gcc/ChangeLog.gomp

   1 2015-05-18  Tom de Vries  <tom@codesourcery.com>
   2
   3         PR tree-optimization/65637
   4         * omp-low.c (expand_omp_for_static_chunk): Handle case that fin_bb has 2
   5         predecessors.
   6
   7 2015-05-18  Tom de Vries  <tom@codesourcery.com>
   8
   9         PR tree-optimization/65637
  10         * omp-low.c (find_phi_with_arg_on_edge): New function.
  11         (expand_omp_for_static_chunk): Fix inner loop phi.
  12
  13 2015-05-18  Tom de Vries  <tom@codesourcery.com>
  14
  15         PR tree-optimization/65637
  16         * omp-low.c (expand_omp_for_static_chunk): Fix gcc_assert for the case
  17         that head is NULL.
  18
  19 2015-05-15  Cesar Philippidis  <cesar@codesourcery.com>
  20
  21         * omp-low.c (scan_omp_for): Remove check for nested parallel and
  22         kernels regions.
  23
  24 2015-05-13  Bernd Schmidt  <bernds@codesourcery.com>
  25
  26         * config/nvptx/nvptx-opts.h: New file.
  27         * config/nvptx/nvptx.c (nvptx_file_start): Print the correct .target.
  28         * config/nvptx/nvptx.h: Include "nvptx-opts.h".
  29         (ASM_SPEC): Define.
  30         (TARGET_SM35): New macro.
  31         * config/nvptx/nvptx.md (atomic_fetch_<logic><mode>): Enable with the
  32         correct predicate.
  33         * config/nvptx/nvptx.opt (ptx_isa, sm_30, sm_35): New enum and its
  34         values.
  35         (misa=): New option.
  36
  37 2015-05-13  Cesar Philippidis  <cesar@codesourcery.com>
  38
  39         * except.c (finish_eh_generation): Don't finalize exeception
  40         handlers for functions containing the "oacc function" attribute.
  41         * omp-low.c (create_omp_child_function): Add an "oacc function"
  42         attribute to acc regions.
  43
  44         * langhooks-def.h (lhd_omp_mappable_type): Add bool argument.
  45         * langhooks.c (lhd_omp_mappable_type): Likewise, for the
  46         parameter.
  47         * langhooks.h (struct lang_hooks_for_types): Add bool oacc
  48         argument.
  49         * gimplify.c (omp_notice_variable): Use it when calling the
  50         omp_mappable_type langhook.
  51
  52 2015-05-13  Thomas Schwinge  <thomas@codesourcery.com>
  53             Bernd Schmidt  <bernds@codesourcery.com>
  54             Cesar Philippidis  <cesar@codesourcery.com>
  55             Chung-Lin Tang  <cltang@codesourcery.com>
  56             James Norris  <jnorris@codesourcery.com>
  57             Joseph Myers  <joseph@codesourcery.com>
  58             Julian Brown  <julian@codesourcery.com>
  59             Tom de Vries  <tom@codesourcery.com>
  60
  61         * builtin-types.def
  62         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_INT_INT_INT_INT_INT_VAR):
  63         Remove.
  64         (BT_FN_INT_INT_INT_INT)
  65         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_INT_INT_INT_SIZE_INT_INT_VAR):
  66         New function types.
  67         * builtins.c (expand_oacc_builtin, expand_oacc_ganglocal_ptr): New
  68         functions.
  69         (expand_builtin, is_simple_builtin): Use them.
  70         * config/nvptx/mkoffload.c (process): Protect
  71         GOMP_offload_register prototype from C++ name mangling.
  72         * config/nvptx/nvptx.c (nvptx_file_start): Print declaration of
  73         sdata.
  74         * config/nvptx/nvptx.md (UNSPEC_NCTAID, UNSPEC_CTAID)
  75         (UNSPEC_SHARED_DATA): New constants.
  76         (oacc_nctaid_insn, oacc_nctaid, oacc_ctaid_insn, oacc_ctaid)
  77         (ganglocal_ptr<mode>, ganglocal_ptr): New patterns.
  78         * doc/md.texi (oacc_ntid, oacc_tid): Document.
  79         * gimple.h (gimple_statement_omp_parallel_layout): Add
  80         ganglocal_size member.
  81         (gimple_omp_target_ganglocal_size)
  82         (gimple_omp_target_set_ganglocal_size): New functions.
  83         * gimplify.c (gimplify_omp_var_data): Add GOVD_USE_DEVICE,
  84         GOVD_FORCE_MAP, GOVD_GANGLOCAL.
  85         (omp_region_type): Add ORT_HOST_DATA.
  86         (omp_region_kind, acc_region_kind): New enum types.
  87         (gimplify_omp_ctx): Add region_kind, acc_region_kind members.
  88         (new_omp_context, omp_add_variable, omp_notice_variable)
  89         (gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1): Update
  90         for OpenACC.
  91         (gimplify_scan_omp_clauses): Add region_kind formal parameter.
  92         Adjust all users.
  93         (gimplify_oacc_host_data_1, gimplify_oacc_host_data): New
  94         functions.
  95         (gimplify_expr): Update handling of OACC_HOST_DATA.
  96         * omp-builtins.def (BUILT_IN_GOACC_KERNELS_INTERNAL)
  97         (BUILT_IN_GOACC_KERNELS, BUILT_IN_GOACC_PARALLEL): Change type
  98         from BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_INT_INT_INT_INT_INT_VAR
  99         to
 100         BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_INT_INT_INT_SIZE_INT_INT_VAR.
 101         Adjust all users.
 102         (BUILT_IN_GOACC_GET_THREAD_NUM, BUILT_IN_GOACC_GET_NUM_THREADS):
 103         Change type from from BT_FN_INT to BT_FN_INT_INT_INT_INT.  Adjust
 104         all users.
 105         (BUILT_IN_GOACC_NTID, BUILT_IN_GOACC_TID, BUILT_IN_GOACC_NCTAID)
 106         (BUILT_IN_GOACC_CTAID, BUILT_IN_GOACC_GET_GANGLOCAL_PTR)
 107         (BUILT_IN_GOACC_DEVICEPTR): New builtins.
 108         * omp-low.c (omp_context): Add oacc_reduction_set, ganglocal_init,
 109         ganglocal_ptr, ganglocal_size, ganglocal_size_host members.
 110         (new_omp_context, delete_omp_context): Initialize/deinitialize
 111         these, respectively.
 112         (omp_for_data): Add gang, worker, vector members.
 113         (extract_omp_for_data): Populate these.
 114         (oacc_max_threads, oacc_finalize_reduction_data): Rewrite
 115         functions.
 116         (is_oacc_parallel, oacc_parallel_max_reduction_array_size)
 117         (align_and_expand, alloc_var_ganglocal, install_var_ganglocal)
 118         (install_array_var_ganglocal)
 119         (oacc_outermost_parallel_kernels_context, oacc_inside_routine)
 120         (is_oacc_multithreaded, oacc_needs_global_memory)
 121         (is_atomic_compatible_reduction, oacc_serial_reduction)
 122         (oacc_process_reduction_data_helper): New functions.
 123         (build_outer_var_ref, fixup_remapped_decl, scan_sharing_clauses)
 124         (check_omp_nesting_restrictions, lower_rec_input_clauses)
 125         (lower_reduction_clauses, oacc_initialize_reduction_data)
 126         (oacc_process_reduction_data, lower_omp_target)
 127         (lower_omp_regimplify_p): Update for OpenACC.
 128         * tree-parloops.c (create_parallel_loop): For OpenACC, switch from
 129         vector to gang parallelism.
 130         * tree-pretty-print.c (dump_omp_clause): Handle
 131         GOMP_MAP_FORCE_TO_GANGLOCAL.
 132
 133 2015-05-13  Bernd Schmidt  <bernds@codesourcery.com>
 134
 135         * config/nvptx/mkoffload.c (enum Kind, struct Token, enum Vis)
 136         (struct Stmt): Remove.
 137         (read_file, tokenize, write_token, write_tokens, alloc_stmt)
 138         (alloc_comment, append_stmt, rev_stmts, write_stmt, write_stmts)
 139         (parse_insn, parse_list_nosemi, parse_init, parse_file): Remove
 140         functions and macros.
 141         (decls, vars, fns): Remove variables.
 142         (maybe_unlink): Use save_temps rather than debug to keep files.
 143         (tool_cleanup): Unlink ptx_cfile_name and ptx_name.
 144         (read_file): Accept a pointer to a length and store into it.
 145         (process): Don't try to parse the input file, just write it out as a
 146         string, but looking for maps.  Also write out the length.
 147         (main): Don't use -S to compile ptx code.  Add -lgomp.  Add
 148         COLLECT_MKOFFLOAD_OPTIONS.  Scan for -fopenacc and produce an empty
 149         image if it is not set.  Scan for -save-temps.
 150         * gcc.c (mkoffload_options): New static variable.
 151         (display_help): Mention -Xoffload
 152         (driver_handle_option): Handle it.
 153         (add_mkoffload_option): New static function.
 154         (set_collect_gcc_options): If offloading, set
 155         COLLECT_MKOFFLOAD_OPTIONS.
 156         * doc/invoke.texi (-Xoffload): Document.
 157         * common.opt (Xoffload): New option.
 158         * gcc.c (process_command): Use spec_machine rather than
 159         spec_host_machine to build tooldir_prefix2.
 160
 161 2015-05-11  Thomas Schwinge  <thomas@codesourcery.com>
 162             Bernd Schmidt  <bernds@codesourcery.com>
 163             Cesar Philippidis  <cesar@codesourcery.com>
 164             Chung-Lin Tang  <cltang@codesourcery.com>
 165             James Norris  <jnorris@codesourcery.com>
 166             Joseph Myers  <joseph@codesourcery.com>
 167             Julian Brown  <julian@codesourcery.com>
 168             Tom de Vries  <tom@codesourcery.com>
 169
 170         * gimplify.c (gimplify_scan_omp_clauses)
 171         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_TILE.
 172         (gimplify_expr): Don't verify OACC_KERNELS_COMBINED, and
 173         OACC_PARALLEL_COMBINED.
 174         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_BIND,
 175         OMP_CLAUSE_NOHOST, OMP_CLAUSE_TILE.
 176         (check_omp_nesting_restrictions): Support GIMPLE_OMP_ATOMIC_LOAD,
 177         GIMPLE_OMP_ATOMIC_STORE inside OpenACC contexts.
 178         * tree-core.h (omp_clause_code): Add OMP_CLAUSE_BIND,
 179         OMP_CLAUSE_NOHOST, OMP_CLAUSE_TILE, OMP_CLAUSE_DEVICE_TYPE.
 180         * tree.c (omp_clause_num_ops, omp_clause_code_name, walk_tree_1):
 181         Update for these.
 182         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_TILE.
 183         * tree.h (OACC_KERNELS_COMBINED, OACC_PARALLEL_COMBINED): Remove
 184         macros.
 185         (OMP_CLAUSE_BIND_NAME, OMP_CLAUSE_TILE_LIST)
 186         (OMP_CLAUSE_DEVICE_TYPE_DEVICES, OMP_CLAUSE_DEVICE_TYPE_CLAUSES):
 187         Add macros.
 188
 189 2015-04-21  Tom de Vries  <tom@codesourcery.com>
 190
 191         * builtin-attrs.def (DOT_DOT_r_r_r): Add DEF_ATTR_FOR_STRING.
 192         (ATTR_FNSPEC_DOT_DOT_r_r_r_NOTHROW_LIST): Add DEF_ATTR_TREE_LIST.
 193         * omp-builtins.def (BUILT_IN_GOACC_DATA_START)
 194         (BUILT_IN_GOACC_ENTER_EXIT_DATA, BUILT_IN_GOACC_UPDATE): Use
 195         DEF_GOACC_BUILTIN_FNSPEC instead of DEF_GOACC_BUILTIN.
 196
 197         * passes.def: Add pass_fre after pass_ch_oacc_kernels.
 198
 199         * passes.def: Add pass_scev_cprop to pass_oacc_kernels.
 200         * tree-ssa-loop.c (pass_scev_cprop::clone): New function.
 201
 202         * passes.def: Add pass_parallelize_loops_oacc_kernels in pass group
 203         pass_oacc_kernels.
 204         * tree-parloops.c (create_parallel_loop, gen_parallel_loop): Add
 205         function parameters region_entry and bool oacc_kernels_p.  Handle
 206         oacc_kernels_p.
 207         Call create_parallel_loop with additional args.
 208         (parallelize_loops): Add function parameter oacc_kernels_p.  Calculate
 209         dominance info.  Skip loops that are not in a kernels region. Call
 210         gen_parallel_loop with additional args.
 211         (pass_parallelize_loops::execute): Call parallelize_loops with false
 212         argument.
 213         (pass_data_parallelize_loops_oacc_kernels): New pass_data.
 214         (class pass_parallelize_loops_oacc_kernels): New pass.
 215         (pass_parallelize_loops_oacc_kernels::execute)
 216         (make_pass_parallelize_loops_oacc_kernels): New function.
 217         * tree-pass.h (make_pass_parallelize_loops_oacc_kernels): Declare.
 218
 219         * passes.def: Add pass_copy_prop to pass group pass_oacc_kernels.
 220         * tree-ssa-copy.c (stmt_may_generate_copy): Handle .omp_data_i init
 221         conservatively.
 222
 223         * passes.def: Add pass_lim in pass group pass_ch_oacc_kernels.
 224
 225         * passes.def: Run pass_tree_loop_init and pass_tree_loop_done in pass
 226         group pass_oacc_kernels.
 227         * tree-ssa-loop.c (pass_tree_loop_init::clone)
 228         (pass_tree_loop_done::clone): New function.
 229
 230         * omp-low.c (loop_in_oacc_kernels_region_p): New function.
 231         * omp-low.h (loop_in_oacc_kernels_region_p): Declare.
 232         * passes.def: Add pass_ch_oacc_kernels to pass group pass_oacc_kernels.
 233         * tree-pass.h (make_pass_ch_oacc_kernels): Declare
 234         * tree-ssa-loop-ch.c: Include omp-low.h.
 235         (pass_ch_execute): Declare.
 236         (pass_ch::execute): Factor out ...
 237         (pass_ch_execute): ... this new function.  If handling oacc kernels,
 238         skip loops that are not in oacc kernels region.
 239         (pass_ch_oacc_kernels::execute):
 240         (pass_data_ch_oacc_kernels): New pass_data.
 241         (class pass_ch_oacc_kernels): New pass.
 242         (pass_ch_oacc_kernels::execute, make_pass_ch_oacc_kernels): New
 243         function.
 244
 245         * passes.def: Add pass group pass_oacc_kernels.
 246         * tree-pass.h (make_pass_oacc_kernels): Declare.
 247         * tree-ssa-loop.c (gate_oacc_kernels): New static function.
 248         (pass_data_oacc_kernels): New pass_data.
 249         (class pass_oacc_kernels): New pass.
 250         (make_pass_oacc_kernels): New function.
 251
 252         * omp-low.c: Include gimple-pretty-print.h.
 253         (release_first_vuse_in_edge_dest): New function.
 254         (expand_omp_target): When not in ssa, don't split off oacc kernels
 255         region, clear PROP_gimple_eomp in cfun->curr_properties to force later
 256         expanssion, and add GOACC_kernels_internal call.
 257         When in ssa, split off oacc kernels and convert GOACC_kernels_internal
 258         into GOACC_kernels call.  Handle ssa-code.
 259         (pass_data_expand_omp): Don't set PROP_gimple_eomp unconditionally in
 260         properties_provided field.
 261         (pass_expand_omp::execute): Set PROP_gimple_eomp in
 262         cfun->curr_properties tentatively.
 263         (pass_data_expand_omp_ssa): Add TODO_remove_unused_locals to
 264         todo_flags_finish field.
 265         (pass_expand_omp_ssa::execute): Release dangling SSA_NAMEs after calling
 266         execute_expand_omp.
 267         (gimple_stmt_ssa_operand_references_var_p)
 268         (gimple_stmt_omp_data_i_init_p): New function.
 269         * omp-low.h (gimple_stmt_omp_data_i_init_p): Declare.
 270         * passes.def: Add pass_expand_omp_ssa after pass_fre.  Add
 271         pass_expand_omp_ssa after pass_all_early_optimizations.
 272         * tree-ssa-ccp.c: Include omp-low.h.
 273         (surely_varying_stmt_p, ccp_visit_stmt): Handle .omp_data_i init
 274         conservatively.
 275         * tree-ssa-forwprop.c: Include omp-low.h.
 276         (pass_forwprop::execute): Handle .omp_data_i init conservatively.
 277         * tree-ssa-sccvn.c: Include omp-low.h.
 278         (visit_use): Handle .omp_data_i init conservatively.
 279         * cgraph.c (cgraph_node::release_body): Don't release offloadable
 280         functions.
 281
 282         * builtin-attrs.def (DOT_DOT_DOT_r_r_r): Add DEF_ATTR_FOR_STRING.
 283         (ATTR_FNSPEC_DOT_DOT_DOT_r_r_r_NOTHROW_LIST): Add
 284         DEF_ATTR_TREE_LIST.
 285         * omp-builtins.def (BUILT_IN_GOACC_KERNELS_INTERNAL): Add
 286         DEF_GOACC_BUILTIN_FNSPEC.
 287
 288         * builtins.def (DEF_GOACC_BUILTIN_FNSPEC): Define.
 289
 290 2015-03-21  Tom de Vries  <tom@codesourcery.com>
 291
 292         PR tree-optimization/65460
 293         * omp-low.c (expand_omp_target): Set parallelized_function on
 294         cgraph_node for child_fn.
 295
 296 2015-03-21  Tom de Vries  <tom@codesourcery.com>
 297
 298         backport from trunk:
 299         2015-03-21  Tom de Vries  <tom@codesourcery.com>
 300
 301         PR tree-optimization/65458
 302         * cgraph.c (cgraph_node::dump): Handle parallelized_function field.
 303         * cgraph.h (cgraph_node): Add parallelized_function field.
 304         * lto-cgraph.c (lto_output_node): Write parallelized_function field.
 305         (input_overwrite_node): Read parallelized_function field.
 306         * omp-low.c (expand_omp_taskreg, finalize_task_copyfn): Set
 307         parallelized_function on cgraph_node for child_fn.
 308         * tree-parloops.c: Add include of plugin-api.h, ipa-ref.h and cgraph.h.
 309         Remove include of gt-tree-parloops.h.
 310         (parallelized_functions): Remove static variable.
 311         (parallelized_function_p): Rewrite using parallelized_function field of
 312         cgraph_node.
 313         (create_loop_fn): Remove adding to parallelized_functions.
 314         * Makefile.in (GTFILES): Remove tree-parloops.c
 315
 316 2015-03-21  Tom de Vries  <tom@codesourcery.com>
 317
 318         backport from trunk:
 319         2015-03-18  Tom de Vries  <tom@codesourcery.com>
 320
 321         * tree-parloops.c (parallelize_loops): Make static.
 322         * tree-parloops.h (parallelize_loops): Remove extern declaration.
 323
 324 2015-01-13  Thomas Schwinge  <thomas@codesourcery.com>
 325
 326         * tree-core.h: Don't include "gomp-constants.h".
 327         (struct tree_omp_clause): Change type of map_kind member from enum
 328         gomp_map_kind to unsigned char.
 329         * tree.h (OMP_CLAUSE_MAP_KIND): Cast it to enum gomp_map_kind.
 330         (OMP_CLAUSE_SET_MAP_KIND): New macro.
 331         * gimplify.c (gimplify_adjust_omp_clauses_1)
 332         (gimplify_adjust_omp_clauses): Use OMP_CLAUSE_SET_MAP_KIND.
 333         * omp-low.c (oacc_initialize_reduction_data): Likewise.
 334         * tree-nested.c (convert_nonlocal_reference_stmt)
 335         (convert_local_reference_stmt, convert_gimple_call): Likewise.
 336         * tree-streamer-in.c (unpack_ts_omp_clause_value_fields):
 337         Likewise.
 338
 339         * lto-streamer-out.c: Include "gomp-constants.h".
 340         * tree-streamer-in.c: Likewise.
 341         * tree-streamer-out.c: Likewise.
 342
 343 2015-01-12  Thomas Schwinge  <thomas@codesourcery.com>
 344
 345         * tree-core.h (OMP_CLAUSE_MAP_ALLOC, OMP_CLAUSE_MAP_TO)
 346         (OMP_CLAUSE_MAP_FROM, OMP_CLAUSE_MAP_TOFROM)
 347         (OMP_CLAUSE_MAP_POINTER, OMP_CLAUSE_MAP_TO_PSET)
 348         (OMP_CLAUSE_MAP_FORCE_ALLOC, OMP_CLAUSE_MAP_FORCE_TO)
 349         (OMP_CLAUSE_MAP_FORCE_FROM, OMP_CLAUSE_MAP_FORCE_TOFROM)
 350         (OMP_CLAUSE_MAP_FORCE_PRESENT, OMP_CLAUSE_MAP_FORCE_DEALLOC)
 351         (OMP_CLAUSE_MAP_FORCE_DEVICEPTR, OMP_CLAUSE_MAP_LAST): Remove from
 352         enum omp_clause_map_kind.  Change all users to
 353         include/gomp-constants.h's enum gomp_map_kind.
 354         (enum omp_clause_map_kind): Remove.
 355
 356 2014-12-18  Thomas Schwinge  <thomas@codesourcery.com>
 357
 358         * builtins.c (expand_builtin_acc_on_device): Fix logic error.
 359
 360         * config/i386/intelmic-offload.h: New file.
 361         * config/nvptx/offload.h: Likewise.
 362         * config.gcc <*-intelmic-*, *-intelmicemul-*, nvptx-*>: Point to
 363         them via tm_file.
 364
 365 2014-12-18  Thomas Schwinge  <thomas@codesourcery.com>
 366             Jakub Jelinek  <jakub@redhat.com>
 367
 368         * builtins.c (expand_builtin_acc_on_device): Use
 369         do_compare_rtx_and_jump instead of emit_cmp_and_jump_insns.
 370
 371         * builtins.c (expand_builtin_acc_on_device): Make more RTXy.
 372
 373 2014-12-17  Thomas Schwinge  <thomas@codesourcery.com>
 374             Bernd Schmidt  <bernds@codesourcery.com>
 375
 376         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_AUTO, and
 377         OMP_CLAUSE_SEQ.
 378         * tree.c (omp_clause_num_ops, omp_clause_code_name, walk_tree_1):
 379         Update accordingly.
 380         * gimplify.c (gimplify_scan_omp_clauses)
 381         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_AUTO,
 382         OMP_CLAUSE_GANG, OMP_CLAUSE_SEQ, OMP_CLAUSE_VECTOR, and
 383         OMP_CLAUSE_WORKER.
 384         * tree-pretty-print.c (dump_omp_clause): Likewise.
 385         * omp-low.c (scan_sharing_clauses): Likewise.
 386         (struct omp_context): Add gwv_below, and gwv_this members.
 387         (enclosing_target_ctx, oacc_loop_or_target_p): New functions.
 388         (scan_omp_for, scan_omp_target): Use those.
 389
 390 2014-12-17  Thomas Schwinge  <thomas@codesourcery.com>
 391
 392         * tree-nested.c (convert_nonlocal_reference_stmt)
 393         (convert_local_reference_stmt, convert_tramp_reference_stmt)
 394         (convert_gimple_call) <GIMPLE_OMP_TARGET>: Use
 395         is_gimple_omp_offloaded.
 396
 397         * omp-low.c (lower_reduction_clauses): Simplify OpenACC handling.
 398
 399         * gimple.h: Rename is_gimple_omp_oacc_specifically to
 400         is_gimple_omp_oacc.  Update all users.
 401
 402         * gimplify.c (enum omp_region_type): Restore ORT_TARGET_DATA and
 403         ORT_TARGET.  Update all users.
 404
 405         * doc/generic.texi (OpenMP): Move OpenACC stuff into...
 406         (OpenACC): ... this new subsection.
 407
 408         * builtin-types.def: Remove BT_FN_VOID_INT_PTR_INT.
 409
 410         * oacc-builtins.def: Merge into omp-builtins.def.  Update all users.
 411
 412         * builtins.c (expand_builtin_acc_on_device): Use
 413         include/gomp-constants.h.
 414         * omp-low.c (expand_omp_target, oacc_process_reduction_data)
 415         (lower_omp_target): Likewise.
 416         * tree-core.h (enum omp_clause_map_kind): Likewise.
 417
 418         * omp-low.c (build_omp_regions_1, make_gimple_omp_edges): Simplify
 419         multi-line if conditions.
 420
 421 2014-12-10  Thomas Schwinge  <thomas@codesourcery.com>
 422
 423         * omp-low.c (scan_omp_target): Remove taskreg_nesting_level and
 424         target_nesting_level assertions.
 425         (check_omp_nesting_restrictions): Rework OpenACC constructs
 426         handling.  Update and extend the relevant test cases.
 427
 428 2014-12-10  Thomas Schwinge  <thomas@codesourcery.com>
 429             Bernd Schmidt  <bernds@codesourcery.com>
 430
 431         * gimple.def (GIMPLE_OACC_KERNELS, GIMPLE_OACC_PARALLEL): Merge
 432         into GIMPLE_OMP_TARGET.  Update all users.
 433
 434 2014-12-10  Thomas Schwinge  <thomas@codesourcery.com>
 435
 436         * cgraphbuild.c (pass_build_cgraph_edges::execute): Remove
 437         handling of GIMPLE_OACC_PARALLEL.
 438         * gimple-pretty-print.c (dump_gimple_omp_target): Dump a bit more
 439         data, pretty-printing.
 440
 441         * omp-low.c (build_omp_regions_1, make_gimple_omp_edges)
 442         <GIMPLE_OMP_TARGET>: Handle
 443         GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA the same as
 444         GF_OMP_TARGET_KIND_OACC_UPDATE.
 445
 446 2014-11-13  Cesar Philippidis  <cesar@codesourcery.com>
 447
 448         * omp-low.c (oacc_get_reduction_array_id): Fix whitespace.
 449
 450 2014-11-13  Cesar Philippidis  <cesar@codesourcery.com>
 451
 452         * omp-low.c (omp_get_id): Rename to...
 453         (oacc_get_reduction_array_id): ... this.
 454         (lookup_oacc_reduction): ... this.
 455         (lookup_reduction): Rename to...
 456         (maybe_lookup_reduction): Rename to...
 457         (maybe_lookup_oacc_reduction): ... this.
 458         (scan_sharing_clauses): Update calls to renamed fns.
 459         (lower_reduction_var_helper): Rename to...
 460         (oacc_lower_reduction_var_helper): ... this.
 461         (lower_reduction_clauses): Rename to...
 462         (oacc_lower_reduction_clauses): ... this.
 463         (omp_gimple_assign_with_ops): Rename to...
 464         (oacc_gimple_assign_with_ops): ... this.
 465         (initialize_reduction_data): Rename to ...
 466         (oacc_initialize_reduction_data): ... this.
 467         (finalize_reduction_data): Rename to...
 468         (oacc_finalize_reduction_data): ... this.
 469         (process_reduction_data): Rename to...
 470         (oacc_process_reduction_data): ... this.
 471         (lower_omp_target): Update calls to renamed fns.
 472
 473 2014-11-13  Thomas Schwinge  <thomas@codesourcery.com>
 474
 475         * gimplify.c (gimplify_omp_workshare) <OACC_DATA, OACC_KERNELS,
 476         OACC_PARALLEL>: Don't request ORT_TARGET_MAP_FORCE.
 477         (enum gimplify_omp_var_data, enum omp_region_type): Remove
 478         GOVD_MAP_FORCE, and ORT_TARGET_MAP_FORCE, respectively.  Update
 479         all users.
 480
 481         * omp-low.c (scan_sharing_clauses) <OMP_CLAUSE_MAP>: Revert
 482         earlier change.
 483
 484 2014-11-12  Cesar Philippidis  <cesar@codesourcery.com>
 485
 486         * tree.c (omp_clause_code_name): Add missing comma
 487         after "_Cilk_for_count_".
 488
 489 2014-11-12  Thomas Schwinge  <thomas@codesourcery.com>
 490
 491         * gimplify.c (gimplify_omp_for): Eliminate govd_private; always
 492         use GOVD_PRIVATE.
 493
 494         * omp-low.c (scan_oacc_offload, expand_oacc_offload)
 495         (lower_oacc_offload): Merge into scan_omp_target,
 496         expand_omp_target, lower_omp_target, respectively.  Update all
 497         users.
 498
 499 2014-11-11  Thomas Schwinge  <thomas@codesourcery.com>
 500
 501         * omp-low.c (scan_sharing_clauses): Remove bogus assertion.
 502
 503         * omp-low.c (delete_omp_context): Dispose of reduction_map.
 504
 505         * omp-low.c (maybe_lookup_reduction): Don't require an OpenACC
 506         context.
 507         (lower_oacc_offload): Simplify use of maybe_lookup_reduction.
 508
 509         * omp-low.c (lower_omp_target): Restore two gcc_asserts.
 510
 511 2014-11-06  Thomas Schwinge  <thomas@codesourcery.com>
 512
 513         * gimple.h (is_gimple_omp_oacc_specifically): Return true for
 514         GIMPLE_OMP_TARGET's GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA.
 515
 516         * omp-low.c (lower_reduction_clauses): Initialize tid.
 517
 518 2014-11-05  Thomas Schwinge  <thomas@codesourcery.com>
 519
 520         * tree-core.h (enum omp_clause_code): Remove OMP_CLAUSE_HOST and
 521         OMP_CLAUSE_OACC_DEVICE.  Update all users.
 522
 523         * gimplify.c (gimplify_oacc_cache): New function.
 524         (gimplify_expr): Use it for OACC_CACHE.
 525         (gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses): Handle
 526         OMP_CLAUSE__CACHE_.
 527
 528         * tree-core.h (enum omp_clause_code): Move OMP_NO_CLAUSE_CACHE
 529         next to, and handle it like a data clause.  Rename it to
 530         OMP_CLAUSE__CACHE_.  Update all users.
 531
 532         * invoke.texi: Update for OpenACC.
 533         * sourcebuild.texi: Likewise.
 534
 535         * tree.def (OACC_WAIT): Remove.  Update all users.
 536
 537         * omp-builtins.def (BUILT_IN_OMP_SET_NUM_THREADS): Remove.
 538
 539 2014-11-03  Cesar Philippidis  <cesar@codesourcery.com>
 540
 541         * builtins.def (DEF_GOACC_BUILTIN): Revert erroneous checkin.
 542
 543 2014-11-03  Cesar Philippidis  <cesar@codesourcery.com>
 544
 545         * oacc-builtins.def (BUILT_IN_GOACC_GET_NUM_THREADS): New built-in
 546         function.
 547         (BUILT_IN_ACC_GET_DEVICE_TYPE): Likewise.
 548         * omp-low.c (oacc_max_threads): New function.
 549         (lower_reduction_clauses): Use the GOACC thread builtin functions to
 550         determine the thread count. Handle multiple reduction variables.
 551         (expand_omp_for_static_nochunk): Likewise.
 552         (expand_omp_for_static_chunk): Likewise.
 553         (finalize_reduction_data): General cleanups.
 554         (process_reduction_data): Use acc_get_device_type to determine nthreads
 555         at runtime.
 556
 557 2014-11-03  Cesar Philippidis  <cesar@codesourcery.com>
 558
 559         * gimple.h (enum gf_mask): Add GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA.
 560         * gimple-pretty-print.c (dump_gimple_omp_target): Handle it.
 561         * gimplify.c (gimplify_scan_omp_clauses): Remove switch stmt which
 562         declared OMP_CLAUSE_MAP_FORCE_DEALLOC as unimplemented.
 563         (gimplify_omp_target_update): Handle OACC_ENTER_DATA and
 564         OACC_EXIT_DATA.
 565         (gimplify_expr): Shuffle around OACC_ENTER_DATA, OACC_EXIT_DATA and
 566         OACC_WAIT.
 567         * oacc-builtins.def (BUILD_INT_GOACC_ENTER_EXIT_DATA): New built-in
 568         function.
 569         * omp-low.c (expand_omp_target): Handle
 570         GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA. Don't use quick_push when
 571         there is an unknown number of wait args.
 572         (lower_omp_target): Handle GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA.
 573
 574 2014-10-24  James Norris  <jnorris@codesourcery.com>
 575
 576         * builtin-types.def (BT_FN_VOID_INT_INT_VAR,
 577         BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT_INT_INT_VAR,
 578         BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR_INT_INT_VAR): Add.
 579         (BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT): Remove.
 580         * c-family/c-common.c (enum c_builtin_type, c_define_builtins): Remove
 581         unused FUNCTION_TYPE_10. Add new FUNCTION_TYPE_VAR_8 and
 582         FUNCTION_TYPE_VAR_12.
 583         * c-family/c-pragma.c (oacc_pragmas): Add entry for wait directive.
 584         * c/c-parser.c (c_parser_omp_clause_name): Add handling of wait and
 585         async clauses.
 586         (c_parser_oacc_wait_list, c_parser_oacc_clause_async,
 587         c_parser_oacc_clause_wait): New.
 588         (c_parser_oacc_all_clauses): Handle async and wait clauses.
 589         (OACC_KERNELS_CLAUSE_MASK, OACC_PARALLEL_CLAUSE_MASK,
 590         OACC_UPDATE_CLAUSE_MASK): Add async and wait clauses.
 591         (OACC_WAIT_CLAUSE_MASK): New.
 592         (c_parser_oacc_wait): New.
 593         (c_parser_omp_construct): Handle wait directive.
 594         * c/c-typeck.c (c_finish_omp_clauses): Handle async and wait clauses.
 595         * fortran/f95-lang.c (gfc_init_builtin_functions): Remove unused
 596         FUNCTION_TYPE_10. Add new FUNCTION_TYPE_VAR_2, FUNCTION_TYPE_VAR_8,
 597         and FUNCTION_TYPE_VAR_12.
 598         * fortran/types.def (BT_FN_VOID_INT_INT_VAR,
 599         BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT_INT_INT_VAR,
 600         BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR_INT_INT_VAR): Add.
 601         (BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT): Remove.
 602         * lto/lto-lang.c (enum lto_builtin_type, lto_define_builtins): Remove
 603         unsigned FUNCTION_TYPE_10. Add new FUNCTION_TYPE_VAR_8 and
 604         FUNCTION_TYPE_VAR_12.
 605         * oacc-builtins.def (BUILT_IN_GOACC_KERNELS BUILT_IN_GOACC_PARALLEL,
 606         BUILT_IN_GOACC_UPDATE, BUILT_IN_GOACC_WAIT): Change type.
 607         * omp-low.c (scan_sharing_clauses): Handle async and wait clauses.
 608         (expand_oacc_offload): Lower kernel directive and async and wait
 609         clauses.
 610
 611 2014-10-23  Thomas Schwinge  <thomas@codesourcery.com>
 612
 613         * omp-low.c (finalize_reduction_data): Don't skip the reduction
 614         variable's original value.
 615
 616 2014-10-20  Cesar Philippidis  <cesar@codesourcery.com>
 617
 618         * gimplify.c (gimplify_scan_omp_clauses): Remove switch stmt which
 619         declared OMP_CLAUSE_MAP_FORCE_DEALLOC as unimplemented.
 620         (gimplify_expr): Remove OACC_WAIT, since it handled directly by the
 621         front ends.
 622
 623 2014-10-15  James Norris  <jnorris@codesourcery.com>
 624
 625         * builtin-types.def (BT_FN_VOID_INT_PTR_INT): New type.
 626         * oacc-builtins.def (BUILT_IN_GOACC_WAIT): New builtin.
 627
 628 2014-10-09  Thomas Schwinge  <thomas@codesourcery.com>
 629
 630         * omp-low.c (process_reduction_data): Initialize variable inner.
 631
 632 2014-10-08  Cesar Philippidis  <cesar@codesourcery.com>
 633
 634         * omp-low.c (lower_reduction_clauses): Clarify comment.
 635         (process_reduction_data): Scan for nonempty bind statements at
 636         the beginning of parallel blocks.
 637
 638 2014-09-23  Thomas Schwinge  <thomas@codesourcery.com>
 639
 640         * builtins.def (DEF_GOACC_BUILTIN_COMPILER): New macro.
 641         * oacc-builtins.def (BUILT_IN_GOACC_UPDATE): New builtin.
 642         * builtins.c (expand_builtin_acc_on_device): New function.
 643         (expand_builtin): Use it to handle BUILT_IN_ACC_ON_DEVICE.
 644         (is_inexpensive_builtin): Handle BUILT_IN_ACC_ON_DEVICE.
 645
 646 2014-09-08  Thomas Schwinge  <thomas@codesourcery.com>
 647
 648         * configure.ac (offload_targets): Remove.
 649         * configure: Regenerate.
 650
 651 2014-09-05  Bernd Schmidt  <bernds@codesourcery.com>
 652
 653         * configure.ac (enable-accelerator): Remove option.
 654         (enable_accelerator): Don't subst.
 655         * configure: Regenerate.
 656
 657 2014-09-03  Thomas Schwinge  <thomas@codesourcery.com>
 658
 659         * omp-low.c (expand_oacc_offload): Add child_fn to offload_funcs.
 660
 661 2014-08-19  Ilya Verbin  <ilya.verbin@intel.com>
 662
 663         * Makefile.in (GTFILES): Add omp-low.h.
 664         * cgraphunit.c: Include omp-low.h.
 665         (init_offload_var_table): New function.
 666         (ipa_passes): Run ipa_write_summaries for target only when
 667         offload_funcs or offload_vars is not empty.
 668         * gengtype.c (ifiles): Add omp-low.h.
 669         * lto/lto.c (read_cgraph_and_symbols): Call input_offload_tables.
 670         * lto-cgraph.c: Include omp-low.h.
 671         (output_offload_tables): New function.
 672         (input_offload_tables): Likewise.
 673         * lto-section-in.c (lto_section_name): Add offload_table.
 674         * lto-streamer-out.c (lto_output): Call output_offload_tables.
 675         * lto-streamer.h: Declare output_offload_tables
 676         and input_offload_tables.
 677         (lto_section_type): Add LTO_section_offload_table.
 678         * omp-low.c: Define offload_funcs and offload_vars.
 679         (expand_omp_target): Add child_fn to offload_funcs.
 680         (omp_finish_file): Remove obsolete code.
 681         * omp-low.h: Declare offload_funcs and offload_vars.
 682
 683 2014-08-04  Bernd Schmidt  <bernds@codesourcery.com>
 684
 685         * Makefile.in (tool_prefix): Remove.
 686         (unlibsubdir): Change depending on enable_as_accelerator.
 687         (GCC_TARGET_INSTALL_NAME): Revert previous change.
 688         (install_driver): Rework offloading changes.
 689         * configure.ac (tool_prefix): Remove.
 690         (enable-as-accelerator-for): Don't require --enable-as-accelerator.
 691         Update the program_transform_name.
 692         (offload_targets): Add 'g' modifier to sed script.
 693         * configure: Regenerate.
 694
 695 2014-07-28  Cesar Philippidis  <cesar@codesourcery.com>
 696
 697         * omp-low.c (get_base_type): New function.
 698         (scan_sharing_clauses): Replace TREE_TYPE with get_base_type.
 699         (lower_reduction_clauses): Use it.
 700         (initialize_reduction_data): Likewise.
 701         (finalize_reduction_data): Likewise. Remove new_var.
 702
 703 2014-07-28  Tom de Vries  <tom@codesourcery.com>
 704
 705         * omp-low.c (process_reduction_data): Remove unused variables.
 706
 707 2014-07-24  Thomas Schwinge  <thomas@codesourcery.com>
 708
 709         * omp-low.c (extract_omp_for_data): Force OpenACC loop to use a
 710         chunk size of one.
 711
 712         * omp-low.c (expand_omp_for_static_chunk): Merge changes
 713         previously applied to expand_omp_for_static_nochunk.
 714
 715 2014-07-14  Cesar Philippidis  <cesar@codesourcery.com>
 716
 717         * omp-low.c (extract_omp_for_data): Likewise.
 718         (expand_omp_for_static_nochunk): Likewise.
 719
 720 2014-07-14  Cesar Philippidis  <cesar@codesourcery.com>
 721
 722         * omp-low.c (process_reduction_data): Check for new
 723         binding level and skip for-loops which don't have a
 724         reduction clause.
 725
 726 2014-07-08  Cesar Philippidis  <cesar@codesourcery.com>
 727             Thomas Schwinge  <thomas@codesourcery.com>
 728
 729         * omp-low.c (omp_get_id): New function.
 730         (lookup_reduction): New function.
 731         (maybe_lookup_reduction): New function.
 732         (build_outer_var_ref): Remove openacc assert.
 733         (new_omp_context): Preserve ctx->reduction_map.
 734         (scan_sharing_clauses): Handle OMP_CLAUSE_REDUCTION.
 735         (scan_oacc_offload): Initialize ctx->reduction_map.
 736         (lower_reduction_clauses): Handle OpenACC reductions.
 737         (omp_gimple_assign_with_ops): New function.
 738         (initialize_reduction_data): New function.
 739         (finalize_reduction_data): New function.
 740         (process_reduction_data): New function.
 741         (lower_oacc_offload): Handle reductions.
 742         * gcc/omp-builtins.def (BUILT_IN_OMP_SET_NUM_THREADS): New.
 743
 744 2014-06-13  Thomas Schwinge  <thomas@codesourcery.com>
 745             Ilmir Usmanov  <i.usmanov@samsung.com>
 746
 747         * tree-pretty-print.c (dump_omp_clause): Instead of
 748         OMP_CLAUSE_DECL, use more specific accessors for some clauses.
 749
 750 2014-06-13  Thomas Schwinge  <thomas@codesourcery.com>
 751             Cesar Philippidis  <cesar@codesourcery.com>
 752
 753         * omp-low.c (extract_omp_for_data, scan_sharing_clauses): For
 754         OpenACC directives, the collapse(1) clause is supported.
 755
 756 2014-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 757
 758         * omp-low.c (scan_sharing_clauses): Preliminary support for
 759         OMP_CLAUSE_PRIVATE for OpenACC.
 760
 761         * omp-low.c (scan_sharing_clauses): For clauses currently not
 762         supported with OpenACC directives, emit a sorry message instead of
 763         aborting.
 764
 765 2014-06-12  Thomas Schwinge  <thomas@codesourcery.com>
 766             James Norris  <jnorris@codesourcery.com>
 767
 768         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_IF.
 769         (expand_oacc_offload, expand_omp_target): Handle it.
 770
 771 2014-06-06  Thomas Schwinge  <thomas@codesourcery.com>
 772             James Norris  <jnorris@codesourcery.com>
 773
 774         * gimple.h (enum gf_mask): Add GF_OMP_TARGET_KIND_OACC_UPDATE, and
 775         extend mask size, GF_OMP_TARGET_KIND_MASK.
 776         (is_gimple_omp_oacc_specifically): Handle
 777         GF_OMP_TARGET_KIND_OACC_UPDATE.
 778         * gimplify.c (gimplify_omp_target_update, gimplify_expr):
 779         Likewise.
 780         * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
 781         * omp-low.c (scan_omp_target, expand_omp_target)
 782         (build_omp_regions_1, lower_omp_target, lower_omp_1)
 783         (make_gimple_omp_edges): Likewise.
 784         * oacc-builtins.def (BUILT_IN_GOACC_UPDATE): New builtin.
 785
 786 2014-06-05  Thomas Schwinge  <thomas@codesourcery.com>
 787
 788         * gimplify.c (gimplify_scan_omp_clauses)
 789         (gimplify_adjust_omp_clauses): Handle
 790         OMP_CLAUSE_MAP_FORCE_DEVICEPTR.
 791         * omp-low.c (scan_sharing_clauses, lower_oacc_offload)
 792         (lower_omp_target): Likewise.
 793         * tree-core.h (enum omp_clause_map_kind)
 794         <OMP_CLAUSE_MAP_FORCE_DEVICEPTR>: Update comment.
 795
 796         * gimplify.c (gimplify_scan_omp_clauses) <case OMP_CLAUSE_MAP>:
 797         Don't block OMP_CLAUSE_MAP_FORCE_PRESENT.
 798
 799 2014-06-04  Thomas Schwinge  <thomas@codesourcery.com>
 800
 801         * cgraphunit.c (ipa_passes, compile): Handle flag_openacc next to
 802         flag_openmp.
 803         * ipa-inline-analysis.c (inline_generate_summary): Likewise.
 804         * lto-streamer.c (lto_streamer_init, gate_lto_out): Likewise.
 805         * passes.c (ipa_write_summaries): Likewise.
 806
 807 2014-05-12  Bernd Schmidt  <bernds@codesourcery.com>
 808
 809         * lto-wrapper.c (ompbegin): New static variable.
 810         (find_ompbeginend): Renamed from find_ompend.  Also look for
 811         crtompbegin.o.
 812         (run_gcc): Also use ompbegin.
 813
 814 2014-05-08  Thomas Schwinge  <thomas@codesourcery.com>
 815
 816         * omp-low.c (get_offload_symbol_decl): Mark __OPENMP_TARGET__ as
 817         addressable.
 818
 819 2014-04-04  Bernd Schmidt  <bernds@codesourcery.com>
 820
 821         * lto-wrapper.c (replace_special_characters): Remove functions and
 822         all calls to it.
 823
 824         * lto-section-names.h (OFFLOAD_VAR_TABLE_SECTION_NAME,
 825         OFFLOAD_FUNC_TABLE_SECTION_NAME): Define.
 826         * lto-wrapper.c (OFFLOAD_FUNC_TABLE_SECTION_NAME): Don't define.
 827         (ompend): New static variable.
 828         (copy_file, find_ompend): New static functions.
 829         (run_gcc): Call find_ompend if we have offload images.  Add its
 830         return value to the output.
 831         * omp-low.c: Include "lto-section-names.h".
 832         (omp_finish_file): Initialize section names from macros defined there.
 833
 834         * omp-low.c (offload_symbol_decl): New static variable.
 835         (get_offload_symbol_decl): New static function.
 836         (expand_oacc_offload, expand_omp_target): Use it.
 837
 838 2014-04-02  Thomas Schwinge  <thomas@codesourcery.com>
 839
 840         * omp-low.c (omp_finish_file): Use num_vars instead of num_funcs
 841         when recording offload symbols v_vars.
 842
 843         * omp-low.c (expand_oacc_offload): Handle __OPENMP_TARGET__
 844         symbol.
 845
 846 2014-03-20  Bernd Schmidt  <bernds@codesourcery.com>
 847
 848         Mostly by Michael Zolotukhin:
 849         * lto-wrapper.c (OFFLOAD_FUNC_TABLE_SECTION_NAME,
 850         OFFLOAD_TARGET_NAMES_ENV): New defines.
 851         (offload_names): New static variable.
 852         (free_array_of_ptrs, parse_env_var, access_check,
 853         prepare_target_image, replace_special_characters,
 854         compile_images_for_openmp_targets): New static functions.
 855         (run_gcc): Determine whether offload sections are present.  If so,
 856         run compile_images_for_openmp_targets and print the image names.
 857
 858         * Makefile.in (COLLECT2_OBJS): Add collect-utils.o.
 859         (LTO_WRAPPER_OBJS): New variable.
 860         (lto-wrapper$(exeext)): Use it.
 861         * collect2.c: Include "collect-utils.h".
 862         (vflag, debug): Remove variables.  Rename all uses of vflag to
 863         verbose.
 864         (at_file_supplied): No longer static.
 865         (tool_name): New variable.
 866         (do_wait, fork_execute, maybe_unlink): Don't declare.
 867         (tool_cleanup): Renamed from collect_atexit.  New arg from_signal.
 868         (collect_atexit): New static function.
 869         (notice): Remove function.
 870         (handler): Just call tool_cleanup.
 871         (maybe_run_lto_and_relink, main, do_dsymutil): Add new arg to
 872         fork_execute calls.
 873         (collect_wait, do_wait, collect_execute): Remove functions.
 874         (maybe_unlink): No longer static.
 875         * collect2.h (vflag, debug): Don't declare.
 876         (at_file_supplied): Declare.
 877         * collect-utils.c (utils_cleanup): New arg from_signal.  All callers
 878         changed.
 879         (collect_execute): Replace with implementation from collect2, plus a
 880         new arg use_atfile.  All callers changed.
 881         (collect_wait): Replace with implementation from collect2.
 882         (maybe_unlink_file): Remove function.
 883         (fork_execute): Replace with implementation from collect2, plus a
 884         new arg use_atfile.  All callers changed.
 885         (do_wait): Add call to utils_cleanup to the error path.
 886         * collect-utils.h (collect_execute, fork_execute, utils_cleanup,
 887         tool_cleanup): Adjust declarations.
 888         * lto-wrapper.c (tool_cleanup): Add unused bool argument.
 889         * tlink.c: Include "collect-utils.h".
 890         (tlink_execute): New arg use_atfile.  All callers changed.
 891         (tlink_init, tlink_execute): Remove declarations.
 892
 893         * Makefile.in (ALL_HOST_BACKEND_OBJS): Add collect-utils.o.
 894         (lto-wrapper$(exeext)): Link with collect-utils.o.
 895         * collect-utils.c: New file.
 896         * collect-utils.h: New file.
 897         * lto-wrapper.c: Include "collect-utils.h".
 898         (args_name): Delete variable.
 899         (tool_name): New variable.
 900         (tool_cleanup): New function.
 901         (maybe_unlink): Renamed from maybe_unlink_file.  All callers changed.
 902         (lto_wrapper_cleanup, fatal_signal, fatal, fatal_perror,
 903         collect_execute, collect_wait, fork_execute): Remove functions.
 904
 905         Mostly by Michael Zolotukhin:
 906         * omp-low.c: Include "common/common-target.h".
 907         (expand_omp_target): Pass in address of __OPENMP_TARGET__.
 908         (add_decls_addresses_to_decl_constructor, omp_finish_file): New
 909         functions.
 910         * omp-low.h (omp_finish_file): Declare.
 911         * toplev.c: Include "omp-low.h".
 912         (compile_file): Call omp_finish_file.
 913         * target.def (record_offload_symbol): New hook.
 914         * doc/tm.texi.in (TARGET_RECORD_OFFLOAD_SYMBOL): Add.
 915         * doc/tm.texi: Regenerate.
 916         * configure.ac (ENABLE_OFFLOADING): Define if we have offload_targets.
 917         * configure: Regenerate.
 918         * config.in: Regenerate.
 919
 920         * config/darwin.c: Include "lto-section-names.h".
 921         (LTO_SEGMENT_NAME): Don't define.
 922         * config/i386/winnt.c: Include "lto-section-names.h".
 923         * lto-streamer.c: Include "lto-section-names.h".
 924         * lto-streamer.h (LTO_SECTION_NAME_PREFIX, OMP_SECTION_NAME_PREFIX):
 925         Don't define.
 926         (section_name_prefix): Don't declare.
 927         * lto-wrapper.c: Include "lto-section-names.h".
 928         (LTO_SECTION_NAME_PREFIX): Don't define.
 929         * lto-section-names.h: New file.
 930         * cgraphunit.c: Include "lto-section-names.h".
 931
 932         * configure.ac (real_target_noncanonical, tool_prefix,
 933         accel_dir_suffix, offload_targets): Compute new variables.
 934         (--enable-as-accelerator-for, --enable-as-accelerator,
 935         --enable-offload-targets): New options.
 936         * configure: Regenerate.
 937         * config.in: Regenerate.
 938         * Makefile.in (real_target_noncanonical, tool_prefix,
 939         accel_dir_suffix, enable_as_accelerator): New variables substituted
 940         by configure.
 941         (libsubdir, libexecsubdir, GCC_TARGET_INSTALL_NAME): Tweak for the
 942         possibility of being configured as an offload compiler.
 943         (install_driver): Likewise.
 944         (DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and
 945         ACCEL_DIR_SUFFIX.
 946         * gcc.c (spec_host_machine, accel_dir_suffix): New variables.
 947         (process_command): Tweak path construction for the possibility
 948         of being configured as an offload compiler.
 949         (main): Likewise. Look up specs in just_machine_suffix only if not
 950         ACCEL_COMPILER.  Construct OFFLOAD_TARGET_NAMES environment variable
 951         if we have OFFLOAD_TARGETS.
 952
 953 2014-03-20  Thomas Schwinge  <thomas@codesourcery.com>
 954
 955         * gimple.h (enum gf_mask): Add GF_OMP_FOR_KIND_OACC_LOOP.
 956         (is_gimple_omp_oacc_specifically): Handle it.
 957         * gimple-pretty-print.c (dump_gimple_omp_for): Likewise.
 958         * gimple.def (GIMPLE_OMP_FOR): Update for OpenACC loop.
 959         * gimple.c (gimple_build_omp_for): Don't explicitly mention some
 960         clauses.
 961         (gimple_copy) <GIMPLE_OMP_FOR>: Handle GF_OMP_FOR_KIND_OACC_LOOP.
 962         * omp-low.c (extract_omp_for_data, scan_sharing_clauses)
 963         (check_omp_nesting_restrictions, lower_rec_input_clauses)
 964         (lower_lastprivate_clauses, lower_reduction_clauses)
 965         (expand_omp_for_generic, expand_omp_for_static_nochunk)
 966         (expand_omp_for_static_chunk, maybe_add_implicit_barrier_cancel)
 967         (lower_omp_for): Likewise.
 968         * tree-inline.c (remap_gimple_stmt): Likewise.
 969         * tree-nested.c (walk_gimple_omp_for)
 970         (convert_nonlocal_reference_stmt, convert_local_reference_stmt)
 971         (convert_gimple_call): Likewise.
 972         * doc/gimple.texi (GIMPLE_OMP_FOR): Don't explicitly mention some
 973         clauses.
 974         * gimplify.c (gimplify_omp_for, gimplify_expr): Handle OACC_LOOP.
 975
 976         * tree.def (OACC_LOOP): Sort after OMP_DISTRIBUTE.
 977         * tree.h (OMP_LOOP_CHECK): Update accordingly.
 978         * gimplify.c (is_gimple_stmt): Sort OACC_LOOP after
 979         OMP_DISTRIBUTE.
 980         * tree-pretty-print.c (dump_generic_node): Likewise.
 981         * doc/generic.texi (OACC_LOOP): Sort after OACC_HOST_DATA.
 982         (OMP_FOR): Fix and extend for OACC_LOOP.
 983
 984         * gimple.h (enum gf_mask): Add and use GF_OMP_FOR_SIMD.
 985         * omp-low.c: Update accordingly.
 986
 987         * gimple.h (enum gf_mask): Rewrite "<< 0" shift expressions used
 988         for GF_OMP_FOR_KIND_MASK, GF_OMP_FOR_KIND_FOR,
 989         GF_OMP_FOR_KIND_DISTRIBUTE, GF_OMP_FOR_KIND_SIMD,
 990         GF_OMP_FOR_KIND_CILKSIMD, GF_OMP_TARGET_KIND_MASK,
 991         GF_OMP_TARGET_KIND_REGION, GF_OMP_TARGET_KIND_DATA,
 992         GF_OMP_TARGET_KIND_UPDATE, GF_OMP_TARGET_KIND_OACC_DATA.
 993
 994         * omp-low.c (check_omp_nesting_restrictions): Allow nesting of
 995         OpenACC constructs inside of OpenACC data constructs.
 996
 997 2014-03-18  Ilmir Usmanov  <i.usmanov@samsung.com>
 998
 999         * tree.def (OACC_LOOP): New tree code.
1000         * tree-pretty-print.c (dump_generic_node): Show it.
1001         * tree.h (OACC_KERNELS_COMBINED, OACC_PARALLEL_COMBINED): New macros.
1002         * doc/generic.texi: Document loop directive.
1003         * gimplify.c (is_gimple_stmt, gimplify_expr): Stub gimplification of
1004         loop directive and combined directives.
1005
1006 2014-03-18  Thomas Schwinge  <thomas@codesourcery.com>
1007
1008         * builtin-types.def
1009         (BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT): New type.
1010         * oacc-builtins.def (BUILT_IN_GOACC_KERNELS)
1011         (BUILT_IN_GOACC_PARALLEL): Switch to that one.
1012         * gimplify.c (gimplify_scan_omp_clauses)
1013         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_NUM_GANGS,
1014         OMP_CLAUSE_NUM_WORKERS, OMP_CLAUSE_VECTOR_LENGTH.
1015         * omp-low.c (scan_sharing_clauses, expand_oacc_offload): Likewise.
1016
1017 2014-03-13  Thomas Schwinge  <thomas@codesourcery.com>
1018
1019         * tree.h (OMP_CLAUSE_VECTOR_EXPR): Check for OMP_CLAUSE_VECTOR
1020         instead of OMP_CLAUSE_VECTOR_LENGTH.
1021         (OMP_WAIT_EXPR): Rename to OMP_CLAUSE_WAIT_EXPR.  Change
1022         all users.
1023
1024 2014-03-13  Thomas Schwinge  <thomas@codesourcery.com>
1025
1026         * omp-low.c (create_omp_child_function): Use
1027         is_gimple_omp_offloaded when looking for offloaded regions.
1028
1029 2014-03-12  Thomas Schwinge  <thomas@codesourcery.com>
1030
1031         * omp-low.c (scan_sharing_clauses): Move offloaded logic into...
1032         * gimple.h (is_gimple_omp_offloaded): ... this new static inline
1033         function.
1034
1035 2014-02-28  Thomas Schwinge  <thomas@codesourcery.com>
1036
1037         * gimple.def (GIMPLE_OACC_KERNELS): New code.
1038         * doc/gimple.texi: Document it.
1039         * gimple.h (gimple_has_substatements, CASE_GIMPLE_OMP)
1040         (is_gimple_omp_oacc_specifically): Handle it.
1041         (gimple_statement_oacc_kernels): New struct.
1042         (gimple_build_oacc_kernels): New prototype.
1043         (gimple_oacc_kernels_clauses, gimple_oacc_kernels_clauses_ptr)
1044         (gimple_oacc_kernels_set_clauses, gimple_oacc_kernels_child_fn)
1045         (gimple_oacc_kernels_child_fn_ptr)
1046         (gimple_oacc_kernels_set_child_fn, gimple_oacc_kernels_data_arg)
1047         (gimple_oacc_kernels_data_arg_ptr)
1048         (gimple_oacc_kernels_set_data_arg): New inline functions.
1049         * gimple.c (gimple_build_oacc_kernels): New function.
1050         (gimple_copy): Handle GIMPLE_OACC_KERNELS.
1051         * gimple-low.c (lower_stmt): Likewise.
1052         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
1053         * gimple-pretty-print.c (pp_gimple_stmt_1): Likewise.
1054         (dump_gimple_oacc_parallel): Rename to dump_gimple_oacc_offload.
1055         Also handle GIMPLE_OACC_KERNELS.  Update all callers.
1056         * gimplify.c (gimplify_omp_workshare, gimplify_expr): Handle
1057         OACC_KERNELS.
1058         * oacc-builtins.def (BUILT_IN_GOACC_KERNELS): New builtin.
1059         * omp-low.c (scan_oacc_parallel, expand_oacc_parallel)
1060         (lower_oacc_parallel): Rename to scan_oacc_offload,
1061         expand_oacc_offload, and lower_oacc_offload.  Also handle
1062         GIMPLE_OACC_KERNELS.  Update all callers.
1063         (scan_sharing_clauses, scan_omp_1_stmt, expand_omp, lower_omp_1)
1064         (diagnose_sb_0, diagnose_sb_1, diagnose_sb_2)
1065         (make_gimple_omp_edges): Handle GIMPLE_OACC_KERNELS.
1066         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
1067         * tree-nested.c (convert_nonlocal_reference_stmt)
1068         (convert_local_reference_stmt, convert_tramp_reference_stmt)
1069         (convert_gimple_call): Likewise.
1070
1071 2014-02-27  Thomas Schwinge  <thomas@codesourcery.com>
1072
1073         * gimplify.c (gimplify_oacc_parallel): Merge into
1074         gimplify_omp_workshare.  Update all callers.
1075
1076 2014-02-27  Ilmir Usmanov  <i.usmanov@samsung.com>
1077
1078         Fix OpenACC ASYNC clause: it cannot contain integer-expression-list.
1079
1080         gcc/
1081         * tree.h (OMP_CLAUSE_ASYNC_EXPR): Reorder.
1082         * tree.c (omp_clause_num_ops, omp_clause_code_name): Reorder clauses.
1083         * tree-core.h (enum omp_clause_code): Likewise.
1084         * omp-low.c (scan_sharing_clauses): Likewise.
1085         * gimplify.c (gimplify_scan_omp_clauses): Likewise.
1086
1087 2014-02-21  Thomas Schwinge  <thomas@codesourcery.com>
1088
1089         * gimple.h (enum gf_mask): Add GF_OMP_TARGET_KIND_OACC_DATA.
1090         (is_gimple_omp_oacc_specifically): Handle it.
1091         * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
1092         * gimplify.c (gimplify_omp_workshare, gimplify_expr): Likewise.
1093         * omp-low.c (scan_sharing_clauses, scan_omp_target)
1094         (expand_omp_target, lower_omp_target, lower_omp_1): Likewise.
1095         * gimple.def (GIMPLE_OMP_TARGET): Update comment.
1096         * gimple.c (gimple_build_omp_target): Likewise.
1097         (gimple_copy): Catch unimplemented case.
1098         * tree-inline.c (remap_gimple_stmt): Likewise.
1099         * tree-nested.c (convert_nonlocal_reference_stmt)
1100         (convert_local_reference_stmt, convert_gimple_call): Likewise.
1101         * oacc-builtins.def (BUILT_IN_GOACC_DATA_START)
1102         (BUILT_IN_GOACC_DATA_END): New builtins.
1103
1104         * omp-low.c (scan_sharing_clauses): Catch unexpected occurrences
1105         of OMP_CLAUSE_TO, OMP_CLAUSE_FROM, OMP_CLAUSE_MAP.
1106
1107         * gimplify.c (enum omp_region_type): Make ORT_TARGET_OFFLOAD a
1108         flag for ORT_TARGET, in its negation replacing ORT_TARGET_DATA.
1109         Update all users.
1110
1111         * omp-low.c (gimple_code_is_oacc): Move to...
1112         * gimple.h (is_gimple_omp_oacc_specifically): ... here.  Update
1113         users, and also use it in more places where currently we've only
1114         been checking for GIMPLE_OACC_PARALLEL.
1115
1116 2014-02-18  Thomas Schwinge  <thomas@codesourcery.com>
1117
1118         * omp-low.c (diagnose_sb_0, diagnose_sb_1, diagnose_sb_2): Handle
1119         GIMPLE_OACC_PARALLEL.
1120         * gimplify.c (gimplify_case_label_expr): Update comment.
1121
1122         * omp-low.c (diagnose_sb_0): Generalize detection which kind of
1123         structured block we're in.
1124
1125 2014-02-17  Thomas Schwinge  <thomas@codesourcery.com>
1126
1127         * tree-core.h (omp_clause_code) <map>: Mention pcopy, pcopyin,
1128         pcopyout, pcreate OpenACC clauses.
1129
1130 2014-02-14  Ilmir Usmanov  <i.usmanov@samsung.com>
1131             Dmitry Bocharnikov  <dmitry.b@samsung.com>
1132             Evgeny Gavrin  <e.gavrin@samsung.com>
1133
1134         Add OpenACC 1.0 support to GENERIC, except loop directive and subarrays.
1135
1136         gcc/
1137         * gimplify.c (is_gimple_stmt, gimplify_scan_omp_clauses,
1138         implify_adjust_omp_clauses, gimplify_expr): Stub OpenACC directives
1139         and clauses.
1140         * omp-low.c (scan_sharing_clauses): Likewise.
1141         (gimple_code_is_oacc): New helper function.
1142         (scan_sharing_clauses): Use it.
1143         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_HOST,
1144         OMP_CLAUSE_OACC_DEVICE, OMP_CLAUSE_DEVICE_RESIDENT,
1145         OMP_CLAUSE_USE_DEVICE, OMP_CLAUSE_GANG, OMP_CLAUSE_WAIT,
1146         OMP_NO_CLAUSE_CACHE, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_ASYNC,
1147         OMP_CLAUSE_WORKER, OMP_CLAUSE_VECTOR, OMP_CLAUSE_NUM_GANGS,
1148         OMP_CLAUSE_NUM_WORKERS and OMP_CLAUSE_VECTOR_LENGTH clauses.
1149         * tree-pretty-print.c (dump_omp_clause): Print OpenACC clause.
1150         (dump_generic_node): Print OpenACC directives and its clauses.
1151         * tree.c (omp_clause_num_ops, omp_clause_code_name,
1152         walk_tree_1): Add OpenACC clauses.
1153         * tree.def (OACC_KERNELS, OACC_DATA, OACC_HOST_DATA, OACC_DECLARE,
1154         OACC_UPDATE, OACC_ENTER_DATA, OACC_EXIT_DATA, OACC_WAIT,
1155         OACC_CACHE): New tree node.
1156         * tree.h (OACC_KERNELS_BODY, OACC_KERNELS_CLAUSES,
1157         OACC_CLAUSE_NUM_GANGS_EXPR, OMP_CLAUSE_NUM_WORKERS_EXPR,
1158         OMP_CLAUSE_VECTOR_LENGTH_EXPR, OMP_CLAUSE_VECTOR_EXPR,
1159         OMP_CLAUSE_WORKER_EXPR, OMP_CLAUSE_GANG_EXPR, OMP_CLAUSE_ASYNC_EXPR,
1160         OMP_WAIT_EXPR, OACC_DATA_BODY, OACC_DATA_CLAUSES, OACC_DECLARE_CLAUSES,
1161         OACC_UPDATE_CLAUSES, OACC_WAIT_CLAUSES, OACC_CACHE_CLAUSES,
1162         OACC_HOST_DATA_BODY, OACC_HOST_DATA_CLAUSES): New macros.
1163         gcc/doc/
1164         * generic.texi: Document OACC_KERNELS, OACC_DATA, OACC_HOST_DATA,
1165         OACC_DECLARE, OACC_UPDATE, OACC_ENTER_DATA, OACC_EXIT_DATA, OACC_WAIT,
1166         OACC_CACHE.
1167
1168 2014-02-07  Ilya Tocar  <ilya.tocar@intel.com>
1169
1170         * ipa-inline-analysis.c (inline_free_summary): Always remove
1171         hooks.
1172
1173 2014-01-28  Thomas Schwinge  <thomas@codesourcery.com>
1174
1175         * tree-core.h (omp_clause_code): Update description for
1176         OMP_CLAUSE_MAP.
1177
1178         * tree-core.h (omp_clause_map_kind): Add OMP_CLAUSE_MAP_FORCE,
1179         OMP_CLAUSE_MAP_FORCE_ALLOC, OMP_CLAUSE_MAP_FORCE_TO,
1180         OMP_CLAUSE_MAP_FORCE_FROM, OMP_CLAUSE_MAP_FORCE_TOFROM,
1181         OMP_CLAUSE_MAP_FORCE_PRESENT, OMP_CLAUSE_MAP_FORCE_DEALLOC, and
1182         OMP_CLAUSE_MAP_FORCE_DEVICEPTR.
1183         * tree-pretty-print.c (dump_omp_clause): Handle these.
1184         * gimplify.c (gimplify_omp_var_data): Add GOVD_MAP_FORCE.
1185         (omp_region_type): Add ORT_TARGET_MAP_FORCE.
1186         (omp_add_variable, omp_notice_threadprivate_variable)
1187         (omp_notice_variable, gimplify_scan_omp_clauses)
1188         (gimplify_adjust_omp_clauses_1): Extend accordingly.
1189         (gimplify_oacc_parallel): Add ORT_TARGET_MAP_FORCE to ORT_TARGET
1190         usage.
1191         * omp-low.c (install_var_field, scan_sharing_clauses)
1192         (lower_oacc_parallel, lower_omp_target): Extend accordingly.
1193
1194         * tree-core.h (omp_clause_map_kind): Make the identifiers' bit
1195         patterns more obvious.  Add comments.
1196         * omp-low.c (lower_oacc_parallel, lower_omp_target): Test for
1197         omp_clause_map_kind flags set instead of for values.
1198
1199         * gimplify.c (gimplify_call_expr, gimplify_modify_expr)
1200         (omp_firstprivatize_variable, omp_notice_threadprivate_variable)
1201         (omp_notice_variable, gimplify_adjust_omp_clauses)
1202         (gimplify_omp_workshare): Treat ORT_TARGET as a flag, not as a
1203         value.
1204
1205 2013-12-18  Thomas Schwinge  <thomas@codesourcery.com>
1206
1207         * omp-low.c (lower_oacc_parallel): Switch kinds array to unsigned
1208         short, and shift alignment description to begin at bit 8.
1209
1210 2013-12-04  Thomas Schwinge  <thomas@codesourcery.com>
1211
1212         * gimple.h (is_a_helper): Handle GIMPLE_OACC_PARALLEL.
1213
1214 2013-11-30  Balaji V. Iyer  <balaji.v.iyer@intel.com>
1215
1216         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
1217         Removed a carriage return from the warning string.
1218
1219 2013-11-21  Jakub Jelinek  <jakub@redhat.com>
1220
1221         * config/i386/i386.c (ix86_cilkplus_default_vecsize_mangle,
1222         ix86_cilkplus_vecsize_for_mangle): Remove.
1223         (ix86_simd_clone_compute_vecsize_and_simdlen,
1224         ix86_simd_clone_adjust, ix86_simd_clone_usable): New functions.
1225         (TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE,
1226         TARGET_CILKPLUS_VECSIZE_FOR_MANGLE): Remove.
1227         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN,
1228         TARGET_SIMD_CLONE_ADJUST, TARGET_SIMD_CLONE_USABLE): Define.
1229         * omp-low.c (class argno_map): Remove.
1230         (argno_map::argno_map): Remove.
1231         (simd_clone_vector_of_formal_parm_types): New function.
1232         (simd_clone_struct_alloc): Use struct cgraph_simd_clone
1233         instead of struct simd_clone and struct cgraph_simd_clone_arg
1234         instead of struct simd_clone_arg.
1235         (simd_clone_struct_copy): Likewise.
1236         (simd_clone_clauses_extract): Likewise.  Return struct
1237         cgraph_simd_clone *, don't change anything in node.
1238         Use simd_clone_vector_of_formal_parm_types instead of argno_map.
1239         Fail if ignoring linear step.
1240         (vecsize_mangle): Remove.
1241         (simd_clone_compute_base_data_type): Add clone_info argument.
1242         Use simd_clone_vector_of_formal_parm_types instead of argno_map.
1243         (simd_clone_compute_vecsize_and_simdlen): Remove.
1244         (simd_clone_mangle): Remove new_node argument, add clone_info
1245         argument, return the identifier rather than changing anything in
1246         node.  If mangled name doesn't already exist among simd clones,
1247         fail.
1248         (simd_clone_create): Handle !old_node->definition case, don't
1249         ICE if cgraph_function_versioning fails.
1250         (simd_clone_adjust_return_type): Handle simdlens larger than
1251         what can be returned or passed in hw register.  Handle
1252         !node->definition.
1253         (simd_clone_adjust_argument_types): Likewise.  Use
1254         ipa_get_vector_of_formal_parms or
1255         simd_clone_vector_of_formal_parm_types instead of argno_map.
1256         (simd_clone_init_simd_arrays): Handle simdlens larger than
1257         what can be passed in hw register.
1258         (ipa_simd_modify_function_body): Likewise.  Call walk_gimple_op
1259         also on GIMPLE_RETURN.
1260         (simd_clone_adjust): Call targetm.simd_clone.adjust.  Create
1261         PHI for the iter, rather than waiting for into ssa.  Handle
1262         aligned clause on uniform pointer arguments.  Handle linear
1263         arguments properly.
1264         (expand_simd_clones): Don't do anything if noclone attribute
1265         is present.  Ignore non-prototype C declarations.  Rewritten to
1266         only clone if it is possible and desirable to create the simd clone.
1267         Use new target simd_clone hooks to drive the process, allow
1268         creating more than two clones.  Handle !node->definition cloning.
1269         (ipa_omp_simd_clone): Use FOR_EACH_FUNCTION instead of
1270         FOR_EACH_DEFINED_FUNCTION.
1271         (pass_omp_simd_clone::gate): Return true also for flag_openmp_simd.
1272         * ipa-cp.c (determine_versionability): Use simd_clones field instead
1273         of has_simd_clones.  Also fail if node->simdclone is non-NULL.
1274         (initialize_node_lattices): Set disable = true for simd clones.
1275         * cgraph.c (get_simd_clone): Remove.
1276         * ipa.c (symtab_remove_unreachable_nodes): If node with simd clones
1277         is kept, keep also the simd clones.
1278         * ipa-prop.h (ipa_get_vector_of_formal_parm_types): New prototype.
1279         * ipa-prop.c (get_vector_of_formal_parm_types): Renamed to ...
1280         (ipa_get_vector_of_formal_parm_types): ... this.  No longer static.
1281         (ipa_modify_formal_parameters): Adjust caller.
1282         * target.def (TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE,
1283         TARGET_CILKPLUS_VECSIZE_FOR_MANGLE): Remove.
1284         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN,
1285         TARGET_SIMD_CLONE_ADJUST, TARGET_SIMD_CLONE_USABLE): New target
1286         hooks.
1287         * tree-vect-data-refs.c (vect_analyze_data_refs): Use simd_clones
1288         field instead of has_simd_clones.
1289         * target.h (struct cgraph_node, struct cgraph_simd_node): Declare.
1290         * doc/tm.texi.in (TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE,
1291         TARGET_CILKPLUS_VECSIZE_FOR_MANGLE): Remove.
1292         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN,
1293         TARGET_SIMD_CLONE_ADJUST, TARGET_SIMD_CLONE_USABLE): Add.
1294         * doc/tm.texi: Regenerated.
1295         * cgraph.h (enum simd_clone_arg_type): Rename to ...
1296         (enum cgraph_simd_clone_arg_type): ... this.  Add
1297         SIMD_CLONE_ARG_TYPE_MASK.
1298         (struct simd_clone_arg): Rename to ...
1299         (struct cgraph_simd_clone_arg): ... this.  Add orig_type and
1300         vector_type fields.  Adjust arg_type field's type.
1301         (struct simd_clone): Rename to ...
1302         (struct cgraph_simd_clone): ... this.  Remove hw_vector_size
1303         field.  Add vecsize_int, vecsize_float, prev_clone, next_clone
1304         and origin fields.  Adjust args field's type.
1305         (struct cgraph_node): Adjust simdclone field's type.  Remove
1306         simdclone_of and has_simd_clones fields.  Add simd_clones field.
1307         (get_simd_clone): Remove prototype.
1308         * tree-vect-stmts.c (vectorizable_simd_clone_call): Use simd_clones
1309         field instead of has_simd_clones, improve walking of simd clones,
1310         handle arguments and/or return types larger than corresponding
1311         ISA hw vector size, use targetm.simd_clone.usable hook.
1312
1313 2013-11-21  Ilya Tocar  <ilya.tocar@intel.com>
1314
1315         * cgraph.h (symtab_node): Add need_dump.
1316         * cgraphunit.c (ipa_passes): Run ipa_write_summaries for omp.
1317         (compile): Intialize streamer for omp.
1318         * ipa-inline-analysis.c (inline_generate_summary): Add flag_openmp.
1319         * lto-cgraph.c (lto_set_symtab_encoder_in_partition): Respect
1320         need_dump flag.
1321         (select_what_to_dump): New.
1322         * lto-streamer.c (section_name_prefix): New.
1323         (lto_get_section_name): Use section_name_prefix.
1324         (lto_streamer_init): Add flag_openmp.
1325         * lto-streamer.h (OMP_SECTION_NAME_PREFIX): New.
1326         (section_name_prefix): Ditto.
1327         (select_what_to_dump): Ditto.
1328         * lto/lto-partition.c (add_symbol_to_partition_1): Set need_dump.
1329         (lto_promote_cross_file_statics): Dump everyhtinh.
1330         * passes.c (ipa_write_summaries): Add parameter,
1331         call select_what_to_dump.
1332         * tree-pass.h (void ipa_write_summaries): Add parameter.
1333
1334 2013-11-15  Jakub Jelinek  <jakub@redhat.com>
1335
1336         * tree-vect-stmts.c (vectorizable_simd_clone_call): Avoid
1337         -Wsign-compare warning.
1338
1339 2013-11-12  Aldy Hernandez  <aldyh@redhat.com>
1340
1341         * ipa-prop.h (enum ipa_parm_op): Adjust comment to IPA_PARM_OP_NEW
1342         entry.
1343
1344 2013-11-12  Aldy Hernandez  <aldyh@redhat.com>
1345
1346         * ipa-prop.c (ipa_modify_expr): Pass expr by address.
1347         (ipa_get_adjustment_candidate): Add another level of indirection
1348         to expr.  Adjust comment.
1349         (ipa_get_adjustment_candidate): Add another level of indirection
1350         to first argument.
1351
1352 2013-11-11  Aldy Hernandez  <aldyh@redhat.com>
1353
1354         * ipa-prop.c (get_ssa_base_param): New.
1355         * ipa-prop.h (ipa_modify_expr): Rename from ipa_sra_modify_expr.
1356         Remove ipa_sra_modify_function_body.
1357         (ipa_get_adjustment_candidate): Rename from
1358         sra_ipa_get_adjustment_candidate.
1359         * omp-low.c (ipa_simd_modify_stmt_ops): Rename
1360         sra_ipa_get_adjustment_candidate to ipa_get_adjustment_candidate.
1361         * tree-sra.c (get_ssa_base_param): Remove default_def argument.
1362         (create_access): Remove lass argument to get_ssa_base_param.
1363         (disqualify_base_of_expr): Same.
1364         (sra_ipa_get_adjustment_candidate): Rename to
1365         ipa_get_adjustment_candidate and move to ipa-prop.c.
1366         (sra_ipa_modify_expr): Rename to ipa_modify_expr and move to
1367         ipa-prop.c.
1368         (sra_ipa_modify_assign): Rename sra_ipa_modify_expr to
1369         ipa_modify_expr.
1370         (ipa_sra_modify_function_body): Same.
1371
1372 2013-11-11  Jakub Jelinek  <jakub@redhat.com>
1373
1374         * tree-vect-data-refs.c (vect_analyze_data_refs): Check loop->safelen
1375         rather than loop->simdlen.
1376         * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
1377
1378 2013-11-08  Aldy Hernandez  <aldyh@redhat.com>
1379
1380         * ipa-prop.c (ipa_modify_formal_parameters): Remove
1381         synth_parm_prefix argument.
1382         Use operator enum instead of bit fields.
1383         Add assert for properly handling vector of references.
1384         (ipa_modify_call_arguments): Use operator enum instead of bit
1385         fields.
1386         (ipa_combine_adjustments): Same.
1387         Assert that IPA_PARM_OP_NEW is not used.
1388         (ipa_dump_param_adjustments): Rename reduction to new_decl.
1389         Use operator enum instead of bit fields.
1390         * ipa-prop.h (enum ipa_parm_op): New.
1391         (struct ipa_parm_adjustment): New field op.
1392         Rename reduction to new_decl.
1393         Rename new_arg_prefix to arg_prefix.
1394         Remove new_param, remove_param, copy_param.
1395         (ipa_modify_formal_parameters): Remove argument.
1396         * omp-low.c (simd_clone_adjust_argument_types): Set arg_prefix.
1397         Use operator enum instead of bit fields.
1398         (simd_clone_adjust_argument_types): Use operator enum instead of
1399         bit fields.
1400         Remove last argument to ipa_modify_formal_parameters call.
1401         (simd_clone_init_simd_arrays): Use operator enum.
1402         (ipa_simd_modify_stmt_ops): Rename reduction to new_decl.
1403         (ipa_simd_modify_function_body): Same.
1404         * tree-sra.c (turn_representatives_into_adjustments): Use operator
1405         enum.  Set arg_prefix.
1406         (get_adjustment_for_base): Use operator enum.
1407         (sra_ipa_get_adjustment_candidate): Same.
1408         (sra_ipa_modify_expr): Rename reduction to new_decl.
1409         (sra_ipa_reset_debug_stmts): Use operator enum.
1410         (modify_function): Do not pass prefix argument.
1411
1412 2013-11-07  Jakub Jelinek  <jakub@redhat.com>
1413
1414         * tree-vectorizer.h (enum stmt_vec_info_type): Add
1415         call_simd_clone_vec_info_type.
1416         * expr.c (store_constructor): Allow CONSTRUCTOR with VECTOR_TYPE
1417         (same sized) elements even if the type of the CONSTRUCTOR has
1418         vector mode and target is a REG.
1419         * tree-vect-data-refs.c: Include cgraph.h.
1420         (vect_analyze_data_refs): Inline by hand find_data_references_in_loop
1421         and find_data_references_in_bb, if find_data_references_in_stmt
1422         fails, still allow calls to #pragma omp declare simd functions
1423         in #pragma omp simd loops unless they contain data references among
1424         the call arguments or in lhs.
1425         * tree-vect-loop.c (vect_determine_vectorization_factor): If a call
1426         doesn't have lhs, set STMT_VINFO_VECTYPE to vector type corresponding
1427         to any of the argument types and exclude it from adjustments of the
1428         vectorization factor.
1429         * tree-vect-stmts.c: Include tree-ssa-loop.h and
1430         tree-scalar-evolution.h.
1431         (vectorizable_function): Don't handle functions with simd clones here.
1432         (vectorizable_call): Nor here.  Return early if call doesn't have lhs.
1433         (struct simd_call_arg_info): New type.
1434         (vectorizable_simd_clone_call): New function.
1435         (vect_analyze_stmt, vect_transform_stmt): Call it.
1436
1437 2013-11-07  Thomas Schwinge  <thomas@codesourcery.com>
1438
1439         * gimple.def (GIMPLE_OACC_PARALLEL): New code.
1440         * doc/gimple.texi: Document it.
1441         * gimple.h (gimple_build_oacc_parallel): New declaration.
1442         (gimple_oacc_parallel_clauses, gimple_oacc_parallel_clauses_ptr)
1443         (gimple_oacc_parallel_set_clauses, gimple_oacc_parallel_child_fn)
1444         (gimple_oacc_parallel_child_fn_ptr)
1445         (gimple_oacc_parallel_set_child_fn, gimple_oacc_parallel_data_arg)
1446         (gimple_oacc_parallel_data_arg_ptr)
1447         (gimple_oacc_parallel_set_data_arg): New inline functions.
1448         (CASE_GIMPLE_OMP): Add GIMPLE_OACC_PARALLEL.
1449         * gimple.c (gimple_build_oacc_parallel): New function.
1450         (walk_gimple_op, walk_gimple_stmt, gimple_copy): Handle
1451         GIMPLE_OACC_PARALLEL.
1452         * gimplify.c (is_gimple_stmt): Handle GIMPLE_OACC_PARALLEL.
1453         (gimplify_oacc_parallel): New function.
1454         (gimplify_expr): Handle OACC_PARALLEL.
1455         * cgraphbuild.c (build_cgraph_edges): Handle GIMPLE_OACC_PARALLEL.
1456         * gimple-low.c (lower_stmt): Likewise.
1457         * gimple-pretty-print.c (pp_gimple_stmt_1): Likewise.
1458         (dump_gimple_oacc_parallel): New function.
1459         * oacc-builtins.def (BUILT_IN_GOACC_PARALLEL): New macro.
1460         * omp-low.c (scan_oacc_parallel, expand_oacc_parallel)
1461         (lower_oacc_parallel): New functions.
1462         (use_pointer_for_field, build_outer_var_ref, scan_sharing_clauses)
1463         (create_omp_child_function, check_omp_nesting_restrictions)
1464         (scan_omp_1_stmt, lower_rec_simd_input_clauses)
1465         (lower_lastprivate_clauses, lower_reduction_clauses)
1466         (lower_copyprivate_clauses, lower_send_clauses)
1467         (lower_send_shared_vars, expand_omp)
1468         (maybe_add_implicit_barrier_cancel, create_task_copyfn)
1469         (lower_omp_1, make_gimple_omp_edges): Handle GIMPLE_OACC_PARALLEL,
1470         or catch it.
1471         * tree-inline.c (remap_gimple_stmt): Likewise.
1472         * tree-nested.c (convert_nonlocal_reference_stmt)
1473         (convert_local_reference_stmt, convert_tramp_reference_stmt)
1474         (convert_gimple_call): Likewise.
1475
1476         * tree.def (OACC_PARALLEL): New code.
1477         * doc/generic.texi (OpenMP): Document it.
1478         * tree.h (OMP_BODY, OMP_CLAUSES): Include it.
1479         (OACC_PARALLEL_BODY, OACC_PARALLEL_CLAUSES): New macros.
1480         * tree-pretty-print.c (dump_generic_node): Handle OACC_PARALLEL.
1481
1482         * doc/invoke.texi (-fopenacc): Update.
1483
1484         * gimplify.c (gimplify_body): Consider flag_openacc additionally
1485         to flag_openmp.
1486         * omp-low.c (execute_expand_omp, execute_lower_omp)
1487         (gate_diagnose_omp_blocks): Likewise.
1488
1489         * oacc-builtins.def: New file.
1490         * Makefile.in (BUILTINS_DEF): Add oacc-builtins.def.
1491         * builtins.def (DEF_GOACC_BUILTIN): New macro.
1492         Include "oacc-builtins.def".
1493
1494         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): For -fopenacc, link
1495         to libgomp and its dependencies.
1496         * config/arc/arc.h (LINK_COMMAND_SPEC): Likewise.
1497         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
1498         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
1499         * config/ia64/hpux.h (LIB_SPEC): Likewise.
1500         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1501         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
1502         * doc/invoke.texi (-fopenacc): Update.
1503
1504         * doc/invoke.texi (-fopenacc): Document it.
1505         * doc/sourcebuild.texi (fopenacc): Document it.
1506
1507         Backport from trunk, r204517:
1508
1509         * config/arc/arc.h (LINK_COMMAND_SPEC): For
1510         -ftree-parallelize-loops=*, link to libgomp and its dependencies.
1511         * config/ia64/hpux.h (LIB_SPEC): Likewise.
1512         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1513         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
1514         * gcc.c (GOMP_SELF_SPECS): Update comment about libgomp's
1515         dependencies.
1516
1517 2013-11-07  Aldy Hernandez  <aldyh@redhat.com>
1518
1519         * omp-low.c (ipa_simd_modify_function_body): Avoid
1520         regimplification of GIMPLE_RETURNs.
1521
1522 2013-11-06  Aldy Hernandez  <aldyh@redhat.com>
1523
1524         * ipa-prop.h (sra_ipa_get_adjustment_candidate): Protoize.
1525         * omp-low.c (struct modify_stmt_info): New.
1526         (ipa_simd_modify_function_body_ops_1): Remove.
1527         (ipa_simd_modify_stmt_ops): New.
1528         (ipa_simd_modify_function_body_ops): Remove.
1529         (ipa_simd_modify_function_body): Set new callback info.
1530         Remove special casing.  Handle all operators with walk_gimple_op.
1531         * tree-sra.c (get_ssa_base_param): Add new argument.  Use it.
1532         (disqualify_base_of_expr): Pass new argument to
1533         get_ssa_base_param.
1534         (sra_ipa_modify_expr): Abstract candidate search into...
1535         (sra_ipa_get_adjustment_candidate): ...here.
1536
1537 2013-11-06  Aldy Hernandez  <aldyh@redhat.com>
1538
1539         * omp-low.c (simd_clone_mangle): Linear step of 1 is mangled as
1540         'l'.
1541
1542 2013-11-04  Aldy Hernandez  <aldyh@redhat.com>
1543
1544         * omp-low.c (ipa_simd_modify_function_body): Adjust tree operands
1545         on the LHS of an assign.
1546         (ipa_simd_modify_function_body_ops_1): New.
1547         (ipa_simd_modify_function_body_ops): New.
1548
1549 2013-11-02  Aldy Hernandez  <aldyh@redhat.com>
1550
1551         * omp-low.c (ipa_simd_modify_function_body): Handle empty returns.
1552
1553 2013-11-01  Jakub Jelinek  <jakub@redhat.com>
1554
1555         * cgraph.h (enum linear_stride_type): Remove.
1556         (enum simd_clone_arg_type): New.
1557         (struct simd_clone_arg): Remove linear_stride, linear_stride_num
1558         and uniform fields.  Add arg_type and linear_step.
1559         * omp-low.c (simd_clone_struct_copy): Formatting.
1560         (simd_clone_struct_alloc): Likewise.  Use size_t.
1561         (simd_clone_clauses_extract, simd_clone_compute_base_data_type,
1562         simd_clone_adjust_argument_types): Adjust for struct simd_clone_arg
1563         changes.
1564         (simd_clone_mangle): Likewise.  Handle negative linear step.
1565
1566 2013-11-01  Aldy Hernandez  <aldyh@redhat.com>
1567
1568         * tree-vect-stmts.c: Include cgraph.h.
1569         (vectorizable_call): Allow > 3 arguments when a SIMD clone may be
1570         available.
1571         (vectorizable_function): Use SIMD clone if available.
1572         * ipa-cp.c (determine_versionability): Nodes with SIMD clones are
1573         not versionable.
1574         * ggc.h (ggc_alloc_cleared_simd_clone_stat): New.
1575         * cgraph.h (enum linear_stride_type): New.
1576         (struct simd_clone_arg): New.
1577         (struct simd_clone): New.
1578         (struct cgraph_node): Add simdclone and simdclone_of fields.
1579         (get_simd_clone): Protoize.
1580         * cgraph.c (get_simd_clone): New.
1581         Add `has_simd_clones' field.
1582         * ipa-cp.c (determine_versionability): Disallow functions with
1583         simd clones.
1584         * ipa-prop.h (ipa_sra_modify_function_body): Protoize.
1585         (sra_ipa_modify_expr): Same.
1586         (struct ipa_parm_adjustment): Add new_arg_prefix and new_param
1587         fields.  Document their use.
1588         * ipa-prop.c (ipa_modify_formal_parameters): Handle creating brand
1589         new parameters and minor cleanups.
1590         * omp-low.c: Add new pass_omp_simd_clone support code.
1591         (make_pass_omp_simd_clone): New.
1592         (pass_data_omp_simd_clone): Declare.
1593         (class pass_omp_simd_clone): Declare.
1594         (vecsize_mangle): New.
1595         (ipa_omp_simd_clone): New.
1596         (simd_clone_clauses_extract): New.
1597         (simd_clone_compute_base_data_type): New.
1598         (simd_clone_compute_vecsize_and_simdlen): New.
1599         (simd_clone_create): New.
1600         (simd_clone_adjust_return_type): New.
1601         (simd_clone_adjust_return_types): New.
1602         (simd_clone_adjust): New.
1603         (simd_clone_init_simd_arrays): New.
1604         (ipa_simd_modify_function_body): New.
1605         (simd_clone_mangle): New.
1606         (simd_clone_struct_alloc): New.
1607         (simd_clone_struct_copy): New.
1608         (class argno_map): New.
1609         (argno_map::argno_map(tree)): New.
1610         (argno_map::~argno_map): New.
1611         (argno_map::operator []): New.
1612         (argno_map::length): New.
1613         (expand_simd_clones): New.
1614         (create_tmp_simd_array): New.
1615         * tree.h (OMP_CLAUSE_LINEAR_VARIABLE_STRIDE): New.
1616         * tree-core.h (OMP_CLAUSE_LINEAR_VARIABLE_STRIDE): Document.
1617         * tree-pass.h (make_pass_omp_simd_clone): New.
1618         * passes.def (pass_omp_simd_clone): New.
1619         * target.def: Define new hook prefix "TARGET_CILKPLUS_".
1620         (default_vecsize_mangle): New.
1621         (vecsize_for_mangle): New.
1622         * doc/tm.texi.in: Add placeholder for
1623         TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE and
1624         TARGET_CILKPLUS_VECSIZE_FOR_MANGLE.
1625         * tree-sra.c (sra_ipa_modify_expr): Remove static modifier.
1626         (ipa_sra_modify_function_body): Same.
1627         * tree.h (OMP_CLAUSE_LINEAR_VARIABLE_STRIDE): Define.
1628         * doc/tm.texi: Regenerate.
1629         * config/i386/i386.c (ix86_cilkplus_default_vecsize_mangle): New.
1630         (ix86_cilkplus_vecsize_for_mangle): New.
1631         (TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE): New.
1632         (TARGET_CILKPLUS_VECSIZE_FOR_MANGLE): New.
1633
1634 2013-10-10  Jakub Jelinek  <jakub@redhat.com>
1635
1636         * tree.c (omp_remove_redundant_declare_simd_attrs): Adjust
1637         for the clauses being stored into TREE_VALUE of an extra TREE_LIST
1638         pointed out by TREE_VALUE of the attribute.
1639
1640 2013-10-04  Jakub Jelinek  <jakub@redhat.com>
1641
1642         * omp-low.c (expand_omp_target): When handling IF clause on
1643         #pragma omp target, split new_bb rather than entry_bb.  If
1644         not GF_OMP_TARGET_KIND_REGION, split new_bb right before
1645         the GOMP_TARGET stmt, rather than after labels.
1646
1647 2013-09-26  Jakub Jelinek  <jakub@redhat.com>
1648
1649         * omp-low.c (expand_task_call): If there are depend clauses,
1650         pass bit 8 in 7th argument and pass pointer to depend array
1651         as 8th argument.
1652         (lower_depend_clauses): New function.
1653         (lower_omp_taskreg): Handle depend clauses.
1654         * omp-builtins.def (BUILT_IN_GOMP_TASK): Use
1655         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR
1656         instead of BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT.
1657         * builtin-types.def
1658         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): Remove.
1659         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR): New.
1660
1661 2013-09-25  Jakub Jelinek  <jakub@redhat.com>
1662
1663         * omp-low.c (lower_omp_sections, lower_omp_for, lower_omp_taskreg):
1664         Emit ctx->cancel_label before destructors.
1665
1666         * gimple-pretty-print.c (dump_gimple_omp_block,
1667         pp_gimple_stmt_1): Handle GIMPLE_OMP_TASKGROUP.
1668         * tree-nested.c (convert_nonlocal_reference_stmt,
1669         convert_local_reference_stmt, convert_gimple_call): Likewise.
1670         * tree-cfg.c (make_edges): Likewise.
1671         * gimple.h (gimple_build_omp_taskgroup): New prototype.
1672         (gimple_has_substatement): Handle GIMPLE_OMP_TASKGROUP.
1673         (CASE_GIMPLE_OMP): Likewise.
1674         * gimplify.c (is_gimple_stmt, gimplify_expr): Handle OMP_TASKGROUP.
1675         * omp-low.c (check_omp_nesting_restrictions): Warn if #pragma omp
1676         cancel is used in nowait loop or sections construct.
1677         (scan_omp_1_stmt, expand_omp_synch, expand_omp, lower_omp_1): Handle
1678         GIMPLE_OMP_TASKGROUP.
1679         (diagnose_sb_1, diagnose_sb_2): Likewise.  Handle GIMPLE_OMP_TARGET
1680         and GIMPLE_OMP_TEAMS.
1681         (lower_omp_taskgroup): New function.
1682         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Handle
1683         GIMPLE_OMP_TASKGROUP.
1684         * gimple-low.c (lower_stmt): Likewise.
1685         * tree.h (OMP_TASKGROUP_BODY): Define.
1686         * tree.def (OMP_TASKGROUP): New tree.
1687         * tree-pretty-print.c (dump_generic_node): Handle OMP_TASKGROUP.
1688         * gimple.c (gimple_build_omp_taskgroup): New function.
1689         (walk_gimple_stmt, gimple_copy): Handle GIMPLE_OMP_TASKGROUP.
1690         * gimple.def (GIMPLE_OMP_TASKGROUP): New GIMPLE code.
1691
1692 2013-09-19  Jakub Jelinek  <jakub@redhat.com>
1693
1694         * omp-builtins.def (BUILT_IN_GOMP_TARGET_DATA,
1695         BUILT_IN_GOMP_TARGET_UPDATE): Use BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR
1696         rather than BT_FN_VOID_INT_SIZE_PTR_PTR_PTR.
1697         * builtin-types.def (BT_FN_VOID_INT_SIZE_PTR_PTR_PTR): Remove.
1698         (BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR): New.
1699         * omp-low.c (expand_omp_target): Remove fnname argument from
1700         GOMP_target, add openmp_target argument to GOMP_target,
1701         GOMP_target_data and GOMP_target_update calls.
1702
1703 2013-09-18  Jakub Jelinek  <jakub@redhat.com>
1704
1705         * tree.h (OMP_CLAUSE_REDUCTION_OMP_ORIG_REF): Define.
1706         * tree-core.h (OMP_CLAUSE_REDUCTION_OMP_ORIG_REF): Document.
1707         * omp-low.c (lower_rec_simd_input_clauses): Don't set DECL_VALUE_EXPR
1708         on new_var if it is not a DECL_P.
1709         (lower_rec_input_clauses): Don't force max_vf = 1
1710         if OMP_CLAUSE_REDUCTION_PLACEHOLDER.  Add barrier also if any
1711         OMP_CLAUSE_REDUCTION_OMP_ORIG_REF is seen.  For OMP_CLAUSE_PRIVATE
1712         in simd, fix last argument to omp_clause_default_ctor langhook.
1713         Handle OMP_CLAUSE_REDUCTION_PLACEHOLDER in simd loops, if
1714         OMP_CLAUSE_REDUCTION_GIMPLE_INIT is NULL, emit omp_clause_default_ctor
1715         if any and emit omp_clause_dtor if any.  Handle C++ references in
1716         OMP_CLAUSE_REDUCTION clauses.
1717         (lower_reduction_clauses): Adjust comment for UDRs.  Handle
1718         C++ references in OMP_CLAUSE_REDUCTION clauses.
1719         (lower_omp_taskreg): Emit reduction merges before destructors.
1720         * tree-pretty-print.c (dump_omp_clause): Don't emit any reduction
1721         operator name if OMP_CLAUSE_REDUCTION_CODE is ERROR_MARK.
1722         * gimplify.c (omp_add_variable): Ignore GOVD_LOCAL decls for which
1723         privatize_by_reference returns true.
1724
1725         * tree-core.h (OMP_CLAUSE_DEPEND_KIND, OMP_CLAUSE_MAP_KIND,
1726         OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION, OMP_CLAUSE_PROC_BIND_KIND):
1727         Move definitions...
1728         * tree.h (OMP_CLAUSE_DEPEND_KIND, OMP_CLAUSE_MAP_KIND,
1729         OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION, OMP_CLAUSE_PROC_BIND_KIND):
1730         ... here.
1731
1732 2013-09-16  Jakub Jelinek  <jakub@redhat.com>
1733
1734         * omp-low.c (install_var_field): Use (mask & 4) to request double
1735         indirection.
1736         (scan_sharing_clauses): For OMP_CLAUSE_MAP_POINTER arrays pass
1737         7 instead of 3 to install_var_field.
1738         (lower_omp_target): For OMP_CLAUSE_MAP_POINTER arrays add extra
1739         indirection.
1740
1741 2013-09-06  Jakub Jelinek  <jakub@redhat.com>
1742
1743         * omp-low.c (scan_sharing_clauses): Handle VLAs in
1744         OMP_CLAUSE_{MAP,TO,FROM}.  Set DECL_ALIGN (field) before
1745         calling insert_field_into_struct.
1746         (scan_omp_target): Reverse TYPE_FIELDS, verify that
1747         all field alignments are the same.
1748         (lower_omp_target): Use maybe_lookup_field instead of
1749         lookup_sfield to check if field is present.  Handle VLAs.
1750         * tree-pretty-print.c (dump_omp_clause): Only check
1751         OMP_CLAUSE_MAP_KIND on OMP_CLAUSE_MAP clauses.
1752         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_MAP_TO_ONLY.
1753         (omp_firstprivatize_variable, omp_add_variable,
1754         gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Handle
1755         VLAs in OMP_CLAUSE_{MAP,TO,FROM}.
1756
1757 2013-09-05  Jakub Jelinek  <jakub@redhat.com>
1758
1759         * gimplify.c (gimplify_call_expr): Don't call fold_stmt
1760         inside of #pragma omp target construct.
1761         (gimplify_modify_expr): Likewise.
1762         * omp-low.c (target_nesting_level): New variable.
1763         (lower_omp_target): Increase/restore target_nesting_level
1764         around lowering #pragma omp target body.  Use TYPE_SIZE_UNIT
1765         instead of TYPE_SIZE if OMP_CLAUSE_SIZE is missing.
1766         Or log2 of needed alignment into high 5 bits of kind.
1767         (lower_omp): Call fold_stmt on all stmts inside of
1768         #pragma omp target construct.
1769
1770         * tree-cfg.c (make_edges): For GIMPLE_OMP_TARGET
1771         with GF_OMP_TARGET_KIND_UPDATE, don't look for
1772         GIMPLE_OMP_RETURN and immediately restore previous
1773         region.
1774         * langhooks.c (lhd_omp_mappable_type): New function.
1775         * omp-low.c (scan_sharing_clauses): Ignore OMP_CLAUSE_SHARED
1776         in GIMPLE_OMP_TEAMS constructs.  Handle OMP_CLAUSE_NUM_TEAMS,
1777         OMP_CLAUSE_THREAD_LIMIT, OMP_CLAUSE_DEVICE, OMP_CLAUSE_MAP,
1778         OMP_CLAUSE_TO and OMP_CLAUSE_FROM.
1779         (create_omp_child_function): If current function has
1780         "omp declare target" attribute or if current region
1781         is OMP_TARGET or lexically nested in it, add that
1782         attribute to the omp child function.
1783         (scan_omp_target, scan_omp_teams): New functions.
1784         (check_omp_nesting_restrictions): Fix a typo in TEAMS nesting
1785         check.
1786         (scan_omp_1_stmt): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
1787         (lower_rec_input_clauses): Ignore OMP_CLAUSE_SHARED
1788         in GIMPLE_OMP_TEAMS constructs.
1789         (expand_omp_synch): Handle GIMPLE_OMP_TEAMS.
1790         (expand_omp_target): New function.
1791         (expand_omp): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
1792         (build_omp_regions_1): For GIMPLE_OMP_TARGET with
1793         GF_OMP_TARGET_KIND_UPDATE, don't look for GIMPLE_OMP_RETURN and
1794         immediately restore previous region.
1795         (lower_omp_single): Emit a CLOBBER stmt after GIMPLE_OMP_RETURN.
1796         (lower_omp_taskreg): Likewise.
1797         (lower_omp_target, lower_omp_teams): New functions.
1798         (lower_omp_1): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
1799         * tree.h (enum omp_clause_map_kind): Improve description of
1800         OMP_CLAUSE_MAP_POINTER.
1801         (OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION): Define.
1802         * gimple.def (GIMPLE_OMP_TARGET): Use GSS_OMP_PARALLEL instead
1803         of GSS_OMP_SINGLE.
1804         * langhooks.h (struct lang_hooks_for_types): Add
1805         omp_mappable_type hook.
1806         * langhooks-def.h (lhd_omp_mappable_type): New prototype.
1807         (LANG_HOOKS_OMP_MAPPABLE_TYPE): Define.
1808         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1809         * gimple.h (gimple_omp_target_clauses, gimple_omp_target_clauses_ptr,
1810         gimple_omp_target_set_clauses): Use gimple_omp_parallel
1811         instead of gimple_omp_single.
1812         (gimple_omp_target_child_fn, gimple_omp_target_child_fn_ptr,
1813         gimple_omp_target_set_child_fn, gimple_omp_target_data_arg,
1814         gimple_omp_target_data_arg_ptr, gimple_omp_target_set_data_arg): New
1815         inlines.
1816         * omp-builtins.def (BUILT_IN_GOMP_TARGET, BUILT_IN_GOMP_TARGET_DATA,
1817         BUILT_IN_GOMP_TARGET_END_DATA, BUILT_IN_GOMP_TARGET_UPDATE,
1818         BUILT_IN_GOMP_TEAMS): New builtins.
1819         * gimple-pretty-print.c (dump_gimple_omp_target): Print child_fn
1820         for #pragma omp target.
1821         * gimplify.c (omp_notice_variable): Diagnose if implicitly mapped
1822         decl doesn't have mappable type.
1823         (gimplify_scan_omp_clauses): For OMP_CLAUSE_MAP don't clear
1824         notice_outer.
1825         (gimplify_adjust_omp_clauses_1): Add OMP_CLAUSE_MAP even if the same
1826         decl is already referenced in target data construct surrounding it.
1827         (gimplify_adjust_omp_clauses): Likewise.  Handle
1828         OMP_CLAUSE_THREAD_LIMIT.
1829         (gimplify_omp_workshare): Fix up gimplification of target or target
1830         data construct body.  For target data add GOMP_target_end_data
1831         call in a try/finally cleanup.
1832         * builtin-types.def (BT_FN_VOID_UINT_UINT,
1833         BT_FN_VOID_INT_SIZE_PTR_PTR_PTR,
1834         BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR): New.
1835
1836 2013-07-14  Jakub Jelinek  <jakub@redhat.com>
1837
1838         * tree.h (omp_declare_simd_clauses_equal): Remove prototype.
1839         (omp_remove_redundant_declare_simd_attrs): New prototype.
1840         * tree.c (omp_declare_simd_clauses_equal): Make static.
1841         (omp_remove_redundant_declare_simd_attrs): New function.
1842
1843 2013-07-09  Jakub Jelinek  <jakub@redhat.com>
1844
1845         * gimple-pretty-print.c (dump_gimple_omp_return): Print
1846         gimple_omp_return_lhs if non-NULL.
1847         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
1848         call_may_clobber_ref_p_1): Handle BUILT_IN_GOMP_BARRIER_CANCEL,
1849         BUILT_IN_GOMP_LOOP_END_CANCEL, BUILT_IN_GOMP_SECTIONS_END_CANCEL.
1850         * gimple.h (gimple_omp_return_set_lhs, gimple_omp_return_lhs,
1851         gimple_omp_return_lhs_ptr): New inlines.
1852         * gimple.def (GIMPLE_OMP_RETURN): Use GSS_OMP_ATOMIC_STORE
1853         instead of GSS_BASE.
1854         * gimple.c (walk_gimple_op) <case GIMPLE_OMP_RETURN>: Walk lhs.
1855         * builtin-types.def (BT_FN_BOOL_INT, BT_FN_BOOL_INT_BOOL): New.
1856         * omp-builtins.def (BUILT_IN_GOMP_CANCELLATION_POINT): Use
1857         ATTR_NOTHROW_LEAF_LIST instead of ATTR_NULL.  Return type is now
1858         bool.
1859         (BUILT_IN_GOMP_CANCEL): Likewise.  Add second argument with bool type.
1860         (BUILT_IN_BARRIER_CANCEL, BUILT_IN_GOMP_LOOP_END_CANCEL,
1861         BUILT_IN_GOMP_SECTIONS_END_CANCEL): New builtins.
1862         * omp-low.c (struct omp_context): Add cancel_label and cancellable
1863         fields.
1864         (extract_omp_for_data): Set have_nowait even for simd implicitly.
1865         (check_omp_nesting_restrictions): Verify nesting restrictions for
1866         #pragma omp cancel and #pragma omp cancellation point.
1867         Set ctx->cancellable for regions that can be cancelled or also
1868         for any task region that contains #pragma omp cancellation point.
1869         (scan_omp_1_stmt): Check nesting restrictions even if ctx == NULL.
1870         (build_omp_barrier): Return gimple instead of tree, add lhs argument,
1871         if non-NULL, build GOMP_barrier_cancel builtin instead and set its
1872         call lhs to lhs.
1873         (lower_rec_input_clauses): Adjust build_omp_barrier caller.
1874         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk,
1875         expand_omp_single): Likewise.  If OMP_RETURN has lhs, pass it to
1876         build_omp_barrier.
1877         (expand_omp_for_generic): If OMP_RETURN has lhs, use
1878         GOMP_loop_end_cancel libcall instead of GOMP_loop_end and set its
1879         lhs from OMP_RETURN's lhs.
1880         (expand_omp_sections): If OMP_RETURN has lhs, use
1881         GOMP_sections_end_cancel libcall instead of GOMP_sections_end and set
1882         its lhs from OMP_RETURN's lhs.
1883         (maybe_add_implicit_barrier_cancel): New function.
1884         (lower_omp_sections): If ctx->cancellable, emit cancel_label before
1885         OMP_RETURN.  Call maybe_add_implicit_barrier_cancel.
1886         (lower_omp_for): Likewise.
1887         (lower_omp_single): Call maybe_add_implicit_barrier_cancel.
1888         (lower_omp_taskreg): If ctx->cancellable, emit cancel_label before
1889         OMP_RETURN.
1890         (lower_omp_1): If ctx->cancellable, create ctx->cancel_label.
1891         Adjust GOMP_barrier libcalls to GOMP_barrier_cancel plus conditional
1892         branch in cancellable regions, adjust GOMP_cancel and
1893         GOMP_cancellation_point in cancellable regions or remove
1894         GOMP_cancellation_point in non-cancellable regions.
1895
1896 2013-07-03  Jakub Jelinek  <jakub@redhat.com>
1897
1898         * omp-low.c (expand_omp_single): Don't force barrier for
1899         copyprivate.
1900
1901 2013-06-28  Jakub Jelinek  <jakub@redhat.com>
1902             Aldy Hernandez  <aldyh@redhat.com>
1903
1904         * internal-fn.def (GOMP_SIMD_LANE, GOMP_SIMD_VF,
1905         GOMP_SIMD_LAST_LANE): New internal functions.
1906         * omp-low.c (omp_max_vf, lower_rec_simd_input_clauses): New
1907         functions.
1908         (lower_rec_input_clauses): Add fd argument.  Enforce max_vf = 1
1909         if any data sharing clauses mention VLAs or for array reductions.
1910         Handle OMP_CLAUSE__LOOPTEMP_ clause.  For
1911         OMP_CLAUSE_{{FIRST,LAST,}PRIVATE,LINEAR,REDUCTION} on SIMD
1912         constructs use "omp simd array" temporaries.  For OMP_CLAUSE_LINEAR
1913         adjust initial value in combined constructs.  Don't emit any
1914         barriers for #pragma omp distribute.  If max_vf is lower than
1915         current safelen, prepend an OMP_CLAUSE_SAFELEN clause.
1916         (lower_lastprivate_clauses): Handle "omp simd array" temporaries.
1917         (lower_reduction_clauses): Exit early for #pragma omp simd.
1918         (expand_omp_simd): Set loop->simduid from OMP_CLAUSE__SIMDUID_
1919         and cfun->has_simduid_loops if set.
1920         If OMP_CLAUSE_SAFELEN (1) is present, don't set loop->safelen
1921         nor loop->force_vect.
1922         (lower_omp_sections, lower_omp_single, lower_omp_taskreg): Adjust
1923         lower_rec_input_clauses callers.
1924         (lower_omp_for_lastprivate): Unshare vinit.
1925         (lower_omp_for): Add OMP_CLAUSE__LOOPTEMP_ clauses before calling
1926         lower_rec_input_clauses.  Adjust lower_rec_input_clauses caller.
1927         Always call lower_omp_for_lastprivate at the same place, even for
1928         #pragma omp simd.
1929         * tree.h (enum clause_code): Add OMP_CLAUSE__SIMDUID_.
1930         (OMP_CLAUSE__SIMDUID__DECL): Define.
1931         * tree-vectorizer.c: Include hash-table.h and tree-ssa-propagate.h.
1932         (simduid_to_vf, decl_to_simduid): New classes.
1933         (simduid_to_vf::hash, simduid_to_vf::equal, decl_to_simduid::hash,
1934         decl_to_simduid::equal): New methods.
1935         (note_simd_array_uses_struct): New struct.
1936         (adjust_simduid_builtins, note_simd_array_uses_cb,
1937         note_simd_array_uses): New functions.
1938         (vectorize_loops): Adjust "omp simd array" temporary array sizes
1939         and fold GOMP_SIMD_{LANE,VF,LAST_LANE} builtins.
1940         * tree-vectorizer.h (struct _stmt_vec_info): Add simd_lane_access_p
1941         field.
1942         (STMT_VINFO_SIMD_LANE_ACCESS_P): Define.
1943         * tree-data-ref.c (get_references_in_stmt): Allow GOMP_SIMD_LANE
1944         builtins in their own loops.
1945         * tree-inline.c (copy_cfg_body): Propagate has_force_vect_loops
1946         and has_simduid_loops.
1947         * function.h (struct function): Add has_simduid_loops field.
1948         * tree-ssa-ccp.c (likely_value): For GOMP_SIMD_{LANE,LAST_LANE,VF}
1949         builtins ignore the undefined magic argument.
1950         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__SIMDUID_
1951         clause.
1952         * cfgloop.h (struct loop): Add simduid field.
1953         * Makefile.in (tree-vectorizer.o): Depend on $(HASH_TABLE_H)
1954         and tree-ssa-propagate.h.
1955         * tree-vect-data-refs.c (vect_analyze_data_refs): Check for SIMD
1956         lane access.
1957         * gimplify.c (omp_add_variable): Handle combination of aligned
1958         clause and some data sharing clause for the same decl.
1959         (gimplify_omp_for): For collapse (2) and above simd loops
1960         predetermine loop iteration vars as lastprivate instead of
1961         linear.
1962         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
1963         entries for OMP_CLAUSE__SIMDUID_.
1964         (walk_tree_1): Handle OMP_CLAUSE__SIMDUID_.
1965         * tree-vect-loop.c (vectorizable_live_operation): Handle live
1966         GOMP_SIMD_LANE result.
1967         * tree-vect-stmts.c (vectorizable_call): Vectorize GOMP_SIMD_LANE
1968         builtin.
1969         (vectorizable_store, vectorizable_load): Handle
1970         STMT_VINFO_SIMD_LANE_ACCESS_P.
1971         * internal-fn.c (expand_GOMP_SIMD_LANE, expand_GOMP_SIMD_VF,
1972         expand_GOMP_SIMD_LAST_LANE): New functions.
1973
1974 2013-06-21  Jakub Jelinek  <jakub@redhat.com>
1975
1976         * gimple.h (enum gf_mask): Adjust GF_OMP_FOR_COMBINED
1977         value representation, add GF_OMP_FOR_COMBINED_INTO.
1978         (gimple_omp_for_combined_into_p,
1979         gimple_omp_for_set_combined_into_p): New inlines.
1980         * gimplify.c (enum omp_region_type): Remove outdated
1981         ORT_SIMD comment.
1982         (struct gimplify_omp_ctx): Add combined_loop field.
1983         (gimplify_omp_for): Call gimple_omp_for_set_combined_into_p
1984         for inner for/simd constructs combined with an outer
1985         loop construct (for or distribute).
1986         * tree.c (omp_clause_num_ops): Add OMP_CLAUSE__LOOPTEMP_
1987         entry.
1988         (omp_clause_code_name): Likewise.
1989         (walk_tree_1): Handle OMP_CLAUSE__LOOPTEMP_.
1990         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__LOOPTEMP_.
1991         * tree.h (enum omp_clause_code): Add OMP_CLAUSE__LOOPTEMP_.
1992         (OMP_CLAUSE_DECL): Allow also on OMP_CLAUSE__LOOPTEMP_.
1993         * omp-low.c (extract_omp_for_data): Rename non_ws to simd.  Don't set
1994         fd->chunk_size for non-chunk OMP_CLAUSE_SCHEDULE_STATIC, unless
1995         fd->have_ordered.  For OMP_CLAUSE_SCHEDULE_STATIC non-ordered loops
1996         compute fd->iter_type the same as for simd.
1997         (get_ws_args_for): Add par_stmt argument, if
1998         gimple_omp_for_combined_into_p, use first two _looptemp_ clauses
1999         temporaries instead of fd->loop.n{1,2}.
2000         (determine_parallel_type): Adjust caller.
2001         (scan_sharing_clauses): Handle OMP_CLAUSE__LOOPTEMP_.
2002         (find_combined_for): New function.
2003         (scan_omp_parallel): If gimple_omp_parallel_combined_p and
2004         it is combined with gimple_omp_for_combined_into_p OMP_FOR,
2005         add OMP_CLAUSE__LOOPTEMP_ clauses to the parallel.
2006         (check_omp_nesting_restrictions): Don't insist that the only construct
2007         nested in OMP_DISTRIBUTE must be OMP_PARALLEL.
2008         (lower_rec_input_clauses, lower_send_clauses): Handle
2009         OMP_CLAUSE__LOOPTEMP_.
2010         (expand_omp_for_init_counts, expand_omp_for_init_vars,
2011         extract_omp_for_update_vars): New functions.
2012         (expand_omp_for_generic): Add inner_stmt argument.  Use
2013         expand_omp_for_{init,update}* helper functions.  Handle combined loop
2014         constructs.
2015         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk):
2016         Likewise.  Handle fd->collapse > 1 and broken_loop cases.
2017         (expand_omp_simd): Use expand_omp_for_init* helper functions.  Handle
2018         combined loop constructs.
2019         (expand_omp_for): Add inner_stmt argument.  Pass it through to
2020         expand_omp_for_{generic,static_{,no}chunk}.  Use
2021         expand_omp_for_static* even for fd->collapse > 1 and/or broken_loop
2022         cases, just not when fd->have_ordered.
2023         (expand_omp): Adjust expand_omp_for caller.
2024         (lower_omp_for): If gimple_omp_parallel_combined_p, add
2025         OMP_CLAUSE__LOOPTEMP_ clauses to the GIMPLE_FOR stmt.
2026
2027 2013-06-14  Jakub Jelinek  <jakub@redhat.com>
2028
2029         * gimple-pretty-print.c (dump_gimple_omp_for): Don't handle
2030         GF_OMP_FOR_KIND_FOR_SIMD.
2031         * gimple.h (GF_OMP_FOR_KIND_FOR_SIMD): Remove.
2032         (GF_OMP_FOR_COMBINED): New.
2033         (gimple_omp_for_combined_p, gimple_omp_for_set_combined_p): New
2034         inline functions.
2035         * gimplify.c (is_gimple_stmt): Don't handle OMP_FOR_SIMD.
2036         (find_combined_omp_for): New function.
2037         (gimplify_omp_for): Handle combined OMP_DISTRIBUTE and OMP_FOR
2038         loops.
2039         * Makefile.in (c-family/c-omp.o): Depend on $(C_PRAGMA_H).
2040         * omp-low.c (build_outer_var_ref): Fix up simd handling.
2041         (check_omp_nesting_restrictions): Don't handle
2042         GF_OMP_FOR_KIND_FOR_SIMD.
2043         * tree.def (OMP_FOR_SIMD): Remove.
2044         * tree-pretty-print.c (dump_generic_node): Don't handle OMP_FOR_SIMD.
2045         Handle NULL OMP_FOR_INIT.
2046
2047 2013-06-12  Jakub Jelinek  <jakub@redhat.com>
2048
2049         * gimplify.c (gimplify_scan_omp_clauses): Handle
2050         OMP_CLAUSE_THREAD_LIMIT.
2051         * tree-pretty-print.c (dump_omp_clause): Likewise.
2052         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
2053         OMP_CLAUSE_THREAD_LIMIT.
2054         * tree.h (enum omp_clause_code): Add OMP_CLAUSE_THREAD_LIMIT.
2055         (OMP_CLAUSE_THREAD_LIMIT_EXPR): Define.
2056
2057 2013-06-04  Jakub Jelinek  <jakub@redhat.com>
2058
2059         * gimplify.c (gimplify_scan_omp_clauses): Handle array
2060         sections on OMP_CLAUSE_{MAP,TO,FROM} clauses, handle
2061         OMP_CLAUSE_DEPEND clause.
2062         (gimplify_adjust_omp_clauses): Handle array sections on
2063         OMP_CLAUSE_MAP, handle OMP_CLAUSE_DEPEND clause.
2064         * tree.c (omp_clause_num_ops): OMP_CLAUSE_{MAP,TO,FROM}
2065         now have 2 arguments, move OMP_CLAUSE_UNIFORM before these
2066         3.
2067         (omp_clause_code_name): Adjust for OMP_CLAUSE_UNIFORM movement.
2068         (walk_tree_1): Adjust to handle 2 arguments of
2069         OMP_CLAUSE_{MAP,TO,FROM}.
2070         * tree-pretty-print.c (dump_omp_clause): For OMP_CLAUSE_{MAP,TO,FROM}
2071         print OMP_CLAUSE_SIZE, and for OMP_CLAUSE_MAP handle
2072         OMP_CLAUSE_MAP_POINTER.
2073         * tree.h (enum omp_clause_code): Move OMP_CLAUSE_UNIFORM before
2074         OMP_CLAUSE_{MAP,TO,FROM}.
2075         (OMP_CLAUSE_SIZE): Define.
2076         (enum omp_clause_map_kind): Add OMP_CLAUSE_MAP_POINTER.
2077         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_DEPEND.
2078
2079 2013-05-29  Jakub Jelinek  <jakub@redhat.com>
2080
2081         * omp-builtins.def (BUILT_IN_OMP_GET_TEAM_NUM,
2082         BUILT_IN_OMP_GET_NUM_TEAMS): New built-ins.
2083         * omp-low.c (extract_omp_for_data, expand_omp_for_static_nochunk,
2084         expand_omp_for_static_chunk): Handle #pragma omp distribute.
2085         (expand_omp_for): Add assertion for non-finished distribute collapse
2086         > 1 support.
2087         (check_omp_nesting_restrictions): Allow orphaned distribute construct.
2088
2089         * omp-low.c (check_omp_nesting_restrictions): Add some
2090         accelerator related nesting restrictions.
2091         (scan_omp_1_stmt): Call check_omp_nesting_restrictions
2092         even for GOMP_taskgroup_{start,end}.
2093         * gimplify.c (omp_notice_threadprivate_variable): Fix a typo.
2094         (gimplify_body): For functions with "omp declare target" attribute
2095         add ORT_TARGET region around the body.
2096
2097 2013-05-27  Jakub Jelinek  <jakub@redhat.com>
2098
2099         * tree.def (OMP_TEAMS, OMP_TARGET_DATA, OMP_TARGET,
2100         OMP_TARGET_UPDATE): New tree codes.
2101         * tree-cfg.c (make_edges): Handle GIMPLE_OMP_TARGET
2102         and GIMPLE_OMP_TEAMS.
2103         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_DIST_SCHEDULE.
2104         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_TARGET
2105         and GIMPLE_OMP_TEAMS.
2106         * tree.h (OMP_TEAMS_BODY, OMP_TEAMS_CLAUSES, OMP_TARGET_DATA_BODY,
2107         OMP_TARGET_DATA_CLAUSES, OMP_TARGET_BODY, OMP_TARGET_CLAUSES,
2108         OMP_TARGET_UPDATE_CLAUSES): Define.
2109         * tree-nested.c (convert_nonlocal_reference_stmt,
2110         convert_local_reference_stmt, convert_gimple_call): Handle
2111         GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
2112         * tree-inline.c (estimate_num_insns): Likewise.
2113         (remap_gimple_stmt): Likewise.  Adjust gimple_build_omp_for
2114         caller.
2115         * gimple.def: Adjust comments describing OMP_CLAUSEs.
2116         (GIMPLE_OMP_TARGET, GIMPLE_OMP_TEAMS): New GIMPLE stmts.
2117         * tree-parloops.c (create_parallel_loop): Adjust gimple_build_omp_for
2118         caller.
2119         * tree-pretty-print.c (dump_generic_node): Handle OMP_TEAMS,
2120         OMP_TARGET, OMP_TARGET_DATA and OMP_TARGET_UPDATE.
2121         * gimple.h (GF_OMP_TARGET_KIND_MASK, GF_OMP_TARGET_KIND_REGION,
2122         GF_OMP_TARGET_KIND_DATA, GF_OMP_TARGET_KIND_UPDATE): New.
2123         (gimple_build_omp_for): Add kind argument to prototype.
2124         (gimple_build_omp_target, gimple_build_omp_teams): New prototypes.
2125         (gimple_has_substatements): Handle GIMPLE_OMP_TARGET and
2126         GIMPLE_OMP_TEAMS.
2127         (gimple_omp_subcode): Change GIMPLE_OMP_SINGLE to GIMPLE_OMP_TEAMS.
2128         (gimple_omp_target_clauses, gimple_omp_target_clauses_ptr,
2129         gimple_omp_target_set_clauses, gimple_omp_target_kind,
2130         gimple_omp_target_set_kind, gimple_omp_teams_clauses,
2131         gimple_omp_teams_clauses_ptr, gimple_omp_teams_set_clauses): New
2132         inline functions.
2133         (gimple_return_set_retval): Handle GIMPLE_OMP_TARGET and
2134         GIMPLE_OMP_TEAMS.
2135         * gimple.c (gimple_build_omp_for): Add kind argument, call
2136         gimple_omp_for_set_kind.
2137         (gimple_build_omp_target, gimple_build_omp_teams): New functions.
2138         (walk_gimple_op, walk_gimple_stmt, gimple_copy): Handle
2139         GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
2140         * gimple-pretty-print.c (dump_gimple_omp_target,
2141         dump_gimple_omp_teams): New functions.
2142         (pp_gimple_stmt_1): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
2143         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_MAP.
2144         (enum omp_region_type): Add ORT_TEAMS, ORT_TARGET and ORT_TARGET_DATA.
2145         (omp_add_variable): Add temporary assertions.
2146         (omp_notice_threadprivate_variable): Complain if threadprivate vars
2147         appear in target region.
2148         (omp_notice_variable): ORT_TARGET, ORT_TARGET_DATA and ORT_TEAMS
2149         handling.
2150         (omp_check_private): Ignore ORT_TARGET and ORT_TARGET_DATA regions.
2151         (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_MAP, OMP_CLAUSE_TO,
2152         OMP_CLAUSE_FROM, OMP_CLAUSE_NUM_TEAMS, OMP_CLAUSE_DIST_SCHEDULE
2153         and OMP_CLAUSE_DEVICE.
2154         (gimplify_adjust_omp_clauses): Likewise.
2155         (gimplify_adjust_omp_clauses_1): Handle GOVD_MAP.  Fix up
2156         check for privatization by also testing for GOVD_LINEAR.
2157         (gimplify_omp_for): Adjust gimple_build_omp_for caller.
2158         Clear *expr_p.
2159         (gimplify_omp_workshare): Handle also OMP_TARGET, OMP_TARGET_DATA
2160         and OMP_TEAMS.  Clear *expr_p.
2161         (gimplify_omp_target_update): New function.
2162         (gimplify_expr): Handle OMP_TARGET, OMP_TARGET_DATA, OMP_TARGET_UPDATE
2163         and OMP_TEAMS.
2164
2165 2013-05-20  Jakub Jelinek  <jakub@redhat.com>
2166
2167         * omp-low.c (expand_omp_simd): For collapse > 1 loops,
2168         if some loop condition might be not true initially, add runtime
2169         test and skip the whole loop.
2170
2171 2013-05-14  Jakub Jelinek  <jakub@redhat.com>
2172
2173         * cfgloop.h (struct loop): Add safelen and force_vect fields.
2174         * function.h (struct function): Add has_force_vect_loops field.
2175         * omp-low.c (expand_omp_simd): If !broken_loop, create loop for
2176         the simd region and set safelen and force_vect fields in it.
2177         * tree-vectorizer.c (vectorize_loops): If loop has force_vect set,
2178         vectorize it even if flag_vectorize isn't set.  Clear loop->force_vect
2179         after vectorization.
2180         * tree-ssa-loop.c (gate_tree_vectorize): Return true even
2181         cfun->has_force_vect_loops.
2182         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely_1): Don't
2183         unroll loops with loop->force_vect.
2184         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): For
2185         unknown or bad data dependency, if loop->safelen is non-zero, just
2186         decrease *max_vf to loop->safelen if needed and return false.
2187         * tree-if-conv.c (main_tree_if_conversion): If-convert also loops with
2188         loop->force_vect.
2189         (gate_tree_if_conversion): Return true even if
2190         cfun->has_force_vect_loops.
2191
2192 2013-05-09  Jakub Jelinek  <jakub@redhat.com>
2193
2194         * tree.c (omp_declare_simd_clauses_equal): New function.
2195         (attribute_value_equal): Call it for -fopenmp if
2196         TREE_VALUE of the attributes are both OMP_CLAUSEs.
2197         * tree.h (omp_declare_simd_clauses_equal): Declare.
2198
2199 2013-04-30  Jakub Jelinek  <jakub@redhat.com>
2200
2201         * gimple-pretty-print.c (dump_gimple_omp_atomic_load,
2202         dump_gimple_omp_atomic_store): Handle gimple_omp_atomic_seq_cst_p.
2203         * gimple.h (enum gf_mask): Add GF_OMP_ATOMIC_SEQ_CST.
2204         (gimple_omp_atomic_set_seq_cst, gimple_omp_atomic_seq_cst_p): New
2205         inline functions.
2206         * omp-low.c (expand_omp_atomic_load, expand_omp_atomic_store,
2207         expand_omp_atomic_fetch_op): If gimple_omp_atomic_seq_cst_p,
2208         pass MEMMODEL_SEQ_CST instead of MEMMODEL_RELAXED to the builtin.
2209         * gimplify.c (gimplify_omp_atomic): Handle OMP_ATOMIC_SEQ_CST.
2210         * tree-pretty-print.c (dump_generic_node): Handle OMP_ATOMIC_SEQ_CST.
2211         * tree.def (OMP_ATOMIC): Add comment that OMP_ATOMIC* must stay
2212         consecutive.
2213         * tree.h (OMP_ATOMIC_SEQ_CST): Define.
2214
2215         * omp-low.c (check_omp_nesting_restrictions): Diagnose
2216         OpenMP constructs nested inside simd region.  Don't treat
2217         #pragma omp simd as work-sharing region.  Disallow work-sharing
2218         constructs inside of critical region.  Complain if ordered
2219         region is nested inside of parallel region without loop
2220         region in between.
2221         (scan_omp_1_stmt): Call check_omp_nesting_restrictions even
2222         for GOMP_{cancel{,lation_point},taskyield,taskwait} calls.
2223
2224 2013-04-23  Jakub Jelinek  <jakub@redhat.com>
2225
2226         * Makefile.in (omp-low.o): Depend on $(TARGET_H).
2227         * gimplify.c (gimplify_adjust_omp_clauses): For linear clauses
2228         if outer_context is non-NULL, but not ORT_COMBINED_PARALLEL,
2229         call omp_notice_variable.  Remove aligned clauses that can't
2230         be handled yet.
2231         * omp-low.c: Include target.h.
2232         (scan_sharing_clauses): For aligned clauses with global arrays
2233         register local replacement.
2234         (omp_clause_aligned_alignment): New function.
2235         (lower_rec_input_clauses): For aligned clauses for global
2236         arrays or automatic pointers emit __builtin_assume_aligned
2237         before the loop if possible.
2238         (expand_omp_regimplify_p, expand_omp_build_assign): New functions.
2239         (expand_omp_simd): Use them.  Handle pointer iterators and broken
2240         loops.
2241         (lower_omp_for): Call lower_omp on gimple_omp_body_ptr after
2242         calling lower_rec_input_clauses, not before it.
2243
2244 2013-04-19  Jakub Jelinek  <jakub@redhat.com>
2245
2246         * tree.h (OMP_CLAUSE_LINEAR_NO_COPYIN,
2247         OMP_CLAUSE_LINEAR_NO_COPYOUT): Define.
2248         * omp-low.c (extract_omp_for_data): Handle #pragma omp simd.
2249         (build_outer_var_ref): For #pragma omp simd allow linear etc.
2250         clauses to bind even to private vars.
2251         (scan_sharing_clauses): Handle OMP_CLAUSE_LINEAR, OMP_CLAUSE_ALIGNED
2252         and OMP_CLAUSE_SAFELEN.
2253         (lower_rec_input_clauses): Handle OMP_CLAUSE_LINEAR.  Don't emit
2254         a GOMP_barrier call for firstprivate/lastprivate in #pragma omp simd.
2255         (lower_lastprivate_clauses): Handle also OMP_CLAUSE_LINEAR.
2256         (expand_omp_simd): New function.
2257         (expand_omp_for): Handle #pragma omp simd.
2258         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_LINEAR and
2259         GOVD_ALIGNED, add GOVD_LINEAR into GOVD_DATA_SHARE_CLASS.
2260         (enum omp_region_type): Add ORT_SIMD.
2261         (gimple_add_tmp_var, gimplify_var_or_parm_decl, omp_check_private,
2262         omp_firstprivatize_variable, omp_notice_variable): Handle ORT_SIMD
2263         like ORT_WORKSHARE.
2264         (omp_is_private): Likewise.  Add SIMD argument, tweak diagnostics
2265         and add extra errors in simd constructs.
2266         (gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses): Handle
2267         OMP_CLAUSE_LINEAR, OMP_CLAUSE_ALIGNED and OMP_CLAUSE_SAFELEN.
2268         (gimplify_adjust_omp_clauses_1): Handle GOVD_LASTPRIVATE and
2269         GOVD_ALIGNED.
2270         (gimplify_omp_for): Handle #pragma omp simd.
2271
2272 2013-04-10  Jakub Jelinek  <jakub@redhat.com>
2273
2274         * builtin-types.def (DEF_FUNCTION_TYPE_8): Document.
2275         (BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2276         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): Remove.
2277         (BT_FN_VOID_OMPFN_PTR_UINT_UINT_UINT,
2278         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_UINT,
2279         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG_UINT): New.
2280         * gimplify.c (gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses):
2281         Handle OMP_CLAUSE_PROC_BIND.
2282         * omp-builtins.def (BUILT_IN_GOMP_TASKGROUP_START,
2283         BUILT_IN_GOMP_TASKGROUP_END, BUILT_IN_GOMP_PARALLEL_LOOP_STATIC,
2284         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC,
2285         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED,
2286         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME, BUILT_IN_GOMP_PARALLEL,
2287         BUILT_IN_GOMP_PARALLEL_SECTIONS): New built-ins.
2288         (BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2289         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2290         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2291         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2292         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2293         BUILT_IN_GOMP_PARALLEL_SECTIONS_START): Remove.
2294         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_PROC_BIND.
2295         (expand_parallel_call): Expand #pragma omp parallel* as
2296         calls to the new GOMP_parallel_* APIs without _start at the end,
2297         instead of GOMP_parallel_*_start followed by fn.omp_fn.N call,
2298         followed by GOMP_parallel_end.  Handle OMP_CLAUSE_PROC_BIND.
2299         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
2300         call_may_clobber_ref_p_1): Handle BUILT_IN_GOMP_TASKGROUP_END
2301         instead of BUILT_IN_GOMP_PARALLEL_END.
2302
2303 2013-03-27  Jakub Jelinek  <jakub@redhat.com>
2304
2305         * gimple-pretty-print.c (dump_gimple_omp_for): Handle different
2306         GIMPLE_OMP_FOR kinds.
2307         * tree.def (OMP_SIMD, OMP_FOR_SIMD, OMP_DISTRIBUTE): New tree codes.
2308         * gimple.h (enum gf_mask): Add GF_OMP_FOR_KIND_MASK,
2309         GF_OMP_FOR_KIND_FOR, GF_OMP_FOR_KIND_SIMD, GF_OMP_FOR_KIND_FOR_SIMD
2310         and GF_OMP_FOR_KIND_DISTRIBUTE.
2311         (gimple_omp_for_kind, gimple_omp_for_set_kind): New inline functions.
2312         * gimplify.c (is_gimple_stmt, gimplify_omp_for, gimplify_expr): Handle
2313         OMP_SIMD, OMP_FOR_SIMD and OMP_DISTRIBUTE.
2314         * tree.c (omp_clause_num_ops, omp_clause_code_name, walk_tree_1):
2315         Handle new OpenMP 4.0 clauses.
2316         * tree-pretty-print.c (dump_omp_clause): Likewise.
2317         (dump_generic_node): Handle OMP_SIMD, OMP_FOR_SIMD and OMP_DISTRIBUTE.
2318         * tree.h (enum omp_clause_code): Add OMP_CLAUSE_LINEAR,
2319         OMP_CLAUSE_ALIGNED, OMP_CLAUSE_DEPEND, OMP_CLAUSE_FROM, OMP_CLAUSE_TO,
2320         OMP_CLAUSE_UNIFORM, OMP_CLAUSE_MAP, OMP_CLAUSE_DEVICE,
2321         OMP_CLAUSE_DIST_SCHEDULE, OMP_CLAUSE_INBRANCH, OMP_CLAUSE_NOTINBRANCH,
2322         OMP_CLAUSE_NUM_TEAMS, OMP_CLAUSE_PROC_BIND, OMP_CLAUSE_SAFELEN,
2323         OMP_CLAUSE_SIMDLEN, OMP_CLAUSE_FOR, OMP_CLAUSE_PARALLEL,
2324         OMP_CLAUSE_SECTIONS and OMP_CLAUSE_TASKGROUP.
2325         (OMP_LOOP_CHECK): Define.
2326         (OMP_FOR_BODY, OMP_FOR_CLAUSES, OMP_FOR_INIT, OMP_FOR_COND,
2327         OMP_FOR_INCR, OMP_FOR_PRE_BODY): Use OMP_LOOP_CHECK instead of
2328         OMP_FOR_CHECK.
2329         (OMP_CLAUSE_DECL): Extend check range up to OMP_CLAUSE_MAP.
2330         (OMP_CLAUSE_LINEAR_STEP, OMP_CLAUSE_ALIGNED_ALIGNMENT,
2331         OMP_CLAUSE_NUM_TEAMS_EXPR, OMP_CLAUSE_DEVICE_ID,
2332         OMP_CLAUSE_DIST_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SAFELEN_EXPR,
2333         OMP_CLAUSE_SIMDLEN_EXPR): Define.
2334         (enum omp_clause_depend_kind, enum omp_clause_map_kind,
2335         enum omp_clause_proc_bind_kind): New enums.
2336         (OMP_CLAUSE_DEPEND_KIND, OMP_CLAUSE_MAP_KIND,
2337         OMP_CLAUSE_PROC_BIND_KIND): Define.
2338         (struct tree_omp_clause): Add subcode.depend_kind, subcode.map_kind
2339         and subcode.proc_bind_kind.
2340         (find_omp_clause): New prototype.
2341         * omp-builtins.def (BUILT_IN_GOMP_CANCEL,
2342         BUILT_IN_GOMP_CANCELLATION_POINT): New built-ins.
2343         * tree-flow.h (find_omp_clause): Remove prototype.
2344 \f
2345 Copyright (C) 2013-2015 Free Software Foundation, Inc.
2346
2347 Copying and distribution of this file, with or without modification,
2348 are permitted in any medium without royalty provided the copyright
2349 notice and this notice are preserved.