gcc/ChangeLog

   1 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
   2
   3         PR sanitizer/88619
   4         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
   5         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
   6
   7         PR c++/85052
   8         * tree-vect-generic.c: Include insn-config.h and recog.h.
   9         (expand_vector_piecewise): Add defaulted ret_type argument,
  10         if non-NULL, use that in preference to type for the result type.
  11         (expand_vector_parallel): Formatting fix.
  12         (do_vec_conversion, do_vec_narrowing_conversion,
  13         expand_vector_conversion): New functions.
  14         (expand_vector_operations_1): Call expand_vector_conversion
  15         for VEC_CONVERT ifn calls.
  16         * internal-fn.def (VEC_CONVERT): New internal function.
  17         * internal-fn.c (expand_VEC_CONVERT): New function.
  18         * fold-const-call.c (fold_const_vec_convert): New function.
  19         (fold_const_call): Use it for CFN_VEC_CONVERT.
  20         * doc/extend.texi (__builtin_convertvector): Document.
  21
  22 2019-01-07  Tom de Vries  <tdevries@suse.de>
  23
  24         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
  25         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
  26         vector_red_partition, vector_red_sym): New global variables.
  27         (nvptx_option_override): Initialize vector_red_sym.
  28         (nvptx_declare_function_name): Restore red_partition register.
  29         (nvptx_file_end): Emit code to declare the vector reduction variables.
  30         (nvptx_output_red_partition): New function.
  31         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
  32         large vector reductions.
  33         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
  34         (nvptx_init_builtins): Add VECTOR_ADDR.
  35         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
  36         Handle nvptx_expand_shared_addr.
  37         (nvptx_get_shared_red_addr): Add vector argument and handle large
  38         vectors.
  39         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
  40         large vectors.
  41         (nvptx_goacc_reduction_init): Likewise.
  42         (nvptx_goacc_reduction_fini): Likewise.
  43         (nvptx_goacc_reduction_teardown): Likewise.
  44         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
  45         init,fini,teardown}.
  46         (nvptx_init_axis_predicate): Initialize vector_red_partition.
  47         (nvptx_set_current_function): Init vector_red_partition.
  48         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
  49         (nvptx_red_partition): New insn.
  50         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
  51
  52 2019-01-07  Tom de Vries  <tdevries@suse.de>
  53
  54         PR target/85381
  55         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
  56         empty loops.
  57
  58 2019-01-07  Tom de Vries  <tdevries@suse.de>
  59
  60         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
  61         (nvptx_option_override): Init oacc_bcast_partition.
  62         (nvptx_init_oacc_workers): New function.
  63         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
  64         (nvptx_needs_shared_bcast): New function.
  65         (nvptx_find_par): Generalize to enable vectors to use shared-memory
  66         to propagate state.
  67         (nvptx_shared_propagate): Initialize vector bcast partition and
  68         synchronization state.
  69         (nvptx_single):  Generalize to enable vectors to use shared-memory
  70         to propagate state.
  71         (nvptx_process_pars): Likewise.
  72         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
  73         * config/nvptx/nvptx.h (struct machine_function): Add
  74         bcast_partition and sync_bar members.
  75
  76 2019-01-07  Tom de Vries  <tdevries@suse.de>
  77
  78         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
  79         (nvptx_apply_dim_limits): New function.
  80         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
  81         PTX_WARP_SIZE.
  82
  83 2019-01-07  Tom de Vries  <tdevries@suse.de>
  84
  85         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
  86         as late as possible.
  87
  88 2019-01-07  Tom de Vries  <tdevries@suse.de>
  89
  90         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
  91         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
  92         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
  93         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
  94         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
  95
  96 2019-01-07  Tom de Vries  <tdevries@suse.de>
  97
  98         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
  99
 100 2019-01-07  Tom de Vries  <tdevries@suse.de>
 101
 102         * omp-offload.c (oacc_get_min_dim): New function.
 103         * omp-offload.h (oacc_get_min_dim): Declare.
 104
 105 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
 106
 107         PR target/88521
 108         * config/i386/i386.c (function_value_ms_64): Return small sturct in
 109         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
 110
 111 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
 112
 113         PR tree-opt/86020
 114         Revert:
 115         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
 116
 117         * ipa-inline.c (edge_badness): Use inlined_time instead of
 118         inline_summaries->get.
 119
 120 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
 121
 122         * opts.c (enable_fdo_optimizations): Enable
 123         version-loops-for-strides, loop-interchange, unrol-and-jam
 124         and tree-loop-distribution.
 125         * invoke.texi: Document newly enabled options.
 126
 127 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
 128
 129         * doc/invoke.texi (max-inline-insns-small): New parameters.
 130         * ipa-inline.c (want_early_inline_function_p): simplify.
 131         (want_inline_small_function_p): Fix pasto from previous patch;
 132         use max-inline-insns-small bound.
 133         * params.def (max-inline-insns-small): New param.
 134         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
 135         variables correctly.
 136
 137 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
 138
 139         * doc/invoke.texi: Document max-inline-insns-size,
 140         uninlined-function-insns, uninlined-function-time,
 141         uninlined-thunk-insns and uninlined-thunk-time.
 142         * params.def: Add max-inline-insns-size,
 143         uninlined-function-insns, uninlined-function-time,
 144         uninlined-thunk-insns and uninlined-thunk-time.
 145         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
 146         new parameters.
 147         * ipa-inline.c (can_inline_edge_by_limits_p,
 148         want_inline_small_function_p): Use new parameters.
 149
 150 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
 151
 152         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
 153
 154 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
 155
 156         PR middle-end/82564
 157         PR target/88620
 158         * expr.c (expand_assignment): For calls returning VLA structures
 159         if to_rtx is not a MEM, force it into a stack temporary.
 160
 161         PR debug/88635
 162         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
 163         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
 164         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
 165         subexpressions of both operands.
 166         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
 167         subrtxes are CONSTANT_P.
 168         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
 169         2018-11-09 changes.
 170
 171 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
 172
 173         * params.def (hot-bb-count-ws-permille): Set to 990.
 174
 175 2019-01-04  Martin Sebor  <msebor@redhat.com>
 176
 177         PR c/88546
 178         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
 179         leaf.
 180
 181 2019-01-04  Martin Sebor  <msebor@redhat.com>
 182
 183         PR c/88363
 184         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
 185
 186 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
 187
 188         * gdbinit.in: Turn off pagination for the skip commands, restore
 189         it to previous state afterwards.
 190
 191 2019-01-04  Sam Tebbs  <sam.tebbs@arm.com>
 192
 193         PR gcc/87763
 194         * gcc.target/aarch64/combine_bfxil.c: Change scan-assembler-times bfxil
 195         count to 18.
 196
 197 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
 198
 199         PR target/88594
 200         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
 201         of GET_MODE (opN) as modes of the libcall arguments.
 202
 203 2019-01-04  Jan Beulich  <jbeulich@suse.com>
 204
 205         * config/i386/sse.md
 206         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
 207         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
 208         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
 209         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
 210         avx512f_vmcmp<mode>3<round_saeonly_name>,
 211         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
 212         avx512f_maskcmp<mode>3,
 213         <avx512>_cvt<ssemodesuffix>2mask<mode>,
 214         <avx512>_cvt<ssemodesuffix>2mask<mode>,
 215         *<avx512>_cvtmask2<ssemodesuffix><mode>,
 216         *<avx512>_cvtmask2<ssemodesuffix><mode>,
 217         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
 218         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
 219         <avx512>_gt<mode>3<mask_scalar_merge_name>,
 220         <avx512>_gt<mode>3<mask_scalar_merge_name>,
 221         <avx512>_testm<mode>3<mask_scalar_merge_name>,
 222         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
 223         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
 224         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
 225         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
 226         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
 227         avx512cd_maskb_vec_dup<mode>,
 228         avx512cd_maskw_vec_dup<mode>,
 229         avx512dq_fpclass<mode><mask_scalar_merge_name>,
 230         avx512dq_vmfpclass<mode>,
 231         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
 232         instead of =Yk.
 233
 234 2019-01-03  Martin Sebor  <msebor@redhat.com>
 235
 236         PR tree-optimization/88659
 237         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
 238
 239 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
 240
 241         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
 242         unaligned vsx and avoid lxvd2x/stxvd2x.
 243         (gen_lvx_v4si_move): New function.
 244
 245 2019-01-03  Tom de Vries  <tdevries@suse.de>
 246
 247         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
 248         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
 249         function.
 250         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
 251
 252 2019-01-03  Tom de Vries  <tdevries@suse.de>
 253
 254         * config/nvptx/nvptx.c (struct offload_attrs): New.
 255         (populate_offload_attrs): New function.  Factor mask extraction out of
 256         nvptx_reorg.  Add extraction of dimensions.
 257         (nvptx_reorg): Use populate_offload_attrs.
 258
 259 2019-01-03  Tom de Vries  <tdevries@suse.de>
 260
 261         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
 262         cases for oacc_min_dims_p and routine_p.  Add asserts for
 263         oacc_default_dims_p and offload_region_p.
 264
 265 2019-01-03  Tom de Vries  <tdevries@suse.de>
 266
 267         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
 268         factored out of ...
 269         (nvptx_goacc_validate_dims): ... here.
 270
 271 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
 272
 273         PR tree-optimization/85574
 274         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
 275         structure.
 276         (struct ssa_equip_hash_traits): Declare.
 277         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
 278
 279 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
 280
 281         PR debug/88644
 282         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
 283         change it to qualified_type.
 284
 285 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
 286
 287         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
 288         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
 289
 290 2019-01-02  Martin Sebor  <msebor@redhat.com>
 291             Jeff Law  <law@redhat.com>
 292
 293         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
 294         (get_range_strlen_tree): Update appropriately.
 295         (get_range_strlen)
 296         * gimple-fold.h (get_range_strlen): Drop unused last argument.
 297
 298         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
 299         rather than set_range_info.
 300         * tree-ssa-strlen.c (set_strlen_range): Extracted from
 301         maybe_set_strlen_range.  Handle potentially boundary crossing
 302         cases more conservatively.
 303         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
 304         Call set_strlen_range.
 305         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
 306
 307         PR middle-end/88663
 308         * gimple-fold.c (get_range_strlen): Update prototype to no longer
 309         need the flexp argument.
 310         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
 311         from calls to get_range_strlen.  Update comments.  Just update
 312         VAL for an unterminated const char array and let the reset of the
 313         code handle it normally.  No longer try to set *flexp.  Adjust
 314         return value.
 315         (get_range_strlen): Update for the new get_range_strlen API.
 316         (get_maxval_strlen): Similarly.
 317         (gimple_fold_builtin_strlen): Handle update meaning of return value
 318         from get_range_strlen.
 319         * gimple-ssa-sprintf.c (get_string_length): Update for the new
 320         get_range_strlen API.
 321
 322 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
 323
 324         PR lto/88130
 325         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
 326         false at WPA time when body was removed.
 327
 328 2019-01-02  Martin Liska  <mliska@suse.cz>
 329
 330         PR tree-optimization/88650
 331         * predict.c (set_even_probabilities): Calculate probability
 332         remainer only when really used.
 333
 334 2019-01-02  Richard Biener  <rguenther@suse.de>
 335
 336         PR middle-end/88651
 337         * tree-data-ref.c (analyze_subscript_affine_affine): Use
 338         widest_ints when mangling max_stmt_execution results.
 339
 340 2019-01-02  Richard Biener  <rguenther@suse.de>
 341
 342         PR tree-optimization/88621
 343         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
 344         bitfields when canoncalizing.
 345
 346 2019-01-02  Richard Biener  <rguenther@suse.de>
 347
 348         PR target/87545
 349         * config/i386/x86-tune-costs.h (intel_cost): Adjust
 350         cost of cheap SSE instruction.
 351
 352 2019-01-02  Richard Biener  <rguenther@suse.de>
 353
 354         PR ipa/85574
 355         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
 356         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
 357         function.
 358         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
 359         set after UIDs before splitting them.
 360
 361 2019-01-01  Martin Sebor  <msebor@redhat.com>
 362             Jeff Law  <law@redhat.com>
 363
 364         * gimple-fold.c (get_range_strlen_tree): Record if the computed
 365         length is optimistic.  If it is, then arrange to compute the
 366         conservative length as well.
 367
 368         * gimple-fold.h (get_range_strlen): Update prototype.
 369         * builtins.c (check_access): Update call to get_range_strlen to use
 370         c_strlen_data pointer.   Change various variable accesses to instead
 371         pull data from the c_strlen_data structure.
 372         (check_strncat_sizes, expand_builtin_strncat): Likewise.
 373         * calls.c (maybe_warn_nonstring_arg): Likewise.
 374         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
 375         minimum length if maximum lengh is unknown.
 376         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
 377         that used c_strlen, it's no longer needed.  Restructure slightly.
 378         (format_string): Set unlikely range appropriately.
 379         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
 380         formatting issues.
 381         (get_range_strlen):  Accept c_strlen_data pointer for external
 382         call sites as well.  Pass through to call to internal get_range_strlen.
 383         Adjust minlen, maxlen and maxbound as needed.
 384         (get_maxval_strlen): Update comments.
 385         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
 386         to use c_strlen_data pointer.  Change variable accesses to instead
 387         use c_strlen_data data members.
 388
 389         * gimple-fold.c (get_range_strlen): Update prototype.
 390         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
 391         local variables.  Use pdata to return information to caller.
 392         Update calls to get_range_strlen.  Update pdata->maxbound.
 393         (get_range_strlen -- static version): Similarly.
 394         (get_range_strlen -- extern version): Update for internal
 395         get_range_strlen API change.  Convert to external data format.
 396         (get_maxval_strlen): Similarly.
 397
 398 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
 399
 400         * coverage.c (get_coverage_counts): Use current_function_decl.
 401         * profile.c (read_thunk_profile): New function.
 402         (branch_prob): Add THUNK parameter.
 403         * tree-profile.c (tree_profiling): Handle thunks.
 404         * value-prof.c (init_node_map): Handle thunks.
 405         * value-prof.h (branch_prob): Upate prototype.
 406         (read_thunk_profile): Declare.
 407
 408 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 409
 410         Update copyright years.
 411
 412         * gcc.c (process_command): Update copyright notice dates.
 413         * gcov-dump.c (print_version): Ditto.
 414         * gcov.c (print_version): Ditto.
 415         * gcov-tool.c (print_version): Ditto.
 416         * gengtype.c (create_file): Ditto.
 417         * doc/cpp.texi: Bump @copying's copyright year.
 418         * doc/cppinternals.texi: Ditto.
 419         * doc/gcc.texi: Ditto.
 420         * doc/gccint.texi: Ditto.
 421         * doc/gcov.texi: Ditto.
 422         * doc/install.texi: Ditto.
 423         * doc/invoke.texi: Ditto.
 424 \f
 425 Copyright (C) 2019 Free Software Foundation, Inc.
 426
 427 Copying and distribution of this file, with or without modification,
 428 are permitted in any medium without royalty provided the copyright
 429 notice and this notice are preserved.