969
2970         * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
2971         lifetime.
2972         (migrate_btr_def): Likewise.
2973         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
2974         * df-core.c (loop_post_order_compute): Likewise.
2975         (loop_inverted_post_order_compute): Likewise.
2976         * hsa-common.h: Likewise.
2977         * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
2978         * init-regs.c (initialize_uninitialized_regs): Likewise.
2979         * ipa-inline.c (resolve_noninline_speculation): Likewise.
2980         (inline_small_functions): Likewise.
2981         * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
2982         * ira.c (combine_and_move_insns): Likewise.
2983         (build_insn_chain): Likewise.
2984         * loop-invariant.c (find_invariants): Likewise.
2985         * lower-subreg.c (propagate_pseudo_copies): Likewise.
2986         * predict.c (tree_predict_by_opcode): Likewise.
2987         (predict_paths_leading_to): Likewise.
2988         (predict_paths_leading_to_edge): Likewise.
2989         (estimate_loops_at_level): Likewise.
2990         (estimate_loops): Likewise.
2991         * shrink-wrap.c (try_shrink_wrapping): Likewise.
2992         (spread_components): Likewise.
2993         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
2994         * tree-loop-distribution.c (rdg_build_partitions): Likewise.
2995         * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
2996         * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
2997         * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
2998         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2999         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
3000         * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
3001         (mark_threaded_blocks): Likewise.
3002         (thread_through_all_blocks): Likewise.
3003         * tree-ssa.c (verify_ssa): Likewise.
3004         (execute_update_addresses_taken): Likewise.
3005         * tree-ssanames.c (verify_ssaname_freelists): Likewise.
3006
3007 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3008
3009         * cfganal.c (mark_dfs_back_edges): Replace manual stack with
3010         auto_vec.
3011         (post_order_compute): Likewise.
3012         (inverted_post_order_compute): Likewise.
3013         (pre_and_rev_post_order_compute_fn): Likewise.
3014
3015 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3016
3017         * genrecog.c (int_set::int_set): Explicitly construct our
3018         auto_vec base class.
3019         * vec.h (auto_vec::auto_vec): New constructor.
3020
3021 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3022
3023         * bitmap.h (class auto_bitmap): New constructor taking
3024         bitmap_obstack * argument.
3025
3026 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3027
3028         * bitmap.h (class auto_bitmap): Change type of m_bits to
3029         bitmap_head, and adjust ctor / dtor and member operators.
3030
3031 2017-05-13  Uros Bizjak  <ubizjak@gmail.com>
3032
3033         * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
3034         when returned register mode doesn't match original mode.
3035
3036 2017-05-12  Jeff Law  <law@redhat.com>
3037             Jakub Jelinek  <jakub@redhat.com>
3038
3039         * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
3040         we look for cc setter after the compare-elim changes.
3041         * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
3042         within the vector to match what compare-elim now expects.
3043         (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
3044         (xorsi3_flags, one_cmplsi2_flags): Likewise.
3045
3046         * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
3047         after the compare-elim changes.
3048         * config/rx/rx.md (abssi2_flags): Fix order of patterns within
3049         the vector to match what compare-elim now expects.
3050         (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
3051         (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
3052         (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
3053         (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
3054         (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.
3055
3056         * config/visium/visium.c (single_set_and_flags): Fix where
3057         we look for cc setter after the compare-elim changes.
3058         * config/visium/visium.md (flags_subst_logic): Fix order of patterns
3059         with the vector to match what compare-elim now expects.
3060         (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
3061         (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
3062         (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
3063         (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
3064         (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
3065         (neg<mode>2_insn_set_overflow): Likewise.
3066
3067 2017-05-12  Jim Wilson  <jim.wilson@linaro.org>
3068
3069         PR middle-end/79794
3070         * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
3071         maybe_expand_insn call, set ops[0].target.  If still set after call,
3072         set alt_rtl.  Add extra arg to recursive calls.
3073         (extract_bit_field): Add alt_rtl argument.  Pass to
3074         extract_bit_field.
3075         * expmed.h (extract_bit_field): Fix prototype.
3076         * expr.c (emit_group_load_1, copy_blkmode_from_reg)
3077         (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
3078         to extract_bit_field_calls.
3079         (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
3080         Pass alt_rtl to extract_bit_field calls.
3081         * calls.c (store_unaligned_arguments_into_psuedos)
3082         load_register_parameters): Pass extra NULL to extract_bit_field calls.
3083         * optabs.c (maybe_legitimize_operand): Clear op->target when call
3084         gen_reg_rtx.
3085         * optabs.h (struct expand_operand): Add target bitfield.
3086
3087 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
3088
3089         * compare-elim.c (try_eliminate_compare): Canonicalize
3090         operation with embedded compare to
3091         [(set (reg:CCM) (compare:CCM (operation) (immediate)))
3092          (set (reg) (operation)].
3093
3094         * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.
3095
3096 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
3097
3098         PR target/80723
3099         * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
3100         cost of adding a carry flag for ADC instruction.
3101         [case MINUS]: Ignore the cost of subtracting a carry flag
3102         for SBB instruction.
3103
3104 2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>
3105
3106         * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
3107         and x86intrin.h
3108         * config/rs6000/bmiintrin.h: New file.
3109         * config/rs6000/bmi2intrin.h: New file.
3110         * config/rs6000/x86intrin.h: New file.
3111
3112 2017-05-12  Jeff Law  <law@redhat.com>
3113
3114         * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
3115         markers.
3116
3117 2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>
3118
3119         PR middle-end/80707
3120         * tree-cfg.c: Remove cfg edges of unreachable case statements.
3121
3122 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
3123
3124         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
3125         early expansion of vector divide builtins.
3126         (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
3127         builtins identified as having unsigned arguments.
3128
3129 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
3130
3131         * config/rs6000/rs6000.c (gimple-fold.h): New #include.
3132         (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
3133         expansion of vector logical operations (and, andc, or, xor,
3134         nor, orc, nand).
3135
3136 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
3137
3138         * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
3139         * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.
3140
3141 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
3142
3143         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
3144         early GIMPLE expansion of vector multiplies.
3145
3146 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
3147
3148         * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
3149         TARGET_HAVE_MOVT conditional.
3150         (movt splitter): Likewise.
3151
3152 2017-05-12  Richard Biener  <rguenther@suse.de>
3153
3154         * tree-ssa-sccvn.h (has_VN_INFO): Declare.
3155         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
3156         Fold all stmts not inplace.
3157
3158 2017-05-12  Richard Biener  <rguenther@suse.de>
3159
3160         PR tree-optimization/80713
3161         * tree-ssa-pre.c (remove_dead_inserted_code): Clear
3162         inserted_exprs bit for not removed stmts.
3163
3164 2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
3165
3166         PR middle-end/69921
3167         * tree-parloops.c (create_parallel_loop): Set "oacc kernels
3168         parallelized" attribute for parallelized OpenACC kernels.
3169         * omp-offload.c (execute_oacc_device_lower): Use it.
3170
3171         * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
3172         Set "oacc kernels" attribute.
3173         * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
3174         parameter.  Adjust all users.
3175         (oacc_fn_attrib_kernels_p): Remove function.
3176         * omp-offload.c (execute_oacc_device_lower): Look for "oacc
3177         kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
3178         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
3179         * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
3180         assert "oacc kernels" attribute is set.
3181
3182 2017-05-11  Carl Love  <cel@us.ibm.com>
3183
3184         * config/rs6000/rs6000-c: Add support for built-in functions
3185         vector unsigned char vec_popcnt (vector signed char)
3186         vector unsigned char vec_popcnt (vector unsigned char)
3187         vector unsigned short vec_popcnt (vector signed short)
3188         vector unsigned short vec_popcnt (vector unsigned short)
3189         vector unsigned int vec_popcnt (vector signed int)
3190         vector unsigned int vec_popcnt (vector unsigned int)
3191         vector unsigned long long vec_popcnt (vector signed long long)
3192         vector unsigned long long vec_popcnt (vector unsigned long long)
3193         vector signed long long vec_slo (vector signed long long,
3194                                          vector signed char)
3195         vector signed long long vec_slo (vector signed long long,
3196                                          vector unsigned char)
3197         vector unsigned long long vec_slo (vector unsigned long long,
3198                                            vector signed char)
3199         vector unsigned long long vec_slo (vector unsigned long long,
3200                                            vector unsigned char)
3201         * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
3202         VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
3203         * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
3204         vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
3205         * doc/extend.texi: Update the built-in documentation file for the
3206         new built-in functions.
3207
3208 2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
3209
3210         * attribs.h (sorted_attr_string): Move machine independent
3211         functions for target clone support from the i386 port to common
3212         code.  Rename ix86_function_versions to common_function_versions.
3213         Rename make_name to make_unique_name.
3214         (common_function_versions): Likewise.
3215         (make_unique_name): Likewise.
3216         (make_dispatcher_decl): Likewise.
3217         (is_function_default_version): Likewise.
3218         * attribs.c (attr_strcmp): Likewise.
3219         (sorted_attr_string): Likewise.
3220         (common_function_versions): Likewise.
3221         (make_unique_name): Likewise.
3222         (make_dispatcher_decl): Likewise.
3223         (is_function_default_version): Likewise.
3224         * config/i386/i386.c (attr_strcmp): Likewise.
3225         (sorted_attr_string): Likewise.
3226         (ix86_function_versions): Likewise.
3227         (make_name): Likewise.
3228         (make_dispatcher_decl): Likewise.
3229         (is_function_default_version): Likewise.
3230         (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.
3231
3232 2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3233
3234         PR target/80695
3235         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
3236         Account for direct move costs for vec_construct of integer
3237         vectors.
3238
3239 2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
3240
3241         PR target/80706
3242         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
3243         (UNSPEC_STX_ATOMIC): Ditto.
3244         (loaddi_via_sse): New insn.
3245         (storedi_via_sse): Ditto.
3246         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
3247         Update corresponding peephole2 patterns.
3248         (atomic_storedi_fpu): Ditto.
3249
3250 2017-05-11  Julia Koval  <julia.koval@intel.com>
3251
3252         * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
3253         (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
3254         New intrinsics.
3255         * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
3256         (__builtin_ia32_rsqrt14ss_mask): New builtins.
3257         * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.
3258
3259 2017-05-11  Nathan Sidwell  <nathan@acm.org>
3260
3261         * graphite-poly.c: Include dumpfile.h.
3262
3263         * dumpfle.h (dump_function): Declare here ...
3264         * tree-dump.h (dump_function): ... not here.
3265         * dumpfile.c: #include tree-cfg.h.
3266         (dump_function): Move here from ...
3267         * tree-dump.c (dump_function): ... here.
3268         * gimplify.c: #include splay-tree.h, not tree-dump.h.
3269         * graphite-poly.c: Don't include tree-dump.h.
3270         * cgraphclones.c: Include dumpfile.h not tree-dump.h.
3271         * print-tree.c: Likewise.
3272         * stor-layout.c: Likewise.
3273         * tree-nested.c: Likewise.
3274
3275         * dumpfile.c (dump_start): Use TDF_FLAGS.
3276         (dump_enable_all): Fix TDF_KIND check thinko.
3277
3278 2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3279
3280         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3281         array entries to represent two legal parameterizations of the
3282         overloaded __builtin_cmpb function, as represented by the
3283         P6_OV_BUILTIN_CMPB constant.
3284         (altivec_resolve_overloaded_builtin): Add special case handling
3285         for the __builtin_cmpb function, as represented by the
3286         P6_OV_BUILTIN_CMPB constant.
3287         * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
3288         (BU_P6_64BIT_2): New macro.
3289         (BU_P6_OVERLOAD_2): New macro
3290         (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
3291         (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
3292         (CMPB): Add overload support to represent both 32-bit and 64-bit
3293         compare-bytes function.
3294         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
3295         support for TARGET_CMPB.
3296         * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
3297         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
3298         documentation of the __builtin_cmpb overloaded built-in function.
3299
3300 2017-05-11  Richard Biener  <rguenther@suse.de>
3301
3302         PR tree-optimization/80705
3303         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
3304         bases are not vectorizable.
3305
3306 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3307
3308         * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
3309         when counting register pressure.
3310
3311 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3312
3313         * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
3314         (iv_ca_more_deps): Renamed to ...
3315         (iv_ca_compare_deps): ... this.
3316         (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.
3317
3318 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3319
3320         * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
3321         to ...
3322         (determine_group_iv_costs): ... here.
3323         (find_inv_vars_cb): Record inv var if it's not recorded before.
3324
3325 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3326
3327         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
3328         (get_shiftadd_cost): Ditto.
3329
3330 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3331
3332         * tree-ssa-address.c: Include header file.
3333         (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
3334         address.
3335         (add_to_parts): Refactor.
3336         (addr_to_parts): New parameter.  Update use of move_hint_to_base.
3337         (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
3338         in new order.
3339
3340 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3341
3342         PR tree-optimization/53090
3343         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
3344         COMP_IV_EXPR_2.
3345         (extract_cond_operands): Detect condition with IV on both sides
3346         and return COMP_IV_EXPR_2.
3347         (find_interesting_uses_cond): Add iv_use for both IVs in condition.
3348         (rewrite_use_compare): Simplify by removing call to function
3349         extract_cond_operands.
3350
3351 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3352
3353         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
3354         (extract_cond_operands): Detect condition comparing against non-
3355         invariant bound and return appropriate enum value.
3356         (find_interesting_uses_cond): Update use of extract_cond_operands.
3357         Handle its return value accordingly.
3358         (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.
3359
3360 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3361
3362         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
3363         nonlinear iv_use computation in loop invariant sensitive way.
3364
3365 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3366
3367         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
3368         (find_iv_candidates): Call relate_compare_use_with_all_cands.
3369
3370 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3371
3372         * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
3373         (dump_cand): Support iv_cand.inv_exprs.
3374         (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
3375         for candidates.
3376         (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
3377         iv_cand.inv_exprs.
3378
3379 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3380
3381         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
3382         from ...
3383         * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
3384         as local function.  Include necessary header files.
3385         * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.
3386
3387 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3388
3389         * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.
3390
3391 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3392
3393         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
3394         operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
3395         RSHIFT_EXPR and BIT_NOT_EXPR.
3396
3397 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3398
3399         * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
3400         (adjust_setup_cost): New parameter supporting round up adjustment.
3401         (struct address_cost_data): Delete.
3402         (force_expr_to_var_cost): Don't bound cost with spill_cost.
3403         (split_address_cost, ptr_difference_cost): Delete.
3404         (difference_cost, compare_aff_trees, record_inv_expr): Delete.
3405         (struct ainc_cost_data): New struct.
3406         (get_address_cost_ainc): New function.
3407         (get_address_cost, get_computation_cost): Reimplement.
3408         (determine_group_iv_cost_address): Record inv_expr for all uses of
3409         a group.
3410         (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
3411         (iv_ca_has_deps): Reimplemented to ...
3412         (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
3413         than OLD_CP.
3414         (iv_ca_extend): Call iv_ca_more_deps.
3415
3416 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3417
3418         * tree-ssa-address.c (struct mem_address): Move to header file.
3419         (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
3420         * tree-ssa-address.h (struct mem_address): Move from C file.
3421         (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.
3422
3423 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3424
3425         * tree-affine.h (aff_combination_type): New interface.
3426         (aff_combination_zero_p): Remove static.
3427         (aff_combination_const_p): New interface.
3428         (aff_combination_singleton_var_p): New interfaces.
3429
3430 2017-05-11  Richard Biener  <rguenther@suse.de>
3431
3432         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
3433         Skip unreachable blocks and destinations.
3434         (eliminate): Move stmt removal and fixup ...
3435         (fini_eliminate): ... here.  Skip inserted exprs.
3436         (pass_pre::execute): Move fini_pre after fini_eliminate.
3437         * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
3438         (tail_merge_optimize): Run cleanup_tree_cfg if requested by
3439         PRE to get rid of dead code that has invalid SSA form and
3440         split critical edges again.
3441
3442 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3443
3444         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
3445
3446 2017-05-11  Richard Biener  <rguenther@suse.de>
3447
3448         * passes.c (execute_function_todo): Verify loops if they are
3449         said to be up-to-date.
3450         * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
3451         * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.
3452
3453 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
3454
3455         PR target/80090
3456         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
3457         handle calling assemble_external ourself.
3458
3459         PR target/79027
3460         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
3461         modes with zero size.  Enhance comment.
3462
3463 2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3464
3465         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
3466         built-ins for vec_xl and vec_xst with short and char pointer
3467         arguments.
3468
3469 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
3470
3471         * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
3472         (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
3473         (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
3474         (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
3475         (_mm_maskz_min_round_ss): New intrinsics.
3476         * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
3477         (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
3478         * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
3479         (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
3480         (__builtin_ia32_minss_mask_round): New builtins.
3481         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
3482         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
3483         * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
3484         Rename to ...
3485         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
3486         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
3487         Change to ...
3488         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
3489         ... this.
3490
3491 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
3492
3493         * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
3494         (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
3495         (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
3496         (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
3497         (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
3498         (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
3499         (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
3500         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
3501         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
3502         * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
3503         (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
3504         (__builtin_ia32_mulss_mask_round): New builtins.
3505         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
3506         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
3507         * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
3508         Rename to ...
3509         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
3510         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
3511         Change to ...
3512         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
3513         ... this.
3514
3515 2017-05-10  Julia Koval  <julia.koval@intel.com>
3516
3517         * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
3518         (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
3519         (_mm256_setr_m128i): New intrinsics.
3520
3521 2017-05-10  Julia Koval  <julia.koval@intel.com>
3522
3523         * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
3524         (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
3525         (_mm_maskz_rcp14_ss): New intrinsics.
3526         * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
3527         (__builtin_ia32_rcp14ss_mask): New builtins.
3528         * config/i386/sse.md (srcp14<mode>_mask): New pattern.
3529
3530 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
3531
3532         PR tree-optimization/51513
3533         * tree-cfg.c (gimple_seq_unreachable_p): New function.
3534         (assert_unreachable_fallthru_edge_p): Use it.
3535         (group_case_labels_stmt): Likewise.
3536         * tree-cfg.h: Prototype it.
3537         * stmt.c: Include cfghooks.h and tree-cfg.h.
3538         (emit_case_dispatch_table) <gap_label>: New local variable.
3539         Use it to fill dispatch table gaps.
3540         Test for default_label before updating probabilities.
3541         (expand_case) <default_label>: Remove unneeded initialization.
3542         Test for unreachable default case statement and remove its edge.
3543         Set default_label accordingly.
3544         * tree-ssa-ccp.c (optimize_unreachable): Update comment.
3545
3546 2017-05-10  Carl Love  <cel@us.ibm.com>
3547
3548         * config/rs6000/rs6000-c: Add support for built-in functions
3549         vector signed char      vec_neg (vector signed char)
3550         vector signed short int vec_neg (vector short int)
3551         vector signed int       vec_neg (vector signed int)
3552         vector signed long long vec_neg (vector signed long long)
3553         vector float            vec_neg (vector float)
3554         vector double           vec_neg (vector double)
3555         * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
3556         overload.
3557         * config/rs6000/altivec.h: Add define for vec_neg
3558         * doc/extend.texi: Update the built-in documentation for the
3559         new built-in functions.
3560
3561 2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3562
3563         PR tree-optimization/77644
3564         * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.
3565
3566 2017-05-10  Nathan Sidwell  <nathan@acm.org>
3567
3568         * dumpfile.h (TDI_lang_all): New.
3569         (TDF_KIND): New. Renumber others
3570         (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
3571         than bits.
3572         * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
3573         lang-all.
3574         (get_dump_file_name): Adjust suffix generation.
3575         (dump_enable_all): Use TDF_KIND.
3576         * doc/invoke.texi (-fdump-lang-all): Document.
3577
3578         * dumpfile.h: Tabify.
3579
3580 2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>
3581
3582         PR target/80671
3583         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
3584         Move member access before delete.
3585
3586 2017-05-10  Alexandre Oliva <aoliva@redhat.com>
3587
3588         * tree-inline.c (expand_call_inline): Split block at stmt
3589         before the call.
3590
3591 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3592
3593         PR target/68163
3594         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
3595         are now unused after splitting mov{sf,sd}_hardfloat.
3596         (f32_lr2): Likewise.
3597         (f32_lm): Likewise.
3598         (f32_lm2): Likewise.
3599         (f32_li): Likewise.
3600         (f32_li2): Likewise.
3601         (f32_lv): Likewise.
3602         (f32_sr): Likewise.
3603         (f32_sr2): Likewise.
3604         (f32_sm): Likewise.
3605         (f32_sm2): Likewise.
3606         (f32_si): Likewise.
3607         (f32_si2): Likewise.
3608         (f32_sv): Likewise.
3609         (f32_dm): Likewise.
3610         (f32_vsx): Likewise.
3611         (f32_av): Likewise.
3612         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
3613         For movsf, order stores so the VSX stores occur before the GPR
3614         store which encourages the register allocator to use a traditional
3615         FPR instead of a GPR.  For movsd, order the stores so that the GPR
3616         store comes before the VSX stores to allow the power6 to work.
3617         This is due to the power6 not having a 32-bit integer store
3618         instruction from a FPR.
3619         (movsf_hardfloat): Likewise.
3620         (movsd_hardfloat): Likewise.
3621
3622 2017-05-09  Martin Sebor  <msebor@redhat.com>
3623
3624         PR translation/80280
3625         * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
3626         added in r247778.
3627
3628         PR translation/80280
3629         * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
3630         data member added in r247778.
3631         (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.
3632
3633 2017-05-09  Nathan Sidwell  <nathan@acm.org>
3634
3635         * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.
3636
3637         * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
3638         typedefs.
3639
3640 2017-05-09  Marek Polacek  <polacek@redhat.com>
3641
3642         * doc/invoke.texi: Fix typo.
3643
3644 2017-05-09  Richard Biener  <rguenther@suse.de>
3645
3646         * tree-vrp.c (vrp_val_is_max): Adjust comment.
3647         (vrp_val_is_min): Likewise.
3648         (set_value_range_to_value): Likewise.
3649         (set_value_range_to_nonnegative): Likewise.
3650         (gimple_assign_nonzero_p): Likewise.
3651         (gimple_stmt_nonzero_p): Likewise.
3652         (vrp_int_const_binop): Likewise.  Remove unreachable case.
3653         (adjust_range_with_scev): Adjust comments.
3654         (compare_range_with_value): Likewise.
3655         (extract_range_from_phi_node): Likewise.
3656         (test_for_singularity): Likewise.
3657
3658 2017-05-09  Richard Biener  <rguenther@suse.de>
3659
3660         * tree-vrp.c (get_single_symbol): Add assert that we don't
3661         get overflowed constants as invariant part.
3662         (compare_values_warnv): Add comment before the TREE_NO_WARNING
3663         checks.  Use wi::cmp instead of recursing for integer constants.
3664         (compare_values): Just ignore whether we assumed undefined
3665         overflow instead of failing the compare.
3666         (extract_range_for_var_from_comparison_expr): Add comment before the
3667         TREE_NO_WARNING sets.
3668         (test_for_singularity): Likewise.
3669         (extract_range_from_comparison): Do not disable optimization
3670         when we assumed undefined overflow.
3671         (extract_range_basic): Remove init of unused var.
3672
3673 2017-05-09  Richard Biener  <rguenther@suse.de>
3674
3675         * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
3676         (extract_range_from_multiplicative_op_1): Adjust.
3677         (extract_range_from_binary_expr_1): Use int_const_binop.
3678
3679 2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3680
3681         PR target/80101
3682         * config/rs6000/power6.md: Replace store_data_bypass_p calls with
3683         rs6000_store_data_bypass_p in seven define_bypass directives and
3684         in several comments.
3685         * config/rs6000/rs6000-protos.h: Add prototype for
3686         rs6000_store_data_bypass_p function.
3687         * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
3688         function implements slightly different (rs6000-specific) semantics
3689         than store_data_bypass_p, returning false rather than aborting
3690         with assertion error when arguments do not satisfy the
3691         requirements of store data bypass.
3692         (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
3693         rs6000_store_data_bypass_p.
3694
3695 2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
3696
3697         * config/xtensa/xtensa-protos.h
3698         (xtensa_initial_elimination_offset): New declaration.
3699         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
3700         New function. Move its body from the INITIAL_ELIMINATION_OFFSET
3701         macro definition, add case for FRAME_POINTER_REGNUM when
3702         FRAME_GROWS_DOWNWARD.
3703         * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
3704         (INITIAL_ELIMINATION_OFFSET): Replace body with call to
3705         xtensa_initial_elimination_offset.
3706
3707 2017-05-08  Nathan Sidwell  <nathan@acm.org>
3708
3709         * doc/invoke.texi: Alphabetize -fdump options.
3710
3711 2017-05-08  Martin Sebor  <msebor@redhat.com>
3712
3713         PR translation/80280
3714         * config/sol2-c.c (solaris_pragma_align): Correct quoting.
3715
3716 2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3717
3718         * target.def (compute_frame_layout): New optional target hook.
3719         * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
3720         * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
3721         * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
3722         target hook.
3723         * reload1.c (verify_initial_elim_offsets): Likewise.
3724         * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
3725         (use_simple_return_p): Call arm_compute_frame_layout if needed.
3726         (arm_get_frame_offsets): Split up into this ...
3727         (arm_compute_frame_layout): ... and this function.
3728
3729 2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>
3730
3731         * config/aarch64/constraints.md (Usa): New constraint.
3732         * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.
3733
3734 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3735
3736         * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
3737         with_multilib_list after it has been checked.
3738
3739 2017-05-08  Richard Biener  <rguenther@suse.de>
3740
3741         * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
3742         (bitmap_set_subtract_values): Likewise.
3743
3744 2017-05-08  Richard Biener  <rguenther@suse.de>
3745
3746         * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
3747         (gimple_assign_nonzero): ... this and remove strict_overflow_p
3748         argument.
3749         (gimple_stmt_nonzero_warnv_p): Rename to ...
3750         (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
3751         argument.
3752         (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
3753         (extract_range_basic): Adjust, do not disable propagation on
3754         strict overflow sensitive simplification.
3755         (vrp_visit_cond_stmt): Likewise.
3756
3757 2017-05-05  Jan Hubicka  <hubicka@ucw.cz>
3758
3759         * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
3760         body size unconditionally.
3761
3762 2017-05-07  Jeff Law  <law@redhat.com>
3763
3764         Revert:
3765         2017-05-06  Jeff Law  <law@redhat.com>
3766         PR tree-optimization/78496
3767         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
3768         code.
3769
3770         PR tree-optimization/78496
3771         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
3772         (simplify_stmt_using_ranges): Call it.
3773         (vrp_dom_walker::before_dom_children): Extract equivalences
3774         from an ASSERT_EXPR with an equality comparison against a
3775         constant.
3776
3777 2017-05-06  Jeff Law  <law@redhat.com>
3778
3779         PR tree-optimization/78496
3780         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
3781         code.
3782
3783         PR tree-optimization/78496
3784         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
3785         (simplify_stmt_using_ranges): Call it.
3786         (vrp_dom_walker::before_dom_children): Extract equivalences
3787         from an ASSERT_EXPR with an equality comparison against a
3788         constant.
3789
3790 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
3791
3792         * lra-constraints.c (lra_copy_reg_equiv): New function.
3793         (split_reg): Use it to copy equivalence information from the
3794         original register to the spill register.
3795
3796 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
3797
3798         PR rtl-optimization/75964
3799         * simplify-rtx.c (simplify_const_relational_operation): Remove
3800         invalid handling of comparisons of integer ABS.
3801
3802 2017-05-06  Uros Bizjak  <ubizjak@gmail.com>
3803
3804         * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
3805         initialize to zero.
3806         (init_regs): Remove declaration.
3807         (function_arg_advance_32): Initialize error_p as boolean variable.
3808
3809 2017-05-05  Nathan Sidwell  <nathan@acm.org>
3810
3811         * store-motion.c (remove_reachable_equiv_notes): Reformat long
3812         lines.  Use for (;;).
3813
3814 2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3815
3816         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
3817         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
3818         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
3819         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
3820         VF=2 that require versioning.
3821
3822 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3823
3824         * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
3825         int.
3826
3827 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3828
3829         * diagnostic.h (diagnostic_override_option_index): Convert from
3830         macro to inline function.
3831
3832 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3833
3834         * diagnostic.c (last_module_changed_p): New function.
3835         (set_last_module): New function.
3836         (diagnostic_report_current_module): Convert macro usage to
3837         the above functions.
3838         * diagnostic.h (diagnostic_context::last_module): Strengthen
3839         from const line_map * to const line_map_ordinary *.
3840         (diagnostic_last_module_changed): Delete macro.
3841         (diagnostic_set_last_module): Delete macro.
3842
3843 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3844
3845         * diagnostic.c (diagnostic_impl): Replace report_diagnostic
3846         with diagnostic_report_diagnostic.
3847         (diagnostic_n_impl_richloc): Likewise.
3848         * diagnostic.h (report_diagnostic): Delete macro.
3849         * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
3850         with diagnostic_report_diagnostic.
3851         * substring-locations.c (format_warning_va): Likewise.
3852
3853 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3854
3855         * diagnostic.c (diagnostic_report_diagnostic): Eliminate
3856         save/restor of format_spec.  Move option-printing code to...
3857         (print_option_information): ...this new function, and
3858         reimplement by simply printing to the pretty_printer,
3859         rather than appending to the format string.
3860
3861 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3862
3863         * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
3864         handling logic into...
3865         (update_effective_level_from_pragmas): ...this new function.
3866
3867 2017-05-04  Andrew Waterman  <andrew@sifive.com>
3868
3869         * config/riscv/riscv.opt (mstrict-align): New option.
3870         * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
3871         (SLOW_UNALIGNED_ACCESS): Define.
3872         (riscv_slow_unaligned_access): Declare.
3873         * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
3874         field.
3875         (riscv_slow_unaligned_access): New variable.
3876         (rocket_tune_info): Set slow_unaligned_access to true.
3877         (optimize_size_tune_info): Set slow_unaligned_access to false.
3878         (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
3879         (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
3880         (riscv_option_override): Set riscv_slow_unaligned_access.
3881         * doc/invoke.texi: Add -mstrict-align to RISC-V.
3882
3883 2017-05-04  Kito Cheng  <kito.cheng@gmail.com>
3884
3885         * config/riscv/riscv.md: Unify indentation.
3886
3887 2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
3888
3889         PR target/79038
3890         PR target/79202
3891         PR target/79203
3892         * config/rs6000/rs6000.md (u code attribute): Add FIX and
3893         UNSIGNED_FIX.
3894         (extendsi<mode>2): Add support for doing sign extension via
3895         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
3896         don't have ISA 3.0 instructions.
3897         (extendsi<mode>2 splitter): Likewise.
3898         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
3899         generate the normal insns since SImode can now go in vector
3900         registers.  Disallow the special UNSPECs needed for previous
3901         machines to hide SImode being used.  Add new insns
3902         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
3903         (fix_trunc<mode>si2_stfiwx): Likewise.
3904         (fix_trunc<mode>si2_internal): Likewise.
3905         (fixuns_trunc<mode>si2): Likewise.
3906         (fixuns_trunc<mode>si2_stfiwx): Likewise.
3907         (fctiw<u>z_<mode>_smallint): Likewise.
3908         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
3909         of floating point to 32-bit integer from doing a direct move to
3910         the GPR registers to do a store.
3911         (fctiwz_<mode>): Break long line.
3912
3913 2017-05-05  Bin Cheng  <bin.cheng@arm.com>
3914
3915         * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
3916         * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
3917         (addr_list, addr_offset_valid_p): New.
3918         (split_address_groups): Check offset validity with above function.
3919         (gt-tree-ssa-loop-ivopts.h): Include header file.
3920
3921 2017-05-05  Nathan Sidwell  <nathan@acm.org>
3922
3923         * config.gcc (arm*-*-*): Add missing 'fi'.
3924
3925 2017-05-05  Steve Ellcey  <sellcey@cavium.com>
3926
3927         * doc/invoke.texi (-fopt-info): Explicitly say order of options
3928         included in -fopt-info does not matter.
3929         * doc/optinfo.texi (-fopt-info): Fix description of default
3930         behavour. Explicitly say order of options included in -fopt-info
3931         does not matter.
3932
3933 2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3934
3935         * config.gcc: Allow combinations of aprofile and rmprofile values for
3936         --with-multilib-list.
3937         * config/arm/t-multilib: New file.
3938         * config/arm/t-aprofile: Remove initialization of MULTILIB_*
3939         variables.  Remove setting of ISA and floating-point ABI in
3940         MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
3941         MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
3942         and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
3943         matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
3944         CPU options.
3945         * config/arm/t-rmprofile: Likewise except for the matches changes.
3946         * doc/install.texi (--with-multilib-list): Document the combination of
3947         aprofile and rmprofile values and warn about pitfalls in doing that.
3948
3949 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
3950
3951         * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
3952         (movdi_aarch64): Likewise.
3953
3954 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
3955
3956         PR tree-optimization/80632
3957         * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
3958         field.
3959         (build_arrays): Initialize it for virtual phis.
3960         (fix_phi_nodes): Use it for virtual phis.
3961
3962         PR tree-optimization/80558
3963         * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
3964         [x, y] op z into [x op, y op z] for op & or | if conditions
3965         are met.
3966
3967 2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
3968             Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
3969
3970         PR target/71607
3971         * config/arm/arm.md (use_literal_pool): Remove.
3972         (64-bit immediate split): No longer takes cost into consideration
3973         if arm_disable_literal_pool is enabled.
3974         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
3975         used when arm_disable_literal_pool is enabled.
3976         (arm_max_const_double_inline_cost): Remove use of
3977         arm_disable_literal_pool.
3978         (push_minipool_fix): Add assert.
3979         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
3980         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
3981         (no_literal_pool_sf_immediate): New.
3982
3983 2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3984
3985         PR tree-optimization/80613
3986         * tree-ssa-dce.c (propagate_necessity): Remove cases for
3987         BUILT_IN_STRDUP and BUILT_IN_STRNDUP.
3988
3989 2017-05-05  Richard Biener  <rguenther@suse.de>
3990
3991         * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.
3992
3993 2017-05-05  Georg-Johann Lay  <avr@gjlay.de>
3994
3995         * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
3996         of this flag from insn conditions due to removal from r247495.
3997
3998 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
3999
4000         * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
4001         New function.
4002         (arm_early_store_addr_dep_ptr): Likewise.
4003         * config/arm/aarch-common-protos.h
4004         (arm_early_load_addr_dep_ptr): Add prototype.
4005         (arm_early_store_addr_dep_ptr): Likewise.
4006         * config/arm/cortex-a53.md: Add new bypasses.
4007
4008 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
4009
4010         * tree.c (next_type_uid): Change type to unsigned.
4011         (type_hash_canon): Decrement back next_type_uid if
4012         freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
4013         also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
4014         if possible.
4015
4016 2017-05-04  Martin Sebor  <msebor@redhat.com>
4017
4018         * builtins.c: Fix a trivial typo in a comment.
4019
4020         PR middle-end/79234
4021         * builtins.c (check_sizes): Adjust to handle reading past the end.
4022         Avoid printing excessive upper bound of ranges.  Use %E to print
4023         tree nodes instead of converting them to %wu.
4024         (expand_builtin_memchr): New function.
4025         (compute_dest_size): Rename...
4026         (compute_objsize): ...to this.
4027         (expand_builtin_memcpy): Adjust.
4028         (expand_builtin_mempcpy): Adjust.
4029         (expand_builtin_strcat): Adjust.
4030         (expand_builtin_strcpy): Adjust.
4031         (check_strncat_sizes): Adjust.
4032         (expand_builtin_strncat): Adjust.
4033         (expand_builtin_strncpy): Adjust and simplify.
4034         (expand_builtin_memset): Adjust.
4035         (expand_builtin_bzero): Adjust.
4036         (expand_builtin_memcmp): Adjust.
4037         (expand_builtin): Handle memcmp.
4038         (maybe_emit_chk_warning): Check strncat just once.
4039
4040 2017-05-04  Martin Sebor  <msebor@redhat.com>
4041
4042         PR preprocessor/79214
4043         PR middle-end/79222
4044         PR middle-end/79223
4045         * builtins.c (check_sizes): Add inlining context and issue
4046         warnings even when -Wno-system-headers is set.
4047         (check_strncat_sizes): Same.
4048         (expand_builtin_strncat): Same.
4049         (expand_builtin_memmove): New function.
4050         (expand_builtin_stpncpy): Same.
4051         (expand_builtin): Handle memmove and stpncpy.
4052
4053 2017-05-04  Bin Cheng  <bin.cheng@arm.com>
4054
4055         * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
4056         which is not used any more.
4057
4058 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
4059
4060         * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.
4061
4062 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
4063
4064         * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
4065         (cortexa53_tunings): Likewise.
4066         (cortexa57_tunings): Likewise.
4067         (cortexa72_tunings): Likewise.
4068         (cortexa73_tunings): Likewise.
4069
4070 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
4071
4072         * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
4073         Set loop alignment to 8.
4074
4075 2017-05-04  Martin Sebor  <msebor@redhat.com>
4076
4077         PR translation/80280
4078         * builtins.c (expand_builtin_object_size): Add missing quoting to
4079         %D and like directives.
4080         * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
4081         (hsa_type_for_tree_type): Same.
4082         (verify_function_arguments): Same.
4083         * symtab.c (symbol_table::change_decl_assembler_name): Same.
4084         * varasm.c (get_section): Same.
4085         (mark_weak): Same.
4086
4087 2017-05-04  Martin Sebor  <msebor@redhat.com>
4088
4089         PR translation/80280
4090         * config/i386/i386.c (ix86_function_versions): Quote a %D directive.
4091
4092 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
4093
4094         * config/aarch64/aarch64.c (generic_addrcost_table):
4095         Change HI/TI mode setting.
4096
4097 2017-05-04  Martin Jambor  <mjambor@suse.cz>
4098
4099         PR tree-optimization/80622
4100         * tree-sra.c (comes_initialized_p): New function.
4101         (build_accesses_from_assign): Only set write lazily when
4102         comes_initialized_p is false.
4103         (analyze_access_subtree): Use comes_initialized_p.
4104         (propagate_subaccesses_across_link): Assert !comes_initialized_p
4105         instead of testing for PARM_DECL.
4106
4107 2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4108
4109         * config/aarch64/aarch64.md (prefetch); Adjust predicate and
4110         constraint on operand 0 to allow more general addressing modes.
4111         Adjust output template.
4112         * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
4113         New function.
4114         * config/aarch64/aarch64-protos.h
4115         (aarch64_address_valid_for_prefetch_p): Declare prototype.
4116         * config/aarch64/constraints.md (Dp): New address constraint.
4117         * config/aarch64/predicates.md (aarch64_prefetch_operand): New
4118         predicate.
4119
4120 2017-05-04  Jan Hubicka  <hubicka@ucw.cz>
4121
4122         * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
4123         update use of estimate_ipcp_clone_size_and_time.
4124         (estimate_local_effects): Update use of
4125         estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
4126         * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
4127         * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
4128         Return nonspecialized time.
4129
4130 2017-05-04  Richard Biener  <rguenther@suse.de>
4131
4132         * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
4133         for the last VUSE which def dominates the PHI.  Directly call
4134         maybe_skip_until.
4135         (get_continuation_for_phi_1): Remove.
4136
4137 2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>
4138
4139         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
4140         to explain the use of truncating division.  Cap the number of
4141         iterations to the maximum given by nb_iterations_upper_bound,
4142         if defined.
4143
4144 2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4145
4146         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
4147         * configure: Regenerate.
4148         * config.in: Regenerate.
4149         * config/i386/driver-mingw32.c: new file.
4150         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
4151         * config.host: Link driver-mingw32.o on MinGW host.
4152         * doc/install.texi: Document new --enable-mingw-wildcard configure
4153         option.
4154
4155 2017-05-04  Marek Polacek  <polacek@redhat.com>
4156
4157         PR tree-optimization/80612
4158         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
4159
4160 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
4161             Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
4162
4163         * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
4164         (movt splitter): Likewise.
4165         * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
4166         to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
4167         (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
4168         block for Thumb-1 with MOVT.
4169         (thumb2_legitimate_address_p): Move code block ...
4170         (can_avoid_literal_pool_for_label_p): ... into this new function.
4171         (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
4172         literal pool.
4173         (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
4174         * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
4175         "M-profile targets with the MOVT instruction".
4176
4177 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
4178
4179         * gcc/config/arm/arm-builtins.c (arm_init_builtins): Rename
4180         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
4181         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
4182
4183 2017-05-04  Martin Liska  <mliska@suse.cz>
4184
4185         * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
4186         variable cond_code.
4187
4188 2017-05-04  Richard Biener  <rguenther@suse.de>
4189
4190         * tree.c (array_at_struct_end_p): Handle arrays at struct
4191         end with flexarrays more conservatively.  Refactor and treat
4192         arrays of arrays or aggregates more strict.  Fix
4193         VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
4194         * tree.c (array_at_struct_end_p): Adjust prototype.
4195         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
4196         * gimple-fold.c (get_range_strlen): Likewise.
4197         * tree-chkp.c (chkp_may_narrow_to_field): Likewise.
4198
4199 2017-05-04  Richard Biener  <rguenther@suse.de>
4200
4201         PR tree-optimization/31130
4202         * tree-vrp.c (needs_overflow_infinity): Remove as always returning
4203         false.
4204         (supports_overflow_infinity): Likewise.
4205         (is_negative_overflow_infinity): Likewise.
4206         (is_positive_overflow_infinity): Likewise.
4207         (is_overflow_infinity): Likewise.
4208         (stmt_overflow_infinity): Likewise.
4209         (overflow_infinity_range_p): Likewise.
4210         (usable_range_p): Remove as always returning true.
4211         (make_overflow_infinity): Remove.
4212         (negative_overflow_infinity): Likewise.
4213         (positive_overflow_infinity): Likewise.
4214         (avoid_overflow_infinity): Likewise.
4215         (set_value_range): Adjust accordingly.
4216         (set_value_range_to_nonnegative): Likewise, remove now unused
4217         overflow_infinity arg.
4218         (vrp_operand_equal_p): Adjust.
4219         (update_value_range): Likewise.
4220         (range_int_cst_singleton_p): Likewise.
4221         (operand_less_p): Likewise.
4222         (compare_values_warnv): Likewise.
4223         (extract_range_for_var_from_comparison_expr): Likewise.
4224         (vrp_int_const_binop): Likewise.
4225         (zero_nonzero_bits_from_vr): Likewise.
4226         (extract_range_from_multiplicative_op_1): Likewise.
4227         (extract_range_from_binary_expr_1): Likewise.
4228         (extract_range_from_unary_expr): Likewise.
4229         (extract_range_from_comparison): Likewise.
4230         (extract_range_basic): Likewise.
4231         (adjust_range_with_scev): Likewise.
4232         (compare_ranges): Likewise.
4233         (compare_range_with_value): Likewise.
4234         (dump_value_range): Likewise.
4235         (test_for_singularity): Likewise, remove strict_overflow_p parameter
4236         never used.
4237         (simplify_cond_using_ranges): Adjust.
4238
4239 2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
4240
4241         * brig-builtins.def: Added a builtin for class_f64.
4242         * builtin-types.def: Added a builtin type needed by class_f64.
4243
4244 2017-05-03  Jason Merrill  <jason@redhat.com>
4245
4246         * timevar.def: Add TV_CONSTEXPR.
4247
4248 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
4249
4250         * common.opt (fdiagnostics-parseable-fixits): Fix typo.
4251
4252 2017-05-03  Martin Jambor  <mjambor@suse.cz>
4253
4254         * ipa-prop.c (ipa_update_after_lto_read): Removed.
4255         * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
4256         * ipa-cp.c (ipcp_propagate_stage): Do not call
4257         ipa_update_after_lto_read.
4258         * ipa-inline.c (ipa_inline): Likewise.
4259
4260 2017-05-03  Martin Jambor  <mjambor@suse.cz>
4261
4262         * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
4263         tag.  Added a default constructor and a destructor.
4264         (ipa_edge_args_sum_t): New class;
4265         (ipa_edge_args_sum): Declare.
4266         (ipa_edge_args_vector): Remove declaration.
4267         (IPA_EDGE_REF): Use ipa_edge_args_sum.
4268         (ipa_free_edge_args_substructures): Remove declaration.
4269         (ipa_check_create_edge_args): Use ipa_edge_args_sum.
4270         (ipa_edge_args_info_available_for_edge_p): Likewise.
4271         * ipa-prop.c (ipa_edge_args_vector): Removed.
4272         (edge_removal_hook_holder): Likewise.
4273         (edge_duplication_hook_holder): Likewise.
4274         (ipa_edge_args_sum): New variable.
4275         (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
4276         ipa_edge_args_vector.
4277         (ipa_free_edge_args_substructures): Likewise.
4278         (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
4279         ipa_edge_args_vector.
4280         (ipa_edge_removal_hook): Turned into method
4281         ipa_edge_args_sum_t::remove.
4282         (ipa_edge_duplication_hook): Turned into method
4283         ipa_edge_args_sum_t::duplicate.
4284         (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
4285         registering edge hooks.
4286         (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
4287         * ipa-inline-analysis.c (estimate_function_body_sizes): Test
4288         ipa_edge_args_sum instead of ipa_edge_args_vector.
4289         * ipa-profile.c (ipa_profile): Likewise.
4290
4291 2017-05-03  Martin Jambor  <mjambor@suse.cz>
4292
4293         * symbol-summary.h (function_summary): New method exists.
4294         (function_summary::symtab_removal): Deallocate through release.
4295         (call_summary): New class.
4296         (gt_ggc_mx): New overload.
4297         (gt_pch_nx): Likewise.
4298         (gt_pch_nx): Likewise.
4299
4300 2017-05-03  Jeff Law  <law@redhat.com>
4301
4302         PR tree-optimization/78496
4303         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
4304         from simplify_cond_using_ranges.  Split off code to walk
4305         backwards through casts into ...
4306         (simplify_cond_using_ranges_2): New function.
4307         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
4308         (execute_vrp): After identifying jump threads, call
4309         simplify_cond_using_ranges_2.
4310
4311 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
4312
4313         PR bootstrap/80609
4314         * ipa-inline.h (inline_summary): Add ctor.
4315         (create_ggc): Do not use ggc_cleared_alloc.
4316
4317 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
4318             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4319
4320         * gcc.c (handle_braces): Support escaping in switch matching
4321         text.
4322         * doc/invoke.texi (Spec Files): Document it.
4323         Remove superfluous @code markup in items.
4324
4325 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
4326
4327         * diagnostic-show-locus.c (struct column_range): New struct.
4328         (get_affected_columns): New function.
4329         (get_printed_columns): New function.
4330         (struct correction): New struct.
4331         (correction::ensure_capacity): New function.
4332         (correction::ensure_terminated): New function.
4333         (struct line_corrections): New struct.
4334         (line_corrections::~line_corrections): New dtor.
4335         (line_corrections::add_hint): New function.
4336         (layout::print_trailing_fixits): Reimplement in terms of the new
4337         classes.
4338         (selftest::test_overlapped_fixit_printing): New function.
4339         (selftest::diagnostic_show_locus_c_tests): Call it.
4340
4341 2017-05-03  Nathan Sidwell  <nathan@acm.org>
4342
4343         Canonicalize canonical type hashing
4344         * tree.h (type_hash_canon_hash): Declare.
4345         * tree.c (type_hash_list, attribute_hash_list): Move into
4346         type_hash_canon_hash.
4347         (build_type_attribute_qual_variant): Break out hash code calc into
4348         type_hash_canon_hash.
4349         (type_hash_canon_hash): New.  Generic type hash computation.
4350         (build_range_type_1, build_array_type_1, build_function_type,
4351         build_method_type_directly, build_offset_type, build_complex_type,
4352         make_vector_type): Call it.
4353
4354 2017-05-03  Richard Biener  <rguenther@suse.de>
4355
4356         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
4357         When all DRs have unknown misaligned do not always peel
4358         when there is a store but apply the same costing model as if
4359         there were only loads.
4360
4361 2017-05-03  Richard Biener  <rguenther@suse.de>
4362
4363         Revert
4364         PR tree-optimization/80492
4365         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
4366         compare_base_decls returning dont-know properly.
4367
4368 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4369
4370         * config/arm/iterators.md (CCSI): New mode iterator.
4371         (arch): New mode attribute.
4372         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
4373         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
4374         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
4375         code iterator for success result mode.
4376         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
4377         the corresponding new insn generators.
4378
4379 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
4380
4381         Revert r247509
4382         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4383         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
4384
4385 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
4386
4387         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
4388         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
4389         (DDR_A): Wrap DDR argument in brackets.
4390         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
4391         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
4392         (DDR_REVERSED_P): Likewise.
4393
4394 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
4395
4396         PR tree-optimization/79472
4397         * tree-switch-conversion.c (struct switch_conv_info): Add
4398         contiguous_range and default_case_nonstandard fields.
4399         (collect_switch_conv_info): Compute contiguous_range and
4400         default_case_nonstandard fields, don't clear final_bb if
4401         contiguous_range and only the default case doesn't have the required
4402         structure.
4403         (check_all_empty_except_final): Set default_case_nonstandard instead
4404         of failing if contiguous_range and the default case doesn't have empty
4405         block.
4406         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
4407         and only the default case doesn't have the required constants.  Skip
4408         virtual phis.
4409         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
4410         if default_case_nonstandard.
4411         (build_constructors): Build constant 1 just once.  Assert that default
4412         values aren't inserted in between cases if contiguous_range.  Skip
4413         virtual phis.
4414         (build_arrays): Skip virtual phis.
4415         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
4416         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
4417         Handle virtual phis.
4418         (gen_inbound_check): Handle default_case_nonstandard case.
4419         (process_switch): Adjust check_final_bb caller.  Call
4420         gather_default_values with the first non-default case instead of
4421         default case if default_case_nonstandard.
4422
4423 2017-05-02  Nathan Sidwell  <nathan@acm.org>
4424
4425         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
4426         check.  Fix formatting.
4427
4428 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
4429
4430         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
4431         errors when comparing specialized and unspecialized times.
4432
4433 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
4434
4435         * diagnostic-show-locus.c
4436         (layout::should_print_annotation_line_p): Make private.
4437         (layout::print_annotation_line): Make private.
4438         (layout::annotation_line_showed_range_p): Make private.
4439         (layout::show_ruler): Make private.
4440         (layout::print_source_line): Make private.  Pass in line and
4441         line_width, rather than calling location_get_source_line.  Drop
4442         returned value.
4443         (layout::print_leading_fixits): New method.
4444         (layout::print_any_fixits): Rename to...
4445         (layout::print_trailing_fixits): ...this, and make private.
4446         Don't print newline fixits.
4447         (diagnostic_show_locus): Move logic for printing one row into...
4448         (layout::print_line): ...this new function.  Move the
4449         location_get_source_line call and error-handling from
4450         print_source_line to here.  Call print_leading_fixits, and rename
4451         print_any_fixits to print_trailing_fixits.
4452         (selftest::test_fixit_insert_containing_newline): Update now that
4453         newlines are partially supported.
4454         (selftest::test_fixit_insert_containing_newline_2): New test.
4455         (selftest::test_fixit_replace_containing_newline): Update comments.
4456         (selftest::diagnostic_show_locus_c_tests): Call the new test.
4457         * edit-context.c (class added_line): New class.
4458         (class edited_line): Describe newline handling in comment.
4459         (edited_line::actually_edited_p): New method.
4460         (edited_line::print_content): Delete redundant decl.
4461         (edited_line::m_predecessors): New field.
4462         (edited_file::print_content): Call edited_line::print_content.
4463         (edited_file::print_diff): Update to support newlines.
4464         (edited_file::print_diff_hunk): Likewise.
4465         (edited_file::print_run_of_changed_lines): New function.
4466         (edited_file::print_diff_line): Convert to...
4467         (print_diff_line): ...this.
4468         (edited_file::get_effective_line_count): New function.
4469         (edited_line::edited_line): Initialize new field m_predecessors.
4470         (edited_line::~edited_line): Clean up m_predecessors.
4471         (edited_line::apply_fixit): Handle newlines.
4472         (edited_line::get_effective_line_count): New function.
4473         (edited_line::print_content): New function.
4474         (edited_line::print_diff_lines): New function.
4475         (selftest::test_applying_fixits_insert_containing_newline): New
4476         test.
4477         (selftest::test_applying_fixits_replace_containing_newline): New
4478         test.
4479         (selftest::insert_line): New function.
4480         (selftest::test_applying_fixits_multiple_lines): Add example of
4481         inserting a line.
4482         (selftest::edit_context_c_tests): Call the new tests.
4483
4484 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4485
4486         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
4487         parameter cand.  Update dump information.
4488         (get_computation_cost): Update uses.
4489
4490 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4491
4492         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
4493         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
4494         (get_computation_at, rewrite_use_address): Update use of
4495         get_computation_aff.
4496
4497 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4498
4499         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
4500         (get_computation): Delete.
4501         (get_computation_cost): Implement like get_computation_cost_at.
4502         Use get_computation_at.
4503         (get_computation_cost_at): Delete.
4504         (rewrite_use_nonlinear_expr): Use get_computation_at.
4505         (rewrite_use_compare, remove_unused_ivs): Ditto.
4506
4507 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4508
4509         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
4510
4511 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4512
4513         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
4514         (ivopts_global_cost_for_size): Rename parameter and update uses.
4515         (iv_ca_recount_cost): Update uses.
4516         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
4517         candidates seperately in n_invs and n_cands.
4518         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
4519
4520 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4521
4522         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
4523         (find_inv_vars_cb): New.
4524         (find_depends): Renamed to ...
4525         (find_inv_vars): ... this.
4526         (add_candidate_1, force_var_cost): Call find_inv_vars.
4527         (split_address_cost, determine_group_iv_cost_cond): Ditto.
4528
4529 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4530
4531         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
4532         inv_vars.  Add inv_exprs.
4533         (struct iv_cand): Rename depends_on to inv_vars.
4534         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
4535         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
4536         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
4537         (dump_cand): Dump inv_vars.
4538         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
4539         (record_invariant, find_depends, add_candidate_1): Ditto.
4540         (set_group_iv_cost, force_var_cost): Ditto.
4541         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
4542         (get_computation_cost_at, get_computation_cost): Ditto.
4543         (determine_group_iv_cost_generic): Ditto.
4544         (determine_group_iv_cost_address): Ditto.
4545         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
4546         (determine_group_iv_costs): Ditto.
4547         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
4548         (iv_ca_set_remove_invariants): Renamed to ...
4549         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
4550         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
4551         (iv_ca_set_add_invariants):  Renamed to ...
4552         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
4553         (iv_ca_set_cp): Use iv_ca_set_add_invs.
4554         (iv_ca_has_deps): Support inv_vars and inv_exprs.
4555         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
4556         (create_new_ivs): Remove useless dump.
4557
4558 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4559
4560         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
4561         iv_cand code.
4562         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
4563         (iv_ca_set_no_cp, create_new_iv): Ditto.
4564
4565 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4566
4567         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
4568
4569 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
4570
4571         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
4572         function tree_check2.
4573
4574 2017-05-02  Martin Liska  <mliska@suse.cz>
4575
4576         * doc/gcov.texi: Add missing preposition.
4577         * gcov.c (function_info::function_info): Properly fill up
4578         all member variables.
4579
4580 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
4581
4582         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
4583
4584 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
4585
4586         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
4587
4588 2017-05-02  Martin Liska  <mliska@suse.cz>
4589
4590         PR lto/77954.
4591         * lto-streamer-in.c (lto_read_tree_1): Remove
4592         LTO_STREAMER_DEBUG.
4593         * lto-streamer.c (struct tree_hash_entry): Likewise.
4594         (struct tree_entry_hasher): Likewise.
4595         (tree_entry_hasher::hash): Likewise.
4596         (tree_entry_hasher::equal): Likewise.
4597         (lto_streamer_init): Likewise.
4598         (lto_orig_address_map): Likewise.
4599         (lto_orig_address_get): Likewise.
4600         (lto_orig_address_remove): Likewise.
4601         * lto-streamer.h: Likewise.
4602         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
4603         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
4604
4605 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
4606
4607         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
4608         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
4609         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
4610         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
4611         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
4612         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
4613         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
4614         (mm_maskz_sub_ss): New intrinsics.
4615         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
4616         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
4617         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
4618         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
4619         (__builtin_ia32_subss_mask_round): New builtins.
4620         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
4621         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
4622         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
4623         Renamed to ...
4624         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
4625         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
4626         Changed to ...
4627         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
4628         ... this.
4629
4630 2017-05-02  Martin Jambor  <mjambor@suse.cz>
4631
4632         PR tree-optimization/78687
4633         * tree-sra.c (access): New field parent.
4634         (process_subtree_disqualification): New function.
4635         (disqualify_candidate): Call it.
4636         (build_accesses_from_assign): Reset write flag if creating an
4637         assighnment link.
4638         (build_access_subtree): Fill in parent field and also prpagate
4639         down grp_write flag.
4640         (create_artificial_child_access): New parameter set_grp_write, set
4641         grp_write to its value.
4642         (propagate_subaccesses_across_link): Also propagate grp_write flag
4643         values.
4644         (propagate_all_subaccesses): Push the closest parent back to work
4645         queue if add_access_to_work_queue returned true.
4646
4647 2017-05-02  Richard Biener  <rguenther@suse.de>
4648
4649         * common.opt (fstrict-overflow): Alias negative to fwrapv.
4650         * doc/invoke.texi (fstrict-overflow): Remove all traces of
4651         -fstrict-overflow documentation.
4652         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
4653         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
4654         flag_strict_overflow.
4655         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
4656         * lto-opts.c (lto_write_options): Do not stream it.
4657         * lto-wrapper.c (merge_and_complain): Do not handle it.
4658         * opts.c (default_options_table): Do not set -fstrict-overflow.
4659         (finish_options): Likewise do not clear it when sanitizing.
4660         * simplify-rtx.c (simplify_const_relational_operation): Do not
4661         test flag_strict_overflow.
4662
4663 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
4664
4665         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
4666         using enabled attribute.
4667         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
4668         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
4669         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
4670         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
4671         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
4672         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
4673         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
4674         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
4675         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
4676         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
4677
4678 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
4679
4680         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
4681
4682 2017-05-02  Richard Biener  <rguenther@suse.de>
4683
4684         PR tree-optimization/80591
4685         Revert
4686         2017-04-10  Richard Biener  <rguenther@suse.de>
4687
4688         * tree-ssa-structalias.c (find_func_aliases): Properly handle
4689         asm inputs.
4690
4691 2017-05-02  Richard Biener  <rguenther@suse.de>
4692
4693         PR tree-optimization/80549
4694         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
4695         (cleanup_tree_cfg_noloop): Create forwarders to known loop
4696         headers if they do not have a preheader.
4697
4698 2017-05-02  Martin Liska  <mliska@suse.cz>
4699
4700         PR other/80589
4701         * common.opt: Fix typo.
4702         * doc/invoke.texi: Likewise.
4703
4704 2017-05-01  Jan Beulich  <jbeulich@suse.com>
4705
4706         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
4707         swapping, add (x,x,m,x,n) alternative.
4708
4709 2017-05-01  Nathan Sidwell  <nathan@acm.org>
4710
4711         * calls.c (combine_pending_stack_adjustment_and_call): Remove
4712         unnecessary unadjusted_alignment check.
4713
4714 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
4715
4716         PR c++/80038
4717         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
4718         operations here.
4719         * gimplify.c (gimplify_cilk_detach): New function.
4720         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
4721         * tree-core.h: Document EXPR_CILK_SPAWN.
4722         * tree.h (EXPR_CILK_SPAWN): Define.
4723
4724 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
4725
4726         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
4727         to use new fixit_hint representation, using the "replace" logic.
4728         (get_line_span_for_fixit_hint): Likewise.
4729         (layout::print_any_fixits): Likewise.
4730         (selftest::test_one_liner_many_fixits): Rename to...
4731         (selftest::test_one_liner_many_fixits_1): ...this, and update
4732         comment and expected output to reflect that the multiple fix-it
4733         hints are now consolidated into one insertion.
4734         (selftest::test_one_liner_many_fixits_2): New test.
4735         (selftest::test_diagnostic_show_locus_one_liner): Update for
4736         above.
4737         (selftest::test_fixit_consolidation): Update for fix-it API
4738         change.
4739         * diagnostic.c (print_parseable_fixits): Likewise.
4740         * edit-context.c (edited_line::m_line_events): Convert from
4741         auto_vec <line_event *> to auto_vec <line_event>.
4742         (class line_event): Convert from abstract base class to a concrete
4743         class, taking over the role of replace_event.
4744         (class insert_event): Delete.
4745         (class replace_event): Rename to class line_event.  Convert to
4746         half-open range.
4747         (edit_context::add_fixits): Reimplement.
4748         (edit_context::apply_insert): Delete.
4749         (edit_context::apply_replace): Rename to...
4750         (edit_context::apply_fixit): ...this.  Convert to half-open range.
4751         (edited_file::apply_insert): Delete.
4752         (edited_file::apply_replace): Rename to...
4753         (edited_file::apply_fixit): ...this.
4754         (edited_line::~edited_line): Drop deletion of events.
4755         (edited_line::apply_insert): Delete.
4756         (edited_line::apply_replace): Rename to...
4757         (edited_line::apply_fixit): ...this.  Convert to half-open range.
4758         Update for change to type of m_line_events.
4759         * edit-context.h (edit_context::apply_insert): Delete.
4760         (edit_context::apply_replace): Rename to...
4761         (edit_context::apply_fixit): ...this.
4762
4763 2017-05-01  Martin Sebor  <msebor@redhat.com>
4764
4765         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
4766         known.
4767
4768 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
4769
4770         PR target/68491
4771         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
4772         __get_cpuid_max returns 0.
4773         (__get_cpuid_count): Ditto.
4774
4775 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
4776
4777         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
4778         replacement expression is another instance of one of its arguments.
4779
4780 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
4781
4782         PR target/79430
4783         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
4784         check for stack push/pop autoinc.
4785         * config/i386/i386.c (ix86_agi_dependent): Return false
4786         if the only reason why modified_in_p returned true is that
4787         addr is SP based and set_insn is a push or pop.
4788
4789 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
4790
4791         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
4792         overflow check.
4793
4794 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
4795
4796         PR ipa/79224
4797         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
4798         (account_size_time): Use two predicates - exec_pred and
4799         nonconst_pred_ptr.
4800         (evaluate_conditions_for_known_args): Compute both clause and
4801         nonspec_clause.
4802         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
4803         (inline_summary_t::duplicate): Update.
4804         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
4805         separately.
4806         (compute_inline_parameters): Likewise.
4807         (estimate_edge_size_and_time): Update caluclation of time.
4808         (estimate_node_size_and_time): Compute both time and nonspecialized
4809         time.
4810         (estimate_ipcp_clone_size_and_time): Update.
4811         (inline_merge_summary): Update.
4812         (do_estimate_edge_time): Update.
4813         (do_estimate_edge_size): Update.
4814         (do_estimate_edge_hints): Update.
4815         (inline_read_section, inline_write_summary): Stream both new predicates.
4816         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
4817         as argument.
4818         (compute_inlined_call_time): Cleanup.
4819         (big_speedup_p): Update.
4820         (edge_badness): Update.
4821         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
4822         (size_time_entry): Replace predicate by exec_predicate and
4823         nonconst_predicate.
4824         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
4825         (estimate_edge_time): Return also nonspec_time.
4826         (reset_edge_growth_cache): Update.
4827
4828 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
4829
4830         PR rtl-optimization/80491
4831         * ifcvt.c (noce_process_if_block): When looking for x setter
4832         with missing else_bb, don't check only the insn right before
4833         cond_earliest, but look for the last insn that x is modified in
4834         within the same bb.
4835
4836         PR rtl-optimization/80491
4837         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
4838
4839 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
4840
4841         PR tree-optimization/80487
4842         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
4843
4844 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4845
4846         PR tree-optimization/79697
4847         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
4848         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
4849         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
4850         BUILT_IN_STRNDUP.
4851         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
4852         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
4853
4854 2017-04-28  Martin Sebor  <msebor@redhat.com>
4855
4856         PR tree-optimization/80523
4857         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
4858         (init_target_to_host_charmap, target_to_host, target_strtol10): New
4859         functions.
4860         (maybe_warn, format_directive, parse_directive): Use new functions.
4861         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
4862
4863 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
4864
4865         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
4866
4867 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4868
4869         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
4870         target_header_dir): Set correctly.
4871         * configure: Regenerated.
4872         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
4873         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
4874         instead of SYSTEM_HEADER_DIR.
4875
4876 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
4877
4878         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
4879         (estimate_local_effects): Likewise.
4880         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
4881         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
4882         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
4883         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
4884         do_estimate_edge_time, estimate_edge_time): Likewise.
4885         * ipa-inline-analysis.c (estimate_node_size_and_time,
4886         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
4887         (estimate_time_after_inlining): Remove.
4888
4889 2017-04-28  Martin Liska  <mliska@suse.cz>
4890
4891         * doc/gcov.texi: Enhance documentation of gcov.
4892
4893 2017-04-28  Martin Liska  <mliska@suse.cz>
4894
4895         * doc/gcov.texi: Sort options in alphabetic order.
4896         * doc/gcov-dump.texi: Likewise.
4897         * doc/gcov-tool.texi: Likewise.
4898         * gcov.c (print_usage): Likewise.
4899         * gcov-dump.c (print_usage): Likewise.
4900         * gcov-tool.c (print_merge_usage_message): Likewise.
4901         (print_rewrite_usage_message): Likewise.
4902         (print_overlap_usage_message): Likewise.
4903
4904 2017-04-28  Martin Liska  <mliska@suse.cz>
4905
4906         PR gcov-profile/53915
4907         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
4908
4909 2017-04-28  Martin Liska  <mliska@suse.cz>
4910
4911         PR gcov-profile/79891
4912         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
4913         is marked by compiler as living on a line.
4914         (get_cycles_count): Remove usage of the union.
4915         (output_intermediate_file): Likewise.
4916         (find_source): Fix GNU coding style.
4917         (accumulate_line_counts): Remove old non-all block mode.
4918         (output_lines): Remove usage of the union.
4919         * profile.c (output_location): Include all BBs, even if
4920         belonging to a same line (and file) as a previous BB.
4921
4922 2017-04-28  Martin Liska  <mliska@suse.cz>
4923
4924         * gcov.c (process_args): Handle new argument 'w'.
4925         (read_graph_file): Assign ID to BBs.
4926         (output_branch_count): Display BB # if verbose flag is set.
4927         (output_lines): Likewise for arcs.
4928         (print_usage): Add '--verbose' option help.
4929         * doc/gcov.texi: Document --verbose (-w) option.
4930
4931 2017-04-28  Martin Liska  <mliska@suse.cz>
4932
4933         * gcov.c (struct block_location_info): New struct.
4934         (process_file): Fill up the new structure.
4935         (read_graph_file): Replace usage of encoding by the newly added
4936         struct.
4937         (add_line_counts): Likewise.
4938         (accumulate_line_counts): Remove usage of the union.
4939         (function_info::function_info): New function.
4940         (function_info::~function_info): Likewise.
4941         (process_file): Call delete instead of release_function.
4942         (release_function): Release the function.
4943         (release_structures): Call delete instead of release_function.
4944         (solve_flow_graph): Replace usage of num_blocks.
4945         (find_exception_blocks): Likewise.
4946         (output_lines): Fix GNU coding style.
4947
4948 2017-04-28  Martin Liska  <mliska@suse.cz>
4949
4950         PR driver/56469
4951         * coverage.c (coverage_remove_note_file): New function.
4952         * coverage.h: Declare the function.
4953         * toplev.c (finalize): Clean if an error has been seen.
4954
4955 2017-04-28  Martin Liska  <mliska@suse.cz>
4956
4957         PR gcov-profile/80031
4958         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
4959         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
4960         * gcov.c (read_graph_file): Read just number of blocks.
4961         * profile.c (branch_prob): Do not stream 0 flags per a basic
4962         block.
4963
4964 2017-04-28  Martin Liska  <mliska@suse.cz>
4965
4966         * gcov-dump.c (tag_*): Add new argument to declarations.
4967         (dump_gcov_file): Likewise.
4968         (tag_blocks): Add and use new argument depth.
4969         (tag_arcs): Likewise.
4970         (tag_lines): Likewise.
4971         (tag_counters): Likewise.
4972         (tag_summary): Likewise.
4973         (dump_working_sets): Use depth to do a proper indentation.
4974
4975 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
4976
4977         PR bootstrap/80531
4978         * cgraph.h (symtab_node::debug_symtab): No longer inline.
4979         * symtab.c (symtab_node::debug_symtab): Move definition here.
4980
4981 2017-04-28  Richard Biener  <rguenther@suse.de>
4982
4983         * lto-streamer.h (LTO_major_version): Bump to 7.
4984
4985 2017-04-28  Richard Biener  <rguenther@suse.de>
4986
4987         * tree-vrp.c (assert_info): New struct.
4988         (add_assert_info): New helper.
4989         (register_edge_assert_for_2): Refactor to add asserts to a vector
4990         of assert_info.
4991         (register_edge_assert_for_1): Likewise.
4992         (register_edge_assert_for): Likewise.
4993         (finish_register_edge_assert_for): New helper actually registering
4994         asserts where live on edge.
4995         (find_conditional_asserts): Adjust.
4996         (find_switch_asserts): Likewise.
4997         (evrp_dom_walker::try_find_new_range): Generalize.
4998         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
4999
5000 2017-04-27  Marek Polacek  <polacek@redhat.com>
5001
5002         PR sanitizer/80349
5003         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
5004         arg10 and arg11 to itype.
5005
5006 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
5007
5008         * doc/extend.texi (Object Size Checking): Improve grammar.
5009
5010 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
5011
5012         PR target/80530
5013         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
5014         that the logic for permitting reciprocal estimates matches that
5015         in use_rsqrt_p.
5016
5017 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
5018
5019         PR c++/80534
5020         * tree.c (type_cache_hasher::equal): Only compare
5021         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
5022         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
5023         non-aggregate element types.
5024         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
5025         about the flag on ARRAY_TYPEs in the comment, formatting fix.
5026
5027 2017-04-27  Richard Biener  <rguenther@suse.de>
5028
5029         PR middle-end/80533
5030         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
5031         stripping ARRAY_REFs from MEM_EXPR make sure we're not
5032         keeping a reference to a trailing array.
5033
5034 2017-04-27  Richard Biener  <rguenther@suse.de>
5035
5036         PR middle-end/80539
5037         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
5038         being in loop-closed SSA form conservatively.
5039         (chrec_fold_multiply_poly_poly): Likewise.
5040
5041 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
5042
5043         PR middle-end/79665
5044         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
5045         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
5046
5047 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
5048
5049         PR target/77728
5050         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
5051         (aarch64_function_arg_alignment): Return unsigned int again, but still
5052         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
5053         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
5054         Don't emit -Wpsabi note.
5055         (aarch64_function_arg_boundary): Likewise.
5056         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
5057         caller.
5058
5059 2017-04-26  Nathan Sidwell  <nathan@acm.org>
5060
5061         * tree.h (crc32_unsigned_n): Declare.
5062         (crc32_unsigned, crc32_unsigned): Make inline.
5063         * tree.c (crc32_unsigned_bits): Replace with ...
5064         (crc32_unsigned_n): ... this.
5065         (crc32_unsigned, crc32_byte): Remove.
5066         (crc32_string): Remove unnecessary braces.
5067
5068 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
5069
5070         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
5071         * ipa-inline-analysis.c (MAX_TIME): Remove.
5072         (account_size_time): Use sreal for time.
5073         (dump_inline_summary): Update.
5074         (estimate_function_body_sizes): Update.
5075         (estimate_edge_size_and_time): Update.
5076         (estimate_calls_size_and_time): Update.
5077         (estimate_node_size_and_time): Update.
5078         (inline_merge_summary): Update.
5079         (inline_update_overall_summary): Update.
5080         (estimate_time_after_inlining): Update.
5081         (inline_read_section): Update.
5082         (inline_write_summary): Update.
5083         * ipa-inline.c (compute_uninlined_call_time): Update.
5084         (compute_inlined_call_time): Update.
5085         (recursive_inlining): Update.
5086         (inline_small_functions): Update.
5087         (dump_overall_stats): Update.
5088         * ipa-inline.h: Include sreal.h.
5089         (size_time_entry): Turn time to sreal.
5090         (inline_summary): Turn self_time nad time to sreal.
5091
5092 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
5093
5094         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
5095         data-streamer.h
5096         (sreal::stream_out, sreal::stream_in): New.
5097         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
5098
5099 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
5100
5101         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
5102         environment.
5103
5104 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
5105
5106         PR target/70799
5107         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
5108         Handle ASHIFTRT.
5109         (dimode_scalar_chain::compute_convert_gain): Ditto.
5110         (dimode_scalar_chain::make_vector_copies): Ditto.
5111         (dimode_scalar_chain::convert_reg): Ditto.
5112         (dimode_scalar_chain::convert_insn): Ditto.
5113         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
5114         (VI248_AVX512BW_1): New mode iterator.
5115         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
5116         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
5117         mode iterator.
5118
5119 2017-04-25  Martin Sebor  <msebor@redhat.com>
5120
5121         PR tree-optimization/80497
5122         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
5123         constants are representable in HOST_WIDE_INT.
5124         (parse_directive): Ditto.
5125
5126 2017-04-25  Martin Sebor  <msebor@redhat.com>
5127
5128         PR bootstrap/80486
5129         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
5130         (new_zero_array): Adjust signature.
5131         (dom_info::dom_init): Used unsigned rather that size_t.
5132         (dom_info::dom_info): Same.
5133
5134 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5135             Jakub Jelinek  <jakub@redhat.com>
5136
5137         PR target/77728
5138         * config/arm/arm.c: Include gimple.h.
5139         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
5140         returns negative, increment ncrn only if it returned positive.
5141         (arm_needs_doubleword_align): Return int instead of bool,
5142         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
5143         members, but if there is any such non-FIELD_DECL
5144         > PARM_BOUNDARY aligned decl, return -1 instead of false.
5145         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
5146         returns negative, increment nregs only if it returned positive.
5147         (arm_setup_incoming_varargs): Likewise.
5148         (arm_function_arg_boundary): Emit -Wpsabi note if
5149         arm_needs_doubleword_align returns negative, return
5150         DOUBLEWORD_ALIGNMENT only if it returned positive.
5151
5152 2017-04-25  Marek Polacek  <polacek@redhat.com>
5153
5154         PR sanitizer/80349
5155         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
5156         first argument to type.
5157
5158 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
5159
5160         PR target/80482
5161         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
5162         type checks to test for compatibility instead of equality.
5163
5164 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5165             Jakub Jelinek  <jakub@redhat.com>
5166
5167         PR target/77728
5168         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
5169         type.
5170         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
5171         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
5172         the alignment computation, but return their maximum in warn_alignment.
5173         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
5174         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
5175         is smaller.
5176         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
5177         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
5178         caller.
5179
5180 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5181
5182         * config/arc/simdext.md (dmpyh): Fix typo.
5183
5184 2017-04-25  Richard Biener  <rguenther@suse.de>
5185
5186         PR tree-optimization/80492
5187         * alias.c (compare_base_decls): Handle registers with asm
5188         specification conservatively.
5189         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
5190         compare_base_decls returning dont-know properly.
5191
5192 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5193
5194         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
5195         (legitimate_offset_address_p): New function.
5196         (arc_legitimate_address_p): Use above function.
5197
5198 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5199
5200         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
5201
5202 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5203
5204         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
5205         ACCH registers whenever they are available.
5206
5207 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5208
5209         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
5210         double regs fix when not used.
5211
5212 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5213
5214         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
5215         core registers.
5216         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
5217         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
5218
5219 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5220
5221         * config/arc/arc.c (arc_output_addsi): Check for h-register class
5222         when emitting short ADD instructions.
5223
5224 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5225
5226         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
5227         constraint.
5228         (cmpsi_cc_c_insn): Likewise.
5229         (cbranchsi4_scratch): Compute proper instruction length using
5230         compact_hreg_operand.
5231         * config/arc/predicates.md (compact_hreg_operand): New predicate.
5232
5233 2017-04-25  Richard Biener  <rguenther@suse.de>
5234
5235         PR middle-end/80509
5236         * passes.c (pass_manager::pass_manager): Initialize
5237         m_name_to_pass_map.
5238
5239 2017-04-25  Richard Biener  <rguenther@suse.de>
5240
5241         PR tree-optimization/79201
5242         * tree-ssa-sink.c (statement_sink_location): Handle calls.
5243
5244 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5245
5246         PR target/80464
5247         * config/s390/vector.md: Split MEM->GPR vector moves for
5248         non-s_operand addresses.
5249
5250 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5251
5252         PR target/79895
5253         * config/s390/predicates.md (reload_const_wide_int_operand): New
5254         predicate.
5255         * config/s390/s390.md ("movti"): Remove d/P alternative.
5256         ("movti_bigconst"): New pattern definition.
5257
5258 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5259
5260         PR target/80080
5261         * s390-protos.h (s390_expand_cs_hqi): Removed.
5262         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
5263         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
5264         modes as well as CCZ1mode and CCZmode.
5265         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
5266         signature of s390_emit_compare_and_swap.
5267         (s390_expand_cs_hqi): Likewise, make static.
5268         (s390_expand_cs_tdsi): Generate an explicit compare before trying
5269         compare-and-swap, in some cases.
5270         (s390_expand_cs): Wrapper function.
5271         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
5272         atomic_exchange.
5273         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
5274         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
5275         patterns for small and large integers.  Forbid symref memory operands.
5276         Move expander to s390.c.  Require cc register.
5277         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
5278         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
5279         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
5280         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
5281         symref memory operands.  Remove CC mode and call s390_match_ccmode
5282         instead.
5283         ("atomic_exchange<mode>"): Allow and implement all integer modes.
5284
5285 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5286
5287         * config/s390/s390.md (define_peephole2): New peephole to help
5288         combining the load-and-test pattern with volatile memory.
5289
5290 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5291
5292         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
5293         with CCZmode for TARGET_Z196.
5294
5295 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
5296
5297         PR rtl-optimization/80501
5298         * combine.c (make_compound_operation_int): Set subreg_code to SET
5299         even for AND with mask of the sign bit of mode.
5300
5301         PR rtl-optimization/80500
5302         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
5303         sum's initial value.
5304
5305 2017-04-25  Julian Brown  <julian@codesourcery.com>
5306             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
5307
5308         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
5309
5310 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
5311
5312         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
5313
5314 2017-04-25  Julian Brown  <julian@codesourcery.com>
5315             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
5316
5317         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
5318         (thunderx2t99_sha): New Reservation.
5319
5320 2017-04-25  Julian Brown  <julian@codesourcery.com>
5321             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
5322
5323         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
5324         type for 1-element load.
5325
5326 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
5327
5328         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
5329
5330 2017-04-24  Martin Jambor  <mjambor@suse.cz>
5331
5332         PR tree-optimization/80293
5333         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
5334         char arrays not totally scalarizable if it is false.
5335         (analyze_all_variable_accesses): Pass correct value in the new
5336         parameter.  Add a statistics counter.
5337
5338 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
5339
5340         PR middle-end/79931
5341         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
5342
5343 2017-04-24  Richard Biener  <rguenther@suse.de>
5344
5345         PR tree-optimization/80494
5346         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
5347         out for complex types.
5348
5349 2017-04-24  Richard Biener  <rguenther@suse.de>
5350
5351         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
5352         * tree-ssa-sccvn.c (print_scc): Print SCC size.
5353         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
5354         (DFS): Adjust and never fail.
5355         (sccvn_dom_walker::fail): Remove.
5356         (sccvn_dom_walker::before_dom_children): Adjust.
5357         (run_scc_vn): Likewise and never fail.
5358         * tree-ssa-pre.c (pass_pre::execute): Adjust.
5359         (pass_fre::execute): Likewise.
5360
5361 2017-04-24  Richard Biener  <rguenther@suse.de>
5362
5363         PR tree-optimization/79725
5364         * tree-ssa-sink.c (statement_sink_location): Return whether
5365         failure reason was zero uses.  Move that check later.
5366         (sink_code_in_bb): Deal with zero uses by removing the stmt
5367         if possible.
5368
5369 2017-04-24  Richard Biener  <rguenther@suse.de>
5370
5371         PR c++/2972
5372         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
5373         pointer-based references.
5374
5375 2017-04-24  Richard Biener  <rguenther@suse.de>
5376
5377         PR bootstrap/79814
5378         * pass_manager.h (pass_manager::operator new): Remove.
5379         (pass_manager::operator delete): Likewise.
5380         * passes.c (pass_manager::operator new): Remove.
5381         (pass_manager::operator delete): Likewise.
5382         (pass_manager::pass_manager): Zero individual pass members.
5383
5384 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
5385
5386         PR target/70799
5387         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
5388         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
5389         Check "XEXP (src, 1)" operand here.
5390         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
5391         Check "XEXP (src, 1)" operand here.
5392         (dimode_scalar_chain::make_vector_copies): Detect count register
5393         of a shift instruction.  Zero extend count register from QImode
5394         to DImode to satisfy vector shift pattern count operand predicate.
5395         Substitute vector shift count operand with a DImode copy.
5396         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
5397         vector register.
5398
5399 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
5400
5401         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
5402         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
5403         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
5404         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
5405         (UNSPEC_NOREX_MEM): Remove definition.
5406
5407 2017-04-21  Richard Biener  <rguenther@suse.de>
5408
5409         PR tree-optimization/79547
5410         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
5411         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
5412         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
5413         without any constraints.
5414
5415 2017-04-21  Richard Biener  <rguenther@suse.de>
5416
5417         PR tree-optimization/78847
5418         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
5419
5420 2017-04-21  Richard Biener  <rguenther@suse.de>
5421
5422         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
5423         (build_distinct_type_copy): Likewise.
5424         (build_variant_type_copy): Likewise.
5425         * tree.c (build_qualified_type): Pass down mem-stat info.
5426         (build_distinct_type_copy): Likewise.
5427         (build_variant_type_copy): Likewise.
5428
5429 2017-04-21  Richard Biener  <rguenther@suse.de>
5430
5431         PR tree-optimization/80237
5432         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
5433         defaulted to NULL.
5434         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
5435         for a simplified result.
5436
5437 2016-04-21  Richard Biener  <rguenther@suse.de>
5438
5439         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
5440         sth as strict as a simple_iv but a chrec without symbols and an
5441         operand defined in the loop we are peeling (and not some subloop).
5442         (propagate_constants_for_unrolling): Propagate all constants.
5443
5444 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
5445
5446         PR target/79804
5447         * config/i386/i386.c (print_reg): Remove assert for disalowed
5448         regno values, call output_operand_lossage instead.
5449
5450 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
5451
5452         PR target/78090
5453         * config/i386/constraints.md (Yc): New register constraint.
5454         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
5455         Use Yc constraint for alternative 2 of operand 0.  Remove
5456         preferred_for_speed attribute.
5457
5458 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
5459
5460         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
5461         lastprivate clauses in SIMT case.
5462
5463 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
5464
5465         * doc/invoke.texi (-Wextra-semi): Document new warning option.
5466
5467 2017-04-20  Richard Biener  <rguenther@suse.de>
5468
5469         PR tree-optimization/57796
5470         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
5471         as N scalar stores.
5472         (vect_model_load_cost): Cost gathers as N scalar loads.
5473
5474 2017-04-20  Richard Biener  <rguenther@suse.de>
5475
5476         * ggc-page.c (ggc_allocated_p): Rename to ...
5477         (safe_lookup_page_table_entry): ... this and return the lookup
5478         result.
5479         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
5480
5481 2017-04-20  Richard Biener  <rguenther@suse.de>
5482
5483         PR tree-optimization/80453
5484         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
5485         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
5486         from the conditions.
5487         (vn_phi_eq): Pass them down.
5488         (vn_phi_lookup): Record them.
5489         (vn_phi_insert): Likewise.
5490
5491 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
5492
5493         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
5494         uninitialized variable warning to avoid buffer overrun.
5495
5496 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
5497
5498         PR other/71250
5499         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
5500         is suppressed for '{ 0 }' in C.
5501
5502 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
5503
5504         * BASE-VER: Set to 8.0.0.
5505
5506 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5507
5508         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
5509         priority .init_array and .fini_array section with SECTION_NOTYPE
5510         flag.
5511
5512 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
5513
5514         PR middle-end/80423
5515         * tree.h (build_array_type): Add typeless_storage default argument.
5516         * tree.c (type_cache_hasher::equal): Also compare
5517         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
5518         (build_array_type): Add typeless_storage argument, set
5519         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
5520         recursive call.
5521         (build_nonshared_array_type): Adjust build_array_type_1 caller.
5522         (build_array_type): Likewise.  Add typeless_storage argument.
5523
5524 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
5525             Jakub Jelinek  <jakub@redhat.com>
5526
5527         PR tree-optimization/80426
5528         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
5529         operation on symbolic operands, also compute the overflow for the
5530         invariant part when the operation degenerates into a negation.
5531
5532 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
5533
5534         PR debug/80461
5535         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
5536         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
5537
5538         PR debug/80436
5539         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
5540
5541 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
5542
5543         PR target/80462
5544         * config/avr/avr.c (tree.h): Include it.
5545         (cgraph.h): Include it.
5546         (avr_encode_section_info): Don't warn for uninitialized progmem
5547         variable if it's just an alias.
5548
5549 2017-04-19  Richard Biener  <rguenther@suse.de>
5550
5551         PR ipa/65972
5552         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
5553         when needed by AutoPGO.
5554
5555 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
5556
5557         PR lto/50345
5558         * doc/lto.texi: Remove an extra 'that'.
5559
5560 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
5561
5562         PR rtl-optimization/80429
5563         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
5564         are only used in debug insns.
5565
5566 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
5567             Vladimir Makarov  <vmakarov@redhat.com>
5568
5569         * config/sparc/predicates.md (input_operand): Add comment.  Return
5570         true for any memory operand when LRA is in progress.
5571         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
5572
5573 2017-04-18  Jeff Law  <law@redhat.com>
5574
5575         PR target/74563
5576         * mips.md ({return,simple_return}_internal): Do not overwrite
5577         operands[0].
5578
5579 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
5580
5581         PR tree-optimization/80443
5582         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
5583         instead of adding 1, subtract -1 and similarly instead of subtracting
5584         1 add -1.
5585
5586 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
5587
5588         PR rtl-optimization/80357
5589         * haifa-sched.c (tmp_bitmap): New variable.
5590         (model_recompute): Handle duplicate use records.
5591         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
5592         (free_global_sched_pressure_data): Free it.
5593
5594 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5595
5596         Revert:
5597         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5598         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
5599         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
5600         instead of SYSTEM_HEADER_DIR.
5601
5602 2017-04-18  Jeff Law  <law@redhat.com>
5603
5604         PR middle-end/80422
5605         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
5606         predecessors after walking up the insn chain.
5607
5608 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
5609
5610         PR debug/80263
5611         * dwarf2out.c (modified_type_die): Try harder not to emit internal
5612         sizetype type into debug info.
5613
5614 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
5615
5616         PR target/80099
5617         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
5618         unneeded test for TARGET_UPPER_REGS_SF.
5619         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
5620
5621 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
5622
5623         PR sanitizer/80444
5624         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
5625         instead of gsi_after_labels.
5626
5627 2017-04-18  Jeff Law  <law@redhat.com>
5628
5629         * regcprop.c (maybe_mode_change): Avoid creating copies of the
5630         stack pointer.
5631
5632         Revert:
5633         2017-04-13  Jeff Law  <law@redhat.com>
5634         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
5635         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
5636
5637 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
5638
5639         PR target/79453
5640         * config/avr/avr.c (intl.h): Include it.
5641         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
5642
5643 2017-04-18  Martin Liska  <mliska@suse.cz>
5644
5645         PR gcov-profile/78783
5646         * gcov-tool.c (gcov_output_files): Validate that destination
5647         file is either removed by the tool or by a user.
5648
5649 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
5650             Guy Benyei  <guybe@mellanox.com>
5651
5652         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
5653         block, and do not negate it, the stored id is already negative.
5654
5655 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
5656
5657         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
5658
5659 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
5660
5661         PR target/80098
5662         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
5663         masks of options that should be turned off if the VSX vector
5664         options are turned off.
5665         (OTHER_P8_VECTOR_MASKS): Likewise.
5666         (OTHER_VSX_VECTOR_MASKS): Likewise.
5667         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
5668         rs6000_disable_incompatible_switches to validate no type switches
5669         like -mvsx.
5670         (rs6000_incompatible_switch): New function to disallow turning on
5671         other vector options if -mno-vsx, -mno-power8-vector, or
5672         -mno-power9-vector are specified.
5673
5674 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
5675
5676         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
5677
5678 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
5679
5680         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
5681         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
5682         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
5683         (ARG_POINTER_CFA_OFFSET): Likewise.
5684
5685 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
5686
5687         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
5688         conditions to take advantage of various optimizations.
5689
5690 2017-04-13  Jeff Law  <law@redhat.com>
5691
5692         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
5693         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
5694         (zero_extendsidi2_dext): Likewise.
5695
5696 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
5697
5698         PR sanitizer/80403
5699         * fold-const.c (fold_ternary_loc): Revert
5700         use op0 instead of fold_convert_loc (loc, type, arg0) part of
5701         2017-04-12 change.
5702
5703 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5704
5705         PR rtl-optimization/80343
5706         * lra-remat.c (update_scratch_ops): Assign original hard reg to
5707         new scratch pseudo.
5708
5709 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
5710
5711         PR sanitizer/80414
5712         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
5713         to ubsan_encode_value.
5714
5715 2017-04-13  Jeff Law  <law@redhat.com>
5716
5717         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
5718         appearing in DEBUG_INSNs.
5719
5720 2017-04-13  Martin Liska  <mliska@suse.cz>
5721
5722         PR gcov-profile/80413
5723         * gcov-io.c (gcov_write_string): Copy to buffer just when
5724         allocated size is greater than zero.
5725
5726 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
5727
5728         PR debug/80321
5729         * dwarf2out.c (decls_for_scope): Ignore declarations of
5730         current_function_decl in BLOCK_NONLOCALIZED_VARS.
5731
5732 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
5733
5734         PR lto/69953
5735         * ipa-visibility.c (non_local_p): Fix typos.
5736         (localize_node): When localizing symbol in same comdat group,
5737         dissolve the group only when we know external symbols are going
5738         to be privatized.
5739         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
5740
5741 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
5742
5743         PR tree-optimization/79390
5744         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
5745         order does not result in usable sequence, retry with reversed operand
5746         order.
5747
5748         PR sanitizer/80403
5749         PR sanitizer/80404
5750         PR sanitizer/80405
5751         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
5752         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
5753         op0 instead of fold_convert_loc (loc, type, arg0).
5754
5755 2017-04-12  Jeff Law  <law@redhat.com>
5756
5757         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
5758         has a delay slot in the generated code.
5759
5760         * config/cris/cris.md (cris_preferred_reload_class): Return
5761         GENNONACR_REGS rather than GENERAL_REGS.
5762
5763 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
5764
5765         PR c/80163
5766         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
5767         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
5768         signedness of the result type.
5769
5770 2017-04-12  Richard Biener  <rguenther@suse.de>
5771             Jeff Law  <law@redhat.com>
5772
5773         PR tree-optimization/80359
5774         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
5775         trim stores to TARGET_MEM_REFs.
5776
5777 2017-04-12  Richard Biener  <rguenther@suse.de>
5778
5779         PR tree-optimization/79390
5780         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
5781         threading case even more.
5782
5783 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
5784
5785         PR target/80382
5786         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
5787         for quad_address_p for TImode, instead of just not indexed_address.
5788
5789 2017-04-12  Richard Biener  <rguenther@suse.de>
5790             Bernd Edlinger  <bernd.edlinger@hotmail.de>
5791
5792         PR middle-end/79671
5793         * alias.c (component_uses_parent_alias_set_from): Handle
5794         TYPE_TYPELESS_STORAGE.
5795         (get_alias_set): Likewise.
5796         * tree-core.h (tree_type_common): Add typeless_storage flag.
5797         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
5798         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
5799         for types containing members with TYPE_TYPELESS_STORAGE.
5800         (place_field): Likewise.
5801         (layout_type): Likewise for ARRAY_TYPE.
5802         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
5803         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
5804         TYPE_TYPELESS_STORAGE.
5805         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
5806
5807 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
5808
5809         PR sanitizer/80349
5810         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
5811         first argument to type.
5812
5813 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5814
5815         PR target/80376
5816         PR target/80315
5817         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
5818         CONST0_RTX (mode) rather than const0_rtx where appropriate.
5819         (rs6000_expand_binop_builtin): Likewise.
5820         (rs6000_expand_ternop_builtin): Likewise; also add missing
5821         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
5822         vshasigma built-ins.
5823         * doc/extend.texi: Document that vec_xxpermdi's third argument
5824         must be a constant.
5825
5826 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
5827
5828         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
5829         Use shift_const cost parameter when calculating gain of STV shifts.
5830
5831 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
5832
5833         PR rtl-optimization/70478
5834         * lra-constraints.c (process_alt_operands): Check memory for
5835         disfavoring memory insn operand.
5836
5837 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
5838
5839         PR middle-end/80100
5840         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
5841         left shift in unsigned HOST_WIDE_INT type.
5842
5843         PR rtl-optimization/80385
5844         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
5845         (not (neg X)) into (plus X -1) for complex or non-integral modes.
5846
5847         PR libgomp/80394
5848         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
5849         if they have any depend clauses.
5850
5851 2017-04-11  Martin Liska  <mliska@suse.cz>
5852
5853         PR ipa/80212
5854         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
5855         * ipa-split.c (split_function): Create a local comdat symbol
5856         if caller is in a comdat group.
5857
5858 2017-04-11  Martin Liska  <mliska@suse.cz>
5859
5860         PR ipa/80212
5861         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
5862         flags.
5863
5864 2017-04-11  Martin Sebor  <msebor@redhat.com>
5865
5866         PR middle-end/80364
5867         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
5868         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
5869         for INTEGER_TYPE.
5870         (directive::set_width, directive::set_precision, format_character):
5871         Adjust.
5872         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
5873         INTEGER_TYPE.
5874
5875 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
5876
5877         PR target/80389
5878         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
5879         conflict, set target->arch_name instead of target->cpu_name.
5880
5881 2017-04-11  Richard Biener  <rguenther@suse.de>
5882
5883         PR tree-optimization/80374
5884         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
5885         build_zero_cst, remove fold_convertible_p check again.
5886
5887 2017-04-11  Martin Liska  <mliska@suse.cz>
5888
5889         PR sanitizer/70878
5890         * ubsan.c (instrument_object_size): Do not instrument register
5891         variables.
5892
5893 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
5894
5895         PR target/80381
5896         * config/i386/i386-builtin-types.def
5897         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
5898         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
5899         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
5900         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
5901         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
5902         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
5903         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
5904         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
5905         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
5906         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
5907         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
5908         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
5909         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
5910         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
5911         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
5912         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
5913         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
5914         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
5915         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
5916         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
5917         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
5918         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
5919         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
5920         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
5921         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
5922         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
5923         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
5924         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
5925         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
5926         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
5927         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
5928         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
5929         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
5930         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
5931         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
5932         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
5933         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
5934         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
5935         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
5936         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
5937         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
5938         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
5939         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
5940         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
5941         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
5942         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
5943         aliases.
5944         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
5945         flag to second_arg_count, handle 4 argument function type _COUNT
5946         aliases, handle second_arg_count on second argument rather than last.
5947
5948 2017-04-10  Jeff Law  <law@redhat.com>
5949
5950         PR tree-optimization/80374
5951         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
5952         record anything if we can not convert integer_zero_node to the
5953         desired type.
5954
5955 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5956
5957         PR target/80108
5958         * config/rs6000/rs6000.c (rs6000_option_override_internal):
5959         Enhance special handling given to the TARGET_P9_MINMAX option in
5960         relation to certain other options.
5961
5962 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
5963
5964         PR tree-optimization/80153
5965         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
5966         remove POINTER_PLUS_EXPR's base part directly, rather than through
5967         aff_tree.
5968
5969 2017-04-10  Richard Biener  <rguenther@suse.de>
5970             Bin Cheng  <bin.cheng@arm.com>
5971
5972         PR tree-optimization/80153
5973         * tree-affine.c (aff_combination_to_tree): Get base pointer from
5974         the first element of pointer type aff_tree.  Build result expr in
5975         aff_tree's type.
5976         (add_elt_to_tree): Convert to type unconditionally.  Remove other
5977         fold_convert calls.
5978         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
5979         (rewrite_use_nonlinear_expr): Check invariant using iv information.
5980
5981 2017-04-10  Richard Biener  <rguenther@suse.de>
5982
5983         * tree-ssa-structalias.c (find_func_aliases): Properly handle
5984         asm inputs.
5985
5986 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
5987
5988         PR rtl-optimization/70478
5989         * lra-constraints.c (curr_small_class_check): New.
5990         (update_and_check_small_class_inputs): New.
5991         (process_alt_operands): Update curr_small_class_check.  Disfavor
5992         alternative insn memory operands.  Check available regs for small
5993         class operands.
5994
5995 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
5996
5997         PR target/80057
5998         * config/mips/mips.opt (-mvirt): Update description.
5999         * doc/invoke.texi (-mvirt): Likewise.
6000
6001 2017-04-10  Richard Biener  <rguenther@suse.de>
6002
6003         PR middle-end/80362
6004         * fold-const.c (fold_binary_loc): Look at unstripped ops when
6005         looking for NEGATE_EXPR in -A / -B to A / B folding.
6006
6007 2017-04-10  Martin Liska  <mliska@suse.cz>
6008
6009         PR gcov-profile/80224
6010         * gcov.c (print_usage): Fix usage string.
6011         (get_gcov_intermediate_filename): Remove.
6012         (output_gcov_file): Use both for normal and intermediate format.
6013         (generate_results): Do not initialize special file for
6014         intermediate format.
6015
6016 2017-04-10  Richard Biener  <rguenther@suse.de>
6017
6018         PR tree-optimization/80304
6019         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
6020         for safelen.
6021
6022 2017-04-10  Nathan Sidwell  <nathan@acm.org>
6023
6024         PR target/79905
6025         * config/rs6000/rs6000.c (rs6000_vector_type): New.
6026         (rs6000_init_builtins): Use it.
6027
6028 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6029
6030         * config/arm/arm.md (<mrc>): Add mode to SET source.
6031         (<mrrc>): Likewise.
6032
6033 2017-04-10  Richard Biener  <rguenther@suse.de>
6034
6035         PR middle-end/80344
6036         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
6037
6038 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
6039
6040         PR target/80324
6041         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
6042         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
6043         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
6044         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
6045         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
6046         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
6047         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
6048         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
6049         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
6050         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
6051         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
6052         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
6053         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
6054         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
6055         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
6056         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
6057         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
6058         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
6059         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
6060         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
6061         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
6062         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
6063         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
6064
6065 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
6066
6067         PR rtl-optimization/70478
6068         * lra-constraints.c: Reverse the last patch.
6069
6070 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
6071
6072         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
6073         Add comment for WCHAR_T.
6074
6075 2017-04-08  Martin Liska  <mliska@suse.cz>
6076
6077         Revert:
6078         2017-04-07  Martin Liska  <mliska@suse.cz>
6079
6080         PR ipa/80212
6081         * ipa-split.c (split_function): Add function part to a same comdat
6082         group.
6083
6084 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
6085
6086         PR target/80358
6087         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
6088
6089 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
6090
6091         * rs6000/rs6000.c (vec_load_pendulum): Rename...
6092         (vec_pairing): ...to this.
6093         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
6094         (rs6000_sched_init): Adjust for name change.
6095         (struct rs6000_sched_context): Likewise.
6096         (rs6000_init_sched_context): Likewise.
6097         (rs6000_set_sched_context): Likewise.
6098
6099 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
6100
6101         PR target/80322
6102         PR target/80323
6103         PR target/80325
6104         PR target/80326
6105         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
6106         intrinsics.
6107         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
6108         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
6109         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
6110
6111 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
6112
6113         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
6114
6115 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
6116
6117         PR rtl-optimization/70703
6118         * ira-color.c (update_conflict_hard_regno_costs): Use
6119         int64_t instead of HOST_WIDE_INT.
6120
6121 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
6122
6123         PR rtl-optimization/70478
6124         * lra-constraints.c (process_alt_operands): Disfavor alternative
6125         insn memory operands.
6126
6127 2017-04-07  Jeff Law  <law@redhat.com>
6128
6129         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
6130         CALL and NOTE_INSN_CALL_ARG_LOCATION.
6131
6132 2017-04-07  Martin Liska  <mliska@suse.cz>
6133
6134         PR target/79889
6135         * config/aarch64/aarch64.c (aarch64_process_target_attr):
6136         Show error message instead of an ICE.
6137
6138 2017-04-07  Martin Liska  <mliska@suse.cz>
6139
6140         PR ipa/80212
6141         * ipa-split.c (split_function): Add function part to a same comdat
6142         group.
6143
6144 2017-04-07  Richard Biener  <rguenther@suse.de>
6145
6146         PR middle-end/80341
6147         * tree.c (get_unwidened): Also handle ! for_type case for
6148         INTEGER_CSTs.
6149         * convert.c (do_narrow): Split out from ...
6150         (convert_to_integer_1): ... here.  Do not pass final truncation
6151         type to get_unwidened for TRUNC_DIV_EXPR.
6152
6153 2017-04-07  Richard Biener  <rguenther@suse.de>
6154
6155         * tree-affine.c (wide_int_ext_for_comb): Take type rather
6156         than aff_tree.
6157         (aff_combination_const): Adjust.
6158         (aff_combination_scale): Likewise.
6159         (aff_combination_add_elt): Likewise.
6160         (aff_combination_add_cst): Likewise.
6161         (aff_combination_convert): Likewise.
6162         (add_elt_to_tree): Likewise.  Remove unused argument.
6163         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
6164
6165 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6166
6167         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
6168         definition.
6169         * config/arm/arm.c (arm_default_short_enums): Use
6170         ARM_DEFAULT_SHORT_ENUMS.
6171         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
6172
6173 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
6174
6175         PR debug/80234
6176         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
6177         members with redundant out-of-class redeclaration.
6178
6179 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
6180
6181         PR target/80286
6182         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
6183         * config/i386/i386.md (*zero_extendsidi2):
6184         Add (?*x,*x) and (?*v,*v) alternatives.
6185
6186 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
6187
6188         PR target/79733
6189         * config/i386/i386.c (ix86_expand_builtin)
6190         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
6191         mode from insn data. Convert operands to insn operand mode.
6192         Copy operands that don't satisfy insn predicate to a register.
6193
6194 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
6195
6196         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
6197         Update comments.
6198
6199 2017-04-06  Richard Biener  <rguenther@suse.de>
6200
6201         PR tree-optimization/80334
6202         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
6203         preserve alignment of accesses.
6204
6205 2017-04-06  Richard Biener  <rguenther@suse.de>
6206
6207         PR tree-optimization/80262
6208         * tree-sra.c (build_ref_for_offset): Preserve address-space
6209         information.
6210         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
6211         Drop useless address-space information on MEM_REF offsets.
6212
6213 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
6214
6215         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
6216
6217 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
6218
6219         PR rtl-optimization/70703
6220         * ira-color.c (update_conflict_hard_regno_costs): Use
6221         HOST_WIDE_INT instead of long.
6222
6223 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
6224
6225         PR target/80298
6226         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
6227         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
6228         is not defined.
6229         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
6230         for x86_64 target.  Handle -m3dnowa option.
6231
6232 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
6233
6234         PR rtl-optimization/70703
6235         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
6236         (update_conflict_hard_regno_costs): Use long instead of unsigned
6237         arithmetic for cost calculation.
6238
6239 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
6240             Bernd Edlinger  <bernd.edlinger@hotmail.de>
6241
6242         PR sanitizer/80308
6243         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
6244         for big endian.
6245
6246 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
6247
6248         PR target/78002
6249         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
6250         ptr_mode with Pmode throughout.
6251         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
6252         into probe_stack_range and use DImode.
6253
6254 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6255
6256         PR target/79890
6257         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
6258         call_eh_return is true.
6259
6260 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6261
6262         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
6263         Initialize last_match_fntype_index.
6264
6265 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
6266
6267         PR target/80310
6268         * tree-nvr.c: Include internal-fn.h.
6269         (pass_return_slot::execute): Ignore internal calls without
6270         direct optab.
6271
6272 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
6273             Richard Biener  <rguenther@suse.de>
6274
6275         PR c++/80297
6276         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
6277         captures used multiple times, except for the last use.
6278         * generic-match-head.c: Include gimplify.h.
6279
6280 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
6281
6282         PR tree-optimization/79390
6283         * target.h (struct noce_if_info): Declare.
6284         * targhooks.h (default_noce_conversion_profitable_p): Declare.
6285         * target.def (noce_conversion_profitable_p): New target hook.
6286         * ifcvt.h (struct noce_if_info): New type, moved from ...
6287         * ifcvt.c (struct noce_if_info): ... here.
6288         (noce_conversion_profitable_p): Renamed to ...
6289         (default_noce_conversion_profitable_p): ... this.  No longer
6290         static nor inline.
6291         (noce_try_store_flag_constants, noce_try_addcc,
6292         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
6293         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
6294         instead of noce_conversion_profitable_p.
6295         * config/i386/i386.c: Include ifcvt.h.
6296         (ix86_option_override_internal): Don't override
6297         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
6298         (ix86_noce_conversion_profitable_p): New function.
6299         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
6300         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
6301         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
6302         * doc/tm.texi: Regenerated.
6303
6304 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6305
6306         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
6307         correction.
6308
6309 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
6310
6311         PR target/80307
6312         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
6313         instructions for small multiply cores.
6314
6315 2017-04-04  Jeff Law  <law@redhat.com>
6316
6317         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
6318         added member.
6319         (mips_expand_vec_perm_const): Initialize elements in orig_perm
6320         that are not set by the loop over the elements.
6321
6322 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
6323
6324         PR target/80286
6325         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
6326         int mode, convert_modes it to mode as unsigned, otherwise use
6327         lowpart_subreg to mode rather than SImode.
6328         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
6329         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
6330         Use DImode instead of SImode for the shift count operand.
6331         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
6332         Likewise.
6333
6334 2017-04-04  Richard Biener  <rguenther@suse.de>
6335
6336         PR middle-end/80281
6337         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
6338         arithmetic done for the negate or the plus.  Simplify.
6339         (A - (-B) -> A + B): Likewise.
6340         * fold-const.c (split_tree): Make sure to not negate pointers.
6341
6342 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
6343
6344         PR rtl-optimization/60818
6345         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
6346         a compare of comparisons with the thing compared if this results
6347         in a different machine mode.
6348
6349 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
6350
6351         * alias.c (base_alias_check): Fix typo in comment.
6352         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
6353         * cgraphunit.c (symbol_table::compile): Likewise.
6354         * collect2.c (maybe_run_lto_and_relink): Likewise.
6355         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
6356         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
6357         * config/avr/avr.c (avr_map_op_t): Likewise.
6358         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
6359         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
6360         * config/epiphany/epiphany.md (movcc): Likewise.
6361         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
6362         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
6363         Likewise.
6364         * config/mips/mips.c (mips_save_restore_reg): Likewise.
6365         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
6366         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
6367         * config/sh/sh.c (sh_rtx_costs): Likewise.
6368         * fold-const.c (fold_truth_andor): Likewise.
6369         * genautomata.c (collapse_flag): Likewise.
6370         * gengtype.h (struct type::u::s): Likewise.
6371         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
6372         * input.c (FORMAT_AMOUNT): Likewise.
6373         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
6374         (known_aggs_to_agg_replacement_list): Likewise.
6375         * ipa-inline-analysis.c: Likewise.
6376         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
6377         * ipa-polymorphic-call.c
6378         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
6379         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
6380         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
6381         Likewise.
6382         * modulo-sched.c (apply_reg_moves): Likewise.
6383         * omp-expand.c (build_omp_regions_1): Likewise.
6384         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
6385         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
6386         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
6387         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
6388         * value-prof.c: Likewise.
6389         * var-tracking.c (val_reset): Likewise.
6390
6391 2017-04-03  Richard Biener  <rguenther@suse.de>
6392
6393         PR tree-optimization/80275
6394         * fold-const.c (split_address_to_core_and_offset): Handle
6395         POINTER_PLUS_EXPR.
6396
6397 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
6398
6399         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
6400         descriptors is at least equal to that of functions.
6401
6402 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
6403
6404         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
6405
6406 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
6407
6408         PR target/80250
6409         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
6410         (mov<IMOD4:mode>): New expander.
6411         (*mov<IMOD4:mode>_internal): New insn and split pattern.
6412
6413 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
6414
6415         PR rtl-optimization/79405
6416         * fwprop.c (propagations_left): New variable.
6417         (forward_propagate_into): Decrement it.
6418         (fwprop_init): Initialize it.
6419         (fw_prop): If the variable has reached zero, stop propagating.
6420         (fwprop_addr): Ditto.
6421
6422 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
6423
6424         PR debug/79255
6425         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
6426         a FUNCTION_DECL, pass it as decl instead of origin to
6427         process_scope_var.
6428
6429 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
6430
6431         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
6432         string.
6433
6434 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
6435
6436         PR target/80107
6437         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
6438         TARGET_VSX_SMALL_INTEGER.
6439
6440 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6441
6442         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
6443         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
6444
6445 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
6446
6447         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
6448         extraction from odd-numbered MSA register.
6449
6450 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
6451
6452         PR middle-end/80173
6453         * expmed.c (store_bit_field_1): Don't attempt to create
6454         a word subreg out of hard registers wider than word if they
6455         have HARD_REGNO_NREGS of 1 for their mode.
6456
6457         PR middle-end/80163
6458         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
6459         conversions to integer types wider than word and pointer.
6460
6461         PR debug/80025
6462         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
6463         (rtx_equal_for_cselib_p): Pass 0 to it.
6464         * cselib.c (cselib_hasher::equal): Likewise.
6465         (rtx_equal_for_cselib_1): Add depth argument.  If depth
6466         is 128, don't look up VALUE locs and punt.  Increment
6467         depth in recursive calls when walking VALUE locs.
6468
6469 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6470
6471         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
6472         (make_gcov_file_name): Use the canonical path name for generating
6473         the MD5 value.
6474         (read_line): Fix handling of files with ascii null bytes.
6475
6476 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
6477
6478         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
6479         to initialise a vector register instead
6480         of using a const_int.
6481
6482 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
6483
6484         PR translation/80189
6485         * gimplify.c (omp_default_clause): Use %qs instead of %s in
6486         diagnostic messages.
6487
6488 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
6489
6490         PR target/80246
6491         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
6492         (dfp_diex_<mode>): Update mode of operand 1.
6493         * doc/extend.texi (dxex, dxexq): Document change to return type.
6494         (diex, diexq): Document change to argument type.
6495
6496 2017-03-30  Martin Jambor  <mjambor@suse.cz>
6497
6498         PR ipa/77333
6499         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
6500         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
6501         it reflects the signature changes performed at the callee side.
6502         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
6503         to cgraph_build_function_type_skip_args.
6504         (build_function_decl_skip_args): Adjust call to the above function.
6505
6506 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
6507
6508         PR target/80206
6509         * config/i386/sse.md
6510         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
6511         register as dest whenever it is a MEM not rtx_equal_p to the
6512         corresponding dup operand, and when forcing into reg move the
6513         reg into the memory afterwards.
6514         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
6515         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
6516         for the force_reg mode.
6517         (avx512vl_vextractf128<mode>): Use register as dest either
6518         always when a MEM, or when it is a MEM not rtx_equal_p to the
6519         corresponding dup operand, or even not when it is a CONST_VECTOR
6520         depending on the mode and lo vs. hi.
6521         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
6522         parens.
6523         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
6524         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
6525         Likewise.  Require that operands[2] is even.
6526         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
6527         Remove extraneous parens.  Require that operands[2] is a multiple
6528         of 4.
6529         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
6530         operands[0] is a MEM if <mask_applied>, the predicates/constraints
6531         disallow memory then.
6532
6533 2017-03-30  Richard Biener  <rguenther@suse.de>
6534
6535         PR tree-optimization/77498
6536         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
6537         to non-constants over backedges.
6538
6539 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
6540
6541         PR rtl-optimization/80233
6542         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
6543         as last_combined_insn.  Do not test for BARRIER_P separately.
6544
6545 2017-03-29  Andreas Schwab  <schwab@suse.de>
6546
6547         PR ada/80146
6548         * calls.c (prepare_call_address): Convert funexp to Pmode before
6549         copying to temp reg.
6550
6551 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6552
6553         PR tree-optimization/80158
6554         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
6555         Handle possible future case of more than one alternate
6556         interpretation.
6557         (replace_rhs_if_not_dup): Likewise.
6558         (replace_one_candidate): Likewise.
6559
6560 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
6561
6562         PR rtl-optimization/80193
6563         * ira.c (ira): Do not check allocation for LRA.
6564
6565 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
6566
6567         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
6568         (nvptx_output_simt_exit): Declare.
6569         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
6570         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
6571         (init_softstack_frame): Move initialization of crtl->is_leaf to...
6572         (nvptx_declare_function_name): ...here.  Emit declaration of local
6573         memory space buffer for omp_simt_enter insn.
6574         (nvptx_output_unisimt_switch): New.
6575         (nvptx_output_softstack_switch): New.
6576         (nvptx_output_simt_enter): New.
6577         (nvptx_output_simt_exit): New.
6578         * config/nvptx/nvptx.h (struct machine_function): New fields
6579         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
6580         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
6581         (UNSPECV_SIMT_EXIT): Ditto.
6582         (omp_simt_enter_insn): New insn.
6583         (omp_simt_enter): New expansion.
6584         (omp_simt_exit): New insn.
6585         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
6586
6587         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
6588         (expand_GOMP_SIMT_ENTER_ALLOC): New.
6589         (expand_GOMP_SIMT_EXIT): New.
6590         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
6591         (GOMP_SIMT_ENTER_ALLOC): Ditto.
6592         (GOMP_SIMT_EXIT): Ditto.
6593         * target-insns.def (omp_simt_enter): New insn.
6594         (omp_simt_exit): Ditto.
6595         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
6596         simt_dlist.
6597         (lower_rec_simd_input_clauses): Implement SIMT privatization.
6598         (lower_rec_input_clauses): Likewise.
6599         (lower_lastprivate_clauses): Handle SIMT privatization.
6600
6601         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
6602         (ompdevlow_adjust_simt_enter): New.
6603         (find_simtpriv_var_op): New.
6604         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
6605         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
6606
6607         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
6608         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
6609         (copy_decl_for_dup_finish): Ditto.
6610
6611         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
6612
6613 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
6614
6615         PR target/53383
6616         * config/i386/i386.c (ix86_option_override_internal): Always
6617         allow -mpreferred-stack-boundary=3 for 64-bit targets.
6618
6619 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
6620
6621         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
6622
6623 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
6624
6625         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
6626         mark new edge's irreducible flag accordign to it.
6627         (vect_do_peeling): Check loop preheader edge's irreducible flag
6628         and pass it to function slpeel_add_loop_guard.
6629
6630 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
6631
6632         PR tree-optimization/80218
6633         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
6634         Update block frequencies and counts.
6635
6636 2017-03-28  Richard Biener  <rguenther@suse.de>
6637
6638         PR tree-optimization/78644
6639         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
6640         of a simplification result we may not use it at all.
6641
6642 2017-03-28  Richard Biener  <rguenther@suse.de>
6643
6644         PR ipa/80205
6645         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
6646         without arguments, generate default definition of a SSA name.
6647
6648 2017-03-28  Richard Biener  <rguenther@suse.de>
6649
6650         PR middle-end/80222
6651         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
6652         TYPE_REF_CAN_ALIAS_ALL references.
6653         * fold-const.c (fold_indirect_ref_1): Likewise.
6654
6655 2017-03-28  Martin Liska  <mliska@suse.cz>
6656
6657         PR ipa/80104
6658         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
6659         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
6660
6661 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
6662             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
6663
6664         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
6665         (EXTRA_SPECS): Define.
6666         (SUBTARGET_EXTRA_SPECS): Likewise.
6667         (SUBTARGET_CPP_SPEC): Likewise.
6668         * config/arc/elf.h (EXTRA_SPECS): Renamed to
6669         SUBTARGET_EXTRA_SPECS.
6670         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
6671
6672 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
6673
6674         * config/arc/simdext.md (vst64_insn): Update pattern.
6675         (vld32wh_insn): Likewise.
6676         (vld32wl_insn): Likewise.
6677         (vld64_insn): Likewise.
6678         (vld32_insn): Likewise.
6679
6680 2017-03-28  Marek Polacek  <polacek@redhat.com>
6681
6682         PR sanitizer/80067
6683         * fold-const.c (fold_comparison): Use protected_set_expr_location
6684         instead of SET_EXPR_LOCATION.
6685
6686 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
6687
6688         * tree.c (add_expr): Avoid name lookup warning.
6689
6690 2017-03-27  Jeff Law  <law@redhat.com>
6691
6692         PR tree-optimization/80216
6693         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
6694         function name.  Limit recursion depth.
6695         (record_temporary_equivalences): Corresponding changes.
6696
6697 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
6698
6699         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
6700         covered first.
6701
6702 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
6703
6704         PR target/80102
6705         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
6706         notes.
6707         * cfgcleanup.c (reg_note_cfa_p): New array.
6708         (insns_have_identical_cfa_notes): New function.
6709         (old_insns_match_p): Don't cross-jump in between /f
6710         and non-/f instructions.  If both i1 and i2 are frame related,
6711         verify all CFA notes, their order and content.
6712
6713 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
6714
6715         PR target/78543
6716         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
6717         HImode and SImode with zero extend to DImode to one insn.
6718         (bswap<mode>2_extenddi): Likewise.
6719         (bswapsi2_extenddi): Likewise.
6720         (bswaphi2_extendsi): Likewise.
6721         (bswaphi2): Combine bswap HImode and SImode into one insn.
6722         Separate memory insns from swapping register.
6723         (bswapsi2): Likewise.
6724         (bswap<mode>2): Likewise.
6725         (bswaphi2_internal): Delete, no longer used.
6726         (bswapsi2_internal): Likewise.
6727         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
6728         store, and gpr<-gpr swap insns.
6729         (bswap<mode>2_store): Likewise.
6730         (bswaphi2_reg): Register only splitter, combine with the splitter.
6731         (bswaphi2 splitter): Likewise.
6732         (bswapsi2_reg): Likewise.
6733         (bswapsi2 splitter): Likewise.
6734         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
6735         the insns into load, store, and register/register insns.
6736         (bswapdi2_ldbrx): Likewise.
6737         (bswapdi2_load): Likewise.
6738         (bswapdi2_store): Likewise.
6739         (bswapdi2_reg): Likewise.
6740
6741 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
6742
6743         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
6744         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
6745
6746 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6747
6748         PR target/80103
6749         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
6750         add comments.
6751         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
6752         special handling for target option conflicts between dform
6753         options (-mpower9-dform, -mpower9-dform-vector,
6754         -mpower9-dform-scalar) and -mno-direct-move.
6755
6756 2017-03-27  Richard Biener  <rguenther@suse.de>
6757
6758         PR tree-optimization/80181
6759         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
6760
6761 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
6762
6763         * config/arc/predicates.md (move_double_src_operand): Replace the
6764         call to move_double_src_operand with a call to address_operand.
6765
6766 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
6767
6768         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
6769         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
6770         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
6771
6772 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
6773
6774         * config/arc/predicates.md (long_immediate_loadstore_operand):
6775         Consider scaled addresses cases.
6776
6777 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
6778
6779         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
6780         restored when in interrupt.
6781         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
6782         doesn't have delay slot.
6783
6784 2017-03-27  Richard Biener  <rguenther@suse.de>
6785
6786         PR ipa/79776
6787         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
6788         inlined thunk clones.
6789
6790 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
6791
6792         PR sanitizer/80168
6793         * asan.c (instrument_derefs): Copy over last operand from
6794         original COMPONENT_REF to the new COMPONENT_REF with
6795         DECL_BIT_FIELD_REPRESENTATIVE.
6796         * ubsan.c (instrument_object_size): Likewise.
6797
6798 2017-03-27  Richard Biener  <rguenther@suse.de>
6799
6800         PR tree-optimization/80170
6801         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
6802         sure DR/SCEV didnt fold in constants we do not see when looking
6803         at the reference base alignment.
6804
6805 2017-03-27  Richard Biener  <rguenther@suse.de>
6806
6807         PR middle-end/80171
6808         * gimple-fold.c (fold_ctor_reference): Properly guard against
6809         NULL return value from canonicalize_constructor_val.
6810
6811 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
6812
6813         PR target/80180
6814         * config/i386/i386.c (ix86_expand_builtin)
6815         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
6816         flags reg setting and flags reg using instructions.
6817         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
6818         clobbering instructions to zero extend op2.
6819
6820 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
6821
6822         * doc/install.texi (Configuration) <--with-aix-soname>:
6823         Update link to AIX ld.
6824
6825 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
6826
6827         PR rtl-optimization/80160
6828         PR rtl-optimization/80159
6829         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
6830         reg_alternate_class into account.
6831
6832 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
6833
6834         PR target/80148
6835         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
6836         to consider in curr_insn_transform.
6837
6838 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
6839
6840         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
6841         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
6842         and emit_mode_inner.
6843
6844 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6845
6846         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
6847         argument to the overloaded builtin variants.  Use the new flag to
6848         deprecate certain builtin variants.
6849         * config/s390/s390-builtin-types.def: Add new builtin types.
6850         * config/s390/s390-builtins.h: Support new flags field for
6851         overloaded builtins.
6852         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
6853         (s390_macro_to_expand): Enable vector float data type.
6854         (s390_cpu_cpp_builtins_internal): Indicate support of the new
6855         builtins by incrementing the __VEC__ version number.
6856         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
6857         vec_xst.
6858         (s390_resolve_overloaded_builtin): Emit error messages depending
6859         on the builtin flags.
6860         * config/s390/s390.c (s390_expand_builtin): Support additional
6861         flags argument.  Change error message to match the messages
6862         emitted in s390-c.c.
6863         * config/s390/s390.md: New UNSPEC_* constants.
6864         (op_type): Add new instruction types.
6865         * config/s390/vecintrin.h: Add new builtins and test data class
6866         constants.
6867         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
6868         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
6869         (VEC_INEXACT, VEC_NOINEXACT): New constants.
6870         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
6871         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
6872         ("vec_mergel<mode>"): V_HW -> VEC_HW.
6873
6874         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
6875         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
6876         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
6877         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
6878
6879         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
6880         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
6881         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
6882         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
6883
6884         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
6885         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
6886         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
6887         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
6888         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
6889         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
6890         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
6891
6892         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
6893         ("vec_scatter_element<V_HW_4:mode>_DI")
6894         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
6895         ("vec_fpint<mode>", "vflls")
6896         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
6897         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
6898         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
6899         ("*vec_cmphe<mode>_cc"): ... these.
6900
6901         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
6902         mode constant instead of magic value.
6903
6904 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6905
6906         * config/s390/s390.c (s390_expand_vec_compare): Support other
6907         vector floating point modes than just V2DF.
6908         (s390_expand_vcond): Likewise.
6909         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
6910         (s390_cannot_change_mode_class): Prevent mode changes between TF
6911         and V1TF in vector registers.
6912         * config/s390/s390.md (DF, SF): New mode attributes.
6913         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
6914         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
6915         SFmode support for VRs.
6916         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
6917         vector fp modes.
6918         (VFT, VF_HW): New mode iterators.
6919         (vw, sdx): New mode attributes.
6920         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
6921         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
6922         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
6923         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
6924         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
6925         also the new vector floating point modes.  Renaming to ...
6926
6927         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
6928         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
6929         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
6930         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
6931         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
6932         ("vec_unordered<mode>"): ... these.
6933
6934         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
6935         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
6936         ("*vec_extendv2df"): New insn definitions.
6937
6938 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6939
6940         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
6941         ("mulditi3_2", "*muldi3_sign"): New patterns.
6942         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
6943         rename the pattern definition.
6944
6945 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6946
6947         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
6948         expander.
6949         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
6950
6951 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6952
6953         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
6954         instruction if possible.
6955         * config/s390/vector.md (vec_halfnumelts): New mode
6956         attribute.
6957         ("*vec_vllezlf<mode>"): New pattern.
6958
6959 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6960
6961         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
6962         ("popcountv4si2", "popcountv2di2"): Rename to ...
6963         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
6964         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
6965         condition.
6966         ("popcount<mode>2_vxe"): New pattern.
6967
6968 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6969
6970         * common/config/s390/s390-common.c (processor_flags_table): Add
6971         arch12.
6972         * config.gcc: Add arch12.
6973         * config/s390/driver-native.c (s390_host_detect_local_cpu):
6974         Default to arch12 for unknown CPU model numbers.
6975         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
6976         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
6977         PROCESSOR_max sanity check.
6978         * config/s390/s390-opts.h (enum processor_type): Add
6979         PROCESSOR_ARCH12.
6980         * config/s390/s390.c (processor_table): Add arch12.
6981         (s390_expand_builtin): Add check for B_VXE flag.
6982         (s390_issue_rate): Add PROCESSOR_ARCH12.
6983         (s390_get_sched_attrmask): Likewise.
6984         (s390_get_unit_mask): Likewise.
6985         (s390_sched_score): Enable z13 scheduling for arch12.
6986         (s390_sched_reorder): Likewise.
6987         (s390_sched_variable_issue): Likewise.
6988         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
6989         PF_VXE.
6990         (s390_tune_attr): Use z13 scheduling also for arch12.
6991         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
6992         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
6993         (TARGET_VXE_P): New macros.
6994         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
6995         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
6996         * config/s390/s390.opt: Add arch12 as processor_type.
6997
6998 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6999
7000         * config/s390/s390.md
7001         ("fixuns_truncdddi2", "fixuns_trunctddi2")
7002         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
7003         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
7004
7005         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
7006         Rename expanders to ...
7007
7008         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
7009         ("fixuns_truncdddi2_emu"): ... these.
7010
7011         ("fixuns_trunc<mode>si2_emu"): New expander.
7012
7013         ("*fixuns_truncdfdi2_z13"): Rename to ...
7014         ("*fixuns_truncdfdi2_vx"): ... this.
7015
7016 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7017
7018         * config/s390/2964.md: Remove the single element vector compare
7019         instructions which are no longer used.
7020         * config/s390/s390.c (s390_select_ccmode): Remove handling of
7021         vector CCmodes.
7022         (s390_canonicalize_comparison): Remove handling of DFmode
7023         compares.
7024         (s390_expand_vec_compare_scalar): Remove function.
7025         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
7026         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
7027         pattern.
7028         ("*cmp<mode>_ccs"): Add wfcdb instruction.
7029
7030 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7031
7032         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
7033         FP zero.
7034         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
7035         will anyway by matched by mov<mode>_64dfp.
7036
7037 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7038
7039         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
7040         vlef/vstef.  Add missing operand to vleif.
7041
7042 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7043
7044         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
7045         pair for all vector types with 64 bit elements.
7046         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
7047         * config/s390/vector.md (V_HW_64): ... here.
7048         (V_128_NOSINGLE): New mode iterator.
7049         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
7050         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
7051         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
7052         ("*vec_load_pairv2di"): Change to ...
7053         ("*vec_load_pair<mode>"): ... this one.
7054
7055 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7056
7057         * config/s390/constraints.md: Add comments.
7058         (jKK): Reject element sizes > 8 bytes.
7059         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
7060         s_operands.
7061         * config/s390/s390.md: Add the s_operand checks formerly in
7062         s390_split_ok_p to various splitters where they are still
7063         required.
7064         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
7065         for 128 bit vectors.  Plus two splitters.
7066
7067 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7068
7069         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
7070         the file.
7071
7072 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7073
7074         PR target/79893
7075         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
7076         error if the boundary argument is not constant.
7077
7078 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
7079
7080         PR rtl-optimization/80112
7081         * loop-doloop.c (doloop_condition_get): Don't check condition
7082         if cmp isn't SET with IF_THEN_ELSE src.
7083
7084 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7085
7086         PR tree-optimization/80158
7087         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
7088         replacing a candidate statement, also replace it for the
7089         candidate's alternate interpretation.
7090         (replace_rhs_if_not_dup): Likewise.
7091         (replace_one_candidate): Likewise.
7092
7093 2017-03-24  Richard Biener  <rguenther@suse.de>
7094
7095         PR tree-optimization/80167
7096         * graphite-isl-ast-to-gimple.c
7097         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
7098         properly.
7099         (translate_isl_ast_to_gimple::get_rename): Likewise.
7100
7101 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7102
7103         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
7104         handling of certain combinations of target options, including the
7105         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
7106         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
7107
7108 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7109
7110         PR target/71436
7111         * config/arm/arm.md (*load_multiple): Add reload_completed to
7112         matching condition.
7113
7114 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7115             Richard Biener  <rguenth@suse.de>
7116
7117         PR tree-optimization/79908
7118         PR tree-optimization/80136
7119         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
7120         been cast away, gimplify_and_add suffices.
7121
7122 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
7123
7124         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
7125
7126 2017-03-23  Richard Biener  <rguenther@suse.de>
7127
7128         PR tree-optimization/80032
7129         * gimplify.c (gimple_push_cleanup): Forced unconditional
7130         cleanups still have to go to the conditional_cleanups
7131         sequence.
7132
7133 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
7134
7135         PR tree-optimization/80072
7136         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
7137         to unsigned int.
7138         (next_operand_entry_id): Change type to unsigned int.
7139         (sort_by_operand_rank): Make sure to return the right return value
7140         even if unsigned fields are bigger than INT_MAX.
7141         (struct oecount): Change cnt and id type to unsigned int.
7142         (oecount_hasher::equal): Formatting fix.
7143         (oecount_cmp): Make sure to return the right return value
7144         even if unsigned fields are bigger than INT_MAX.
7145         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
7146
7147         PR c++/80129
7148         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
7149         TREE_READONLY on result if writing it more than once.
7150
7151         PR sanitizer/80110
7152         * doc/invoke.texi (-fsanitize=thread): Document that with
7153         -fnon-call-exceptions atomics are not able to throw
7154         exceptions.
7155
7156         PR sanitizer/80110
7157         * tsan.c: Include tree-eh.h.
7158         (instrument_builtin_call): Call maybe_clean_eh_stmt or
7159         maybe_clean_or_replace_eh_stmt where needed.
7160         (instrument_memory_accesses): Add cfg_changed argument.
7161         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
7162         if it returned true.
7163         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
7164
7165         PR rtl-optimization/63191
7166         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
7167         wrapper function, moved the whole old content into ...
7168         (ix86_delegitimize_address_1): ... this.  New inline function.
7169         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
7170         true as last argument instead of ix86_delegitimize_address.
7171
7172 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
7173
7174         * config/aarch64/aarch64.c (generic_branch_cost): Copy
7175         cortexa57_branch_cost.
7176
7177 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
7178
7179         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
7180
7181 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
7182
7183         PR target/80123
7184         * doc/md.texi (Constraints): Document wA constraint.
7185         * config/rs6000/constraints.md (wA): New.
7186         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
7187         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
7188         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
7189         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
7190
7191 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
7192
7193         PR c++/80029
7194         * gimplify.c (is_oacc_declared): New function.
7195         (oacc_default_clause): Use it to set default flags for acc declared
7196         variables inside parallel regions.
7197         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
7198         declared variables.
7199         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
7200         declare attribute to any decl as necessary.
7201
7202 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7203
7204         PR target/80082
7205         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
7206         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
7207         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
7208         (arm_arch_lpae): This.
7209         * config/arm/arm.c (arm_arch7ve): Rename into ...
7210         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
7211         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
7212         arm_arch_lpae.
7213
7214 2017-03-22  Martin Liska  <mliska@suse.cz>
7215
7216         PR target/79906
7217         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
7218         error message instead of an ICE.
7219
7220 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7221
7222         * doc/extend.texi (6.11 Additional Floating Types): Revise.
7223
7224 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7225
7226         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
7227         comments.
7228         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
7229         comments.
7230
7231 2017-03-21  Martin Sebor  <msebor@redhat.com>
7232
7233         * doc/extend.texi: Use "cannot" instead of "can't."
7234         * doc/hostconfig.texi: Same.
7235         * doc/install.texi: Same.
7236         * doc/invoke.texi: Same.
7237         * doc/loop.texi: Same.
7238         * doc/md.texi: Same.
7239         * doc/objc.texi: Same.
7240         * doc/rtl.texi: Same.
7241         * doc/tm.texi: Same.
7242         * doc/tm.texi.in: Same.
7243         * doc/trouble.texi: Same.
7244
7245 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
7246
7247         PR debug/63238
7248         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
7249         (collect_checksum_attributes): Set it.
7250         (die_checksum_ordered): Use it.
7251
7252 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7253
7254         PR tree-optimization/79908
7255         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
7256         change: For a VA_ARG whose LHS has been cast away, use
7257         force_gimple_operand to construct the side effects.
7258
7259 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
7260
7261         PR translation/80001
7262         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
7263         more amenable to translation.
7264         (oacc_loop_auto_partitions): Likewise.
7265
7266 2017-03-21  Marek Polacek  <polacek@redhat.com>
7267             Martin Sebor  <msebor@redhat.com>
7268
7269         PR tree-optimization/80109
7270         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
7271         on INTEGRAL_TYPE_P.
7272
7273 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
7274             Segher Boessenkool  <segher@kernel.crashing.org>
7275
7276         PR target/80125
7277         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
7278         check reg_used_between_p between insn and one of succ or succ2
7279         depending on if succ is artificial insn not inserted into insn
7280         stream.
7281
7282 2017-03-21  Martin Liska  <mliska@suse.cz>
7283
7284         PR gcov-profile/80081
7285         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
7286         * doc/gcc.texi: Include gcov-dump stuff.
7287         * doc/gcov-dump.texi: New file.
7288
7289 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
7290
7291         PR rtl-optimization/79150
7292         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
7293         conditional jump, if the jump is the last insn of the loop.
7294
7295 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7296             Richard Biener  <rguenth@suse.de>
7297
7298         PR tree-optimization/79908
7299         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
7300         been cast away, use force_gimple_operand to construct the side
7301         effects.
7302
7303 2017-03-21  Martin Liska  <mliska@suse.cz>
7304
7305         PR libfortran/79956
7306         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
7307         to NULL.
7308
7309 2017-03-21  Brad Spengler <spender@grsecurity.net>
7310
7311         PR plugins/80094
7312         * plugin.c (htab_hash_plugin): New function.
7313         (add_new_plugin): Use it and adjust.
7314         (parse_plugin_arg_opt): Adjust.
7315         (init_one_plugin): Likewise.
7316
7317 2017-03-21  Richard Biener  <rguenther@suse.de>
7318
7319         PR tree-optimization/80032
7320         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
7321         if set force the cleanup to happen unconditionally.
7322         (gimplify_target_expr): Push inserted clobbers with force_uncond
7323         to avoid them being removed by control-dependent DCE.
7324
7325 2017-03-21  Richard Biener  <rguenther@suse.de>
7326
7327         PR tree-optimization/80122
7328         * tree-inline.c (copy_bb): Do not expans va-arg packs or
7329         va_arg_pack_len when the inlined call stmt requires pack
7330         expansion itself.
7331         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
7332
7333 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
7334
7335         PR sanitizer/78158
7336         * tsan.c (instrument_builtin_call): If the memory model argument
7337         is not a constant, assume it is valid.
7338
7339         PR c/67338
7340         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
7341         avoid UB.
7342
7343 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
7344
7345         PR rtl-optimization/79910
7346         * combine.c (can_combine_p): Do not allow combining an I0 or I1
7347         if its dest is used by an insn before I2 (other than the combined
7348         insns themselves, which are properly handled already).
7349
7350 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
7351
7352         Revert:
7353         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
7354
7355         * combine.c (record_used_regs): New static function.
7356         (try_combine): Handle situations where there is an additional
7357         instruction between I2 and I3 which needs to have a LOG_LINK
7358         updated.
7359
7360         Revert:
7361         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
7362
7363         * combine.c (try_combine): Delete redundant i1 test.  Call
7364         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
7365
7366 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
7367
7368         PR target/80083
7369         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
7370         alternatives 13/14.
7371
7372 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7373
7374         PR tree-optimization/80054
7375         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
7376         the optimization if a PHI or any of its arguments is not dominated
7377         by the candidate's basis.  Use gphi* rather than gimple* as
7378         appropriate.
7379         (replace_profitable_candidates): Clean up a gimple* variable that
7380         should be a gphi* variable.
7381
7382 2017-03-20  Martin Sebor  <msebor@redhat.com>
7383
7384         PR c++/52477
7385         * doc/extend.texi (attribute constructor): Document present limitation.
7386
7387 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7388
7389         PR target/79963
7390         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
7391         __POWER9_VECTOR__ #ifdef control, change template definition to
7392         use Power9-specific built-in function.
7393         (vec_any_eq): Likewise.
7394         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
7395         to control outcomes from this test.
7396         (vector_ae_<mode>p): For VEC_F modes, likewise.
7397
7398 2017-03-20  Ian Lance Taylor  <iant@google.com>
7399
7400         * config/i386/i386.c (ix86_function_regparm): Save an extra
7401         register for -fsplit-stack with DECL_STATIC_CHAIN.
7402
7403 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
7404
7405         PR target/79912
7406         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
7407         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
7408
7409 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
7410
7411         * config/riscv/riscv.c (riscv_print_operand): Use "fence
7412         iorw,ow".
7413         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
7414         iorw,iorw".
7415
7416 2017-03-20  Marek Polacek  <polacek@redhat.com>
7417
7418         PR sanitizer/80063
7419         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
7420
7421 2017-03-20  Richard Biener  <rguenther@suse.de>
7422
7423         PR tree-optimization/80113
7424         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
7425         allocate extra SSA name for PHI def.
7426         (add_close_phis_to_outer_loops): Likewise.
7427         (add_close_phis_to_merge_points): Likewise.
7428         (copy_loop_close_phi_args): Likewise.
7429         (copy_cond_phi_nodes): Likewise.
7430
7431 2017-03-20  Martin Liska  <mliska@suse.cz>
7432
7433         PR middle-end/79753
7434         * tree-chkp.c (chkp_build_returned_bound): Do not build
7435         returned bounds for a LHS that's not a BOUNDED_P type.
7436
7437 2017-03-20  Martin Liska  <mliska@suse.cz>
7438
7439         PR target/79769
7440         PR target/79770
7441         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
7442         COMPLEX_CST and VECTOR_CST.
7443
7444 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7445
7446         PR target/78857
7447         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
7448         target operand.  A new splitter adds the clobber statement in case
7449         the target operand is dead anyway.
7450
7451 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
7452
7453         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
7454         to age-old versions of binutils and glibc.
7455
7456 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
7457
7458         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
7459
7460 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
7461
7462         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
7463
7464 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
7465
7466         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
7467         requirement for binutils 2.13.
7468
7469 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
7470
7471         * combine.c (try_combine): Delete redundant i1 test.  Call
7472         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
7473
7474 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
7475
7476         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
7477         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
7478         contents.
7479         <riscv64-*-elf>: Re-arrange section
7480         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
7481         <riscv32-*-linux>: Likewise.
7482         <riscv64-*-elf>: Likewise
7483         <riscv64-*-linux>: Likewise.
7484
7485 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
7486
7487         PR target/80052
7488         * aarch64.opt(verbose-cost-dump): Fix typo.
7489
7490 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
7491
7492         PR target/79951
7493         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
7494         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
7495
7496 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
7497
7498         * reload.c (find_reloads): When reloading a nonoffsettable address,
7499         use RELOAD_OTHER for it and its address reloads.
7500
7501         PR rtl-optimization/79910
7502         * combine.c (record_used_regs): New static function.
7503         (try_combine): Handle situations where there is an additional
7504         instruction between I2 and I3 which needs to have a LOG_LINK
7505         updated.
7506
7507 2017-03-17  Jeff Law  <law@redhat.com>
7508
7509         PR tree-optimization/71437
7510         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
7511         conditional in the hash table first.
7512         (vrp_dom_walker::before_dom_children): Extract condition from
7513         ASSERT_EXPR.  Record condition, its inverion and any implied
7514         conditions as well.
7515
7516 2017-03-17  Marek Polacek  <polacek@redhat.com>
7517             Markus Trippelsdorf  <markus@trippelsdorf.de>
7518
7519         PR tree-optimization/80079
7520         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
7521         m_stores_head.
7522
7523 2017-03-17  Richard Biener  <rguenther@suse.de>
7524
7525         PR middle-end/80075
7526         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
7527         Properly verify the LHS before the RHS possibly claims to be
7528         handled.
7529         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
7530         do not throw.
7531
7532 2017-03-17  Martin Jambor  <mjambor@suse.cz>
7533
7534         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
7535         (List of -O2 options): Likewise.
7536         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
7537         (-fipa-vrp) New.
7538
7539 2017-03-17  Tom de Vries  <tom@codesourcery.com>
7540
7541         * gcov-dump.c (print_usage): Print bug_report_url.
7542
7543 2017-03-17  Richard Biener  <rguenther@suse.de>
7544
7545         PR middle-end/80050
7546         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
7547         (parser::peek): Likewise.
7548
7549 2017-03-17  Richard Biener  <rguenther@suse.de>
7550
7551         PR tree-optimization/80048
7552         * sese.c (free_sese_info): Properly release rename_map and
7553         copied_bb_map elements.
7554
7555 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
7556
7557         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
7558         Add linked-list forward and backlinks.  Insert on
7559         construction, remove on destruction.
7560         (class pass_store_merging): Add m_stores_head field.
7561         (pass_store_merging::terminate_and_process_all_chains):
7562         Iterate over m_stores_head list.
7563         (pass_store_merging::terminate_all_aliasing_chains):
7564         Likewise.
7565         (pass_store_merging::execute): Check for debug stmts first.
7566         Push new chains onto the m_stores_head stack.
7567
7568 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
7569
7570         PR target/71294
7571         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
7572         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
7573         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
7574
7575 2017-03-16  Jeff Law  <law@redhat.com>
7576
7577         PR tree-optimization/71437
7578         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
7579         member function.  Implementation moved into after_dom_children
7580         member function and into the threader's thread_outgoing_edges
7581         function.
7582         (dom_opt_dom_walker::after_dom_children): Simplify by moving
7583         some code into new thread_outgoing_edges.
7584         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
7585         definition.  Simplify marker handling (do it here).   Assume we always
7586         have the available expression and the const/copies tables.
7587         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
7588         and tree-vrp.c
7589         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
7590         * tree-vrp.c (equiv_stack): No longer file scoped.
7591         (vrp_dom_walker): New class.
7592         (vrp_dom_walker::before_dom_children): New member function.
7593         (vrp_dom_walker::after_dom_children): Likewise.
7594         (identify_jump_threads):  Setup domwalker.  Use it rather than
7595         walking edges in a random order by hand.  Simplify setup/finalization.
7596         (finalize_jump_threads): Remove.
7597         (vrp_finalize): Do not call identify_jump_threads here.
7598         (execute_vrp): Do it here instead and call thread_through_all_blocks
7599         here too.
7600
7601         PR tree-optimization/71437
7602         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
7603         callers changed.
7604         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
7605         callers changed.
7606         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
7607         (dom_opt_dom_walker::thread_across_edge): Remove
7608         handle_dominating_asserts argument.  All callers changed.
7609         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
7610         changes.  Remove calls to lhs_of_dominating_assert.  Other
7611         uses of handle_dominating_asserts turn into unconditional code
7612         (simplify_control_stmt_condition_1): Likewise.
7613         (simplify_control_stmt_condition): Likewise.
7614         (thread_through_normal_block, thread_across_edge): Likewise.
7615         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
7616         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
7617         object if it is not an SSA_NAME.
7618         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
7619         before calling into the VRP specific simplifiers.
7620         (identify_jump_threads): Remove handle_dominating_asserts
7621         argument.
7622
7623 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
7624
7625         PR fortran/79886
7626         * tree-diagnostic.c (default_tree_printer): No longer static.
7627         * tree-diagnostic.h (default_tree_printer): New prototype.
7628
7629 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
7630
7631         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
7632         Change ins into fmov.
7633
7634 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7635
7636         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
7637         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
7638         Use h_con constraint for operand 1.
7639         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
7640         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
7641
7642 2017-03-15  Jeff Law  <law@redhat.com>
7643
7644         PR tree-optimization/71437
7645         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
7646         (record_temporary_equivalences): Use it.
7647
7648         PR tree-optimization/71437
7649         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
7650         tree-ssa-scopedtables.
7651         (lookup_avail_expr, build_and_record_new_cond): Likewise.
7652         (record_conditions, record_cond, vuse_eq): Likewise.
7653         (record_edge_info): Adjust to API tweak of record_conditions.
7654         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
7655         (record_temporary_equivalences, optimize_stmt): Likewise.
7656         (eliminate_redundant_computations): Likewise.
7657         (record_equivalences_from_stmt): Likewise.
7658         * tree-ssa-scopedtables.c: Include options.h and params.h.
7659         (vuse_eq): New function, moved from tree-ssa-dom.c
7660         (build_and_record_new_cond): Likewise.
7661         (record_conditions): Likewise.  Accept vector of conditions rather
7662         than edge_equivalence structure for first argument.
7663         for the first argument.
7664         (avail_exprs_stack::lookup_avail_expr): New member function, moved
7665         from tree-ssa-dom.c.
7666         (avail_exprs_stack::record_cond): Likewise.
7667         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
7668         from tree-ssa-dom.c.
7669         (avail_exprs_stack): Add new member functions lookup_avail_expr
7670         and record_cond.
7671         (record_conditions): Declare.
7672
7673 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
7674
7675         PR target/80017
7676         * lra-constraints.c (process_alt_operands): Increase reject for
7677         reloading an input/output operand.
7678
7679 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
7680
7681         PR target/79038
7682         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
7683         insns to convert from signed/unsigned char/short to IEEE 128-bit
7684         floating point.
7685         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
7686
7687 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
7688
7689         PR target/80019
7690         * config/i386/i386.c (ix86_vector_duplicate_value): Create
7691         subreg of inner mode for values already in registers.
7692
7693 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
7694
7695         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
7696         iteration reg is used after the loop.
7697
7698 2017-03-14  Martin Sebor  <msebor@redhat.com>
7699
7700         PR tree-optimization/79800
7701         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
7702         precision in negative-positive range.
7703         (format_floating): Call non-const overload with adjusted precision.
7704
7705 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
7706
7707         PR target/79947
7708         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
7709         -mpowerpc-gfxopt.
7710
7711 2017-03-14  Martin Sebor  <msebor@redhat.com>
7712
7713         PR middle-end/80020
7714         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
7715         * builtins.def (aligned_alloc): Use it.
7716
7717         PR c/79936
7718         * Makefile.in (GTFILES): Add calls.c.
7719         * calls.c: Include "gt-calls.h".
7720
7721 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
7722
7723         PR rtl-optimization/79728
7724         * regs.h (struct target_regs): New field
7725         x_contains_allocatable_regs_of_mode.
7726         (contains_allocatable_regs_of_mode): New macro.
7727         * reginfo.c (init_reg_sets_1): Initialize it, and change
7728         contains_reg_of_mode so it includes global regs as well.
7729         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
7730         rather than contains_regs_of_mode.
7731
7732 2017-03-14  Martin Liska  <mliska@suse.cz>
7733
7734         * doc/invoke.texi: Document options that can't be combined with
7735         -fcheck-pointer-bounds.
7736
7737 2017-03-14  Martin Liska  <mliska@suse.cz>
7738
7739         PR middle-end/79831
7740         * doc/invoke.texi (-Wchkp): Document the option.
7741
7742 2017-03-14  Martin Liska  <mliska@suse.cz>
7743
7744         * Makefile.in: Install gcov-dump.
7745
7746 2017-03-14  Martin Liska  <mliska@suse.cz>
7747
7748         * multiple_target.c (expand_target_clones): Bail out for
7749         an invalid attribute.
7750
7751 2017-03-14  Richard Biener  <rguenther@suse.de>
7752
7753         * alias.c (struct alias_set_entry): Pack properly.
7754         * cfgloop.h (struct loop): Likewise.
7755         * cse.c (struct set): Likewise.
7756         * ipa-utils.c (struct searchc_env): Likewise.
7757         * loop-invariant.c (struct invariant): Likewise.
7758         * lra-remat.c (struct cand): Likewise.
7759         * recog.c (struct change_t): Likewise.
7760         * rtl.h (struct address_info): Likewise.
7761         * symbol-summary.h (function_summary): Likewise.
7762         * tree-loop-distribution.c (struct partition): Likewise.
7763         * tree-object-size.c (struct object_size_info): Likewise.
7764         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
7765         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
7766         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
7767         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
7768         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
7769         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
7770         (struct _stmt_vec_info): Likewise.
7771
7772 2017-03-14  Martin Liska  <mliska@suse.cz>
7773
7774         PR target/79892
7775         * multiple_target.c (create_dispatcher_calls): Check that
7776         a target can create a function dispatcher.
7777
7778 2017-03-14  Martin Liska  <mliska@suse.cz>
7779
7780         PR lto/66295
7781         * multiple_target.c (expand_target_clones): Drop local.local
7782         flag for default implementation.
7783
7784 2017-03-14  Richard Biener  <rguenther@suse.de>
7785
7786         PR tree-optimization/80030
7787         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
7788
7789 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
7790
7791         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
7792         gcc_fallthrough() instead of __attribute__((fallthrough));
7793
7794 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
7795
7796         * doc/gcc.texi: Remove "up" link to (DIR).
7797         * doc/gccint.texi: Ditto.
7798
7799 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
7800
7801         * doc/install.texi (Specific) <avr>: Remove reference to
7802         binutils 2.13.
7803
7804 2017-03-13  Jeff Law  <law@redhat.com>
7805
7806         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
7807         attribute rather than comments.
7808
7809         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
7810         match_scratch operand is highest.
7811
7812 2017-03-13  Martin Liska  <mliska@suse.cz>
7813
7814         PR middle-end/78339
7815         * ipa-pure-const.c (warn_function_noreturn): If the declarations
7816         is a CHKP clone, use original declaration.
7817
7818 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
7819
7820         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
7821         (arc_conditional_register_usage): Use a different allocation order
7822         when optimizing for size.
7823         * common/config/arc/arc-common.c (arc_option_optimization_table):
7824         Section anchors default on when optimizing for size.
7825
7826 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
7827
7828         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
7829
7830 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
7831
7832         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
7833         * config/arc/arc.md (cpu_facility): Add cd variant.
7834         (*movqi_insn): Add code density variant.
7835         (*movhi_insn): Likewise.
7836         (*movqi_insn): Likewise.
7837         (*addsi3_mixed): Likewise.
7838         (subsi3_insn): Likewise.
7839
7840 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
7841
7842         * config/arc/arc.md (movsi_cond_exec): Update constraint.
7843
7844 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
7845
7846         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
7847         expressions with MINUS and UNARY ops.
7848
7849 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7850
7851         PR target/79911
7852         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
7853         Rename to...
7854         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
7855         between vec_select and vector argument.
7856         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
7857         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
7858         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
7859         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
7860         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
7861         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
7862
7863 2017-03-13  Richard Biener  <rguenther@suse.de>
7864
7865         PR other/79991
7866         * params.def (vect-max-peeling-for-alignment): Fix typo.
7867
7868 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
7869
7870         * doc/install.texi (Specific) <mips-*-*>: Remove description of
7871         issue that only occurred with binutils below 2.18.
7872
7873 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
7874
7875         * doc/install.texi (Specific) <cris-axis-elf>: No longer
7876         refer to binutils 2.11/2.12 minimum.
7877
7878 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
7879
7880         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
7881         ftp.kernel.org and simplify binutils requirement.
7882
7883 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
7884
7885         * doc/invoke.texi (Warning Options): Fix spelling of link-time
7886         optimization.
7887         (Optimize Options): Ditto.  Also remove redundancy.
7888
7889 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
7890
7891         PR translation/79848
7892         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
7893         "%qs".
7894         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
7895         to G_ to avoid double translation.
7896
7897 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
7898
7899         PR translation/79923
7900         * auto-profile.c (get_combined_location): Convert leading
7901         character of diagnostics to lower case and remove trailing period.
7902         (read_profile): Likewise for various diagnostics.
7903         * config/arm/arm.c (arm_option_override): Remove trailing period
7904         from various diagnostics.
7905         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
7906         (msp430_expand_delay_cycles): Likewise.
7907
7908 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
7909
7910         PR target/79925
7911         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
7912         full command-line argument, rather than just "str".
7913         (aarch64_validate_march): Likewise.
7914         (aarch64_validate_mtune): Likewise.
7915
7916 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
7917
7918         PR rtl-optimization/78911
7919         * lra-assigns.c (must_not_spill_p): New function.
7920         (spill_for): Use it.
7921
7922 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
7923
7924         PR tree-optimization/79981
7925         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
7926         ATOMIC_COMPARE_EXCHANGE ifn result.
7927         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
7928         IFN_ATOMIC_COMPARE_EXCHANGE.
7929
7930 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
7931
7932         PR driver/79875
7933         * opts.c (parse_sanitizer_options): Add missing question mark to
7934         "did you mean" message.
7935
7936 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7937
7938         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
7939         built-in.
7940         (VMULEUH_UNS): Likewise.
7941         (VMULOUB_UNS): Likewise.
7942         (VMULOUH_UNS): Likewise.
7943         * config/rs6000/rs6000.c (builtin_function_type): Remove
7944         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
7945
7946 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
7947
7948         PR bootstrap/79952
7949         * read-rtl-function.c (function_reader::read_rtx_operand): Update
7950         x with result of extra_parsing_for_operand_code_0.
7951         (function_reader::extra_parsing_for_operand_code_0): Convert
7952         return type from void to rtx, returning x.  When reading
7953         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
7954         larger size containing struct block_symbol.
7955
7956 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
7957
7958         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
7959         -mfloat128-hardware without -m64.
7960
7961 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
7962
7963         PR target/79941
7964         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
7965         entries to the case statement that marks unsigned arguments to
7966         overloaded functions.
7967
7968 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7969
7970         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
7971         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
7972
7973 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
7974
7975         PR target/79907
7976         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
7977         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
7978
7979 2017-03-10  Martin Liska  <mliska@suse.cz>
7980
7981         PR target/65705
7982         PR target/69804
7983         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
7984         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
7985         FIELD != NULL.
7986
7987 2017-03-10  Olivier Hainque  <hainque@adacore.com>
7988
7989         * tree-switch-conversion (array_value_type): Start by resetting
7990         candidate type to it's main variant.
7991
7992 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
7993
7994         PR rtl-optimization/79909
7995         * combine.c (try_combine): Use simplify_replace_rtx on individual
7996         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
7997         of the whole CALL_INSN_FUNCTION_USAGE.
7998
7999         PR tree-optimization/79972
8000         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
8001         get_range_info on SSA_NAMEs.  Formatting fixes.
8002
8003 2017-03-10  Richard Biener  <rguenther@suse.de>
8004             Jakub Jelinek  <jakub@redhat.com>
8005
8006         PR tree-optimization/77975
8007         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
8008         edge to be constant.
8009         (get_val_for): For constant x return it.  Formatting fix.
8010         (loop_niter_by_eval): Avoid pointless looping if the next iteration
8011         would use the same bases as the current one.
8012
8013 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8014
8015         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
8016         instead of vec_select for V1TImode.
8017         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
8018         longer needed.
8019         (VSX_LE_128): Add V1TI to this mode iterator.
8020         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
8021         (*vsx_le_perm_store_<mode>): Likewise.
8022         (pre-reload splitter for VSX stores): Likewise.
8023         (post-reload splitter for VSX stores): Likewise.
8024         (*vsx_xxpermdi2_le_<mode>): Likewise.
8025         (*vsx_lxvd2x2_le_<mode>): Likewise.
8026         (*vsx_stxvd2x2_le_<mode>): Likewise.
8027
8028 2017-03-09  Michael Eager  <eager@eagercon.com>
8029
8030         Correct failures with --enable-checking=yes,rtl.
8031
8032         * config/microblaze/microblaze.c (microblaze_expand_shift):
8033         Replace GET_CODE test with CONST_INT_P and INTVAL test with
8034         test for const0_rtx.
8035         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
8036         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
8037
8038 2017-03-09  Richard Biener  <rguenther@suse.de>
8039
8040         PR tree-optimization/79977
8041         * graphite-scop-detection.c (scop_detection::merge_sese):
8042         Handle the case of extra exits to blocks dominating the entry.
8043
8044 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
8045
8046         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
8047         Document rdynamic.
8048
8049 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
8050
8051         PR rtl-optimization/79949
8052         * lra-constraints.c (process_alt_operands): Check memory when
8053         trying to predict a cycle.  Print about the overall increase.
8054
8055 2017-03-09  Richard Biener  <rguenther@suse.de>
8056
8057         PR middle-end/79971
8058         * gimple-expr.c (useless_type_conversion_p): Preserve
8059         TYPE_SATURATING for fixed-point types.
8060
8061 2017-03-09  Richard Biener  <rguenther@suse.de>
8062
8063         PR ipa/79970
8064         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
8065         alignment of BLKmode params.
8066
8067 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8068
8069         PR target/79913
8070         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
8071         (VALL_NO_V2Q): Likewise.
8072         (VDQF_DF): Delete.
8073         * config/aarch64/aarch64-simd.md
8074         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
8075         iterator.
8076         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
8077         VALL_NO_V2Q mode iterator.
8078         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
8079
8080 2017-03-09  Martin Liska  <mliska@suse.cz>
8081
8082         PR tree-optimization/79631
8083         * tree-chkp-opt.c (chkp_is_constant_addr): Call
8084         tree_int_cst_sign_bit just for INTEGER constants.
8085
8086 2017-03-09  Martin Liska  <mliska@suse.cz>
8087
8088         PR target/65705
8089         PR target/69804
8090         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
8091         sanitizers.
8092
8093 2017-03-09  Marek Polacek  <polacek@redhat.com>
8094
8095         PR c++/79672
8096         * tree.c (inchash::add_expr): Handle TREE_VEC.
8097
8098 2017-03-09  Martin Liska  <mliska@suse.cz>
8099
8100         PR ipa/79764
8101         (chkp_narrow_size_and_offset): New function.
8102         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
8103         (void chkp_parse_bit_field_ref): New function.
8104         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
8105         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
8106
8107 2017-03-09  Martin Liska  <mliska@suse.cz>
8108
8109         PR ipa/79761
8110         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
8111         (chkp_find_bounds_1): Remove gcc_unreachable.
8112
8113 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
8114
8115         PR sanitizer/79944
8116         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
8117         BUILT_IN_SYNC*, determine the access type from the size suffix and
8118         always build a MEM_REF with that type.  Handle forgotten
8119         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
8120
8121         PR target/79932
8122         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
8123         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
8124         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
8125         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
8126         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
8127         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
8128         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
8129         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
8130         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
8131         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
8132         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
8133         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
8134         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
8135         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
8136         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
8137         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
8138         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
8139         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
8140         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
8141         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
8142         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
8143         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
8144         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
8145         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
8146         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
8147         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
8148         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
8149         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
8150         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
8151         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
8152         definitions outside of __OPTIMIZE__ guarded section.
8153
8154         PR target/79932
8155         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
8156         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
8157         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
8158         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
8159         guarded section.
8160
8161 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8162
8163         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
8164         ("vfenez<mode>"): Add missing constraints.
8165
8166 2017-03-08  Martin Sebor  <msebor@redhat.com>
8167
8168         PR target/79928
8169         * config/nds32/nds32.c (nds32_option_override):
8170         Fix misspelled diagnostic.
8171
8172 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
8173
8174         PR c/79940
8175         * gimplify.c (gimplify_omp_for): Replace index var in outer
8176         taskloop statement with an artificial variable and add
8177         OMP_CLAUSE_PRIVATE clause for it.
8178
8179 2017-03-08  Richard Biener  <rguenther@suse.de>
8180
8181         PR tree-optimization/79955
8182         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
8183         for accesses that are completely outside of the variable.
8184
8185 2017-03-08  Andrew Haley  <aph@redhat.com>
8186
8187         PR tree-optimization/79943
8188         * tree-ssa-loop-split.c (compute_new_first_bound): When
8189         calculating the new upper bound, (END-BEG) should be added, not
8190         subtracted.
8191
8192 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
8193
8194         * config/avr/avr.md (setmemhi): Make sure match_dup
8195         operand number comes before match_scratch.
8196
8197 2017-03-08  Richard Biener  <rguenther@suse.de>
8198
8199         PR tree-optimization/79920
8200         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
8201         with ncopies == 1 to ...
8202         (vect_transform_slp_perm_load): ... here.  Properly compute
8203         all element loads by iterating VF times over the group.  Do
8204         not handle ncopies (computed in a broken way) in
8205         vect_create_mask_and_perm.
8206
8207 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
8208
8209         PR sanitizer/79904
8210         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
8211         is a uniform vector, use uniform_vector_p return value instead of
8212         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
8213
8214 2017-03-07  Marek Polacek  <polacek@redhat.com>
8215
8216         PR middle-end/79809
8217         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
8218         (alloca_call_type): Likewise.
8219
8220 2017-03-07  Martin Liska  <mliska@suse.cz>
8221
8222         * gcov.c (process_args): Put comment to correct location.
8223
8224 2017-03-07  Martin Liska  <mliska@suse.cz>
8225
8226         PR middle-end/68270
8227         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
8228         Use array_at_struct_end_p instead of DECL_CHAIN (field).
8229         (chkp_narrow_bounds_for_field): Likewise.
8230         (chkp_parse_array_and_component_ref): Pass one more argument to
8231         call.
8232
8233 2017-03-07  Richard Biener  <rguenther@suse.de>
8234
8235         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
8236         preheaders.
8237
8238 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
8239
8240         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
8241         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
8242
8243 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8244
8245         PR c/79855
8246         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
8247         to end of description.
8248         (PARAM_MAX_STORES_TO_MERGE): Likewise.
8249
8250 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
8251
8252         PR rtl-optimization/79901
8253         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
8254         ...
8255         (*avx512f_<code><mode>3<mask_name>): ... this.
8256         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
8257         iterator instead of VI8_AVX2_AVX512BW.
8258
8259         PR rtl-optimization/79901
8260         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
8261         min/max expander, expand it using expand_vec_cond_expr.
8262
8263         PR sanitizer/79897
8264         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
8265         temporary.
8266
8267 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
8268
8269         PR c++/79821
8270         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
8271         to void * for PCH reasons.
8272         * dwarf2out.c (output_loc_operands, output_die): Cast
8273         v.val_vec.array to unsigned char *.
8274
8275 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
8276
8277         PR target/77850
8278         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
8279         vector types.
8280
8281 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
8282
8283         PR rtl-optimization/79571
8284         * lra-constraints.c (process_alt_operands): Calculate static
8285         reject and subtract it from overall when only addresses will be
8286         reloaded.
8287
8288 2017-03-06  Julia Koval  <julia.koval@intel.com>
8289
8290         PR target/79793
8291         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
8292         incoming stack boundary to 128 for 64-bit targets.
8293
8294 2017-03-06  Richard Biener  <rguenther@suse.de>
8295
8296         PR tree-optimization/79894
8297         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
8298         to NULL after folding it.
8299
8300 2017-03-06  Richard Biener  <rguenther@suse.de>
8301
8302         PR tree-optimization/79824
8303         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
8304         check disabling peeling for gaps.
8305
8306 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
8307
8308         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
8309         attributes): Document gettimeofday.
8310
8311 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
8312
8313         * config/s390/s390.c (s390_option_override_internal): Set
8314         PARAM_MIN_VECT_LOOP_BOUND
8315
8316 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
8317
8318         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
8319         * config/s390/s390.md: Likewise.
8320
8321 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
8322
8323         PR target/79812
8324         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
8325         (<avx2_avx512>_perm<mode>): Rename to ...
8326         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
8327         of VI8F_256_512.
8328         (<avx512>_perm<mode>_mask): Rename to ...
8329         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
8330         of VI8F_256_512.
8331         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
8332         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
8333         instead of VI8F_256_512.
8334         (avx512f_perm<mode>): New define_expand.
8335         (avx512f_perm<mode>_mask): Likewise.
8336         (avx512f_perm<mode>_1<mask_name>): New define_insn.
8337         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
8338
8339 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
8340
8341         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
8342         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
8343         if_then_else.
8344         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
8345
8346 2017-03-06  Martin Liska  <mliska@suse.cz>
8347
8348         PR sanitize/79783
8349         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
8350         when having a SSA NAME w/o VAR_DECL assigned to it.
8351
8352 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
8353
8354         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
8355         msa_dpsub_<su>_d): Fix MODE for vec_select.
8356
8357 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
8358
8359         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
8360         argument.
8361         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
8362
8363 2017-03-06  Richard Biener  <rguenther@suse.de>
8364
8365         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
8366         * plugin.c (register_plugin_info): Likewise.
8367         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
8368
8369 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
8370
8371         * config/i386/sse.md (sse_storehps, sse_storelps,
8372         avx_<castmode><avxsizesuffix>_<castmode>,
8373         avx512f_<castmode><avxsizesuffix>_<castmode>,
8374         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
8375         in condition that at least one operand is not a MEM.
8376
8377 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
8378
8379         PR middle-end/79805
8380         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
8381         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
8382         ECF_NOTHROW.
8383         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
8384         gimple_call_nothrow_p flag based on whether original builtin can throw.
8385         If it can, emit following stmts on the fallthrough edge.
8386         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
8387         don't create new bb if inserting just debug stmts on the edge, try to
8388         insert them on the fallthru bb or just reset debug stmts.
8389
8390 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
8391
8392         PR target/43763
8393         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
8394         restore recog_data (including the operand rtxes inside it) around
8395         the call to get_insn_template.
8396
8397 2017-03-03  Martin Sebor  <msebor@redhat.com>
8398
8399         PR tree-optimization/79699
8400         * context.c (context::~context): Free MPFR caches to avoid
8401         a memory leak on program exit.
8402
8403 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8404
8405         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
8406         Use wide_int::ulow () instead of .elt (0).
8407
8408 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
8409
8410         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
8411         (*pushxf): Limit oF constraint to 32bit targets and add oC
8412         constraint for 64bit targets.
8413         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
8414         (*pushdf): Change rmF constraint to rmC.
8415
8416 2017-03-03  Martin Liska  <mliska@suse.cz>
8417
8418         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
8419         Remove unused variable.
8420
8421 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
8422
8423         PR target/79807
8424         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
8425         is a memory operand, increase num_memory.
8426         (ix86_expand_args_builtin): Likewise.
8427
8428 2017-03-03  Jan Hubicka  <jh@suse.cz>
8429
8430         PR lto/79760
8431         * ipa-devirt.c (maybe_record_node): Properly handle
8432         __cxa_pure_virtual visibility.
8433
8434 2017-03-03  Martin Liska  <mliska@suse.cz>
8435
8436         PR tree-optimization/79803
8437         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
8438         assert.
8439         (pass_loop_prefetch::execute): Disabled optimization if an
8440         assumption about L1 cache size is not met.
8441
8442 2017-03-03  Martin Liska  <mliska@suse.cz>
8443
8444         PR rtl-optimization/79574
8445         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
8446         (hash_scan_set): Likewise.
8447         (dump_hash_table): Likewise.
8448         (hoist_code): Likewise.
8449
8450 2017-03-03  Richard Biener  <rguenther@suse.de>
8451
8452         * fixed-value.c (fixed_from_string): Restore use of elt (1)
8453         in place of uhigh ().
8454         (fixed_convert_from_real): Likewise.
8455
8456 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
8457
8458         PR target/79514
8459         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
8460
8461 2017-03-03  Richard Biener  <rguenther@suse.de>
8462
8463         PR middle-end/79818
8464         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
8465         TYPE_OVERFLOW_UNDEFINED check.
8466
8467 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8468
8469         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
8470         numbers.
8471         (vector_ae_<mode>_p): Likewise.
8472         (vector_nez_<mode>_p): Likewise.
8473         (vector_ne_v2di_p): Likewise.
8474         (vector_ae_v2di_p): Likewise.
8475         (vector_ne_<mode>_p): Likewise.
8476         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
8477         numbers.
8478         (vsx_tsqrt<mode>2_fe): Likewise.
8479
8480 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
8481
8482         PR target/79514
8483         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
8484
8485 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
8486
8487         PR rtl-optimization/79780
8488         * cprop.c (one_cprop_pass): When second and further conditional trap
8489         in a single basic block is turned into an unconditional trap, turn it
8490         into a deleted note to avoid RTL verification failures.
8491
8492 2017-03-02  Richard Biener  <rguenther@suse.de>
8493
8494         * fold-const.c (const_binop): Use ulow () instead of elt (0).
8495
8496 2017-03-02  Richard Biener  <rguenther@suse.de>
8497
8498         PR tree-optimization/79345
8499         PR c++/42000
8500         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
8501         param and abort the walk, returning -1 if it is hit.
8502         (walk_aliased_vdefs): Take a limit param and pass it on.
8503         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
8504         defaulting to 0 and return a signed int.
8505         * tree-ssa-uninit.c (struct check_defs_data): New struct.
8506         (check_defs): New helper.
8507         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
8508         about uninitialized memory.
8509         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
8510         bogus uninitialized warning.
8511         (fixed_convert_from_real): Likewise.
8512
8513 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
8514
8515         PR tree-optimization/66768
8516         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
8517         iv_use if base object can't be determined.
8518
8519 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
8520
8521         PR tree-optimization/79345
8522         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
8523         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
8524         (get_pattern_stats): Initialize it.
8525         * genemit.c (gen_expand): Verify match_scratch numbers come after
8526         match_operand/match_dup numbers.
8527         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
8528         match_scratch numbers.
8529         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
8530         Likewise.
8531         * config/s390/s390.md (trunctdsd2): Likewise.
8532
8533 2017-03-02  Richard Biener  <rguenther@suse.de>
8534
8535         * wide-int.h (wide_int_storage::operator=): Implement in terms
8536         of wi::copy.
8537
8538 2017-03-02  Richard Biener  <rguenther@suse.de>
8539
8540         PR tree-optimization/79777
8541         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
8542         the to insert expression to sth existing.
8543
8544 2017-03-01  Martin Sebor  <msebor@redhat.com>
8545
8546         PR middle-end/79692
8547         * gimple-ssa-sprintf.c
8548         (directive::known_width_and_precision): New function.
8549         (format_integer): Use it.
8550         (get_mpfr_format_length): Consider the full range of precision
8551         when computing %g output with the # flag.  Set the likely byte
8552         count to 3 rather than 1 when precision is indeterminate.
8553         (format_floating): Correct the lower bound of precision.
8554
8555 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8556
8557         * doc/invoke.texi: Document default code model for 64-bit Linux.
8558
8559 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
8560
8561         PR target/79752
8562         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
8563         udiv rather than div since input pattern is unsigned.
8564
8565 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
8566
8567         * config/i386/i386.c (print_reg): Warn for values of
8568         unsupported size in integer register.
8569
8570 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
8571
8572         PR target/79439
8573         * config/rs6000/predicates.md (current_file_function_operand): Do
8574         not allow self calls to be local if the function is replaceable.
8575
8576 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8577
8578         PR target/79395
8579         * config/rs6000/altivec.h (vec_ctz and others): Change the
8580         preprocessor macro that controls conditional compilation from
8581         _ARCH_PWR9 to __POWER9_VECTOR__.
8582         (vec_all_ne): Change parameterization of __altivec_scalar_pred
8583         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
8584         control (instead of _ARCH_PWR9 control) so that template
8585         definition uses power9-specific function.
8586         (vec_any_eq): Likewise.
8587         (vec_all_ne): Change macro definition to use a power9-specific
8588         expansion under #ifdef __POWER9_VECTOR__ control (instead of
8589         _ARCH_PWR9 control).
8590         (vec_any_eq) Likewise.
8591         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
8592         expansion for CMPNEF to remove support for xvcmpnesp instruction.
8593         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
8594         support for xvcmpnedp instruction.
8595         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
8596         macro expansion so that Power9 implementation of vec_all_ne does
8597         not use the AltiVec predicate framework.
8598         (VCMPNEH_P): Likewise.
8599         (VCMPNEW_P): Likewise.
8600         (VCMPNED_P): Likewise.
8601         (VCMPNEFP_P): Likewise.
8602         (VCMPNEDP_P): Likewise.
8603         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
8604         implementation of vec_any_eq to not use AltiVec predicate
8605         framework.
8606         (VCMPAEH_P): Likewise.
8607         (VCMPAEW_P): Likewise.
8608         (VCMPAED_P): Likewise.
8609         (VCMPAEFP_P): Likewise.
8610         (VCMPAEDP_P): Likewise.
8611         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
8612         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
8613         not use the AltiVec predicate framework.
8614         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
8615         of vec_any_eq to not use AltiVec predicate framework.
8616         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
8617         support for predefined __POWER9_VECTOR__ macro to indicate that
8618         Power9 instruction selection is enabled.
8619         (altivec_overloaded_builtins): Remove extraneous
8620         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
8621         function argument types RS6000_BTI_bool_V16QI and
8622         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
8623         entry for overloaded function argument types RS6000_BTI_bool_V4SI
8624         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
8625         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
8626         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
8627         Power9 for implementations of vec_cmpne.  Change the signature for
8628         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
8629         (representing vec_all_ne) to remove the previously described first
8630         argument of type RS6000_BTI_INTSI, as this was an artifact of
8631         reliance on the AltiVec predicate framework, which is no longer
8632         used in the implementation of these functions.  Add
8633         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
8634         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
8635         since, unlike the AltiVec predicate framework implementation, we
8636         do not share function descriptors between vec_alle and vec_anyeq.
8637         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
8638         set of modes that receive special treatment even when
8639         TARGET_P9_VECTOR is true.  The special treatment emits code that
8640         does not depend on Power9 instructions.
8641         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
8642         define_expand to not rely on AltiVec predicate framework.
8643         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
8644         function.
8645         (vector_ne_v2di_p): Change this define_expand to not rely on
8646         AltiVec predicate framework.
8647         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
8648         function.
8649         (vector_ne_<mode>_p): Change this define_expand to not rely on
8650         AltiVec predicate framework.
8651         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
8652         function.
8653         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
8654         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
8655         define_insn pattern.
8656         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
8657         define_insn pattern because the xvcmpne<VSs>. instruction is not
8658         supported.
8659         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
8660         instruction is not supported.
8661
8662 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
8663
8664         * config/nvptx/nvptx.c: Include intl.h.
8665
8666 2017-03-01  Martin Jambor  <mjambor@suse.cz>
8667
8668         PR lto/78140
8669         * ipa-prop.h (ipa_bits): Removed field known.
8670         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
8671         to pointers.  Adjusted their comments to warn about their sharing.
8672         (ipcp_transformation_summary): Change bits to a vector of pointers.
8673         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
8674         (ipa_get_ipa_bits_for_value): Declare.
8675         * tree-vrp.h (value_range): Mark as GTY((for_user)).
8676         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
8677         (ipa_bits_hash_table): Likewise.
8678         (ipa_vr_ggc_hash_traits): Likewise.
8679         (ipa_vr_hash_table): Likewise.
8680         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
8681         being pointers and vr_known being removed.
8682         (ipa_set_jf_unknown): Likewise.
8683         (ipa_get_ipa_bits_for_value): New function.
8684         (ipa_set_jfunc_bits): Likewise.
8685         (ipa_get_value_range): New overloaded functions.
8686         (ipa_set_jfunc_vr): Likewise.
8687         (ipa_compute_jump_functions_for_edge): Use the above functions to
8688         construct bits and vr parts of jump functions.
8689         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
8690         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
8691         exist.
8692         (ipcp_grow_transformations_if_necessary): Also allocate
8693         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
8694         exist.
8695         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
8696         them.  Fix too long lines.
8697         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
8698         vr_known being removed.
8699         (ipa_read_jump_function): Use new setter functions to construct bits
8700         and vr parts of jump functions or set them to NULL.
8701         (write_ipcp_transformation_info): Adjust for bits being pointers.
8702         (read_ipcp_transformation_info): Likewise.
8703         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
8704         space.
8705         Include gt-ipa-prop.h.
8706         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
8707         being pointers.
8708         (ipcp_store_bits_results): Likewise.
8709         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
8710         Do not write to existing jump functions but use a temporary instead.
8711
8712 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
8713
8714         PR c++/79681
8715         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
8716         attempt to use its first operand as BIT_FIELD_REF base.
8717
8718 2017-03-01  Richard Biener  <rguenther@suse.de>
8719
8720         PR middle-end/79721
8721         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
8722         interpolating formula in wrapping arithmetic.
8723         (chrec_apply): Convert chrec_evaluate return value to wanted type.
8724
8725 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
8726
8727         PR tree-optimization/79734
8728         * tree-vect-generic.c (expand_vector_condition): Optimize
8729         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
8730         Handle VEC_COND_EXPR where comparison has different inner width from
8731         type's inner width.
8732
8733 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
8734
8735         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
8736         markup, and similar issues.  Remove @opindex entries for things
8737         that aren't options.  Add missing -mmpy-option entries.
8738
8739 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
8740
8741         PR tree-optimization/79737
8742         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
8743         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
8744         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
8745         instead of byte_size.  Formatting fix.
8746         (shift_bytes_in_array_right): Formatting fix.
8747
8748 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
8749
8750         PR target/79749
8751         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
8752         condition on optimize for the leaf function test.
8753
8754 2017-02-28  Martin Liska  <mliska@suse.cz>
8755
8756         PR lto/79625
8757         * read-rtl-function.c (function_reader::handle_unknown_directive):
8758         Bail out when one uses -flto.
8759
8760 2017-02-28  Martin Liska  <mliska@suse.cz>
8761
8762         * common.opt: Replace space with tabular for options of <number>
8763         type.
8764         * config/i386/i386.opt: Show <number> value for
8765         -mlarge-data-threshold.
8766         * opts.c (print_filtered_help): Do not display number in hexadecimal
8767         format.
8768
8769 2017-02-28  Martin Liska  <mliska@suse.cz>
8770
8771         * common.opt: Fix --help=option -Q for options which are of
8772         an enum type.
8773
8774 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
8775
8776         * config/i386/i386.c (print_reg): Error out for values
8777         of 8-bit size in invalid integer register.
8778
8779 2017-02-28  Martin Sebor  <msebor@redhat.com>
8780
8781         PR tree-optimization/79691
8782         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
8783
8784 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
8785
8786         PR target/79729
8787         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
8788         gcc_unreachable with output_operand_lossage.
8789
8790 2017-02-28  Richard Biener  <rguenther@suse.de>
8791
8792         PR tree-optimization/79740
8793         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
8794         inserts.
8795         (visit_nary_op): Insert the nary into the hashtable if we
8796         pattern-matched sth.
8797         * tree-ssa-pre.c (eliminate_insert): Robustify.
8798
8799 2017-02-28  Richard Biener  <rguenther@suse.de>
8800
8801         PR middle-end/79731
8802         * fold-const.c (decode_field_reference): Reject out-of-bound
8803         accesses.
8804
8805 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
8806
8807         * config/i386/i386.c: Include intl.h.
8808         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
8809         instead of just cond ? "..." : "...".
8810         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
8811         * coverage.c (read_counts_file): Likewise.
8812         * omp-offload.c: Include intl.h.
8813         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
8814         of just cond ? "..." : "...".
8815         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
8816         of just cond ? "..." : "...".
8817
8818 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
8819
8820         PR target/79742
8821         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
8822         entry, if present.
8823         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
8824         'tune for' CPU name.
8825         * config/arm/arm-cpu-data.h: Regenerated.
8826
8827 2017-02-28  Richard Biener  <rguenther@suse.de>
8828
8829         PR tree-optimization/79732
8830         * tree-inline.c (expand_call_inline): Do not shadow var.
8831
8832 2017-02-28  Richard Biener  <rguenther@suse.de>
8833
8834         PR tree-optimization/79723
8835         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
8836         address-space properly.
8837
8838 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
8839
8840         * doc/optinfo.texi (Optimization groups): Fix option used for
8841         OPTGROUP_ALL.
8842         * doc/invoke.texi (-fopt-info): Document "omp".
8843         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
8844         (OPTGROUP_ALL): Add OPTGROUP_OMP.
8845         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
8846         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
8847         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
8848
8849         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
8850         all users.
8851         * dumpfile.c (optgroup_options): Instead of "openmp", associate
8852         OPTGROUP_OMP with "omp".
8853
8854 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
8855
8856         PR target/79544
8857         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
8858         for arithmetic shift of unsigned V2DI.
8859
8860 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
8861
8862         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
8863         arc/linux.h headers.
8864         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
8865         (LINK_SPEC): Likewise.
8866         (ARC_TLS_EXTRA_START_SPEC): Likewise.
8867         (EXTRA_SPECS): Likewise.
8868         (STARTFILE_SPEC): Likewise.
8869         (ENDFILE_SPEC): Likewise.
8870         (LIB_SPEC): Likewise.
8871         (TARGET_SDATA_DEFAULT): Likewise.
8872         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
8873         (MULTILIB_DEFAULTS): Likewise.
8874         (DWARF2_UNWIND_INFO): Likewise.
8875         * config/arc/big.h: New file.
8876         * config/arc/elf.h: Likewise.
8877         * config/arc/linux.h: Likewise.
8878         * config/arc/t-uClibc: Remove.
8879
8880 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
8881
8882         PR tree-optimization/77536
8883         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
8884         (tree_transform_and_unroll_loop): Use above function to compute the
8885         estimated niter of unrolled loop and use it when scaling profile.
8886         Also use count info rather than frequency if it's non-zero.
8887         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
8888         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
8889         (vect_transform_loop): Call above function.
8890
8891 2017-02-27  Richard Biener  <rguenther@suse.de>
8892
8893         PR tree-optimization/45397
8894         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
8895         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
8896         (visit_nary_op): Add pattern matching for CSEing sign-changed
8897         or truncated operations with wider ones.
8898
8899 2017-02-27  Richard Biener  <rguenther@suse.de>
8900
8901         PR tree-optimization/79690
8902         * tree-vect-stmts.c (vectorizable_store): Use vector type
8903         built from the DR with address-space.
8904
8905 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
8906
8907         * doc/invoke.texi (Optimize Options): Refine the description
8908         of asan-use-after-return.
8909
8910 2017-02-25  Alan Modra  <amodra@gmail.com>
8911
8912         PR rtl-optimization/79584
8913         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
8914         base, not ad->base_term, the reg within base.  Remove assertion
8915         that ad->base == ad->base_term.  Replace gen_int_mode using
8916         bogus mode with const0_rtx.
8917
8918 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
8919
8920         PR middle-end/79396
8921         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
8922         FMA_EXPR like tcc_binary or tcc_unary.
8923
8924         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
8925
8926         PR debug/77589
8927         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
8928         bitfield.
8929         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
8930         (output_loc_operands): Handle DW_OP_call_ref and
8931         DW_OP_GNU_variable_value.
8932         (struct variable_value_struct): New type.
8933         (struct variable_value_hasher): Likewise.
8934         (variable_value_hash): New variable.
8935         (string_types): Remove.
8936         (copy_loc_descr): New function.
8937         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
8938         (prepend_loc_descr_to_each): New function.
8939         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
8940         instead of add_loc_descr_to_each if the first argument is single
8941         location list and the second has multiple.
8942         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
8943         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
8944         when looking for variable value which doesn't have other location info.
8945         (loc_list_from_tree): Formatting fix.
8946         (gen_array_type_die): Simplify DW_AT_string_length handling.
8947         (adjust_string_types): Remove.
8948         (gen_subprogram_die): Don't call adjust_string_types nor test/set
8949         string_types.  Call resolve_variable_values.
8950         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
8951         (resolve_addr_in_expr): Likewise.  Add A argument.
8952         (copy_deref_exprloc): Remove deref argument.  Adjust for the
8953         original expression being DW_OP_GNU_variable_value with optionally
8954         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
8955         optionally after it.
8956         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
8957         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
8958         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
8959         (variable_value_hasher::hash, variable_value_hasher::equal): New
8960         methods.
8961         (resolve_variable_value_in_expr, resolve_variable_value,
8962         resolve_variable_values, note_variable_value_in_expr,
8963         note_variable_value): New functions.
8964         (dwarf2out_early_finish): Call note_variable_value on all toplevel
8965         DIEs.
8966
8967 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
8968
8969         PR c/79677
8970         * opts.h (handle_generated_option): Add GENERATED_P argument.
8971         * opts-common.c (handle_option): Adjust function comment.
8972         (handle_generated_option): Add GENERATED_P argument, pass it to
8973         handle_option.
8974         (control_warning_option): Pass false to handle_generated_option
8975         GENERATED_P.
8976         * opts.c (maybe_default_option): Pass true to handle_generated_option
8977         GENERATED_P.
8978         * optc-gen.awk: Likewise.
8979
8980 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
8981
8982         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
8983         a REG, look at the REG it is a SUBREG of.
8984         (splitter for cmpeqsi_t): Ditto.
8985
8986 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
8987
8988         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
8989         the special USEs with the pattern of the insn, not the insn itself.
8990
8991 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
8992
8993         PR target/79473
8994         * doc/invoke.texi: Document -mload-store-pairs.
8995
8996 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
8997             Sandra Loosemore  <sandra@codesourcery.com>
8998
8999         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
9000         argument isn't a CONST_INT.
9001         (nios2_alternate_compare_const): Assert op is a CONST_INT.
9002         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
9003         (nios2_validate_compare): Bypass alternate compare logic if *op2
9004         is not a CONST_INT.
9005         (ldstwm_operation_p): Return false if first_base is not a REG or
9006         if first_offset is not a CONST_INT.
9007
9008 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9009
9010         * config/cris/cris.md: Use correct operand in a define_peephole2.
9011
9012 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9013
9014         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
9015
9016 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9017
9018         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
9019         this_insn if it is an INSN or JUMP_INSN.
9020         (force_offsettable): Look at base, not at addr.
9021         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
9022         on things that aren't necessarily CONST_INTs.
9023
9024 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
9025
9026         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
9027         -mfpmath=sse is the default also for x86-32 targets with SSE2
9028         instruction set when @option{-ffast-math} is enabled
9029
9030 2017-02-24  Jeff Law  <law@redhat.com>
9031
9032         PR rtl-optimizatoin/79286
9033         * ira.c (update_equiv_regs): Drop may_trap_p exception to
9034         dominance test.
9035
9036 2017-02-24  Richard Biener  <rguenther@suse.de>
9037
9038         PR tree-optimization/79389
9039         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
9040         debug insns.
9041
9042 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
9043
9044         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
9045         function comment to reflect reality.
9046         (loop_exits_before_overflow): Fix typo in function description.
9047
9048 2017-02-24  Richard Biener  <rguenther@suse.de>
9049
9050         PR tree-optimization/79389
9051         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
9052         properly that a threading opportunity exists.  Detect conditional
9053         copy/constant propagation opportunities.
9054
9055 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
9056
9057         * config/visium/visium.md (type): Add trap.
9058         (b): New mode attribute.
9059         (*btst): Rename into...
9060         (*btst<mode>): ...this and adjust.
9061         (*cbranchsi4_btst_insn): Rename into...
9062         (*cbranch<mode>4_btst_insn): ...this and adjust.
9063         (trap): New define_insn.
9064
9065 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
9066
9067         PR tree-optimization/79389
9068         * ifcvt.c (struct noce_if_info): Add rev_cond field.
9069         (noce_reversed_cond_code): New function.
9070         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
9071         reversed_comparison_code.  Formatting fix.
9072         (noce_try_store_flag): Test rev_cond != NULL in addition to
9073         reversed_comparison_code.
9074         (noce_try_store_flag_constants): Likewise.
9075         (noce_try_store_flag_mask): Likewise.
9076         (noce_try_addcc): Use rev_cond if non-NULL instead of
9077         reversed_comparison_code.
9078         (noce_try_cmove_arith): Likewise.  Formatting fixes.
9079         (noce_try_minmax, noce_try_abs): Clear rev_cond.
9080         (noce_find_if_block): Initialize rev_cond.
9081         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
9082         instead of false as last argument never attempt to reverse it
9083         afterwards.
9084
9085 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
9086
9087         PR tree-optimization/79663
9088         * tree-predcom.c (combine_chains): Process refs in reverse order
9089         only for ZERO length chains, and add explaining comment.
9090
9091 2017-02-23  Jeff Law  <law@redhat.com>
9092
9093         PR tree-optimization/79578
9094         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
9095         in call to operand_equal_p.
9096
9097 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
9098
9099         PR target/71017
9100         * config/i386/cpuid.h: Fix another undefined behavior.
9101
9102 2017-02-23  Richard Biener  <rguenther@suse.de>
9103
9104         PR tree-optimization/79683
9105         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
9106         vector types for data-refs.
9107
9108 2017-02-23  Martin Liska  <mliska@suse.cz>
9109
9110         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
9111
9112 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
9113
9114         PR middle-end/79665
9115         * internal-fn.c (get_range_pos_neg): Moved to ...
9116         * tree.c (get_range_pos_neg): ... here.  No longer static.
9117         * tree.h (get_range_pos_neg): New prototype.
9118         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
9119         are known to be in between 0 and signed maximum inclusive, try to
9120         expand both unsigned and signed divmod and use the cheaper one from
9121         those.
9122
9123 2017-02-22  Jeff Law  <law@redhat.com>
9124
9125         PR tree-optimization/79578
9126         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
9127         to compare base operands.
9128
9129 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
9130
9131         PR target/79211
9132         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
9133         gpc_reg_operand instead of fpr_reg_operand.
9134
9135 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
9136
9137         * config/mips/mips.c (mips_return_in_memory): Force FP
9138         vector types to be returned in memory for o32 ABI.
9139
9140 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
9141
9142         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
9143         instead of DW_TAG_member for static data member declarations and don't
9144         set no_linkage_name for static inline data members.
9145         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
9146         to DW_TAG_member.
9147
9148 2017-02-22  Martin Liska  <mliska@suse.cz>
9149
9150         * doc/invoke.texi: Replace inequality signs with square brackets
9151         for -Wnormalized.
9152
9153 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9154
9155         PR tree-optimization/68644
9156         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
9157
9158 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
9159
9160         PR target/78660
9161         * lra-constraints.c (simplify_operand_subreg): Handle
9162         WORD_REGISTER_OPERATIONS targets.
9163
9164 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
9165
9166         PR target/70465
9167         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
9168         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
9169         elimination by swapping fld*.
9170
9171 2017-02-22  Richard Biener  <rguenther@suse.de>
9172
9173         PR tree-optimization/79673
9174         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
9175         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
9176         irrelevant address-space qualifiers and avoiding a
9177         ADDR_SPACE_CONVERT_EXPR from fold_convert.
9178
9179 2017-02-22  Richard Biener  <rguenther@suse.de>
9180
9181         PR tree-optimization/79666
9182         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
9183         to not symbolically negate if that may introduce undefined
9184         overflow.
9185
9186 2017-02-22  Martin Liska  <mliska@suse.cz>
9187
9188         PR lto/79587
9189         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
9190         * data-streamer-out.c (streamer_write_gcov_count_stream):
9191         Likewise.
9192         * value-prof.c (stream_out_histogram_value): Make assert more
9193         precise based on type of counter.
9194
9195 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
9196
9197         PR target/79593
9198         * config/i386/i386.md (standard_x87sse_constant_load splitter):
9199         Use nonimmediate_operand instead of memory_operand for operand 1.
9200         (float-extend standard_x87sse_constant_load splitter): Ditto.
9201
9202 2017-02-21  Jeff Law  <law@redhat.com>
9203
9204         PR tree-optimization/79621
9205         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
9206         blocks with edges to themselves.
9207
9208 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
9209
9210         PR target/79633
9211         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
9212         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
9213         Use gimple_call_builtin_p.
9214
9215         PR target/79570
9216         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
9217         on temporarily removed DEBUG_INSNs.
9218
9219         PR tree-optimization/79649
9220         * tree-loop-distribution.c (classify_partition): Give up on
9221         non-generic address space loads/stores.
9222
9223 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
9224
9225         * doc/loop.texi (Loop manipulation): Remove nonexistent
9226         tree_ssa_loop_version from the documentation.
9227         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
9228
9229 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
9230
9231         PR target/79494
9232         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
9233         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
9234         * config/rs6000/rs6000.c: Include except.h.
9235         (rs6000_expand_split_stack_prologue): Call
9236         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
9237
9238 2017-02-21  Martin Jambor  <mjambor@suse.cz>
9239
9240         PR lto/79579
9241         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
9242         have been analyzed.
9243
9244 2017-02-21  Martin Jambor  <mjambor@suse.cz>
9245
9246         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
9247         for backward compatibility only.
9248         * doc/invoke.texi (Option Summary): Remove all references to
9249         -fipa-cp-alignment.
9250
9251 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
9252
9253         PR target/78660
9254         Revert:
9255         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9256
9257         * lra-constraints.c (curr_insn_transform): Handle
9258         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
9259
9260 2017-02-21  Martin Liska  <mliska@suse.cz>
9261
9262         * config/i386/i386.opt: Replace -masm-dialect with -masm.
9263
9264 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
9265
9266         PR translation/79638
9267         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
9268
9269 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
9270
9271         PR ada/67205
9272         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
9273         (arm_function_ok_for_sibcall): Return false for an indirect call by
9274         descriptor if all the argument registers are used.
9275         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
9276         alignment of the function.
9277
9278 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
9279
9280         PR tree-optimization/61441
9281         * simplify-rtx.c (simplify_const_unary_operation): For
9282         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
9283         the sNaN unmodified.
9284
9285 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9286
9287         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
9288         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
9289         instead of SYSTEM_HEADER_DIR.
9290
9291 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
9292             Martin Liška  <mliska@suse.cz>
9293
9294         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
9295         Fix typos and grammar, use active voice, and clarify.
9296
9297 2017-02-20  Marek Polacek  <polacek@redhat.com>
9298
9299         PR middle-end/79537
9300         * gimplify.c (gimplify_expr): Handle unused *&&L;.
9301
9302         PR sanitizer/79558
9303         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
9304
9305 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
9306
9307         PR target/79568
9308         * config/i386/i386.c (ix86_expand_builtin): Handle
9309         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
9310         ix86_builtins_isa[fcode].isa as a requirement of those
9311         flags and any other flag in the bitmask.
9312         (ix86_init_mmx_sse_builtins): Use 0 instead of
9313         ~OPTION_MASK_ISA_64BIT as mask.
9314         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
9315         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
9316         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
9317         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
9318
9319 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9320
9321         PR target/78012
9322         * lra-constraints.c (split_reg): Check requested split mode
9323         is supported by the register.
9324
9325 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9326
9327         * lra-constraints.c (simplify_operand_subreg): Remove early
9328         return false.
9329
9330 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9331
9332         PR target/78660
9333         * lra-constraints.c (curr_insn_transform): Tighten condition
9334         for converting SUBREG reloads from OP_OUT to OP_INOUT.
9335
9336 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9337
9338         PR target/78660
9339         * lra-constraints.c (curr_insn_transform): Handle
9340         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
9341
9342 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
9343
9344         Revert:
9345         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
9346
9347         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
9348
9349 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
9350
9351         PR c++/69523
9352         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
9353         description.
9354
9355 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9356
9357         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
9358         for FMA_EXPR.
9359
9360 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
9361
9362         * final.c (last_columnnum, override_columnnum): New variables.
9363         (final_start_function): Set last_columnnum, pass it to begin_prologue
9364         hook and pass 0 to dwarf2out_begin_prologue.
9365         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
9366         to source_line debug hook.
9367         (notice_source_line): Compute last_columnnum and for debug_column_info
9368         return true on column changes.
9369         * debug.h (struct gcc_debug_hooks): Add column argument to
9370         source_line and begin_prologue hooks.
9371         (debug_nothing_int_charstar_int_bool): Remove prototype.
9372         (debug_nothing_int_int_charstar,
9373         debug_nothing_int_int_charstar_int_bool): New prototypes.
9374         (dwarf2out_begin_prologue): Add column argument.
9375         * debug.c (do_nothing_debug_hooks): Adjust source_line and
9376         begin_prologue hooks.
9377         (debug_nothing_int_charstar_int_bool): Remove.
9378         (debug_nothing_int_int_charstar,
9379         debug_nothing_int_int_charstar_int_bool): New functions.
9380         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
9381         through to dwarf2out_source_line.
9382         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
9383         (dwarf2out_source_line): Add column argument, emit it if requested.
9384         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
9385         arguments.
9386         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
9387         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
9388         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
9389         through to dwarf2out_begin_prologue.
9390         (vmsdbgout_source_line): Add column argument, pass it through to
9391         dwarf2out_source_line.
9392         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
9393         dbxout_source_line caller.
9394         (dbxout_source_line): Add column argument.
9395
9396         * common.opt (gno-column-info, gcolumn-info): New options.
9397         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
9398         (check_die): Also test for multiple DW_AT_decl_column attributes.
9399         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
9400         DW_AT_decl_column if requested.
9401         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
9402         if requested.
9403         (gen_variable_die): Likewise.
9404         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
9405         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
9406
9407         PR target/79569
9408         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
9409         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
9410         (ix86_handle_option): Handle OPT_m3dnowa.
9411         * doc/invoke.texi (-m3dnowa): Document.
9412         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
9413         -m3dnowa instead of -m3dnow -march=athlon.
9414
9415         PR target/79559
9416         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
9417         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
9418
9419 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9420
9421         PR target/79261
9422         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
9423         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
9424         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
9425         generator for vsx_xxpermdi_<mode>_be.
9426         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
9427         force big-endian semantics.
9428         (vsx_xxpermdi_<mode>_be): New define_expand with same
9429         implementation as previous version of vsx_xxpermdi_<mode>.
9430
9431 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
9432
9433         PR tree-optimization/79327
9434         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
9435         variable, its initialization and use.
9436
9437 2017-02-17  Julia Koval  <julia.koval@intel.com>
9438
9439         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
9440         (OPTION_MASK_ISA_PKU_UNSET): New.
9441         (ix86_handle_option): Handle -mrdpid.
9442         * config/i386/cpuid.h (bit_RDPID): New.
9443         * config/i386/driver-i386.c (host_detect_local_cpu):
9444         Detect RDPID feature.
9445         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
9446         * config/i386/i386-c.c (ix86_target_macros_internal):
9447         Handle RDPID flag.
9448         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
9449         (ix86_valid_target_attribute_inner_p): Add "rdpid".
9450         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
9451         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
9452         * config/i386/i386.md (define_insn "rdpid"): New.
9453         * config/i386/i386.opt Add -mrdpid.
9454         * config/i386/immintrin.h (_rdpid_u32): New.
9455
9456 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
9457
9458         PR rtl-optimization/79541
9459         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
9460         instead of transforming it into USE.
9461
9462 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
9463
9464         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
9465         If HONOR_SNANS (SFmode) force the input to a register.
9466         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
9467         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
9468         an frsp or similar insn.
9469
9470 2017-02-17  Martin Liska  <mliska@suse.cz>
9471
9472         PR rtl-optimization/79577
9473         * params.def (selsched-max-sched-times): Increase minimum to 1.
9474
9475 2017-02-17  Martin Liska  <mliska@suse.cz>
9476
9477         PR rtl-optimization/79574
9478         * gcse.c (want_to_gcse_p): Prevent integer overflow.
9479
9480 2017-02-17  Martin Liska  <mliska@suse.cz>
9481
9482         PR tree-optimization/79529
9483         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
9484         ssa_defined_default_def_p to handle cases which are implicitly
9485         defined.
9486         * tree-ssa.c (ssa_defined_default_def_p): New function.
9487         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
9488         which are implicitly defined.
9489         * tree-ssa.h (ssa_defined_default_def_p): Declare.
9490
9491 2017-02-17  Richard Biener  <rguenther@suse.de>
9492
9493         PR middle-end/79576
9494         * params.def (max-ssa-name-query-depth): Limit to 10.
9495
9496 2017-02-17  Richard Biener  <rguenther@suse.de>
9497
9498         PR tree-optimization/79552
9499         * tree-ssa-structalias.c (visit_loadstore): Properly verify
9500         default defs.
9501
9502 2017-02-17  Richard Biener  <rguenther@suse.de>
9503
9504         PR bootstrap/79567
9505         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
9506
9507 2017-02-17  Marek Polacek  <polacek@redhat.com>
9508
9509         PR middle-end/79536
9510         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
9511         (fold_negate_expr): New wrapper.
9512
9513 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
9514
9515         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]:
9516         Correct terminology and de-emphasize pre-standard behavior.
9517
9518 2017-02-16  Alan Modra  <amodra@gmail.com>
9519
9520         PR rtl-optimization/79286
9521         * ira.c (def_dominates_uses): New function.
9522         (update_equiv_regs): Don't create an equivalence for insns that
9523         may trap where the register def does not dominate the use.
9524
9525 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
9526
9527         PR rtl-optimization/78127
9528         * lra.c (lra): Call lra_eliminate before finish the loop after
9529         lra_constraint.
9530
9531 2017-02-16  Richard Biener  <rguenther@suse.de>
9532
9533         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
9534         isl/isl_val.h.
9535         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
9536         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
9537         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
9538         (isl_val_int_from_wi): New function.
9539         (extract_affine_gmp): Rename to ...
9540         (extract_affine_wi): ... this, take a widest_int.
9541         (extract_affine_int): Just wrap extract_affine_wi.
9542         (add_param_constraints): Use isl_val_int_from_wi.
9543         (add_loop_constraints): Likewise, and extract_affine_wi.
9544
9545 2017-02-15  Jeff Law  <law@redhat.com>
9546
9547         PR middle-end/79521
9548         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
9549         ira_init_register_move_cost_if_necessary.
9550
9551 2017-02-15  Martin Sebor  <msebor@redhat.com>
9552
9553         PR middle-end/32003
9554         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
9555         removed in a prior commit.
9556
9557 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
9558
9559         PR tree-optimization/79347
9560         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
9561         counters during peeling.
9562
9563 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
9564
9565         * Makefile.in (site.exp): Remove "set ISLVER".
9566
9567 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
9568
9569         PR target/79487
9570         * real.c (real_from_integer): Call real_convert even for decimal.
9571
9572 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
9573
9574         PR target/79421
9575         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
9576
9577 2017-02-14  Andrew Pinski  <apinski@cavium.com>
9578
9579         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
9580         cores and change the partno/implementer to be correct.
9581         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
9582         the 'B" as the implementer.
9583         * config/aarch64/aarch64-tune.md: Regenerate.
9584
9585 2017-02-14  Carl Love  <cel@us.ibm.com>
9586
9587         * config/rs6000/rs6000.c: Add case statement entry to make the
9588         xvcvuxdsp built-in argument unsigned.
9589         * config/rs6000/vsx.md: Fix the source and return operand types so they
9590         match the instruction definitions from the ISA document.  Fix typo
9591         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
9592         statement.
9593
9594 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
9595
9596         PR target/79282
9597         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
9598         member early_clobber_alts.
9599         * lra-lives.c (reg_early_clobber_p): New.
9600         (process_bb_lives): Use it.
9601         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
9602         (debug_operand_data): Initialize early_clobber_alts.
9603         (setup_operand_alternative): Set up early_clobber_alts.
9604         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
9605         alternatives to new_insn_reg.
9606         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
9607         it.
9608         (lra_update_insn_regno_info): Pass the new arg.
9609
9610 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
9611
9612         PR middle-end/79505
9613         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
9614         (new_oacc_loop_raw): Don't clear already cleared fields.
9615
9616         PR target/79481
9617         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
9618         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
9619         _mm512_prefetch_i64gather_ps): New inline functions and macros.
9620
9621 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
9622
9623         PR target/79495
9624         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
9625
9626 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
9627
9628         PR target/79498
9629         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
9630         the extra instruction to the right place to store 128-bit constant
9631         when needed.
9632
9633 2017-02-14  Martin Sebor  <msebor@redhat.com>
9634
9635         PR middle-end/79448
9636         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
9637           warning for strings of unknown length.
9638
9639 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
9640
9641         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
9642
9643 2017-02-14  Jeff Law  <law@redhat.com>
9644
9645         PR target/79404
9646         * ira-costs.c (scan_one_insn): Initialize register move costs
9647         for pseudos seen in USE/CLOBBER insns.
9648
9649         PR tree-optimization/79095
9650         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
9651         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
9652         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
9653         if the operands are known to be not equal, then the resulting range
9654         is ~[0,0].
9655         (intersect_ranges): If the new range is ~[0,0] and the old range is
9656         wide, then prefer ~[0,0].
9657         * tree-vrp.c (overflow_comparison_p_1): New function.
9658         (overflow_comparison_p): New function.
9659         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
9660         if NAME is used in an overflow test.
9661         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
9662         overflow check that can be expressed as an equality test, then adjust
9663         ops to be that equality test.
9664
9665 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9666
9667         * config/s390/s390-builtin-types.def: Remove flags argument.
9668         * config/s390/s390.c (s390_init_builtins): Likewise.
9669
9670 2017-02-14  Martin Liska  <mliska@suse.cz>
9671
9672         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
9673         vector.  Fix trailing white spaces.
9674
9675 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
9676
9677         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
9678         HFmode.
9679
9680 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9681
9682         PR rtl-optimization/68664
9683         * config/arm/arm.c (arm_sched_can_speculate_insn):
9684         New function.  Declare prototype.
9685         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
9686
9687 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9688
9689         PR rtl-optimization/68664
9690         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
9691         New function.
9692         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
9693
9694 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
9695
9696         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
9697         max skip bytes for function, loop and jump.
9698
9699 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9700
9701         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
9702         ABS_EXPR for gimple dump.
9703
9704 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
9705
9706         PR target/79462
9707         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
9708
9709         PR tree-optimization/79408
9710         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
9711         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
9712         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
9713         also if rhs1 is INTEGER_CST.
9714
9715 2017-02-14  Richard Biener  <rguenther@suse.de>
9716
9717         PR middle-end/79432
9718         * tree-into-ssa.c (insert_phi_nodes): When the function can
9719         have abnormal edges rewrite SSA names with broken use-def
9720         dominance out of SSA and register them for PHI insertion.
9721
9722 2017-02-13  Martin Sebor  <msebor@redhat.com>
9723
9724         PR middle-end/79496
9725         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
9726         clearing info.nowrite flag when snprintf size argument is a range.
9727
9728 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
9729
9730         * cprop.c (cprop_jump): Add missing space in string literal.
9731         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
9732         (get_constraint_for_component_ref): Likewise.
9733         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
9734         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
9735         * lra-constraints.c (process_alt_operands): Likewise.
9736         * ipa-inline.c (inline_small_functions): Likewise.
9737         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
9738         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
9739         * trans-mem.c (diagnose_tm_1_op): Likewise.
9740         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
9741         (grid_parallel_clauses_gridifiable): Likewise.
9742
9743         * config/nvptx/mkoffload.c (process): Add space in between
9744         , and %d.
9745
9746         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
9747         "MOD4_SSE_REGS" and "ALL_REGS".
9748
9749         * spellcheck.c (test_data): Add , in between "foo" and "food".
9750
9751 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
9752
9753         PR target/79449
9754         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
9755         boundary crossing check and subsequent code generation agree.
9756
9757 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9758
9759         * config/aarch64/aarch64.c (has_memory_op): Delete.
9760         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
9761         has_memory_op.
9762
9763 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
9764
9765         PR rtl-optimization/79388
9766         PR rtl-optimization/79450
9767         * combine.c (distribute_notes): When removing TEM_INSN for which
9768         corresponding dest has last value recorded, invalidate that last
9769         value.
9770
9771 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9772
9773         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
9774         of explicit '@'.  Add missing assembly comment marker on branch costs
9775         printout.
9776
9777 2017-02-13  Nathan Sidwell  <nathan@acm.org>
9778
9779         * gengtype-lex.l (<in_struct>): Add '/'.
9780
9781 2017-02-13  Martin Liska  <mliska@suse.cz>
9782
9783         PR c/79471
9784         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
9785
9786 2017-02-13  Richard Biener  <rguenther@suse.de>
9787
9788         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
9789         Remove.
9790         * configure: Re-generate.
9791         * config.in: Likewise.
9792         * graphite-dependences.c: Simplify as if
9793         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
9794         * graphite-isl-ast-to-gimple.c: Likewise.
9795         * graphite-optimize-isl.c: Likewise.
9796         * graphite-poly.c: Likewise.
9797         * graphite-sese-to-poly.c: Likewise.
9798         * graphite.h: Likewise.
9799         * toplev.c: Include isl/version.h and use isl_version () for
9800         printing the ISL version.
9801         * doc/install.texi: Update ISL requirement.
9802
9803 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
9804
9805         * doc/standards.texi (Standards): Update reference to
9806         Objective-C 2.0.
9807
9808 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
9809
9810         * doc/extend.texi (Named Address Spaces): sourceware.org now
9811         defaults to https.
9812         * doc/install.texi (Binaries): Ditto.
9813         (Specific): Ditto.
9814
9815 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
9816
9817         * doc/cpp.texi: Replace "stringify"/"stringification" with C
9818         standard terminology "stringize"/"stringizing" throughout.
9819         * doc/cppinternals.texi: Likewise.
9820
9821 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
9822
9823         * doc/extend.texi: Fix some spelling mistakes and typos.
9824         * doc/invoke.texi: Likewise.
9825
9826 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
9827
9828         PR ipa/79224
9829         * params.def (inline-min-speedup) Change from 10 to 8.
9830
9831 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
9832
9833         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
9834         4.5.
9835
9836 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
9837
9838         PR ipa/79224
9839         * ipa-inline-analysis.c (get_minimal_bb): New function.
9840         (record_modified): Use it.
9841         (remap_edge_change_prob): Handle also ancestor functions.
9842
9843 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
9844
9845         * doc/contrib.texi (Contributors): Remove broken link into
9846         the Mauve CVS repository.
9847
9848 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
9849
9850         PR middle-end/79454
9851         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
9852         result computation whenever lhs doesn't have vector mode, not
9853         just when it has BLKmode.
9854
9855 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
9856
9857         * doc/makefile.texi (profiledbootstrap): Refer to the
9858         installation instructions only in textual form.
9859
9860 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
9861
9862         PR target/79295
9863         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
9864
9865 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
9866
9867         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
9868         (Specific): Update mingw-w64 reference.
9869         (Binaries): Ditto.
9870         (Specific): Remove broken link to Renesas RX processor.
9871
9872 2017-02-10  Richard Biener  <rguenther@suse.de>
9873
9874         * toplev.c (process_options): Do not mention obsolete graphite
9875         options when printing sorry message about missing graphite support.
9876         Mention -floop-nest-optimize.
9877
9878 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
9879
9880         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
9881         (vtst_p16): Likewise.
9882         (vtstq_p8): Likewise.
9883         (vtstq_p16): Likewise.
9884         (vtst_p64): New.
9885         (vtstq_p64): Likewise.
9886         * config/arm/arm_neon.h (vgetq_lane_p64): New.
9887         (vset_lane_p64): New.
9888         (vsetq_lane_p64): New.
9889
9890 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
9891
9892         PR tree-optimization/79411
9893         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
9894         stmt operands are SSA_NAMEs used in abnormal phis.
9895         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
9896         phis.
9897
9898 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
9899
9900         PR ipa/70795
9901         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
9902         flag if needed.
9903
9904 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
9905
9906         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
9907
9908 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
9909
9910         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
9911         to avoid warning.
9912
9913         PR c/79413
9914         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
9915         not arbitrary TREE_CONSTANT.
9916
9917         PR c/79431
9918         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
9919         "omp declare target link" attribute unless is_global_var.
9920         * omp-offload.c (find_link_var_op): Likewise.
9921
9922 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
9923             Chung-Lin Tang  <cltang@codesourcery.com>
9924
9925         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
9926         OMP_CLAUSE_TILE.
9927         (gimplify_adjust_omp_clauses): Don't delete TILE.
9928         (gimplify_omp_for): Deal with TILE.
9929         * internal-fn.c (expand_GOACC_TILE): New function.
9930         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
9931         (GOACC_TILE): New.
9932         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
9933         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
9934         element fields.
9935         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
9936         avoid DIV for outermost collapse var.
9937         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
9938         Remove out of date comments, fix whitespace.
9939         * omp-general.c (omp_extract_for_data): Deal with tiling.
9940         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
9941         adjust OLF_DIM_BASE value.
9942         (struct omp_for_data): Add tiling field.
9943         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
9944         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
9945         for auto loops.  Remove default auto determining, moved to
9946         oacc_loop_fixed_partitions.
9947         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
9948         stmts, add e_mask field.
9949         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
9950         (oacc_thread_numbers): Use oacc_dim_call.
9951         (oacc_xform_tile): New.
9952         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
9953         (finish_oacc_loop): Adjust for ifns vector.
9954         (oacc_loop_discover_walk): Append loop abstraction sites to list,
9955         add case for GOACC_TILE fns.
9956         (oacc_loop_xform_loop): Delete.
9957         (oacc_loop_process): Iterate over call list directly, and add
9958         handling for GOACC_TILE fns.
9959         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
9960         dump partitioning.
9961         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
9962         vector partitioning to outer loops.  Assign 2 partitions to loops
9963         when available. Add TILE handling.
9964         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
9965         (execite_oacc_device_lower): Process GOACC_TILE fns,
9966         ignore unknown specs.
9967         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
9968         * tree.c (omp_clause_num_ops): Adjust TILE ops.
9969         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
9970
9971 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
9972
9973         * configure.ac (ACX_BUGURL): Update.
9974         * configure: Regenerate.
9975
9976 2017-02-09  Richard Biener  <rguenther@suse.de>
9977
9978         PR tree-optimization/69823
9979         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
9980         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
9981
9982 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
9983
9984         * config/arc/arc-c.def: Add __NPS400__ definition.
9985         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
9986         (TARGET_NPS400): Define.
9987
9988 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
9989
9990         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
9991         file.
9992         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
9993         pointer, arch_info.
9994         (arc_cpu_types): Fill the arch_info field with a pointer into the
9995         arc_arch_types table.
9996         (arc_selected_cpu): Declare.
9997         * config/arc/arc.c (arc_selected_cpu): Make global.
9998         (arc_selected_arch): Delete.
9999         (arc_base_cpu): Delete.
10000         (arc_override_options): Remove references to deleted variables,
10001         update access to arch information.
10002         (ARC_OPT): Update access to arch information.
10003         (ARC_OPTX): Likewise.
10004         * config/arc/arc.h (arc_base_cpu): Remove declaration.
10005         (TARGET_ARC600): Update access to arch information.
10006         (TARGET_ARC601): Likewise.
10007         (TARGET_ARC700): Likewise.
10008         (TARGET_EM): Likewise.
10009         (TARGET_HS): Likewise.
10010         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
10011         information.
10012
10013 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
10014
10015         PR target/78604
10016         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
10017         condition/operands for integer GE/LE/GEU/LEU operations.
10018
10019 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
10020
10021         PR translation/79397
10022         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
10023         of AltiVec.
10024
10025 2017-02-08  Martin Jambor  <mjambor@suse.cz>
10026
10027         PR ipa/79375
10028         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
10029         whether allocation happened.
10030         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
10031         nothing was allocated.
10032
10033 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
10034
10035         PR tree-optimization/79408
10036         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
10037         constant, but SSA_NAME with a known integer range, use the minimum
10038         of that range instead of op1 to determine if modulo can be replaced
10039         with its first operand.
10040
10041 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10042
10043         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
10044
10045 2017-02-08  Richard Biener  <rguenther@suse.de>
10046
10047         PR tree-optimization/71824
10048         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
10049         Check all loops contained in the merged region.
10050
10051 2017-02-07  Andrew Pinski  <apinski@cavium.com>
10052
10053         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
10054
10055 2017-02-07  Andrew Pinski  <apinski@cavium.com>
10056
10057         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
10058         (thunderxt88): Likewise.
10059         (thunderxt81): Disable LSE and change v8.1 to v8.
10060         (thunderxt83): Likewise.
10061
10062 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
10063             Richard Biener  <rguenther@suse.de>
10064
10065         PR middle-end/79399
10066         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
10067         type from int to size_t.
10068         * ira-costs.c (struct_costs_size): Change type from int to size_t.
10069
10070 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
10071
10072         PR rtl-optimization/79386
10073         * cprop.c (bypass_conditional_jumps): Initialize
10074         bypass_last_basic_block already before splitting bbs after
10075         unconditional traps...
10076         (bypass_conditional_jumps): ... rather than here.
10077
10078         PR target/79299
10079         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
10080         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
10081         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
10082         fix -masm=intel patterns.
10083
10084 2017-02-07  Richard Biener  <rguenther@suse.de>
10085
10086         PR tree-optimization/79256
10087         PR middle-end/79278
10088         * builtins.c (get_object_alignment_2): Use min_align_of_type
10089         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
10090         and ADJUST_FIELD_ALIGN.
10091
10092         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
10093         type parameter.
10094         * doc/tm.texi: Regenerate.
10095         * stor-layout.c (layout_decl): Adjust.
10096         (update_alignment_for_field): Likewise.
10097         (place_field): Likewise.
10098         (min_align_of_type): Likewise.
10099         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
10100         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
10101         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
10102         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
10103         * config/frv/frv.c (frv_adjust_field_align): Likewise.
10104         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
10105         * config/i386/i386.c (x86_field_alignment): Likewise.
10106         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
10107         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
10108         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
10109         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
10110         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
10111         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
10112          Likewise.
10113
10114         Revert
10115         2017-01-30  Richard Biener  <rguenther@suse.de>
10116
10117         PR tree-optimization/79256
10118         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
10119         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
10120         alignment on TYPE.
10121
10122 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
10123
10124         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
10125         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
10126         builtins to SImode and emit a zero-extend, if necessary.
10127
10128 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
10129
10130         * docs/invoke.texi (RISC-V Options): Alphabetize.
10131
10132 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
10133
10134         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
10135         options.
10136
10137 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
10138
10139         * config/riscv/riscv.c: New file.
10140         * gcc/common/config/riscv/riscv-common.c: Likewise.
10141         * config.gcc: Likewise.
10142         * config/riscv/constraints.md: Likewise.
10143         * config/riscv/elf.h: Likewise.
10144         * config/riscv/generic.md: Likewise.
10145         * config/riscv/linux.h: Likewise.
10146         * config/riscv/multilib-generator: Likewise.
10147         * config/riscv/peephole.md: Likewise.
10148         * config/riscv/pic.md: Likewise.
10149         * config/riscv/predicates.md: Likewise.
10150         * config/riscv/riscv-builtins.c: Likewise.
10151         * config/riscv/riscv-c.c: Likewise.
10152         * config/riscv/riscv-ftypes.def: Likewise.
10153         * config/riscv/riscv-modes.def: Likewise.
10154         * config/riscv/riscv-opts.h: Likewise.
10155         * config/riscv/riscv-protos.h: Likewise.
10156         * config/riscv/riscv.h: Likewise.
10157         * config/riscv/riscv.md: Likewise.
10158         * config/riscv/riscv.opt: Likewise.
10159         * config/riscv/sync.md: Likewise.
10160         * config/riscv/t-elf-multilib: Likewise.
10161         * config/riscv/t-linux: Likewise.
10162         * config/riscv/t-linux-multilib: Likewise.
10163         * config/riscv/t-riscv: Likewise.
10164         * configure.ac: Likewise.
10165         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
10166         Waterman as RISC-V maintainers.
10167         * doc/install.texi: Add RISC-V entries.
10168         * doc/invoke.texi: Add RISC-V options section.
10169         * doc/md.texi: Add RISC-V constraints section.
10170         * configure: Regenerated.
10171
10172 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
10173
10174         PR target/66144
10175         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
10176         false values to be constant vectors with all 0 or all 1 bits set.
10177         (vcondu<mode><mode>): Likewise.
10178         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
10179         predicate.
10180         (fpmask_comparison_operator): Update comment.
10181         (vecint_comparison_operator): New predicate.
10182         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
10183         vector conditionals when the true and false values are constant
10184         vectors with all 0 bits or all 1 bits set.
10185
10186 2017-02-06  Martin Sebor  <msebor@redhat.com>
10187
10188         PR  tree-optimization/79376
10189         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
10190
10191 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
10192
10193         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
10194         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
10195         to simplify split condition.
10196
10197 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
10198
10199         * omp-expand.c (oxpand_omp_atomic_fetch_op,
10200         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
10201         false.
10202
10203 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
10204
10205         PR rtl-optimization/68664
10206         * target.def (can_speculate_insn): New hook.
10207         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
10208         * doc/tm.texi: Regenerate.
10209         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
10210         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
10211         (rs6000_sched_can_speculate_insn): New function.
10212
10213 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
10214
10215         PR tree-optimization/79284
10216         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
10217         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
10218         vectorizable_mask_load_store, vectorizable_operation,
10219         vect_is_simple_cond, get_same_sized_vectype): Use it instead
10220         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
10221         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
10222         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
10223         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
10224         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
10225         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
10226         is_gimple_assign (stmt).  Replace another such test with
10227         is_gimple_assign (stmt).
10228
10229 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
10230
10231         PR target/78883
10232         * config/avr/avr.c (rtl-iter.h): Include it.
10233         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
10234         (avr_legitimate_combined_insn): ...and implementation.
10235
10236 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10237
10238         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
10239         * config/s390/s390.c (s390_const_operand_ok)
10240         (s390_canonicalize_comparison, s390_extract_part)
10241         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
10242         (s390_contiguous_bitmask_p, s390_rtx_costs)
10243         (legitimize_pic_address): Likewise.
10244         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
10245         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
10246         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
10247         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
10248         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
10249
10250 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
10251
10252         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
10253         REGNO($0) == REGNO($1).
10254
10255 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10256
10257         * config/s390/linux.h(SIZE_TYPE): Add comment.
10258
10259 2017-02-06  Julian Brown  <julian@codesourcery.com>
10260             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10261             Virendra Pathak  <virendra.pathak@broadcom.com>
10262
10263         * config/aarch64/aarch64-cores.def: Change the scheduler
10264         to Thunderx2t99.
10265         * config/aarch64/aarch64.md: Include thunderx2t99.md.
10266         * config/aarch64/thunderx2t99.md: New file.
10267
10268 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
10269
10270         * doc/standards.texi (Go Language): Update link to language
10271         standard.
10272
10273 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
10274
10275         * tree-eh.c (lower_resx): Sanitize profile.
10276         (cleanup_empty_eh_move_lp): Likewise.
10277
10278 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
10279
10280         PR tree-ssa/79347
10281         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
10282         ELSE_PROB.
10283         * cfgloopmanip.h (loop_version): Update prototype.
10284         * modulo-sched.c (sms_schedule): Update call of loop_version.
10285         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
10286         * tree-parloops.c (gen_parallel_loop): Likewise.
10287         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
10288         * tree-ssa-loop-split.c (split_loop): Likewise.
10289         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
10290         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
10291
10292 2017-02-05  Martin Liska  <mliska@suse.cz>
10293
10294         PR bootstrap/78985
10295         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
10296         variable to NULL.
10297         (print_operand_address): Initialize a struct to zero.
10298
10299 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
10300
10301         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
10302         garbage collector only in textual form.
10303
10304 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
10305
10306         * doc/extend.texi (x86 specific memory model extensions for
10307         transactional memory): Simplify a phrase.
10308
10309 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
10310
10311         PR target/79353
10312         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
10313         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
10314         (atomic_storedi_1): Likewise.
10315
10316 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
10317
10318         PR tree-optimization/79338
10319         * tree-parloops.c (gather_scalar_reductions): Don't call
10320         vect_analyze_loop_form for loop->inner before destroying loop's
10321         loop_vinfo.
10322
10323 2017-02-03  Martin Sebor  <msebor@redhat.com>
10324
10325         PR tree-optimization/79327
10326         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
10327         when precision has resulted in leading zeros.
10328         (format_integer): Adjust the likely counter to assume an unknown
10329         argument that may be zero is non-zero.
10330
10331 2017-02-03  Jason Merrill  <jason@redhat.com>
10332
10333         PR c++/78689
10334         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
10335         avoid copying non-taken branch.
10336
10337 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
10338
10339         PR tree-optimization/79340
10340         * tree-vect-loop.c (vectorizable_reduction): Release
10341         vec_defs elements after safe_splicing them into other vectors.
10342         Formatting fixes.
10343
10344         PR tree-optimization/79327
10345         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
10346         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
10347         dirtype.
10348         (format_integer): Use wide_int_to_tree instead of build_int_cst
10349         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
10350         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
10351         of shortest and longest sequence.
10352
10353 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
10354
10355         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
10356         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
10357
10358 2017-02-03  Walter Lee  <walt@tilera.com>
10359
10360         PR target/78862
10361         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
10362         after initial stackframe link reg save.
10363         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
10364
10365 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
10366
10367         PR target/79354
10368         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
10369         wu for stxssp alternative.
10370
10371 2017-02-03  Martin Sebor  <msebor@redhat.com>
10372
10373         PR tree-optimization/79352
10374         * gimple-fold.c (get_range_strlen): Add argument.
10375         (get_range_strlen): Change return type to bool.
10376         (get_maxval_strlen): Pass in a dummy argument.
10377         * gimple-fold.h (get_range_strlen): Change return type to bool.
10378         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
10379         * tree.h (array_at_struct_end_p): Add argument.
10380         * tree.c (array_at_struct_end_p): Handle it.
10381
10382 2017-02-03  Martin Liska  <mliska@suse.cz>
10383
10384         PR lto/66295
10385         * multiple_target.c (create_dispatcher_calls): Redirect edge
10386         from a caller of a dispatcher.
10387         (expand_target_clones): Make the clones local.
10388         (ipa_target_clone): Do both target clones and resolvers.
10389         (ipa_dispatcher_calls): Remove the pass.
10390         (pass_dispatcher_calls::gate): Likewise.
10391         (make_pass_dispatcher_calls): Likewise.
10392         * passes.def (pass_target_clone): Put as very first IPA early
10393         pass.
10394
10395 2017-02-03  Martin Liska  <mliska@suse.cz>
10396
10397         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
10398         in case of a function with ifunc attribute.
10399
10400 2017-02-03  Martin Liska  <mliska@suse.cz>
10401
10402         * cgraph.c (cgraph_node::dump): Dump function version info.
10403         * symtab.c (symtab_node::dump_base): Add missing new line.
10404
10405 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
10406
10407         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
10408         (ifcombine_ifandif): Use it.
10409
10410 2017-02-03  Martin Liska  <mliska@suse.cz>
10411
10412         * doc/invoke.texi: Document default value for
10413         use-after-scope-direct-emission-threshold.
10414
10415 2017-02-03  Martin Liska  <mliska@suse.cz>
10416
10417         PR tree-optimization/79339
10418         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
10419         (format_floating): Likewise.
10420
10421 2017-02-03  Martin Liska  <mliska@suse.cz>
10422
10423         PR ipa/79337
10424         * ipa-prop.c (ipa_node_params_t::insert): Remove current
10425         implementation.
10426         (ipa_node_params_t::remove): Likewise.
10427         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
10428         initialization from removed ipa_node_params_t::insert.
10429         (ipa_node_params::~ipa_node_params): Move from removed
10430         ipa_node_params_t::release.
10431         * symbol-summary.h (symbol_summary::m_released): New member.
10432         Do not release a summary twice.  Do not allow to call finalizer
10433         for types of a summary that live in GGC memory.
10434
10435 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10436
10437         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
10438         cmp_branch fusion.
10439
10440 2017-02-02  Martin Sebor  <msebor@redhat.com>
10441
10442         PR middle-end/79275
10443         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
10444         (format_string): Tighten up the range of output for non-constant
10445         strings and correct the expected range for wide non-constant strings.
10446
10447 2017-02-02  Martin Sebor  <msebor@redhat.com>
10448
10449         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
10450
10451         PR middle-end/32003
10452         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
10453         index.
10454         (-fdump-tree-@var): Add to index and document how to come up
10455         with pass-specific option and dump file names.
10456         (-fdump-passes): Clarify where to look for output.
10457
10458 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
10459
10460         PR middle-end/77445
10461         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
10462         statistics of the analyzed path; allow threading for speed when
10463         any of BBs along the path are optimized for speed.
10464
10465 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
10466
10467         PR middle-end/78468
10468         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
10469         settings of the virtual registers.
10470
10471         Revert again
10472         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10473
10474         * explow.c (get_dynamic_stack_size): Take known alignment of stack
10475         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
10476         needed.
10477
10478 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10479
10480         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
10481         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
10482
10483 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10484
10485         * config/s390/s390.md: Add missing comments with the expanded
10486         mnemonics.
10487         * config/s390/vector.md: Likewise.
10488         * config/s390/vx-builtins.md: Likewise.
10489
10490 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
10491
10492         PR target/79197
10493         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
10494         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
10495         conditions on a single line.
10496
10497 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10498
10499         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
10500         __S390_VX__ to __VX__.
10501
10502 2017-02-01  Andrew Pinski  <apinski@cavium.com>
10503
10504         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
10505         stmt_info to record_stmt_cost.
10506         (vect_get_known_peeling_cost): Pass stmt_info if known to
10507         record_stmt_cost.
10508         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
10509         cpu_vector_cost field into
10510         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
10511         field into vec_int_stmt_cost and vec_fp_stmt_cost.
10512         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
10513         splitting of scalar_stmt_cost and vec_stmt_cost.
10514         (thunderx_vector_cost): Likewise.
10515         (cortexa57_vector_cost): LIkewise.
10516         (exynosm1_vector_cost): Likewise.
10517         (xgene1_vector_cost): Likewise.
10518         (thunderx2t99_vector_cost): Improve after the splitting of the two
10519         fields.
10520         (aarch64_builtin_vectorization_cost): Update for the splitting of
10521         scalar_stmt_cost and vec_stmt_cost.
10522
10523 2017-02-01  Torvald Riegel  <triegel@redhat.com>
10524             Richard Henderson  <rth@redhat.com>
10525
10526         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
10527         conditional on existance of a fast atomic load.
10528         * optabs-query.c (can_atomic_load_p): New function.
10529         * optabs-query.h (can_atomic_load_p): Declare it.
10530         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
10531         no fast atomic load is available for the particular size of access.
10532         (expand_atomic_compare_and_swap): Likewise.
10533         (expand_atomic_load): Likewise.
10534         (expand_atomic_store): Likewise.
10535         (expand_atomic_fetch_op): Likewise.
10536         * testsuite/lib/target-supports.exp
10537         (check_effective_target_sync_int_128): Remove x86 because it provides
10538         no fast atomic load.
10539         (check_effective_target_sync_int_128_runtime): Likewise.
10540
10541 2017-02-01  Richard Biener  <rguenther@suse.de>
10542
10543         * graphite.c: Include tree-vectorizer.h for find_loop_location.
10544         (graphite_transform_loops): Provide opt-info for optimized nests.
10545         * tree-parloop.c (parallelize_loops): Provide opt-info for
10546         parallelized loops.
10547
10548 2017-02-01  Richard Biener  <rguenther@suse.de>
10549
10550         PR middle-end/79315
10551         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
10552         was not set before.
10553
10554 2017-02-01  Richard Biener  <rguenther@suse.de>
10555
10556         PR tree-optimization/71824
10557         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
10558         Verify the loops are valid in the merged SESE region.
10559         (scop_detection::can_represent_loop_1): Check analyzing the
10560         evolution of the number of iterations in the region succeeds.
10561
10562 2017-01-31  Ian Lance Taylor  <iant@golang.org>
10563
10564         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
10565         REG_ARGS_SIZE note to 32-bit push insns and call insn.
10566
10567 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
10568
10569         PR preprocessor/79210
10570         * input.c (get_substring_ranges_for_loc): Replace line_width
10571         assertion with error-handling.
10572
10573 2017-01-31  Richard Biener  <rguenther@suse.de>
10574
10575         PR tree-optimization/77318
10576         * graphite-sese-to-poly.c (extract_affine): Fix assert.
10577         (create_pw_aff_from_tree): Take loop parameter.
10578         (add_condition_to_pbb): Pass loop of the condition to
10579         create_pw_aff_from_tree.
10580
10581 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
10582
10583         * config/s390/s390.c (s390_asan_shadow_offset): New function.
10584         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
10585
10586 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
10587
10588         PR target/78597
10589         PR target/79038
10590         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
10591         no longer used.
10592         (convert_int_to_float128): Likewise.
10593         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
10594         (convert_int_to_float128): Likewise.
10595         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
10596         (UNSPEC_IEEE128_CONVERT): Likewise.
10597         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
10598         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
10599         Use local variables for IBM extended format.
10600         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
10601         (fix_trunc<mode>si2_fprs): Likewise.
10602         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
10603         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
10604         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
10605         to know that we can now have integers of all sizes in vector
10606         registers.
10607         (fix<uns>_<mode>di2_hw): Likewise.
10608         (float<uns>_<mode>si2_hw): Likewise.
10609         (fix_<mode>si2_hw): Likewise.
10610         (fixuns_<mode>si2_hw): Likewise.
10611         (float<uns>_<mode>di2_hw): Likewise.
10612         (float_<mode>di2_hw): Likewise.
10613         (float_<mode>si2_hw): Likewise.
10614         (floatuns_<mode>di2_hw): Likewise.
10615         (floatuns_<mode>si2_hw): Likewise.
10616         (xscvqp<su>wz_<mode>): Delete, no longer used.
10617         (xscvqp<su>dz_<mode>): Likewise.
10618         (xscv<su>dqp_<mode>): Likewise.
10619         (ieee128_mfvsrd_64bit): Likewise.
10620         (ieee128_mfvsrd_32bit): Likewise.
10621         (ieee128_mfvsrwz): Likewise.
10622         (ieee128_mtvsrw): Likewise.
10623         (ieee128_mtvsrd_64bit): Likewise.
10624         (ieee128_mtvsrd_32bit): Likewise.
10625
10626 2017-01-31  Martin Liska  <mliska@suse.cz>
10627
10628         PR ipa/79285
10629         * ipa-prop.c (ipa_free_all_node_params): Call release method
10630         instead of ~sumbol_summary to not to trigger double times
10631         dtor of hash_map.
10632
10633 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
10634
10635         PR tree-optimization/71691
10636         * bitmap.h (class auto_bitmap): New.
10637         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
10638         is_maybe_undefined instead of ssa_undefined_value_p.
10639
10640 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10641
10642         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
10643         __S390_ARCH_LEVEL__ to __ARCH__.
10644
10645 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
10646
10647         PR tree-optimization/79267
10648         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
10649         if should_remove_lhs_p is true.
10650
10651 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
10652
10653         PR debug/63238
10654         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
10655         (add_alignment_attribute): New.
10656         (base_type_die): Add alignment attribute.
10657         (subrange_type_die): Likewise.
10658         (modified_type_die): Likewise.
10659         (gen_array_type_die): Likewise.
10660         (gen_descr_array_type_die: Likewise.
10661         (gen_enumeration_type_die): Likewise.
10662         (gen_subprogram_die): Likewise.
10663         (gen_variable_die): Likewise.
10664         (gen_field_die): Likewise.
10665         (gen_ptr_to_mbr_type_die): Likewise.
10666         (gen_struct_or_union_type_die): Likewise.
10667         (gen_subroutine_type_die): Likewise.
10668         (gen_typedef_die): Likewise.
10669         (base_type_cmp): Compare alignment attribute.
10670
10671 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
10672
10673         PR target/79170
10674         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
10675         (setb_unsigned) New pattern for setb with CCUNS.
10676         * config/rs6000/rs6000.c (expand_block_compare): Use a different
10677         subfc./subfe sequence to avoid overflow problems.  Generate a
10678         shorter sequence with cmpld/setb for power9.
10679         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
10680         for generating subfc. instruction.
10681         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
10682         now uses this instruction.
10683
10684 2017-01-30  Ian Lance Taylor  <iant@google.com>
10685
10686         PR debug/79289
10687         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
10688         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
10689
10690 2017-01-30  Martin Sebor  <msebor@redhat.com>
10691
10692         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
10693         Move constant to the right of a relational operator.
10694         (get_mpfr_format_length, format_character, format_string): Ditto.
10695         (should_warn_p, maybe_warn): Same.
10696
10697         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
10698
10699 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
10700
10701         PR lto/79061
10702         * asan.c (get_translation_unit_decl): Remove function.
10703         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
10704
10705 2017-01-30  Martin Liska  <mliska@suse.cz>
10706
10707         PR gcov-profile/79259
10708         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
10709         -fprofile-generate.
10710
10711 2017-01-30  Martin Liska  <mliska@suse.cz>
10712
10713         PR bootstrap/78985
10714         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
10715         Initialize variables with NULL value.
10716
10717 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
10718
10719         PR target/79260
10720         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
10721         tm_p_file.
10722         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
10723
10724 2017-01-30  Richard Biener  <rguenther@suse.de>
10725
10726         PR tree-optimization/79276
10727         * tree-vrp.c (process_assert_insertions): Properly adjust common
10728         when removing a duplicate.
10729
10730         * gcc.dg/torture/pr79276.c: New testcase.
10731
10732 2017-01-30  Richard Biener  <rguenther@suse.de>
10733
10734         PR tree-optimization/79256
10735         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
10736         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
10737         alignment on TYPE.
10738         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
10739
10740 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10741
10742         PR target/79240
10743         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
10744         ("*r<noxa>sbg_<mode>_sll_bitmask")
10745         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
10746         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
10747         Use contiguous_bitmask_nowrap_operand.
10748
10749 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10750
10751         PR target/79268
10752         * config/rs6000/altivec.h (vec_xl): Revise #define.
10753         (vec_xst): Likewise.
10754
10755 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
10756
10757         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
10758
10759 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
10760
10761         PR rtl-optimization/79194
10762         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
10763         traps before call to bypass_conditional_jumps.
10764
10765 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
10766
10767         PR tree-optimization/71374
10768         * lra-constraints.c (check_conflict_input_operands): New.
10769         (match_reload): Use it.
10770
10771 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
10772
10773         PR target/79131
10774         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
10775         account to calculate conflict_set.
10776
10777 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
10778
10779         PR rtl-optimization/78559
10780         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
10781         other_insn in combine.
10782
10783 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
10784
10785         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
10786         uint16_type_node for BT_UINT16.
10787
10788 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
10789
10790         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
10791         "RTL Tests" to menu.
10792         (GIMPLE Tests): New node.
10793         (RTL Tests): New node.
10794
10795 2017-01-27  Richard Biener  <rguenther@suse.de>
10796
10797         PR tree-optimization/79245
10798         * tree-loop-distribution.c (distribute_loop): Apply cost
10799         modeling also to detected patterns.
10800
10801 2017-01-27  Richard Biener  <rguenther@suse.de>
10802
10803         PR tree-optimization/71433
10804         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
10805         (compare_assert_loc): New function.
10806         (process_assert_insertions): Sort and optimize assert locations
10807         to remove duplicates and push down identical assertions on
10808         edges to their destination block.
10809
10810 2017-01-27  Richard Biener  <rguenther@suse.de>
10811
10812         PR tree-optimization/79244
10813         * tree-vrp.c (remove_range_assertions): Forcefully propagate
10814         out SSA names even if abnormal.
10815
10816 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
10817
10818         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
10819         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
10820         instead of MPFR_RNDN.
10821
10822 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
10823
10824         PR target/79239
10825         * arm.c (arm_option_override): Don't call build_target_option_node
10826         until after doing all option overrides.
10827         (arm_valid_target_attribute_tree): Likewise.
10828
10829 2017-01-27  Martin Liska  <mliska@suse.cz>
10830
10831         * doc/invoke.texi (-fprofile-arcs): Document profiling support
10832         for {cd}tors and C++ {cd}tors.
10833
10834 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10835
10836         * config/s390/s390.md ("*setmem_long_and")
10837         ("*setmem_long_and_31z"): Use zero_extend instead of and.
10838
10839 2017-01-26  Martin Sebor  <msebor@redhat.com>
10840
10841         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
10842         of precision.
10843
10844 2017-01-26  Martin Sebor  <msebor@redhat.com>
10845
10846         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
10847         HAVE_DFmode before using XFmode or DFmode.
10848         (parse_directive): Avoid using the z length modifier to avoid
10849         the ISO C++98 does not support the ‘z’ gnu_printf length modifier.
10850
10851         PR middle-end/78703
10852         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
10853         to accept adjustment as an array.
10854         (get_int_range): New function.
10855         (struct directive): Make width and prec arrays.
10856         (directive::set_width, directive::set_precision): Call get_int_range.
10857         (format_integer, format_floating): Handle width and precision ranges.
10858         (format_string, parse_directive): Same.
10859
10860 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
10861
10862         PR debug/79129
10863         * dwarf2out.c (generate_skeleton_bottom_up): For children with
10864         comdat_type_p set, just clone them, but keep the children in the
10865         original DIE.
10866
10867         PR debug/78835
10868         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
10869         which have direct callers with -fvar-tracking-assignments enabled
10870         in the current TU.
10871         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
10872         inside of type units.
10873
10874 2017-01-26  Martin Sebor  <msebor@redhat.com>
10875
10876         PR middle-end/78703
10877         * gimple-ssa-sprintf.c (struct result_range): Add likely and
10878         unlikely counters.
10879         (struct format_result): Replace number_chars, number_chars_min,
10880         and number_chars_max with a single member of struct result_range.
10881         Remove bounded.
10882         (format_result::operator+=): Adjust.
10883         (struct fmtresult): Remove bounded.  Handle likely and unlikely
10884         counters.
10885         (fmtresult::adjust_for_width_or_precision): New function.
10886         (fmtresult:type_max_digits): New function.
10887         (bytes_remaining): Handle likely and unlikely counters.
10888         (min_bytes_remaining): Remove.
10889         (format_percent): Simplify.
10890         (format_integer, format_floating): Set likely and unlikely counters.
10891         (get_string_length, format_character, format_string): Same.
10892         (format_plain, should_warn_p): New function.
10893         (maybe_warn): Call should_warn_p.  Update diagnostic messages
10894         and handle those for all directives, including plain strings.
10895         (format_directive): Handle likely and unlikely counters.
10896         Remove unnecessary quoting from diagnostics.  Add an informational
10897         note.
10898         (add_bytes): Remove.
10899         (pass_sprintf_length::compute_format_length): Simplify.
10900         (try_substitute_return_value): Handle likely and unlikely counters.
10901
10902 2017-01-26  Carl Love  <cel@us.ibm.com>
10903
10904         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
10905         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
10906
10907 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
10908
10909         PR target/79131
10910         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
10911         endianess for subregs into account.
10912         * lra-constraints.c (lra_constraints): Do risky transformations
10913         always on the first iteration.
10914         * lra-lives.c (check_pseudos_live_through_calls): Add arg
10915         last_call_used_reg_set.
10916         (process_bb_lives): Define and use last_call_used_reg_set.
10917         * lra.c (lra): Always continue after lra_constraints on the first
10918         iteration.
10919
10920 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
10921
10922         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
10923         constant.
10924         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
10925
10926 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
10927
10928         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
10929         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
10930         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
10931         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
10932         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
10933         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
10934         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
10935         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
10936         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
10937
10938 2017-01-26  Marek Polacek  <polacek@redhat.com>
10939
10940         PR c/79199
10941         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
10942         for the third operand.
10943
10944 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
10945
10946         PR middle-end/79236
10947         * omp-low.c (struct omp_context): Add simt_stmt field.
10948         (scan_omp_for): Return omp_context *.
10949         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
10950         context to the _simt_ SIMD stmt.
10951         (lower_omp_for): For combined SIMD with sibling _simt_
10952         SIMD, make sure to use the same decls in _looptemp_
10953         clauses as in the sibling.
10954
10955 2017-01-26  David Sherwood  <david.sherwood@arm.com>
10956
10957         PR middle-end/79212
10958         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
10959         all contexts.
10960
10961 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
10962
10963         PR target/70465
10964         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
10965         emit fld b; fld a; if possible.
10966
10967         * brig-builtins.def: Update copyright years.
10968         * config/arm/arm_acle_builtins.def: Update copyright years.
10969
10970 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
10971
10972         PR target/79179
10973         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
10974         constraint instead of o for the stxsd instruction.
10975
10976 2017-01-25  Carl Love  <cel@us.ibm.com>
10977
10978         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
10979         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
10980
10981 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
10982
10983         * doc/invoke.texi (C++ Dialect Options): Fix typo.
10984
10985 2017-01-25  Richard Biener  <rguenther@suse.de>
10986
10987         PR tree-optimization/69264
10988         * target.def (vector_alignment_reachable): Improve documentation.
10989         * doc/tm.texi: Regenerate.
10990         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
10991         and add a comment.
10992         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
10993         earlier changes with respect to TYPE_USER_ALIGN.
10994         (vector_alignment_reachable_p): Likewise.  Improve dumping.
10995
10996 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10997
10998         PR target/79145
10999         * config/arm/arm.md (xordi3): Force constant operand into a register
11000         for TARGET_IWMMXT.
11001
11002 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11003
11004         * doc/invoke.texi (-fstore-merging): Correct default optimization
11005         levels at which it is enabled.
11006         (-O): Move -fstore-merging from list to...
11007         (-O2): ... Here.
11008
11009 2017-01-25  Richard Biener  <rguenther@suse.de>
11010
11011         PR debug/78363
11012         * omp-expand.c: Include debug.h.
11013         (expand_omp_taskreg): Make sure to generate early debug before
11014         outlining anything from a function.
11015         (expand_omp_target): Likewise.
11016         (grid_expand_target_grid_body): Likewise.
11017
11018 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
11019
11020         PR lto/79061
11021         * asan.c (get_translation_unit_decl): New function.
11022         (asan_add_global): Extract modules file name from globals
11023         TRANSLATION_UNIT_DECL name.
11024
11025 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
11026
11027         PR target/77439
11028         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
11029         for long calls with APCS frame and VFP.
11030
11031 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
11032
11033         * cfg.c (original_copy_tables_initialized_p): New function.
11034         * cfg.h (original_copy_tables_initialized_p): New decl.
11035         * cfgrtl.c (relink_block_chain): Guard the call to
11036         free_original_copy_tables with a call to
11037         original_copy_tables_initialized_p.
11038         * cgraph.h (symtab_node::native_rtl_p): New decl.
11039         * cgraphunit.c (symtab_node::native_rtl_p): New function.
11040         (symtab_node::needed_p): Don't assert for early assembly output
11041         for __RTL functions.
11042         (cgraph_node::finalize_function): Set "force_output" for __RTL
11043         functions.
11044         (cgraph_node::analyze): Bail out early for __RTL functions.
11045         (analyze_functions): Update assertion to support __RTL functions.
11046         (cgraph_node::expand): Bail out early for __RTL functions.
11047         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
11048         __RTL functions.
11049         * function.h (struct function): Update comment for field
11050         "pass_startwith".
11051         * gimple-expr.c: Include "tree-pass.h".
11052         (gimple_has_body_p): Return false for __RTL functions.
11053         * Makefile.in (OBJS): Add run-rtl-passes.o.
11054         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
11055         accessor.
11056         (gcc::pass_manager::get_clean_slate): New accessor.
11057         * passes.c: Include "insn-addr.h".
11058         (should_skip_pass_p): Add logging.  Update logic for running
11059         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
11060         property-provider override so it is only done for gimple passes.
11061         Don't skip dfinit.
11062         (skip_pass): New function.
11063         (execute_one_pass): Call skip_pass when skipping passes.
11064         * read-md.c (md_reader::read_char): Support filtering
11065         the input to a subset of line numbers.
11066         (md_reader::md_reader): Initialize fields
11067         m_first_line and m_last_line.
11068         (md_reader::read_file_fragment): New function.
11069         * read-md.h (md_reader::read_file_fragment): New decl.
11070         (md_reader::m_first_line): New field.
11071         (md_reader::m_last_line): New field.
11072         * read-rtl-function.c (function_reader::create_function): Only
11073         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
11074         curr_properties.  Set DECL_INITIAL to a dummy block.
11075         (read_rtl_function_body_from_file_range): New function.
11076         * read-rtl-function.h (read_rtl_function_body_from_file_range):
11077         New decl.
11078         * run-rtl-passes.c: New file.
11079         * run-rtl-passes.h: New file.
11080
11081 2017-01-24  Jeff Law  <law@redhat.com>
11082
11083         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
11084         buffer size.
11085
11086 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
11087
11088         PR tree-optimization/79159
11089         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
11090         (record_nonwrapping_iv): Improve boundary using above function if no
11091         value range information.
11092
11093 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
11094             Martin Jambor  <mjambor@suse.cz>
11095
11096         * brig-builtins.def: New file.
11097         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
11098         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
11099         (DEF_HSAIL_SAT_BUILTIN): Likewise.
11100         (DEF_HSAIL_INTR_BUILTIN): Likewise.
11101         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
11102         * builtin-types.def (BT_INT8): New.
11103         (BT_INT16): Likewise.
11104         (BT_UINT8): Likewise.
11105         (BT_UINT16): Likewise.
11106         (BT_FN_ULONG): Likewise.
11107         (BT_FN_UINT_INT): Likewise.
11108         (BT_FN_UINT_ULONG): Likewise.
11109         (BT_FN_UINT_LONG): Likewise.
11110         (BT_FN_UINT_PTR): Likewise.
11111         (BT_FN_ULONG_PTR): Likewise.
11112         (BT_FN_INT8_FLOAT): Likewise.
11113         (BT_FN_INT16_FLOAT): Likewise.
11114         (BT_FN_UINT32_FLOAT): Likewise.
11115         (BT_FN_UINT16_FLOAT): Likewise.
11116         (BT_FN_UINT8_FLOAT): Likewise.
11117         (BT_FN_UINT64_FLOAT): Likewise.
11118         (BT_FN_UINT16_UINT32): Likewise.
11119         (BT_FN_UINT32_UINT16): Likewise.
11120         (BT_FN_UINT16_UINT16_UINT16): Likewise.
11121         (BT_FN_INT_PTR_INT): Likewise.
11122         (BT_FN_UINT_PTR_UINT): Likewise.
11123         (BT_FN_LONG_PTR_LONG): Likewise.
11124         (BT_FN_ULONG_PTR_ULONG): Likewise.
11125         (BT_FN_VOID_UINT64_UINT64): Likewise.
11126         (BT_FN_UINT8_UINT8_UINT8): Likewise.
11127         (BT_FN_INT8_INT8_INT8): Likewise.
11128         (BT_FN_INT16_INT16_INT16): Likewise.
11129         (BT_FN_INT_INT_INT): Likewise.
11130         (BT_FN_UINT_FLOAT_UINT): Likewise.
11131         (BT_FN_FLOAT_UINT_UINT): Likewise.
11132         (BT_FN_ULONG_UINT_UINT): Likewise.
11133         (BT_FN_ULONG_UINT_PTR): Likewise.
11134         (BT_FN_ULONG_ULONG_ULONG): Likewise.
11135         (BT_FN_UINT_UINT_UINT): Likewise.
11136         (BT_FN_VOID_UINT_PTR): Likewise.
11137         (BT_FN_UINT_UINT_PTR: Likewise.
11138         (BT_FN_UINT32_UINT64_PTR): Likewise.
11139         (BT_FN_INT_INT_UINT_UINT): Likewise.
11140         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
11141         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
11142         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
11143         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
11144         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
11145         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
11146         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
11147         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
11148         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
11149         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
11150         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
11151         * doc/frontends.texi: List BRIG FE.
11152         * doc/install.texi (Testing): Add BRIG tesring requirements.
11153         * doc/invoke.texi (Overall Options): Mention BRIG.
11154         * doc/standards.texi (Standards): Doucment BRIG HSA version.
11155
11156 2017-01-24  Richard Biener  <rguenther@suse.de>
11157
11158         PR translation/79208
11159         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
11160
11161 2017-01-24  Martin Jambor  <mjambor@suse.cz>
11162
11163         PR bootstrap/79198
11164         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
11165         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
11166         and known_contexts.
11167
11168 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
11169
11170         PR middle-end/79123
11171         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
11172         casts from signed to unsigned really don't have a range.
11173
11174 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
11175
11176         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
11177         GMP_RNDx for compatiblity.
11178
11179 2017-01-24  Martin Liska  <mliska@suse.cz>
11180
11181         PR bootstrap/79132
11182         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
11183         that would prevent us to call alloca with -1 as argument.
11184
11185 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
11186
11187         * dwarf2out.c (output_compilation_unit_header, output_file_names):
11188         Avoid -Wformat-security warning.
11189
11190 2017-01-23  Andrew Pinski  <apinski@cavium.com>
11191
11192         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
11193         cost table.
11194
11195 2017-01-23  Martin Sebor  <msebor@redhat.com>
11196
11197         PR middle-end/78703
11198         * gimple-ssa-sprintf.c (warn_level): New global.
11199         (format_integer): Use it here and throughout the rest of the file.
11200         Use the same switch to compute sign as base.
11201         (maybe_warn): New function.
11202         (format_directive): Factor out warnings into maybe_warn.
11203         Add debugging output.  Use warn_level.
11204         (add_bytes): Use warn_level.
11205         (pass_sprintf_length::compute_format_length): Add debugging output.
11206         (try_substitute_return_value): Same.
11207         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
11208
11209         PR middle-end/78703
11210         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
11211         (struct fmtresult, format_integer, format_floating): Adjust.
11212         (fmtresult::fmtresult): Set max correctly in two argument ctor.
11213         (get_string_length, format_string,format_directive): Same.
11214         (pass_sprintf_length::compute_format_length): Same.
11215         (try_substitute_return_value): Simplify slightly.
11216
11217         PR middle-end/78703
11218         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
11219         (fmtresult::operator+=): Outlined.
11220         (struct fmtresult): Add ctors.
11221         (struct conversion_spec): Rename...
11222         (struct directive): ...to this.  Add and remove data members.
11223         (directive::set_width, directive::set_precision): New functions.
11224         (format_percent): Use fmtresult ctor.
11225         (get_width_and_precision): Remove.
11226         (format_integer): Make naming changes.  Avoid computing width and
11227         precision.
11228         (format_floating): Same.  Adjust indentation.
11229         (format_character, format_none): New functions.
11230         (format_string): Moved character handling to format_character.
11231         (format_directive): Remove arguments, change return type.
11232         (parse_directive): New function.
11233         (pass_sprintf_length::compute_format_length): Move directive
11234         parsing to parse_directive.
11235
11236 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
11237
11238         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
11239         (assign_assembler_name_if_needed): ... this.
11240         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
11241         (assign_assembler_name_if_needed): ... this.
11242         (free_lang_data_in_cgraph): Adjust callers.
11243         * cgraphunit.c (cgraph_node::analyze): Likewise.
11244         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
11245         Likewise.
11246
11247 2017-01-23  Richard Biener  <rguenther@suse.de>
11248
11249         PR tree-optimization/79088
11250         PR tree-optimization/79188
11251         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
11252         resetting loop bounds after last path deletion.  Reset loop
11253         bounds of the target loop, make code match the comments.
11254         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
11255         Make sure loops need no fixups.
11256
11257 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
11258
11259         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
11260         exponent support with double type for first argument.
11261         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
11262         type returned by __builtin_vec_extract_sig,
11263         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
11264         functions from "vector int" to "vector unsigned int" or from
11265         "vector long long int" to "vector unsigned long long int".
11266         Changed type returned by __builtin_vec_extract_exp,
11267         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
11268         functions from "vector int" to "vector unsigned int" or from
11269         "vector long long int" to "vector unsigned long long int".
11270         Changed return type of __builtin_vec_test_data_class,
11271         __builtin_vec_test_data_class_sp, and
11272         __builtin_vec_test_data_class_dp from "vector int" to
11273         "vector bool int" or from "vector long long int" to "vector bool
11274         long long int" and changed second argument type from "unsigned
11275         int" to "int".  Added new overloaded function forms "vector float
11276         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
11277         "vector float __builtin_vec_insert_exp_sp (vector float, vector
11278         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
11279         double, vector unsigned long long int)" and "vector double
11280         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
11281         long int)".  Changed return type of
11282         __builtin_scalar_test_data_class and
11283         __builtin_scalar_test_data_class_sp and
11284         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
11285         int" and changed second argument from "unsigned int" to "int".
11286         Changed type returned by __builtin_scalar_test_neg,
11287         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
11288         from "int" to "bool int".  Added new overloaded function form
11289         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
11290         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
11291         exponent double-precision with floating point first argument.
11292         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
11293         documentation of scalar_test_data_class, scalar_test_neg,
11294         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
11295         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
11296         vec_test_data_class built-in functions to reflect refinements in
11297         their type signatures.
11298
11299 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
11300
11301         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
11302         size of buf.
11303         (aarch64_elf_asm_destructor): Likewise.
11304
11305 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
11306
11307         PR rtl-optimization/78634
11308         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
11309         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
11310         * ifcvt.c (noce_try_cmove): Add missing cost check.
11311
11312         PR rtl-optimization/71724
11313         * combine.c (if_then_else_cond): Look for situations where it is
11314         beneficial to undo the work of one of the recursive calls.
11315
11316 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
11317
11318         PR tree-optimization/70754
11319         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
11320         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
11321         combined stmt before it if not NULL.
11322         (combine_chains): Process refs reversely and compute dominance point
11323         for root ref.
11324
11325 2017-01-23  Martin Liska  <mliska@suse.cz>
11326
11327         PR tree-optimization/79196
11328         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
11329         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
11330         instead of memcmp.
11331         (strlen_optimize_stmt): Call the renamed function.
11332
11333 2017-01-23  Michael Matz  <matz@suse.de>
11334
11335         PR tree-optimization/78384
11336         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
11337
11338 2017-01-23  Richard Biener  <rguenther@suse.de>
11339
11340         PR tree-optimization/79186
11341         * tree-vrp.c (register_new_assert_for): Make sure we've seen
11342         both incoming edges before moving an assert.
11343
11344 2017-01-23  Martin Jambor  <mjambor@suse.cz>
11345
11346         * ipa-prop.c (load_from_param_1): Removed.
11347         (load_from_unmodified_param): Bits from load_from_param_1 put back
11348         here.
11349         (load_from_param): Removed.
11350         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
11351         with stmt.  Reverted back to use of load_from_unmodified_param.
11352
11353 2017-01-23  Martin Jambor  <mjambor@suse.cz>
11354
11355         PR ipa/79108
11356         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
11357         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
11358         field a pointer to garbage collected vector, mark lattices and
11359         ipcp_orig_node with GTY((skip)).
11360         (ipa_get_param_count): Adjust to descriptors being a pointer.
11361         (ipa_get_param): Likewise.
11362         (ipa_get_type): Likewise.
11363         (ipa_get_param_move_cost): Likewise.
11364         (ipa_set_param_used): Likewise.
11365         (ipa_get_controlled_uses): Likewise.
11366         (ipa_set_controlled_uses): Likewise.
11367         (ipa_is_param_used): Likewise.
11368         (ipa_node_params_t): Move into garbage collector.  New methods insert
11369         and remove.
11370         (ipa_node_params_sum): Annotate wth GTY(()).
11371         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
11372         garbage collected.
11373         (ipa_load_from_parm_agg): Adjust declaration.
11374         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
11375         * ipa-profile.c (ipa_profile): Likewise.
11376         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
11377         (ipa_populate_param_decls): Make descriptors parameter garbage
11378         collected.
11379         (ipa_dump_param): Adjust to descriptors being a pointer.
11380         (ipa_alloc_node_params): Likewise.
11381         (ipa_initialize_node_params): Likewise.
11382         (load_from_param_1): Make descriptors parameter garbage collected.
11383         (load_from_unmodified_param): Likewise.
11384         (load_from_param): Likewise.
11385         (ipa_load_from_parm_agg): Likewise.
11386         (ipa_node_params::~ipa_node_params): Removed.
11387         (ipa_free_all_node_params): Remove call to delete operator.
11388         (ipa_node_params_t::insert): New.
11389         (ipa_node_params_t::remove): Likewise.
11390         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
11391         copy known_csts and known_contexts vectors.
11392         (ipa_read_node_info): Adjust to descriptors being a pointer.
11393         (ipcp_modif_dom_walker): Make m_descriptors field garbage
11394         collected.
11395         (ipcp_transform_function): Make descriptors variable garbage
11396         collected.
11397
11398 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
11399
11400         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
11401         * config/i386/avx512dqintrin.h: Ditto.
11402         * config/i386/avx512fintrin.h: Ditto.
11403         * gcc/config/i386/i386.c: Handle new builtins.
11404         * config/i386/i386-builtin.def: Add new builtins.
11405         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
11406         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
11407
11408 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
11409             Martin Liska  <mliska@suse.cz>
11410
11411         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
11412         * asan.c (asan_expand_poison_ifn): Support stores and use
11413         appropriate ASAN report function.
11414         * internal-fn.c (expand_ASAN_POISON_USE): New function.
11415         * internal-fn.def (ASAN_POISON_USE): Declare.
11416         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
11417         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
11418         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
11419         ASAN_POISON calls w/o LHS.
11420         * tree-ssa.c (execute_update_addresses_taken): Create clobber
11421         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
11422         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
11423         * gimplify.c (asan_poison_variables): Add attribute
11424         use_after_scope_memory to variables that really needs to live
11425         in memory.
11426         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
11427         having the attribute.
11428
11429 2017-01-23  Martin Liska  <mliska@suse.cz>
11430
11431         * asan.c (create_asan_shadow_var): New function.
11432         (asan_expand_poison_ifn): Likewise.
11433         * asan.h (asan_expand_poison_ifn): New declaration.
11434         * internal-fn.c (expand_ASAN_POISON): Likewise.
11435         * internal-fn.def (ASAN_POISON): New builtin.
11436         * sanopt.c (pass_sanopt::execute): Expand
11437         asan_expand_poison_ifn.
11438         * tree-inline.c (copy_decl_for_dup_finish): Make function
11439         external.
11440         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
11441         * tree-ssa.c (is_asan_mark_p): New function.
11442         (execute_update_addresses_taken): Rewrite local variables
11443         (identified just by use-after-scope as addressable) into SSA.
11444
11445 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
11446
11447         * doc/install.texi (Specific): opensource.apple.com uses https
11448         now. Remove trailing slash.
11449
11450 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
11451
11452         * README.Portability: Remove note on an Irix compatibility issue.
11453
11454 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
11455
11456         * gcov.c (INCLUDE_ALGORITHM): Define.
11457         (INCLUDE_VECTOR): Define.
11458         No longer include <vector> and <algorithm> directly.
11459
11460 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
11461
11462         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
11463         to https.
11464         * doc/invoke.texi (Code Gen Options): Ditto.
11465
11466 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
11467
11468         PR lto/78407
11469         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
11470
11471 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
11472
11473         rtl-optimization/79125
11474         * cprop.c (local_cprop_pass): Handle cases where we make an
11475         unconditional trap.
11476
11477 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
11478
11479         PR target/61729
11480         PR target/77850
11481         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
11482         read from, for big endian.
11483
11484 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
11485
11486         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
11487         register pauth builtins for LP64 only.
11488
11489 2017-01-20  Marek Polacek  <polacek@redhat.com>
11490
11491         PR c/79152
11492         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
11493         non-case labels.
11494
11495 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
11496
11497         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
11498         of safelen status.
11499         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
11500         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
11501         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
11502
11503 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11504
11505         PR target/71270
11506         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
11507         in big-endian mode when they are not a single duplicated value.
11508
11509 2017-01-20  Richard Biener  <rguenther@suse.de>
11510
11511         * BASE-VER: Bump to 7.0.1.
11512
11513 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
11514
11515         * omp-low.c (omplow_simd_context): New struct.  Use it...
11516         (lower_rec_simd_input_clauses): ...here and...
11517         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
11518         references to idx, lane, max_vf, is_simt.
11519
11520 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
11521
11522         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
11523         mcpu=nps400.
11524
11525 2017-01-20  Martin Jambor  <mjambor@suse.cz>
11526
11527         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
11528         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
11529         gt-hsa-common.h.
11530         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
11531         (GTFILES): Rename hsa.c to hsa-common.c.
11532         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
11533         * hsa-dump.c: Likewise.
11534         * hsa-gen.c: Likewise.
11535         * hsa-regalloc.c: Likewise.
11536         * ipa-hsa.c: Likewise.
11537         * omp-expand.c: Likewise.
11538         * omp-low.c: Likewise.
11539         * toplev.c: Likewise.
11540
11541 2017-01-20  Marek Polacek  <polacek@redhat.com>
11542
11543         PR c/64279
11544         * doc/invoke.texi: Document -Wduplicated-branches.
11545         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
11546         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
11547         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
11548         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
11549         return 0 only when not OEP_LEXICOGRAPHIC.
11550         (fold_build_cleanup_point_expr): Use the expression
11551         location when building CLEANUP_POINT_EXPR.
11552         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
11553         * tree.c (add_expr): Handle error_mark_node.
11554
11555 2017-01-20  Martin Liska  <mliska@suse.cz>
11556
11557         PR lto/69188
11558         * tree-profile.c (init_ic_make_global_vars): Do not call
11559         finalize_decl.
11560         (gimple_init_gcov_profiler): Likewise.
11561
11562 2017-01-20  Martin Liska  <mliska@suse.cz>
11563
11564         PR ipa/71190
11565         * cgraph.h (maybe_create_reference): Remove argument and
11566         update comment.
11567         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
11568         argument.
11569         * ipa-cp.c (create_specialized_node): Likewise.
11570         * symtab.c (symtab_node::maybe_create_reference): Handle
11571         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
11572
11573 2017-01-20  Martin Liska  <mliska@suse.cz>
11574
11575         * read-rtl-function.c (function_reader::create_function): Use
11576         build_decl instread of build_decl_stat.
11577
11578 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
11579
11580         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
11581         * config/i386/avx512dqintrin.h: Ditto.
11582         * config/i386/avx512fintrin.h: Ditto.
11583         * config/i386/i386-builtin-types.def: Add new types.
11584         * gcc/config/i386/i386.c: Handle new types.
11585         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
11586         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
11587         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
11588         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
11589         (__builtin_ia32_kshiftridi): New.
11590         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
11591
11592 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
11593
11594         PR target/78875
11595         PR target/79140
11596         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
11597         define to rs6000_init_stack_protect_guard.
11598         (rs6000_init_stack_protect_guard): New function.
11599
11600 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
11601             Yunqiang Su  <yunqiang.su@imgtec.com>
11602
11603         * config.gcc (supported_defaults): Add madd4.
11604         (with_madd4): Add validation.
11605         (all_defaults): Add madd4.
11606         * config/mips/mips.opt (mmadd4): New option.
11607         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
11608         mmadd4.
11609         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
11610         __mips_no_madd4.
11611         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
11612         (ISA_HAS_FUSED_MADD4): Likewise.
11613         * gcc/doc/invoke.texi (-mmadd4): Document the new option.
11614         * gcc/doc/install.texi (--with-madd4): Document the new option.
11615
11616 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
11617
11618         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
11619         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
11620         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
11621         (aarch64_init_pauth_hint_builtins): New.
11622         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
11623         (aarch64_expand_builtin): Expand new builtins.
11624
11625 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
11626
11627         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
11628         * combine-stack-adj.c (no_unhandled_cfa): Handle
11629         REG_CFA_TOGGLE_RA_MANGLE.
11630         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
11631         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
11632         info for return address signing.
11633         (aarch64_expand_epilogue): Likewise.
11634
11635 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
11636
11637         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
11638         * config/aarch64/aarch64-protos.h
11639         (aarch64_return_address_signing_enabled): New declaration.
11640         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
11641         New function.
11642         (aarch64_expand_prologue): Sign return address before it's pushed onto
11643         stack.
11644         (aarch64_expand_epilogue): Authenticate return address fetched from
11645         stack.
11646         (aarch64_override_options): Sanity check for ILP32 and ISA level.
11647         (aarch64_attributes): New function attributes for "sign-return-address".
11648         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
11649         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
11650         ("*do_return"): Generate combined instructions according to key index.
11651         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
11652         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
11653         iterators.
11654         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
11655         * config/aarch64/aarch64.opt (msign-return-address=): New.
11656         * doc/extend.texi (AArch64 Function Attributes): Documents
11657         "sign-return-address=".
11658         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
11659
11660 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
11661
11662         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
11663         overall option summary.
11664
11665 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
11666
11667         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
11668         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
11669         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
11670         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
11671
11672 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
11673
11674         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
11675         -mpower9-minmax by default for -mcpu=power9.
11676         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
11677         128-bit floating point.
11678
11679 2017-01-20  Alan Modra  <amodra@gmail.com>
11680
11681         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
11682         optimizing for size.
11683
11684 2017-01-20  Alan Modra  <amodra@gmail.com>
11685
11686         PR target/79144
11687         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
11688         for strcmp and strncmp from corresponding builtin decl.
11689
11690 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
11691
11692         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
11693         instead of i386/rtems-64.h.
11694         * config/i386/rtems-64.h: Remove.
11695
11696 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
11697
11698         PR target/78478
11699         Revert:
11700         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
11701
11702         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
11703
11704 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
11705
11706         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
11707         Change int to HOST_WIDE_INT.
11708         * config/aarch64/aarch64-protos.h
11709         (aarch64_simd_gen_const_vector_dup): Likewise.
11710         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
11711
11712 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
11713
11714         * langhooks-def.h (lhd_type_for_size): New decl.
11715         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
11716         * langhooks.c (lhd_type_for_size): New function, taken from
11717         lto_type_for_size.
11718
11719 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
11720
11721         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
11722         define_bypass for CR latency.
11723         (power9-cracked-alu): Update bypass latency and remove power9-branch.
11724         (power9-alu2): Add define_bypass for CR latency.
11725         (power9-cmp): New.
11726         (power9-mul): Update insn latency.
11727         (power9-mul-compare): Update insn latency, bypass latency and remove
11728         power9-branch.
11729
11730 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11731
11732         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
11733         Delete.
11734         * config/aarch64/aarch64.md
11735         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
11736         aarch64_nopcrelative_literal_loads.
11737         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
11738
11739 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
11740
11741         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
11742         TARGET_LOONGSON_3A.
11743         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
11744
11745 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
11746
11747         PR target/78176
11748         * config.gcc (supported_defaults): Add lxc1-sxc1.
11749         (with_lxc1_sxc1): Add validation.
11750         (all_defaults): Add lxc1-sxc1.
11751         * config/mips/mips.opt (mlxc1-sxc1): New option.
11752         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
11753         mlxc1-sxc1.
11754         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
11755         __mips_no_lxc1_sxc1.
11756         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
11757         * gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option.
11758         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
11759
11760 2017-01-19  Richard Biener  <rguenther@suse.de>
11761
11762         PR tree-optimization/72488
11763         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
11764         sure to restore SSA info.
11765         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
11766
11767 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
11768
11769         PR rtl-optimization/79121
11770         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
11771         of the inner type when shifting an extended value.
11772
11773 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
11774
11775         PR lto/78407
11776         * symtab.c (symtab_node::equal_address_to): Fix comparing of
11777         interposable aliases.
11778
11779 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
11780
11781         PR target/78516
11782         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
11783         Use the evmergelohi instruction.
11784         (mov_si<mode>_e500_subreg4_2_le): Likewise.
11785         (mov_sitf_e500_subreg8_2_be): Likewise.
11786         (mov_sitf_e500_subreg12_2_le): Likewise.
11787         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
11788         (mov_si<mode>_e500_subreg4_2_be): Likewise.
11789         (mov_sitf_e500_subreg8_2_le): Likewise.
11790         (mov_sitf_e500_subreg12_2_be): Likewise.
11791
11792 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11793
11794         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
11795         attribute from vecsimple to vecperm.
11796         (altivec_vbpermq2): Likewise.
11797
11798 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11799
11800         PR target/79040
11801         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
11802
11803 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
11804         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
11805         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
11806         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
11807         case where N arg is SIZE_MAX.
11808         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
11809         (cmpstrsi): Add pattern.
11810
11811 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
11812
11813         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
11814         __builtin_vec_revb builtins.
11815         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
11816         built-in functions to support generation of the ISA 3.0 XXBR<x>
11817         vector byte reverse instructions.
11818         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
11819         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
11820         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
11821         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
11822         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
11823         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
11824         (P9V_BUILTIN_VEC_REVB): Likewise.
11825         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
11826         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
11827         (p9_xxbrq_v16qi): Likewise.
11828         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
11829         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
11830         (p9_xxbrh_v8hi): Likewise.
11831         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
11832         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
11833         vec_revb built-in functions.
11834
11835 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
11836
11837         PR rtl-optimization/78952
11838         * config/i386/i386.md (any_extract): New code iterator.
11839         (*insvqi_2): Use any_extract for source operand.
11840         (*insvqi_3): Use any_shiftrt for source operand.
11841
11842 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
11843
11844         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
11845         New function.
11846         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
11847
11848 2017-01-18  Matthias Klose  <doko@ubuntu.com>
11849
11850         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
11851
11852 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11853
11854         * config/rs6000/altivec.h (vec_bperm): Change #define.
11855         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
11856         (altivec_vbpermq2): New define_insn.
11857         (altivec_vbpermd): Likewise.
11858         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
11859         function interface.
11860         (VBPERMD): Likewise.
11861         (VBPERM): New polymorphic function interface.
11862         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
11863         Add entries for P9V_BUILTIN_VEC_VBPERM.
11864         * doc/extend.texi: Add interfaces for vec_bperm.
11865
11866 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11867
11868         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
11869         first letter of error messages.
11870         (s390_resolve_overloaded_builtin): Likewise.
11871         * config/s390/s390.c (s390_expand_builtin): Likewise.
11872         (s390_invalid_arg_for_unprototyped_fn): Likewise.
11873         (s390_valid_target_attribute_inner_p): Likewise.
11874         * config/s390/s390.md ("tabort"): Likewise.
11875
11876 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
11877
11878         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
11879         (ISA_AVOID_DIV_HILO): New macro.
11880         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
11881         (ISA_HAS_DDIV): Likewise.
11882
11883 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
11884
11885         * doc/invoke.texi (fabi-version): Correct number of occurrences.
11886
11887 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
11888
11889         * doc/invoke.texi (fabi-version): Spelling fix.
11890
11891 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
11892
11893         PR c++/70182
11894         * doc/invoke.texi (fabi-version): Mention mangling fix for
11895         operator names.
11896
11897 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
11898
11899         PR c++/77489
11900         * doc/invoke.texi (fabi-version): Document discriminator mangling.
11901
11902 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
11903
11904         PR target/78875
11905         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
11906         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
11907         the new options.
11908         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
11909         flexible settings.
11910         (stack_protect_test): Ditto.
11911         * config/rs6000/rs6000.opt (mstack-protector-guard=,
11912         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
11913         options.
11914         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
11915         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
11916         -mstack-protector-guard-offset=.
11917         (RS/6000 and PowerPC Options): Ditto.
11918
11919 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
11920
11921         * config/i386/i386.h (MASK_CLASS_P): New define.
11922         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
11923         there are no registers from different register sets also when
11924         mask registers are used.  Update function comment.
11925         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
11926         to (*k/*r) and (*k/*km) alternatives.
11927
11928 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
11929
11930         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
11931         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
11932         (EH_RETURN_HANDLER_RTX): New define.
11933         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
11934         Force frame pointer in EH return functions.
11935         (aarch64_expand_epilogue): Add barrier for eh_return.
11936         (aarch64_final_eh_return_addr): Remove.
11937         (aarch64_eh_return_handler_rtx): New function.
11938         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
11939         Remove.
11940         (aarch64_eh_return_handler_rtx): New prototype.
11941
11942 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11943
11944         * config/rs6000/altivec.h (vec_rlmi): New #define.
11945         (vec_vrlnm): Likewise.
11946         (vec_rlnm): Likewise.
11947         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
11948         (UNSPEC_VRLNM): Likewise.
11949         (VIlong): New mode iterator.
11950         (altivec_vrl<VI_char>mi): New define_insn.
11951         (altivec_vrl<VI_char>nm): Likewise.
11952         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
11953         function entry.
11954         (VRLDNM): Likewise.
11955         (RLNM): New polymorphic function entry.
11956         (VRLWMI): New monomorphic function entry.
11957         (VRLDMI): Likewise.
11958         (RLMI): New polymorphic function entry.
11959         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
11960         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
11961         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
11962         vec_vrlnm.
11963
11964 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
11965
11966         PR debug/78839
11967         * dwarf2out.c (field_byte_offset): Restore the
11968         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
11969         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
11970         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
11971         of build2 + fold.
11972
11973 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
11974
11975         PR ada/67205
11976         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
11977
11978 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
11979
11980         PR debug/71669
11981         * dwarf2out.c (add_data_member_location_attribute): For constant
11982         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
11983         instead of DW_AT_data_member_location, DW_AT_bit_offset and
11984         DW_AT_byte_size attributes.
11985
11986 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
11987
11988         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
11989         after forcing to constant memory when the code model is medium.
11990
11991 2017-01-17  Julia Koval  <julia.koval@intel.com>
11992
11993         PR target/76731
11994         * config/i386/avx512fintrin.h
11995         (_mm512_i32gather_ps): Change __addr type to void const*.
11996         (_mm512_mask_i32gather_ps): Ditto.
11997         (_mm512_i32gather_pd): Ditto.
11998         (_mm512_mask_i32gather_pd): Ditto.
11999         (_mm512_i64gather_ps): Ditto.
12000         (_mm512_mask_i64gather_ps): Ditto.
12001         (_mm512_i64gather_pd): Ditto.
12002         (_mm512_mask_i64gather_pd): Ditto.
12003         (_mm512_i32gather_epi32): Ditto.
12004         (_mm512_mask_i32gather_epi32): Ditto.
12005         (_mm512_i32gather_epi64): Ditto.
12006         (_mm512_mask_i32gather_epi64): Ditto.
12007         (_mm512_i64gather_epi32): Ditto.
12008         (_mm512_mask_i64gather_epi32): Ditto.
12009         (_mm512_i64gather_epi64): Ditto.
12010         (_mm512_mask_i64gather_epi64): Ditto.
12011         (_mm512_i32scatter_ps): Change __addr type to void*.
12012         (_mm512_mask_i32scatter_ps): Ditto.
12013         (_mm512_i32scatter_pd): Ditto.
12014         (_mm512_mask_i32scatter_pd): Ditto.
12015         (_mm512_i64scatter_ps): Ditto.
12016         (_mm512_mask_i64scatter_ps): Ditto.
12017         (_mm512_i64scatter_pd): Ditto.
12018         (_mm512_mask_i64scatter_pd): Ditto.
12019         (_mm512_i32scatter_epi32): Ditto.
12020         (_mm512_mask_i32scatter_epi32): Ditto.
12021         (_mm512_i32scatter_epi64): Ditto.
12022         (_mm512_mask_i32scatter_epi64): Ditto.
12023         (_mm512_i64scatter_epi32): Ditto.
12024         (_mm512_mask_i64scatter_epi32): Ditto.
12025         (_mm512_i64scatter_epi64): Ditto.
12026         (_mm512_mask_i64scatter_epi64): Ditto.
12027         * config/i386/avx512pfintrin.h
12028         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
12029         (_mm512_mask_prefetch_i32gather_ps): Ditto.
12030         (_mm512_mask_prefetch_i64gather_pd): Ditto.
12031         (_mm512_mask_prefetch_i64gather_ps): Ditto.
12032         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
12033         (_mm512_prefetch_i32scatter_ps): Ditto.
12034         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
12035         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
12036         (_mm512_prefetch_i64scatter_pd): Ditto.
12037         (_mm512_prefetch_i64scatter_ps): Ditto.
12038         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
12039         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
12040         * config/i386/avx512vlintrin.h
12041         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
12042         (_mm_mmask_i32gather_ps): Ditto.
12043         (_mm256_mmask_i32gather_pd): Ditto.
12044         (_mm_mmask_i32gather_pd): Ditto.
12045         (_mm256_mmask_i64gather_ps): Ditto.
12046         (_mm_mmask_i64gather_ps): Ditto.
12047         (_mm256_mmask_i64gather_pd): Ditto.
12048         (_mm_mmask_i64gather_pd): Ditto.
12049         (_mm256_mmask_i32gather_epi32): Ditto.
12050         (_mm_mmask_i32gather_epi32): Ditto.
12051         (_mm256_mmask_i32gather_epi64): Ditto.
12052         (_mm_mmask_i32gather_epi64): Ditto.
12053         (_mm256_mmask_i64gather_epi32): Ditto.
12054         (_mm_mmask_i64gather_epi32): Ditto.
12055         (_mm256_mmask_i64gather_epi64): Ditto.
12056         (_mm_mmask_i64gather_epi64): Ditto.
12057         (_mm256_i32scatter_ps): Change __addr type to void*.
12058         (_mm256_mask_i32scatter_ps): Ditto.
12059         (_mm_i32scatter_ps): Ditto.
12060         (_mm_mask_i32scatter_ps): Ditto.
12061         (_mm256_i32scatter_pd): Ditto.
12062         (_mm256_mask_i32scatter_pd): Ditto.
12063         (_mm_i32scatter_pd): Ditto.
12064         (_mm_mask_i32scatter_pd): Ditto.
12065         (_mm256_i64scatter_ps): Ditto.
12066         (_mm256_mask_i64scatter_ps): Ditto.
12067         (_mm_i64scatter_ps): Ditto.
12068         (_mm_mask_i64scatter_ps): Ditto.
12069         (_mm256_i64scatter_pd): Ditto.
12070         (_mm256_mask_i64scatter_pd): Ditto.
12071         (_mm_i64scatter_pd): Ditto.
12072         (_mm_mask_i64scatter_pd): Ditto.
12073         (_mm256_i32scatter_epi32): Ditto.
12074         (_mm256_mask_i32scatter_epi32): Ditto.
12075         (_mm_i32scatter_epi32): Ditto.
12076         (_mm_mask_i32scatter_epi32): Ditto.
12077         (_mm256_i32scatter_epi64): Ditto.
12078         (_mm256_mask_i32scatter_epi64): Ditto.
12079         (_mm_i32scatter_epi64): Ditto.
12080         (_mm_mask_i32scatter_epi64): Ditto.
12081         (_mm256_i64scatter_epi32): Ditto.
12082         (_mm256_mask_i64scatter_epi32): Ditto.
12083         (_mm_i64scatter_epi32): Ditto.
12084         (_mm_mask_i64scatter_epi32): Ditto.
12085         (_mm256_i64scatter_epi64): Ditto.
12086         (_mm256_mask_i64scatter_epi64): Ditto.
12087         (_mm_i64scatter_epi64): Ditto.
12088         (_mm_mask_i64scatter_epi64): Ditto.
12089         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
12090         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
12091         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
12092         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
12093         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
12094         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
12095         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
12096         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
12097         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
12098         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
12099         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
12100         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
12101         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
12102         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
12103         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
12104         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
12105         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
12106         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
12107         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
12108         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
12109         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
12110         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
12111         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
12112         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
12113         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
12114         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
12115         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
12116         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
12117         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
12118         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
12119         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
12120         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
12121         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
12122         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
12123         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
12124         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
12125         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
12126         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
12127         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
12128         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
12129         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
12130         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
12131         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
12132         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
12133         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
12134         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
12135         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
12136         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
12137         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
12138         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
12139         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
12140         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
12141         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
12142         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
12143         definitions accordingly.
12144
12145 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
12146             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
12147
12148         PR target/79079
12149         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
12150         gen_lowpart.
12151
12152 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
12153
12154         PR target/79058
12155         * ira-conflicts.c (ira_build_conflicts): Update total conflict
12156         hard regs for inner regno.
12157
12158 2017-01-17  Martin Liska  <mliska@suse.cz>
12159
12160         PR ipa/71207
12161         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
12162         assumption and add comment.
12163
12164 2017-01-17  Nathan Sidwell  <nathan@acm.org>
12165
12166         * ipa-visibility.c (localize_node): New function, broken out of ...
12167         (function_and_variable_visibility): ... here. Call it.
12168
12169 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
12170
12171         PR middle-end/77445
12172         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
12173         correctly set frequency of oudgoing edge.
12174         (duplicate_thread_path): Fix profile updating.
12175
12176 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
12177
12178         PR other/79046
12179         * configure.ac: Add GCC_BASE_VER.
12180         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
12181         version from BASE-VER file.
12182         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
12183         (gcc.o): Depend on $(BASEVER).
12184         * common.opt (dumpfullversion): New option.
12185         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
12186         * doc/invoke.texi: Document -dumpfullversion.
12187         * doc/install.texi: Document --with-gcc-major-version-only.
12188         * configure: Regenerated.
12189
12190 2017-01-17  Richard Biener  <rguenther@suse.de>
12191
12192         PR tree-optimization/71433
12193         * tree-vrp.c (register_new_assert_for): Merge same asserts
12194         on all incoming edges.
12195         (process_assert_insertions_for): Handle insertions at the
12196         beginning of BBs.
12197
12198 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
12199
12200         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
12201         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
12202
12203 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
12204
12205         PR target/78633
12206         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
12207         RTL sharing.
12208
12209 2017-01-17  Alan Modra  <amodra@gmail.com>
12210
12211         PR target/79066
12212         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
12213         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
12214         symbolic stack limit when pic.
12215
12216 2017-01-16  Martin Sebor  <msebor@redhat.com>
12217
12218         PR tree-optimization/78608
12219         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
12220
12221 2017-01-16  Jeff Law  <law@redhat.com>
12222
12223         Revert:
12224         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
12225         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
12226         for several include directories that may be relative to sysroot.
12227         * config/i386/x-mingw32 (gplus_includedir): Define.
12228         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
12229         (native_system_includedir): Likewise.
12230         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
12231         override if TARGET_SYSTEM_ROOT is defined.
12232         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
12233
12234         PR tree-optimization/79090
12235         PR tree-optimization/33562
12236         PR tree-optimization/61912
12237         PR tree-optimization/77485
12238         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
12239         and computed trims into the dump file.
12240
12241 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
12242
12243         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
12244
12245 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
12246
12247         PR c/79089
12248         * gimplify.c (gimplify_init_constructor): If want_value and
12249         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
12250         fix.
12251
12252         PR target/79080
12253         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
12254         sequence.  Formatting fixes.
12255         (doloop_optimize): Formatting fixes.
12256
12257         PR driver/49726
12258         * gcc.c (debug_level_greater_than_spec_func): New function.
12259         (static_spec_functions): Add debug-level-gt spec function.
12260         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
12261         !g0.
12262         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
12263         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
12264         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
12265         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
12266         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
12267         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
12268
12269 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
12270
12271         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
12272         QImode fixups to general and mask registers only.
12273
12274 2017-01-16  Carl Love  <cel@us.ibm.com>
12275
12276         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
12277         for built-in functions
12278         vector signed char vec_nabs (vector signed char)
12279         vector signed short vec_nabs (vector signed short)
12280         vector signed int vec_nabs (vector signed int)
12281         vector signed long long vec_nabs (vector signed long long)
12282         vector float vec_nabs (vector float)
12283         vector double vec_nabs (vector double)
12284         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
12285         and NABS overload.
12286         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
12287         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
12288         * doc/extend.texi: Update the documentation file for the new built-in
12289         functions.
12290
12291 2017-01-16  Martin Sebor  <msebor@redhat.com>
12292
12293         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
12294         message.
12295
12296 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12297
12298         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
12299         UNSPEC_VSX__XXSPLTD to require special splat handling.
12300
12301 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
12302
12303         PR bootstrap/78616
12304         * system.h: Poison strndup.
12305
12306 2017-01-16  Alan Modra  <amodra@gmail.com>
12307
12308         PR target/79098
12309         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
12310         use a switch.
12311
12312 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
12313
12314         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
12315
12316 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
12317
12318         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
12319         call recog here.  Assert that INSN_CODE (insn) is non-negative.
12320
12321 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
12322
12323         PR target/72749
12324         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
12325         fallthrough.
12326         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
12327         in the currently scheduled RTL fragment.
12328
12329 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
12330
12331         PR rtl-optimization/78751
12332         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
12333         give up.
12334
12335 2017-01-14  Jeff Law  <law@redhat.com>
12336
12337         PR tree-optimization/79090
12338         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
12339         variable length stores.
12340         (compute_trims): Delete dead assignment to *trim_tail.
12341         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
12342         zero length.
12343
12344 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
12345
12346         PR rtl-optimization/78626
12347         PR rtl-optimization/78727
12348         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
12349         of a block, and split such blocks after everything else is finished.
12350
12351 2017-01-14  Alan Modra  <amodra@gmail.com>
12352
12353         PR target/72749
12354         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
12355         target legitimate_combined_insn.
12356         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
12357         (rs6000_legitimate_combined_insn): New function.
12358         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
12359         all uses.
12360         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
12361         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
12362         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
12363
12364 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
12365
12366         * doc/frontends.texi (G++ and GCC): Remove references to Java.
12367
12368 2017-01-13  Jeff Law  <law@redhat.com>
12369
12370         PR tree-optimization/33562
12371         PR tree-optimization/61912
12372         PR tree-optimization/77485
12373         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
12374         a statement.
12375         (delete_dead_assignment): Likewise.
12376         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
12377         statement to delete_dead_call and delete_dead_assignment.
12378
12379 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
12380
12381         PR c/78304
12382         * substring-locations.c (format_warning_va): Strengthen case 1 so
12383         that both endpoints of the substring must be within the format
12384         range for just the substring to be printed.
12385
12386 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
12387
12388         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
12389         * config/i386/i386.c (ix86_target_string): Add missing options
12390         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
12391         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
12392         flags_other and ix86_target_other to flags2_other.  Display unknown
12393         isa2 options.
12394         (ix86_valid_target_attribute_inner_p): Add missing options and
12395         reorder options by implied ISAs, as in ix86_target_string.
12396
12397 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
12398
12399         * hash-table.h (hash_table::too_empty_p): New function.
12400         (hash_table::expand): Use it.
12401         (hash_table::traverse): Likewise.
12402         (hash_table::empty_slot): Use sizeof (value_type) instead of
12403         sizeof (PTR) to convert bytes to elements.  Shrink the table
12404         if the current size is excessive for the current number of
12405         elements.
12406
12407 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
12408
12409         * ira-costs.c (record_reg_classes): Break from the inner loop
12410         early once alt_fail is known to be true.  Update outer loop
12411         handling accordingly.
12412
12413 2017-01-13  Jeff Law  <law@redhat.com>
12414
12415         * tree-ssa-dse.c (decrement_count): New function.
12416         (increment_start_addr, maybe_trim_memstar_call): Likewise.
12417         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
12418         when we know the partially dead statement is a mem* function.
12419
12420         PR tree-optimization/61912
12421         PR tree-optimization/77485
12422         * tree-ssa-dse.c: Include expr.h.
12423         (maybe_trim_constructor_store): New function.
12424         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
12425
12426         PR tree-optimization/33562
12427         PR tree-optimization/61912
12428         PR tree-optimization/77485
12429         * doc/invoke.texi: Document new dse-max-object-size param.
12430         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
12431         * tree-ssa-dse.c: Include params.h.
12432         (dse_store_status): New enum.
12433         (initialize_ao_ref_for_dse): New, partially extracted from
12434         dse_optimize_stmt.
12435         (valid_ao_ref_for_dse, normalize_ref): New.
12436         (setup_live_bytes_from_ref, compute_trims): Likewise.
12437         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
12438         (maybe_trim_partially_dead_store): Likewise.
12439         (maybe_trim_complex_store): Likewise.
12440         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
12441         Track what bytes live from the original store.  Return tri-state
12442         for dead, partially dead or live.
12443         (dse_dom_walker): Add constructor, destructor and new private members.
12444         (delete_dead_call, delete_dead_assignment): New extracted from
12445         dse_optimize_stmt.
12446         (dse_optimize_stmt): Make a member of dse_dom_walker.
12447         Use initialize_ao_ref_for_dse.
12448
12449         PR tree-optimization/33562
12450         PR tree-optimization/61912
12451         PR tree-optimization/77485
12452         * sbitmap.h (bitmap_count_bits): Prototype.
12453         (bitmap_clear_range, bitmap_set_range): Likewise.
12454         * sbitmap.c (bitmap_clear_range): New function.
12455         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
12456
12457 2017-01-13  Martin Liska  <mliska@suse.cz>
12458
12459         PR ipa/79043
12460         * function.c (set_cfun): Add new argument force.
12461         * function.h (set_cfun): Likewise.
12462         * ipa-inline-transform.c (inline_call): Use the function when
12463         strict alising from is dropped for function we inline to.
12464
12465 2017-01-13  Richard Biener  <rguenther@suse.de>
12466
12467         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
12468         for dumping GIMPLE INTEGER_CSTs.
12469
12470 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12471
12472         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
12473         to 201112L since C++17.
12474
12475 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
12476
12477         PR sanitizer/78887
12478         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
12479         if -fsanitize=kernel-address is present.
12480
12481 2017-01-13  Richard Biener  <rguenther@suse.de>
12482
12483         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
12484         as _Literal ( type ) number in case usual suffixes do not
12485         preserve all information.
12486
12487 2017-01-13  Richard Biener  <rguenther@suse.de>
12488
12489         PR tree-optimization/77283
12490         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
12491         and ssa-iterators.h.
12492         (is_feasible_trace): Implement a cost model based on joiner
12493         PHI node uses.
12494
12495 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
12496
12497         PR target/79004
12498         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
12499         char or short to __float128/_Float128 directly.
12500
12501 2017-01-12  Martin Sebor  <msebor@redhat.com>
12502
12503         to -Wformat-overflow.
12504         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
12505         (min_bytes_remaining): Same.
12506         (get_string_length): Same.
12507         (format_string): Same.
12508         (format_directive): Same.
12509         (add_bytes): Same.
12510         (pass_sprintf_length::handle_gimple_call): Same.
12511
12512 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
12513
12514         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
12515         info.nowrite calls with no lhs that can't throw.  Return bool
12516         whether gsi_remove has been called or not.
12517         (pass_sprintf_length::handle_gimple_call): Return bool whether
12518         try_substitute_return_value called gsi_remove.  Formatting fix.
12519         (pass_sprintf_length::execute): Don't use gsi_remove if
12520         handle_gimple_call returned true.
12521
12522         PR bootstrap/79069
12523         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
12524         be removed due to side-effects, don't remove following barrier nor
12525         turn the successor edge into fallthru edge.
12526
12527 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12528
12529         PR target/79044
12530         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
12531         element-reversing loads and stores as not swappable.
12532
12533 2017-01-12  Nathan Sidwell  <nathan@acm.org>
12534             Nicolai Stange  <nicstange@gmail.com>
12535
12536         * combine.c (try_combine): Don't ignore result of overlap checking
12537         loop.  Combine overlap & asm check into single loop.
12538
12539 2017-01-12  Richard Biener  <rguenther@suse.de>
12540
12541         * tree-pretty-print.c (dump_generic_node): Provide -gimple
12542         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
12543
12544 2017-01-12  Richard Biener  <rguenther@suse.de>
12545
12546         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
12547         and TS_TARGET_OPTION directly derive from TS_BASE.
12548         * tree-core.h (tree_optimization_option): Derive from tree_base.
12549         (tree_target_option): Likewise.
12550
12551 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
12552
12553         * config/i386/i386.c (memory_address_length): Increase len
12554         only when rip_relative_addr_p returns false.
12555
12556 2017-01-11  Julia Koval  <julia.koval@intel.com>
12557
12558         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
12559         (OPTION_MASK_ISA_SGX_SET): New.
12560         (ix86_handle_option): Handle OPT_msgx.
12561         * config.gcc: Added sgxintrin.h.
12562         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
12563         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
12564         * config/i386/i386.c (ix86_target_string): Add -msgx.
12565         (PTA_SGX): New.
12566         (ix86_option_override_internal): Handle new options.
12567         (ix86_valid_target_attribute_inner_p): Add sgx.
12568         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
12569         * config/i386/i386.opt: Add msgx.
12570         * config/i386/sgxintrin.h: New file.
12571         * config/i386/x86intrin.h: Add sgxintrin.h.
12572
12573 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
12574
12575         PR c++/71537
12576         * fold-const.c (maybe_nonzero_address): Return 1 for function
12577         local objects.
12578         (tree_single_nonzero_warnv_p): Don't handle function local objects
12579         here.
12580
12581         PR c++/72813
12582         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
12583         of c-header.
12584
12585 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
12586
12587         PR driver/78877
12588         * opts.c: Include "spellcheck.h"
12589         (struct string_fragment): New struct.
12590         (struct edit_distance_traits<const string_fragment &>): New
12591         struct.
12592         (get_closest_sanitizer_option): New function.
12593         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
12594
12595 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
12596
12597         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
12598         by 12.
12599         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
12600         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
12601         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
12602         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
12603         for initial die_offset if dwarf_split_debug_info.
12604         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
12605         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
12606         fields.
12607         (output_skeleton_debug_sections): Formatting fix.  Use
12608         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
12609         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
12610
12611 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
12612
12613         * config/arm/cortex-a53.md: Add bypasses for
12614         cortex_a53_r2f_cvt.
12615         (cortex_a53_r2f): Only use for transfers.
12616         (cortex_a53_f2r): Likewise.
12617         (cortex_a53_r2f_cvt): Add reservation for conversions.
12618         (cortex_a53_f2r_cvt): Likewise.
12619
12620 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
12621
12622         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
12623         to all inlined functions, change static to extern.
12624
12625 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
12626
12627         PR target/78253
12628         * config/arm/arm.c (legitimize_pic_address): Handle reference to
12629         weak symbol.
12630         (arm_assemble_integer): Likewise.
12631
12632 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
12633
12634         * config.gcc: Use new awk script to check CPU, FPU and architecture
12635         parameters for --with-... options.
12636         * config/arm/parsecpu.awk: New file
12637         * config/arm/arm-cpus.in: New file.
12638         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
12639         files.
12640         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
12641         files.
12642         * config/arm/t-arm: Update dependency rules.
12643         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
12644         of processing .def files.
12645         * config/arm/genopt.sh: Deleted.
12646         * config/arm/gentune.sh: Deleted.
12647         * config/arm/arm-cores.def: Deleted.
12648         * config/arm/arm-arches.def: Deleted.
12649         * config/arm/arm-fpus.def: Deleted.
12650         * config/arm/arm-tune.md: Regenerated.
12651         * config/arm/arm-tables.opt: Regenerated.
12652         * config/arm/arm-cpu.h: New generated file.
12653         * config/arm/arm-cpu-data.h: New generated file.
12654         * config/arm/arm-cpu-cdata.h: New generated file.
12655
12656 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
12657
12658         PR lto/79042
12659         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
12660         bit.
12661         (input_varpool_node): Unpack dynamically_initialized bit.
12662
12663 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
12664
12665         PR rtl-optimization/79032
12666         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
12667         the alignment of the adjusted memory reference against that of MODE,
12668         instead of the alignment of the original memory reference.
12669
12670 2017-01-11  Martin Jambor  <mjambor@suse.cz>
12671
12672         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
12673         test.
12674         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
12675         decorated functions.
12676
12677 2017-01-11  Richard Biener  <rguenther@suse.de>
12678
12679         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
12680         set range/nonnull info for PHI results.  Do not set it on
12681         stmts marked for removal.
12682
12683 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
12684
12685         * expr.c (store_field): In the bitfield case, fetch the return value
12686         from the registers before applying a single big-endian adjustment.
12687         Always do a final load for a BLKmode value not larger than a word.
12688
12689 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
12690
12691         PR c++/77949
12692         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
12693         that we correctly handle column numbers greater than
12694         LINE_MAP_MAX_COLUMN_NUMBER.
12695
12696 2017-01-10  Martin Sebor  <msebor@redhat.com>
12697
12698         PR middle-end/78245
12699         * gimple-ssa-sprintf.c (get_destination_size): Call
12700         {init,fini}object_sizes.
12701         * tree-object-size.c (addr_object_size): Adjust.
12702         (pass_through_call): Adjust.
12703         (pass_object_sizes::execute): Adjust.
12704         * tree-object-size.h (fini_object_sizes): Declare.
12705
12706 2017-01-10  Martin Sebor  <msebor@redhat.com>
12707
12708         PR tree-optimization/78775
12709         * builtins.c (get_size_range): Move...
12710         * calls.c: ...to here.
12711         (alloc_max_size): Accept zero argument.
12712         (operand_signed_p): Remove.
12713         (maybe_warn_alloc_args_overflow): Call get_size_range.
12714         * calls.h (get_size_range): Declare.
12715
12716 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
12717
12718         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
12719         from TI's devices.csv file as of September 2016.
12720         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
12721
12722 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
12723
12724         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
12725         * doc/invoke.texi: Likewise.
12726         * doc/md.texi: Likewise.
12727         * doc/objc.texi: Likewise.
12728
12729 2017-01-10  Joshua Conner  <joshconner@google.com>
12730
12731         * config/arm/fuchsia-elf.h: New file.
12732         * config/fuchsia.h: New file.
12733         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
12734         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
12735         targets.
12736         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
12737
12738 2016-01-10  Richard Biener  <rguenther@suse.de>
12739
12740         PR tree-optimization/79034
12741         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
12742         Propagate out degenerate PHIs in the joiner.
12743
12744 2017-01-10  Martin Liska  <mliska@suse.cz>
12745
12746         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
12747         (sort_congruence_classes_by_decl_uid): Likewise.
12748         (sort_congruence_class_groups_by_decl_uid): Likewise.
12749         (sem_item_optimizer::merge_classes): Sort class, groups in these
12750         classes and members in the groups by DECL_UID of declarations.
12751         This would make merge operations stable.
12752
12753 2017-01-10  Martin Liska  <mliska@suse.cz>
12754
12755         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
12756         usage of m_classes_vec.
12757         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
12758         (sem_item_optimizer::get_group_by_hash): Likewise.
12759         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
12760         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
12761         (sem_item_optimizer::verify_classes): Likewise.
12762         (sem_item_optimizer::process_cong_reduction): Likewise.
12763         (sem_item_optimizer::dump_cong_classes): Likewise.
12764         (sem_item_optimizer::merge_classes): Likewise.
12765         * ipa-icf.h (congruence_class_hash): Rename from
12766         congruence_class_group_hash.  Remove declaration of m_classes_vec.
12767
12768 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
12769
12770         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
12771         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
12772         * config.gcc: Add avx512vpopcntdqintrin.h.
12773         * config/i386/avx512vpopcntdqintrin.h: New.
12774         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
12775         * config/i386/i386-builtin-types.def: Add new types.
12776         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
12777         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
12778         __builtin_ia32_vpopcountq_v8di_mask): New.
12779         * config/i386/i386-c.c (ix86_target_macros_internal): Define
12780         __AVX512VPOPCNTDQ__.
12781         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
12782         (PTA_AVX512VPOPCNTDQ): Define.
12783         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
12784         TARGET_AVX512VPOPCNTDQ_P): Define.
12785         * config/i386/i386.opt: Add mavx512vpopcntdq.
12786         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
12787         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
12788
12789 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
12790
12791         PR middle-end/77484
12792         * predict.def (PRED_CALL): Set to 67.
12793
12794 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
12795
12796         * expr.c (store_field): In the bitfield case, if the value comes from
12797         a function call and is of an aggregate type returned in registers, do
12798         not modify the field mode; extract the value in all cases if the mode
12799         is BLKmode and the size is not larger than a word.
12800
12801 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
12802
12803         PR target/71017
12804         * config/i386/cpuid.h: Fix undefined behavior.
12805
12806 2017-01-04  Jeff Law  <law@redhat.com>
12807
12808         PR tree-optimization/79007
12809         PR tree-optimization/67955
12810         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
12811         conservative for pt.null when flag_non_call_exceptions is on.
12812
12813 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
12814
12815         PR translation/79019
12816         PR translation/79020
12817         * params.def (PARAM_INLINE_MIN_SPEEDUP,
12818         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
12819         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
12820         in descriptions.
12821         * config/avr/avr.opt (maccumulate-args): Likewise.
12822         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
12823         * common.opt (freport-bug): Likewise.
12824         * cif-code.def (CIF_FINAL_ERROR): Likewise.
12825         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
12826         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
12827         translatable string.
12828         * config/i386/i386.c (function_value_32): Likewise.
12829         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
12830         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
12831         Likewise.
12832         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
12833         * common/config/msp430/msp430-common.c (msp430_handle_option):
12834         Likewise.
12835         * symtab.c (symtab_node::verify_base): Likewise.
12836         * opts.c (set_debug_level): Likewise.
12837         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
12838         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
12839         missing whitespace to translatable strings.
12840         * config/avr/avr.md (bswapsi2): Fix typo in comment.
12841         * config/sh/superh.h: Likewise.
12842         * config/i386/xopintrin.h: Likewise.
12843         * config/i386/znver1.md: Likewise.
12844         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
12845         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
12846         * double-int.h (struct double_int): Likewise.
12847         * double-int.c (div_and_round_double): Likewise.
12848         * wide-int.cc: Likewise.
12849         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
12850         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
12851         * cfgcleanup.c (crossjumps_occured): Renamed to ...
12852         (crossjumps_occurred): ... this.
12853         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
12854         Adjust all uses.
12855
12856         PR tree-optimization/78899
12857         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
12858         returning bool return struct loop *, NULL for failure and the new
12859         loop on success.
12860         (versionable_outer_loop_p): Don't version outer loop if it has
12861         dont_vectorized bit set.
12862         (tree_if_conversion): When versioning outer loop, ensure
12863         tree_if_conversion is performed also on the inner loop of the
12864         non-vectorizable outer loop copy.
12865         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
12866         LOOP_VECTORIZED in inner loop of the scalar outer loop and
12867         prevent vectorization of it.
12868         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
12869         the outer loop vectorization of the non-scalar version is attempted
12870         before vectorization of the inner loop in scalar version.  If
12871         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
12872         vectorization of its inner loop.
12873         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
12874         has 2 inner loops, rename also on edges from bb whose single pred
12875         is outer_loop->header.  Fix typo in function comment.
12876
12877 2017-01-09  Martin Sebor  <msebor@redhat.com>
12878
12879         PR bootstrap/79033
12880         * asan.c (asan_emit_stack_protection): Increase local buffer size
12881         to avoid snprintf truncation warning.
12882
12883 2017-01-09  Andrew Pinski  <apinski@cavium.com>
12884
12885         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
12886         to reference thunderx2t99 for the tuning structure
12887         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
12888         Rename to ...
12889         (thunderx2t99_extra_costs): This.
12890         * config/aarch64/aarch64-tune.md: Regenerate.
12891         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
12892         (vulcan_addrcost_table): This.
12893         (vulcan_regmove_cost): Rename to ...
12894         (thunderx2t99_regmove_cost): This.
12895         (vulcan_vector_cost): Rename to ...
12896         (thunderx2t99_vector_cost): this.
12897         (vulcan_branch_cost): Rename to ...
12898         (thunderx2t99_branch_cost): This.
12899         (vulcan_tunings): Rename to ...
12900         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
12901         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
12902
12903 2017-01-09  Martin Jambor  <mjambor@suse.cz>
12904
12905         PR ipa/78365
12906         PR ipa/78599
12907         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
12908         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
12909         (propagate_vr_accross_jump_function): Use the above function for all
12910         value range computations for pass-through jump functions and type
12911         converasion from explicit value range values.
12912         (ipcp_propagate_stage): Do not attempt to deduce types of formal
12913         parameters from TYPE_ARG_TYPES.
12914         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
12915         (ipa_write_node_info): Stream type of the actual argument.
12916         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
12917
12918 2017-01-09  Martin Liska  <mliska@suse.cz>
12919
12920         PR pch/78970
12921         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
12922         (lookup_compiler): Do not show error message with have_E.
12923
12924 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
12925
12926         PR tree-optimization/78938
12927         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
12928         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
12929         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
12930         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
12931         fixes.
12932
12933 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12934
12935         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
12936         is const0_rtx.
12937
12938 2017-01-09  Richard Biener  <rguenther@suse.de>
12939
12940         PR tree-optimization/78997
12941         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
12942         name condition properly.
12943
12944 2017-01-09  Richard Biener  <rguenther@suse.de>
12945
12946         PR debug/79000
12947         * dwarf2out.c (is_cxx): New overload with context.
12948         (is_naming_typedef_decl): Use it.
12949
12950 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
12951
12952         * invoke.texi (Option Summary): Correct spacing in option lists
12953         and add line breaks to fix over-long lines.
12954
12955 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
12956
12957         PR middle-end/17660
12958
12959         * extend.texi (Common Variable Attributes): Add xref to GCC
12960         Internals manual to explain mode attribute keywords.
12961
12962 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
12963
12964         PR other/16519
12965         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
12966         and Preprocessor Options.
12967         (Options for Linking): Document -pthread here....
12968         (RS/6000 and PowerPC Options): ...not here.
12969         (Solaris 2 Options): ...or here.
12970         * doc/cppopts.texi: Document -pthread.
12971
12972 2017-01-08  Martin Sebor  <msebor@redhat.com>
12973
12974         PR middle-end/77708
12975         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
12976         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
12977         New member functions.
12978         (format_directive): Used them.
12979         (add_bytes): Same.
12980         (pass_sprintf_length::handle_gimple_call): Same.
12981         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
12982         to avoid truncation for any argument.
12983         (extract_affine_mul): Same.
12984         * tree.c (get_file_function_name): Same.
12985
12986 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
12987
12988         PR middle-end/77484
12989         * predict.def (PRED_INDIR_CALL): Set to 86.
12990
12991 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
12992
12993         PR preprocessor/54124
12994         * doc/cppopts.texi: Reformat -d subtable to list the full name
12995         of the options.  Add cross-reference to the docs for the general
12996         compiler -d options.
12997         * doc/invoke.texi (Developer Options): Add cross-reference to the
12998         preprocessor-specific -d option documentation.
12999
13000 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
13001
13002         PR preprocessor/13498
13003         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
13004         redudant material, and reflect new command-line options.
13005         (System Headers): Likewise.
13006
13007 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
13008
13009         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
13010         -isystem, and -idirafter.  Copy-edit.
13011         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
13012         default for -ftrack-macro-expansion.  Delete obsolete and
13013         badly-formatted implementation details about -fdebug-cpp output.
13014         * doc/cppwarnopts.texi: Copy-edit.
13015
13016 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
13017
13018         PR c++/72803
13019         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
13020         that the transition from a max line width >= 1<<10 to narrower
13021         lines works correctly.
13022
13023 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
13024
13025         * doc/options.texi (PerFunction): New.
13026         * opt-functions.awk (switch_flags): Map both Optimization and
13027         PerFunction to CL_OPTIMIZATION.
13028         * opth-gen.awk: Test for PerFunction flag along with
13029         Optimization.
13030         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
13031         it only when the latter is present.  Skip those that don't in
13032         the hash function generator.
13033         * common.opt (fvar-tracking): Mark as PerFunction instead of
13034         Optimization.
13035         (fvar-tracking-assignments): Likewise.
13036         (fvar-tracking-assignments-toggle): Likewise.
13037         (fvar-tracking-uninit): Likewise.
13038
13039 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
13040
13041         PR translation/79018
13042         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
13043         the and store.
13044
13045 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
13046
13047         PR target/57583
13048         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
13049         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
13050         TARGET_LONG_JUMP_TABLE_OFFSETS.
13051         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
13052         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
13053         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
13054         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
13055         * config/m68k/m68k.md (tablejump expander): Likewise.
13056         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
13057         TARGET_LONG_JUMP_TABLE_OFFSETS.
13058         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
13059         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
13060
13061 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
13062             David Holsgrove <david.holsgrove@xilinx.com>
13063
13064         * common/config/microblaze/microblaze-common.c
13065         (TARGET_EXCEPT_UNWIND_INFO): Remove.
13066         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
13067         New prototype.
13068         * config/microblaze/microblaze.c (microblaze_must_save_register)
13069         (microblaze_expand_epilogue, microblaze_return_addr): Handle
13070         calls_eh_return.
13071         (microblaze_eh_return): New function.
13072         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
13073         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
13074         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
13075         * config/microblaze/microblaze.md (eh_return): New pattern.
13076
13077 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
13078
13079         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
13080         GCC_DIAGNOSTIC_STRINGIFY): Define.
13081
13082         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
13083
13084 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13085
13086         * config/arm/arm.md (<mcrr>): New.
13087         (<mrrc>): New.
13088         * config/arm/arm.c (arm_arch5te): New.
13089         (arm_option_override): Set arm_arch5te.
13090         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
13091         and mrrc2.
13092         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
13093         (arm_mcrr_qualifiers): ... this. New.
13094         (MRRC_QUALIFIERS): Define to...
13095         (arm_mrrc_qualifiers): ... this. New.
13096         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
13097         __arm_mrrc2): New.
13098         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
13099         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
13100         (MRRCI, mrrc, MRRC): New.
13101         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
13102         VUNSPEC_MRRC2): New.
13103
13104 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13105
13106         * config/arm/arm.md (<mcr>): New.
13107         (<mrc>): New.
13108         * config/arm/arm.c (arm_coproc_builtin_available): Add
13109         support for mcr, mrc, mcr2 and mrc2.
13110         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
13111         (arm_mcr_qualifiers): ... this. New.
13112         (MRC_QUALIFIERS): Define to ...
13113         (arm_mrc_qualifiers): ... this. New.
13114         (MCR_QUALIFIERS): Define to ...
13115         (arm_mcr_qualifiers): ... this. New.
13116         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
13117         __arm_mrc2): New.
13118         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
13119         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
13120         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
13121         VUNSPEC_MRC2): New.
13122
13123 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13124
13125         * config/arm/arm.md (*ldc): New.
13126         (*stc): New.
13127         (<ldc>): New.
13128         (<stc>): New.
13129         * config/arm/arm.c (arm_coproc_builtin_available): Add
13130         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
13131         (arm_coproc_ldc_stc_legitimate_address): New.
13132         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
13133         'qualifier_const_pointer'.
13134         (LDC_QUALIFIERS): Define to...
13135         (arm_ldc_qualifiers): ... this. New.
13136         (STC_QUALIFIERS): Define to...
13137         (arm_stc_qualifiers): ... this. New.
13138         * config/arm/arm-protos.h
13139         (arm_coproc_ldc_stc_legitimate_address): New.
13140         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
13141         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
13142         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
13143         stc2, stcl, stc2l): New.
13144         * config/arm/constraints.md (Uz): New.
13145         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
13146         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
13147         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
13148         VUNSPEC_STC2L): New.
13149
13150 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13151
13152         * config/arm/arm.md (<cdp>): New.
13153         * config/arm/arm.c (neon_const_bounds): Rename this ...
13154         (arm_const_bounds): ... this.
13155         (arm_coproc_builtin_available): New.
13156         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
13157         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
13158         (CDP_QUALIFIERS): Define to...
13159         (arm_cdp_qualifiers): ... this. New.
13160         (void_UP): Define.
13161         (arm_expand_builtin_args): Add case for 6 arguments.
13162         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
13163         (arm_const_bounds): ... this.
13164         (arm_coproc_builtin_available): New.
13165         * config/arm/arm_acle.h (__arm_cdp): New.
13166         (__arm_cdp2): New.
13167         * config/arm/arm_acle_builtins.def (cdp): New.
13168         (cdp2): New.
13169         * config/arm/iterators.md (CDPI,CDP,cdp): New.
13170         * config/arm/neon.md: Rename all 'neon_const_bounds' to
13171         'arm_const_bounds'.
13172         * config/arm/types.md (coproc): New.
13173         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
13174         * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
13175         * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
13176         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
13177
13178 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13179
13180         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
13181         (UBINOP_QUALIFIERS): New.
13182         (si_UP): Define.
13183         (acle_builtin_data): New. Change comment.
13184         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
13185         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
13186         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
13187         arm_acle_builtins.def.
13188         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
13189         (arm_init_acle_builtins): New.
13190         (CRC32_BUILTIN): Remove.
13191         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
13192         crc32cb, crc32ch and crc32cw.
13193         (arm_init_crc32_builtins): Remove.
13194         (arm_init_builtins): Use arm_init_acle_builtins rather
13195         than arm_init_crc32_builtins.
13196         (arm_expand_acle_builtin): New.
13197         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
13198         * config/arm/arm_acle_builtins.def: New.
13199
13200 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13201
13202         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
13203         (arm_builtin_datum): ... this.
13204         (arm_init_neon_builtin): Rename to ...
13205         (arm_init_builtin): ... this. Add a new parameters PREFIX
13206         and USE_SIG_IN_NAME.
13207         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
13208         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
13209         'arm_builtin_datum'.
13210         (arm_init_vfp_builtins): Likewise.
13211         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
13212         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
13213         (arm_expand_neon_args): Rename to ...
13214         (arm_expand_builtin_args): ... this. Rename builtin_arg
13215         enum values and differentiate between ARG_BUILTIN_MEMORY
13216         and ARG_BUILTIN_NEON_MEMORY.
13217         (arm_expand_neon_builtin_1): Rename to ...
13218         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
13219         values, arm_expand_builtin_args and add bool parameter NEON.
13220         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
13221         (arm_expand_vfp_builtin): Likewise.
13222         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
13223
13224 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
13225
13226         PR middle-end/77484
13227         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
13228         * predict.c (tree_estimate_probability_bb): Reverse direction of
13229         polymorphic call predictor.
13230
13231 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
13232
13233         * passes.c (execute_one_pass): Split out pass-skipping logic into...
13234         (determine_pass_name_match): ...this new function and...
13235         (should_skip_pass_p): ...this new function.
13236
13237 2017-01-06  Nathan Sidwell  <nathan@acm.org>
13238
13239         * ipa-visibility.c (function_and_variable_visibility): Reformat
13240         comments and long lines.  Remove extrneous if.
13241         * symtab.c (symtab_node::make_decl_local): Fix code format.
13242         (symtab_node::set_section_for_node): Fix comment typo.
13243
13244 2017-01-06  Martin Liska  <mliska@suse.cz>
13245
13246         PR bootstrap/79003
13247         * lra-constraints.c: Rename invariant to lra_invariant.
13248         * predict.c (set_even_probabilities): Initialize e to NULL.
13249
13250 2017-01-05  Martin Sebor  <msebor@redhat.com>
13251
13252         PR tree-optimization/78910
13253         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
13254         (format_integer): Correct off-by-one error in the handling
13255         of precision with negative numbers in signed conversions..
13256
13257 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
13258
13259         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
13260
13261 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
13262
13263         PR tree-optimization/71016
13264         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
13265         factor_out_conditional_conversion.  Formatting fix.
13266         (factor_out_conditional_conversion): Add cond_stmt argument.
13267         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
13268         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
13269         Formatting fix.
13270
13271 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
13272
13273         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
13274         read-rtl-function.o, and selftest-rtl.o.
13275         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
13276         (selftest::aarch64_test_loading_full_dump): New function.
13277         (selftest::aarch64_run_selftests): New function.
13278         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
13279         selftest::aarch64_run_selftests.
13280         * config/i386/i386.c
13281         (selftest::ix86_test_loading_dump_fragment_1): New function.
13282         (selftest::ix86_test_loading_call_insn): New function.
13283         (selftest::ix86_test_loading_full_dump): New function.
13284         (selftest::ix86_test_loading_unspec): New function.
13285         (selftest::ix86_run_selftests): Call the new functions.
13286         * emit-rtl.c (maybe_set_max_label_num): New function.
13287         * emit-rtl.h (maybe_set_max_label_num): New decl.
13288         * function.c (instantiate_decls): Guard call to
13289         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
13290         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
13291         "static".
13292         * gensupport.c (gen_reader::gen_reader): Pass "false"
13293         for new "compact" param of rtx_reader.
13294         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
13295         rather than an empty string for NULL strings.
13296         * read-md.c: Potentially include config.h rather than bconfig.h.
13297         Wrap include of errors.h with #ifdef GENERATOR_FILE.
13298         (have_error): New global, copied from errors.c.
13299         (md_reader::read_name): Rename to...
13300         (md_reader::read_name_1): ...this, adding "out_loc" param,
13301         and converting "missing name or number" to returning false, rather
13302         than failing.
13303         (md_reader::read_name): Reimplement in terms of read_name_1.
13304         (md_reader::read_name_or_nil): New function.
13305         (md_reader::read_string): Handle "(nil)" by returning NULL.
13306         (md_reader::md_reader): Add new param "compact".
13307         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
13308         (md_reader::read_file): New method.
13309         * read-md.h (md_reader::md_reader): Add new param "compact".
13310         (md_reader::read_file): New method.
13311         (md_reader::is_compact): New accessor.
13312         (md_reader::read_name): Convert return type from void to file_location.
13313         (md_reader::read_name_or_nil): New decl.
13314         (md_reader::read_name_1): New decl.
13315         (md_reader::m_compact): New field.
13316         (noop_reader::noop_reader): Pass "false" for new "compact" param
13317         of rtx_reader.
13318         (rtx_reader::rtx_reader): Add new "compact" param.
13319         (rtx_reader::read_rtx_operand): Make virtual and convert return
13320         type from void to rtx.
13321         (rtx_reader::read_until): New decl.
13322         (rtx_reader::handle_any_trailing_information): New virtual function.
13323         (rtx_reader::postprocess): New virtual function.
13324         (rtx_reader::finalize_string): New virtual function.
13325         (rtx_reader::m_in_call_function_usage): New field.
13326         (rtx_reader::m_reuse_rtx_by_id): New field.
13327         * read-rtl-function.c: New file.
13328         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
13329         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
13330         (selftest::verify_three_block_rtl_cfg): New decl.
13331         * read-rtl-function.h: New file.
13332         * read-rtl.c: Potentially include config.h rather than bconfig.h.
13333         For host, include function.h, memmodel.h, and emit-rtl.h.
13334         (one_time_initialization): New function.
13335         (struct compact_insn_name): New struct.
13336         (compact_insn_names): New array.
13337         (find_code): Handle insn codes in compact dumps.
13338         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
13339         (bind_subst_iter_and_attr): Likewise.
13340         (add_condition_to_string): Likewise.
13341         (add_condition_to_rtx): Likewise.
13342         (apply_attribute_uses): Likewise.
13343         (add_current_iterators): Likewise.
13344         (apply_iterators): Likewise.
13345         (initialize_iterators): Guard usage of apply_subst_iterator with
13346         #ifdef GENERATOR_FILE.
13347         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
13348         (md_reader::read_mapping): Likewise.
13349         (add_define_attr_for_define_subst): Likewise.
13350         (add_define_subst_attr): Likewise.
13351         (read_subst_mapping): Likewise.
13352         (check_code_iterator): Likewise.
13353         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
13354         logic to...
13355         (one_time_initialization): New function.
13356         (rtx_reader::read_until): New method.
13357         (read_flags): New function.
13358         (parse_reg_note_name): New function.
13359         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
13360         Handle reuse_rtx ids.
13361         Wrap iterator lookup within #ifdef GENERATOR_FILE.
13362         Add parsing support for RTL dumps, mirroring the special-cases in
13363         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
13364         values, and calling handle_any_trailing_information.
13365         (rtx_reader::read_rtx_operand): Convert return type from void
13366         to rtx, returning return_rtx.  Handle case 'e'.  Call
13367         finalize_string on XSTR and XTMPL fields.
13368         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
13369          "(nil)" values were omitted.  Call the postprocess vfunc on the
13370         return_rtx.
13371         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
13372         class ctor.  Initialize m_in_call_function_usage.  Call
13373         one_time_initialization.
13374         * rtl-tests.c (selftest::test_uncond_jump): Call
13375         set_new_first_and_last_insn.
13376         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
13377         * selftest-rtl.c: New file.
13378         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
13379         (selftest::get_insn_by_uid): New decl.
13380         * selftest-run-tests.c (selftest::run_tests): Call
13381         read_rtl_function_c_tests.
13382         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
13383         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
13384         dumps.
13385
13386 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
13387
13388         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
13389         operands in a special way.  Assert that pos+len <= mode precision.
13390
13391 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
13392
13393         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
13394         3 argument Alias with unlimited for the negative form.
13395         (fno-vect-cost-model): Removed.
13396
13397 2017-01-05  Martin Liska  <mliska@suse.cz>
13398
13399         * hsa-gen.c (gen_hsa_divmod): New function.
13400         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
13401
13402 2017-01-05  Martin Liska  <mliska@suse.cz>
13403
13404         PR pch/78970
13405         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
13406         header.
13407
13408 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13409
13410         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
13411         small constant length operands.
13412
13413 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13414
13415         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
13416         between loop iterations.
13417
13418 2017-01-05  Martin Liska  <mliska@suse.cz>
13419
13420         PR sanitizer/78815
13421         * gimplify.c (gimplify_decl_expr): Compare to
13422         asan_poisoned_variables instread of checking flags.
13423         (gimplify_target_expr): Likewise.
13424         (gimplify_expr): Likewise.
13425         (gimplify_function_tree): Conditionally initialize
13426         asan_poisoned_variables.
13427
13428 2017-01-04  Jeff Law  <law@redhat.com>
13429
13430         PR tree-optimizatin/78812
13431         * rtl.h (contains_mem_rtx_p): Prototype.
13432         * ifcvt.c (containts_mem_rtx_p): Move from here to...
13433         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
13434         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
13435         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
13436         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
13437
13438 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13439
13440         * input.c (assert_char_at_range): Default-initialize actual_range.
13441
13442 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13443
13444         * df-scan.c (df_ref_create_structure): Make regno unsigned,
13445         to match the caller.
13446
13447 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13448
13449         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
13450         insns after final jump in test to emit dummy move.
13451
13452 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13453
13454         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
13455         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
13456
13457 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13458
13459         * multiple_target.c (create_dispatcher_calls): Init e_next.
13460         * tree-ssa-loop-split.c (split_loop): Init border.
13461         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
13462         scalar_type.
13463
13464 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
13465
13466         PR target/71977
13467         PR target/70568
13468         PR target/78823
13469         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
13470         (altivec_register_operand): Do not return true if the operand
13471         contains a SUBREG mixing SImode and SFmode.
13472         (vsx_register_operand): Likewise.
13473         (vsx_reg_sfsubreg_ok): New predicate.
13474         (vfloat_operand): Do not return true if the operand contains a
13475         SUBREG mixing SImode and SFmode.
13476         (vint_operand): Likewise.
13477         (vlogical_operand): Likewise.
13478         (gpc_reg_operand): Likewise.
13479         (int_reg_operand): Likewise.
13480         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
13481         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
13482         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
13483         SImode and SFmode.
13484         (rs6000_emit_move_si_sf_subreg): New helper function.
13485         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
13486         fixup SUBREGs involving SImode and SFmode.
13487         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
13488         numbers for the new peephole2 optimization.
13489         (peephole2 for SFmode unions): New peephole2 to optimize cases in
13490         the GLIBC math library that do AND/IOR/XOR operations on single
13491         precision floating point.
13492         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
13493         target macros to say whether we need to avoid SUBREGs mixing
13494         SImode and SFmode.
13495         (TARGET_ALLOW_SF_SUBREG): Likewise.
13496         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
13497         (UNSPEC_SI_FROM_SF): Likewise.
13498         (iorxor): Change spacing.
13499         (and_ior_xor): New iterator for AND, IOR, and XOR.
13500         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
13501         (movdi_from_sf_zero_ext): Likewise.
13502         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
13503         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
13504         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
13505         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
13506         (fms<mode>4): Likewise.
13507         (fnma<mode>4): Likewise.
13508         (fnms<mode>4): Likewise.
13509         (nfma<mode>4): Likewise.
13510         (nfms<mode>4): Likewise.
13511
13512 2017-01-04  Marek Polacek  <polacek@redhat.com>
13513
13514         PR c++/64767
13515         * doc/invoke.texi: Document -Wpointer-compare.
13516
13517 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
13518
13519         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
13520         RejectNegative.
13521
13522         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
13523         descriptions for -gdwarf-5 and emit them as uleb128 instead of
13524         2-byte data.
13525
13526 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
13527
13528         PR target/78056
13529         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
13530         documentation of the powerpc_popcntb_ok attribute.
13531         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
13532         code to issue warning messages if a requested CPU configuration is
13533         not supported by the binary (assembler and loader) toolchain.
13534         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
13535         made to define a built-in function that has been disabled.
13536         (paired_init_builtins): Add assertion to prevent ICE if attempt is
13537         made to define a built-in function that has been disabled.
13538         (altivec_init_builtins): Add comment explaining why definition
13539         of the DST built-in functions is not preceded by an assertion
13540         check.  Add assertions to prevent ICE if attempts are made to
13541         define an altivec predicate or an abs* built-in function that has
13542         been disabled.
13543         (htm_init_builtins): Add comment explaining why definition of the
13544         htm built-in functions is not preceded by an assertion check.
13545
13546 2017-01-04  Jeff Law  <law@redhat.com>
13547
13548         PR tree-optimizatin/67955
13549         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
13550         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
13551         the points-to solution does not include pt_null.  Use DECL_PT_UID
13552         unconditionally.
13553
13554 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
13555
13556         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
13557         Use gen_int_mode instead of gen_lopwart for const_int operands.
13558
13559 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
13560
13561         PR tree-optimization/71563
13562         * match.pd: Simplify X << Y into X if Y is known to be 0 or
13563         out of range value - has low bits known to be zero.
13564
13565 2017-01-04  Alan Modra  <amodra@gmail.com>
13566
13567         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
13568         * configure: Regenerate.
13569         * config.in: Regenerate.
13570
13571 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
13572
13573         PR bootstrap/77569
13574         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
13575         a substring of the message, but strcmp with the whole message.  Ifdef
13576         ENABLE_NLS, translate the message first using dgettext.
13577
13578 2017-01-03  Jeff Law  <law@redhat.com>
13579
13580         PR tree-optimizatin/78856
13581         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
13582         (mark_threaded_blocks): Remove code to truncate thread paths that
13583         cross multiple loop headers.  Instead invalidate the cached loop
13584         iteration information and handle case of a thread path walking
13585         into an irreducible region.
13586
13587 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
13588
13589         PR target/78900
13590         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
13591         assertions.  Add support for doing the signbit if the IEEE 128-bit
13592         floating point value is in a GPR.
13593         * config/rs6000/rs6000.md (Fsignbit): Delete.
13594         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
13595         Update the length attribute if the value is in a GPR.
13596         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
13597         the sign or zero extension instruction, since the value is always 0/1.
13598         (signbit<mode>2_dm2): Delete using <Fsignbit>.
13599
13600         PR target/78953
13601         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
13602         extracting SImode to a GPR register so that we can generate a
13603         store, limit the vector to be in a traditional Altivec register
13604         for the vextuwrx instruction.
13605
13606 2017-01-03  Ian Lance Taylor  <iant@google.com>
13607
13608         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
13609
13610 2017-01-03  Martin Sebor  <msebor@redhat.com>
13611
13612         PR tree-optimization/78696
13613         * gimple-ssa-sprintf.c (format_floating): Correct handling of
13614         precision.  Use MPFR for %f for greater fidelity.  Correct handling
13615         of %g.
13616         (pass_sprintf_length::compute_format_length): Set width and precision
13617         specified by asrerisk to void_node for vararg functions.
13618         (try_substitute_return_value): Adjust dump output.
13619
13620 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
13621
13622         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
13623
13624 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
13625
13626         * doc/invoke.texi (SPARC options): Document -mlra as the default.
13627         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
13628         -mlra/-mno-lra was passed to the compiler.
13629
13630 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
13631
13632         PR rtl-optimization/65618
13633         * emit-rtl.c (try_split): Move initialization of "before" and
13634         "after" to just before the call to emit_insn_after_setloc.
13635
13636 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
13637
13638         * doc/md.texi (Standard Names): Remove reference to Java frontend.
13639
13640 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
13641
13642         * dwarf2out.c (gen_enumeration_type_die): When
13643         -gno-strict-dwarf, add a DW_AT_encoding attribute.
13644
13645 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
13646
13647         PR tree-optimization/78965
13648         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
13649         Change first argument from const call_info & to call_info &.  For %n
13650         set info.nowrite to false.
13651
13652         PR middle-end/78901
13653         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
13654         possibly throwing calls.
13655
13656         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
13657         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
13658         and fns handling, rather than in a separate case SSA_NAME.
13659
13660 2017-01-02  Jeff Law  <law@redhat.com>
13661
13662         * config/darwin-driver.c (darwin_driver_init): Const-correctness
13663         fixes for first_period and second_period variables.
13664
13665 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
13666
13667         PR target/78967
13668         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
13669         (*insvqi_1): New insn pattern.
13670         (*insvqi_1_mem_rex64): Ditto.
13671         (*insvqi_2): Ditto.
13672         (*insvqi_3): Rename from *insvqi.
13673
13674         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
13675
13676 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
13677
13678         * doc/cfg.texi (Edges): Remove reference to Java.
13679         (Maintaining the CFG): Ditto.
13680
13681 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
13682
13683         PR middle-end/77674
13684         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
13685         transparent aliases.
13686
13687 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
13688
13689         PR middle-end/77484
13690         * predict.def (PRED_CALL): Update hitrate.
13691         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
13692         * predict.c (tree_estimate_probability_bb): Split CALL predictor
13693         into direct/indirect/polymorphic variants.
13694
13695 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
13696
13697         Update copyright years.
13698
13699         * gcc.c (process_command): Update copyright notice dates.
13700         * gcov-dump.c (print_version): Ditto.
13701         * gcov.c (print_version): Ditto.
13702         * gcov-tool.c (print_version): Ditto.
13703         * gengtype.c (create_file): Ditto.
13704         * doc/cpp.texi: Bump @copying's copyright year.
13705         * doc/cppinternals.texi: Ditto.
13706         * doc/gcc.texi: Ditto.
13707         * doc/gccint.texi: Ditto.
13708         * doc/gcov.texi: Ditto.
13709         * doc/install.texi: Ditto.
13710         * doc/invoke.texi: Ditto.
13711 \f
13712 Copyright (C) 2017 Free Software Foundation, Inc.
13713
13714 Copying and distribution of this file, with or without modification,
13715 are permitted in any medium without royalty provided the copyright
13716 notice and this notice are preserved.