gcc/ChangeLog.gomp

   1 2013-11-07  Thomas Schwinge  <thomas@codesourcery.com>
   2
   3         * gimple.def (GIMPLE_OACC_PARALLEL): New code.
   4         * doc/gimple.texi: Document it.
   5         * gimple.h (gimple_build_oacc_parallel): New declaration.
   6         (gimple_oacc_parallel_clauses, gimple_oacc_parallel_clauses_ptr)
   7         (gimple_oacc_parallel_set_clauses, gimple_oacc_parallel_child_fn)
   8         (gimple_oacc_parallel_child_fn_ptr)
   9         (gimple_oacc_parallel_set_child_fn, gimple_oacc_parallel_data_arg)
  10         (gimple_oacc_parallel_data_arg_ptr)
  11         (gimple_oacc_parallel_set_data_arg): New inline functions.
  12         (CASE_GIMPLE_OMP): Add GIMPLE_OACC_PARALLEL.
  13         * gimple.c (gimple_build_oacc_parallel): New function.
  14         (walk_gimple_op, walk_gimple_stmt, gimple_copy): Handle
  15         GIMPLE_OACC_PARALLEL.
  16         * gimplify.c (is_gimple_stmt): Handle GIMPLE_OACC_PARALLEL.
  17         (gimplify_oacc_parallel): New function.
  18         (gimplify_expr): Handle OACC_PARALLEL.
  19         * cgraphbuild.c (build_cgraph_edges): Handle GIMPLE_OACC_PARALLEL.
  20         * gimple-low.c (lower_stmt): Likewise.
  21         * gimple-pretty-print.c (pp_gimple_stmt_1): Likewise.
  22         (dump_gimple_oacc_parallel): New function.
  23         * oacc-builtins.def (BUILT_IN_GOACC_PARALLEL): New macro.
  24         * omp-low.c (scan_oacc_parallel, expand_oacc_parallel)
  25         (lower_oacc_parallel): New functions.
  26         (use_pointer_for_field, build_outer_var_ref, scan_sharing_clauses)
  27         (create_omp_child_function, check_omp_nesting_restrictions)
  28         (scan_omp_1_stmt, lower_rec_simd_input_clauses)
  29         (lower_lastprivate_clauses, lower_reduction_clauses)
  30         (lower_copyprivate_clauses, lower_send_clauses)
  31         (lower_send_shared_vars, expand_omp)
  32         (maybe_add_implicit_barrier_cancel, create_task_copyfn)
  33         (lower_omp_1, make_gimple_omp_edges): Handle GIMPLE_OACC_PARALLEL,
  34         or catch it.
  35         * tree-inline.c (remap_gimple_stmt): Likewise.
  36         * tree-nested.c (convert_nonlocal_reference_stmt)
  37         (convert_local_reference_stmt, convert_tramp_reference_stmt)
  38         (convert_gimple_call): Likewise.
  39
  40         * tree.def (OACC_PARALLEL): New code.
  41         * doc/generic.texi (OpenMP): Document it.
  42         * tree.h (OMP_BODY, OMP_CLAUSES): Include it.
  43         (OACC_PARALLEL_BODY, OACC_PARALLEL_CLAUSES): New macros.
  44         * tree-pretty-print.c (dump_generic_node): Handle OACC_PARALLEL.
  45
  46         * doc/invoke.texi (-fopenacc): Update.
  47
  48         * gimplify.c (gimplify_body): Consider flag_openacc additionally
  49         to flag_openmp.
  50         * omp-low.c (execute_expand_omp, execute_lower_omp)
  51         (gate_diagnose_omp_blocks): Likewise.
  52
  53         * oacc-builtins.def: New file.
  54         * Makefile.in (BUILTINS_DEF): Add oacc-builtins.def.
  55         * builtins.def (DEF_GOACC_BUILTIN): New macro.
  56         Include "oacc-builtins.def".
  57
  58         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): For -fopenacc, link
  59         to libgomp and its dependencies.
  60         * config/arc/arc.h (LINK_COMMAND_SPEC): Likewise.
  61         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
  62         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
  63         * config/ia64/hpux.h (LIB_SPEC): Likewise.
  64         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
  65         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
  66         * doc/invoke.texi (-fopenacc): Update.
  67
  68         * doc/invoke.texi (-fopenacc): Document it.
  69         * doc/sourcebuild.texi (fopenacc): Document it.
  70
  71         Backport from trunk, r204517:
  72
  73         * config/arc/arc.h (LINK_COMMAND_SPEC): For
  74         -ftree-parallelize-loops=*, link to libgomp and its dependencies.
  75         * config/ia64/hpux.h (LIB_SPEC): Likewise.
  76         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
  77         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
  78         * gcc.c (GOMP_SELF_SPECS): Update comment about libgomp's
  79         dependencies.
  80
  81 2013-11-07  Aldy Hernandez  <aldyh@redhat.com>
  82
  83         * omp-low.c (ipa_simd_modify_function_body): Avoid
  84         regimplification of GIMPLE_RETURNs.
  85
  86 2013-11-06  Aldy Hernandez  <aldyh@redhat.com>
  87
  88         * ipa-prop.h (sra_ipa_get_adjustment_candidate): Protoize.
  89         * omp-low.c (struct modify_stmt_info): New.
  90         (ipa_simd_modify_function_body_ops_1): Remove.
  91         (ipa_simd_modify_stmt_ops): New.
  92         (ipa_simd_modify_function_body_ops): Remove.
  93         (ipa_simd_modify_function_body): Set new callback info.
  94         Remove special casing.  Handle all operators with walk_gimple_op.
  95         * tree-sra.c (get_ssa_base_param): Add new argument.  Use it.
  96         (disqualify_base_of_expr): Pass new argument to
  97         get_ssa_base_param.
  98         (sra_ipa_modify_expr): Abstract candidate search into...
  99         (sra_ipa_get_adjustment_candidate): ...here.
 100
 101 2013-11-06  Aldy Hernandez  <aldyh@redhat.com>
 102
 103         * omp-low.c (simd_clone_mangle): Linear step of 1 is mangled as
 104         'l'.
 105
 106 2013-11-04  Aldy Hernandez  <aldyh@redhat.com>
 107
 108         * omp-low.c (ipa_simd_modify_function_body): Adjust tree operands
 109         on the LHS of an assign.
 110         (ipa_simd_modify_function_body_ops_1): New.
 111         (ipa_simd_modify_function_body_ops): New.
 112
 113 2013-11-02  Aldy Hernandez  <aldyh@redhat.com>
 114
 115         * omp-low.c (ipa_simd_modify_function_body): Handle empty returns.
 116
 117 2013-11-01  Jakub Jelinek  <jakub@redhat.com>
 118
 119         * cgraph.h (enum linear_stride_type): Remove.
 120         (enum simd_clone_arg_type): New.
 121         (struct simd_clone_arg): Remove linear_stride, linear_stride_num
 122         and uniform fields.  Add arg_type and linear_step.
 123         * omp-low.c (simd_clone_struct_copy): Formatting.
 124         (simd_clone_struct_alloc): Likewise.  Use size_t.
 125         (simd_clone_clauses_extract, simd_clone_compute_base_data_type,
 126         simd_clone_adjust_argument_types): Adjust for struct simd_clone_arg
 127         changes.
 128         (simd_clone_mangle): Likewise.  Handle negative linear step.
 129
 130 2013-11-01  Aldy Hernandez  <aldyh@redhat.com>
 131
 132         * tree-vect-stmts.c: Include cgraph.h.
 133         (vectorizable_call): Allow > 3 arguments when a SIMD clone may be
 134         available.
 135         (vectorizable_function): Use SIMD clone if available.
 136         * ipa-cp.c (determine_versionability): Nodes with SIMD clones are
 137         not versionable.
 138         * ggc.h (ggc_alloc_cleared_simd_clone_stat): New.
 139         * cgraph.h (enum linear_stride_type): New.
 140         (struct simd_clone_arg): New.
 141         (struct simd_clone): New.
 142         (struct cgraph_node): Add simdclone and simdclone_of fields.
 143         (get_simd_clone): Protoize.
 144         * cgraph.c (get_simd_clone): New.
 145         Add `has_simd_clones' field.
 146         * ipa-cp.c (determine_versionability): Disallow functions with
 147         simd clones.
 148         * ipa-prop.h (ipa_sra_modify_function_body): Protoize.
 149         (sra_ipa_modify_expr): Same.
 150         (struct ipa_parm_adjustment): Add new_arg_prefix and new_param
 151         fields.  Document their use.
 152         * ipa-prop.c (ipa_modify_formal_parameters): Handle creating brand
 153         new parameters and minor cleanups.
 154         * omp-low.c: Add new pass_omp_simd_clone support code.
 155         (make_pass_omp_simd_clone): New.
 156         (pass_data_omp_simd_clone): Declare.
 157         (class pass_omp_simd_clone): Declare.
 158         (vecsize_mangle): New.
 159         (ipa_omp_simd_clone): New.
 160         (simd_clone_clauses_extract): New.
 161         (simd_clone_compute_base_data_type): New.
 162         (simd_clone_compute_vecsize_and_simdlen): New.
 163         (simd_clone_create): New.
 164         (simd_clone_adjust_return_type): New.
 165         (simd_clone_adjust_return_types): New.
 166         (simd_clone_adjust): New.
 167         (simd_clone_init_simd_arrays): New.
 168         (ipa_simd_modify_function_body): New.
 169         (simd_clone_mangle): New.
 170         (simd_clone_struct_alloc): New.
 171         (simd_clone_struct_copy): New.
 172         (class argno_map): New.
 173         (argno_map::argno_map(tree)): New.
 174         (argno_map::~argno_map): New.
 175         (argno_map::operator []): New.
 176         (argno_map::length): New.
 177         (expand_simd_clones): New.
 178         (create_tmp_simd_array): New.
 179         * tree.h (OMP_CLAUSE_LINEAR_VARIABLE_STRIDE): New.
 180         * tree-core.h (OMP_CLAUSE_LINEAR_VARIABLE_STRIDE): Document.
 181         * tree-pass.h (make_pass_omp_simd_clone): New.
 182         * passes.def (pass_omp_simd_clone): New.
 183         * target.def: Define new hook prefix "TARGET_CILKPLUS_".
 184         (default_vecsize_mangle): New.
 185         (vecsize_for_mangle): New.
 186         * doc/tm.texi.in: Add placeholder for
 187         TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE and
 188         TARGET_CILKPLUS_VECSIZE_FOR_MANGLE.
 189         * tree-sra.c (sra_ipa_modify_expr): Remove static modifier.
 190         (ipa_sra_modify_function_body): Same.
 191         * tree.h (OMP_CLAUSE_LINEAR_VARIABLE_STRIDE): Define.
 192         * doc/tm.texi: Regenerate.
 193         * config/i386/i386.c (ix86_cilkplus_default_vecsize_mangle): New.
 194         (ix86_cilkplus_vecsize_for_mangle): New.
 195         (TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE): New.
 196         (TARGET_CILKPLUS_VECSIZE_FOR_MANGLE): New.
 197
 198 2013-10-10  Jakub Jelinek  <jakub@redhat.com>
 199
 200         * tree.c (omp_remove_redundant_declare_simd_attrs): Adjust
 201         for the clauses being stored into TREE_VALUE of an extra TREE_LIST
 202         pointed out by TREE_VALUE of the attribute.
 203
 204 2013-10-04  Jakub Jelinek  <jakub@redhat.com>
 205
 206         * omp-low.c (expand_omp_target): When handling IF clause on
 207         #pragma omp target, split new_bb rather than entry_bb.  If
 208         not GF_OMP_TARGET_KIND_REGION, split new_bb right before
 209         the GOMP_TARGET stmt, rather than after labels.
 210
 211 2013-09-26  Jakub Jelinek  <jakub@redhat.com>
 212
 213         * omp-low.c (expand_task_call): If there are depend clauses,
 214         pass bit 8 in 7th argument and pass pointer to depend array
 215         as 8th argument.
 216         (lower_depend_clauses): New function.
 217         (lower_omp_taskreg): Handle depend clauses.
 218         * omp-builtins.def (BUILT_IN_GOMP_TASK): Use
 219         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR
 220         instead of BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT.
 221         * builtin-types.def
 222         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): Remove.
 223         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR): New.
 224
 225 2013-09-25  Jakub Jelinek  <jakub@redhat.com>
 226
 227         * omp-low.c (lower_omp_sections, lower_omp_for, lower_omp_taskreg):
 228         Emit ctx->cancel_label before destructors.
 229
 230         * gimple-pretty-print.c (dump_gimple_omp_block,
 231         pp_gimple_stmt_1): Handle GIMPLE_OMP_TASKGROUP.
 232         * tree-nested.c (convert_nonlocal_reference_stmt,
 233         convert_local_reference_stmt, convert_gimple_call): Likewise.
 234         * tree-cfg.c (make_edges): Likewise.
 235         * gimple.h (gimple_build_omp_taskgroup): New prototype.
 236         (gimple_has_substatement): Handle GIMPLE_OMP_TASKGROUP.
 237         (CASE_GIMPLE_OMP): Likewise.
 238         * gimplify.c (is_gimple_stmt, gimplify_expr): Handle OMP_TASKGROUP.
 239         * omp-low.c (check_omp_nesting_restrictions): Warn if #pragma omp
 240         cancel is used in nowait loop or sections construct.
 241         (scan_omp_1_stmt, expand_omp_synch, expand_omp, lower_omp_1): Handle
 242         GIMPLE_OMP_TASKGROUP.
 243         (diagnose_sb_1, diagnose_sb_2): Likewise.  Handle GIMPLE_OMP_TARGET
 244         and GIMPLE_OMP_TEAMS.
 245         (lower_omp_taskgroup): New function.
 246         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Handle
 247         GIMPLE_OMP_TASKGROUP.
 248         * gimple-low.c (lower_stmt): Likewise.
 249         * tree.h (OMP_TASKGROUP_BODY): Define.
 250         * tree.def (OMP_TASKGROUP): New tree.
 251         * tree-pretty-print.c (dump_generic_node): Handle OMP_TASKGROUP.
 252         * gimple.c (gimple_build_omp_taskgroup): New function.
 253         (walk_gimple_stmt, gimple_copy): Handle GIMPLE_OMP_TASKGROUP.
 254         * gimple.def (GIMPLE_OMP_TASKGROUP): New GIMPLE code.
 255
 256 2013-09-19  Jakub Jelinek  <jakub@redhat.com>
 257
 258         * omp-builtins.def (BUILT_IN_GOMP_TARGET_DATA,
 259         BUILT_IN_GOMP_TARGET_UPDATE): Use BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR
 260         rather than BT_FN_VOID_INT_SIZE_PTR_PTR_PTR.
 261         * builtin-types.def (BT_FN_VOID_INT_SIZE_PTR_PTR_PTR): Remove.
 262         (BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR): New.
 263         * omp-low.c (expand_omp_target): Remove fnname argument from
 264         GOMP_target, add openmp_target argument to GOMP_target,
 265         GOMP_target_data and GOMP_target_update calls.
 266
 267 2013-09-18  Jakub Jelinek  <jakub@redhat.com>
 268
 269         * tree.h (OMP_CLAUSE_REDUCTION_OMP_ORIG_REF): Define.
 270         * tree-core.h (OMP_CLAUSE_REDUCTION_OMP_ORIG_REF): Document.
 271         * omp-low.c (lower_rec_simd_input_clauses): Don't set DECL_VALUE_EXPR
 272         on new_var if it is not a DECL_P.
 273         (lower_rec_input_clauses): Don't force max_vf = 1
 274         if OMP_CLAUSE_REDUCTION_PLACEHOLDER.  Add barrier also if any
 275         OMP_CLAUSE_REDUCTION_OMP_ORIG_REF is seen.  For OMP_CLAUSE_PRIVATE
 276         in simd, fix last argument to omp_clause_default_ctor langhook.
 277         Handle OMP_CLAUSE_REDUCTION_PLACEHOLDER in simd loops, if
 278         OMP_CLAUSE_REDUCTION_GIMPLE_INIT is NULL, emit omp_clause_default_ctor
 279         if any and emit omp_clause_dtor if any.  Handle C++ references in
 280         OMP_CLAUSE_REDUCTION clauses.
 281         (lower_reduction_clauses): Adjust comment for UDRs.  Handle
 282         C++ references in OMP_CLAUSE_REDUCTION clauses.
 283         (lower_omp_taskreg): Emit reduction merges before destructors.
 284         * tree-pretty-print.c (dump_omp_clause): Don't emit any reduction
 285         operator name if OMP_CLAUSE_REDUCTION_CODE is ERROR_MARK.
 286         * gimplify.c (omp_add_variable): Ignore GOVD_LOCAL decls for which
 287         privatize_by_reference returns true.
 288
 289         * tree-core.h (OMP_CLAUSE_DEPEND_KIND, OMP_CLAUSE_MAP_KIND,
 290         OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION, OMP_CLAUSE_PROC_BIND_KIND):
 291         Move definitions...
 292         * tree.h (OMP_CLAUSE_DEPEND_KIND, OMP_CLAUSE_MAP_KIND,
 293         OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION, OMP_CLAUSE_PROC_BIND_KIND):
 294         ... here.
 295
 296 2013-09-16  Jakub Jelinek  <jakub@redhat.com>
 297
 298         * omp-low.c (install_var_field): Use (mask & 4) to request double
 299         indirection.
 300         (scan_sharing_clauses): For OMP_CLAUSE_MAP_POINTER arrays pass
 301         7 instead of 3 to install_var_field.
 302         (lower_omp_target): For OMP_CLAUSE_MAP_POINTER arrays add extra
 303         indirection.
 304
 305 2013-09-06  Jakub Jelinek  <jakub@redhat.com>
 306
 307         * omp-low.c (scan_sharing_clauses): Handle VLAs in
 308         OMP_CLAUSE_{MAP,TO,FROM}.  Set DECL_ALIGN (field) before
 309         calling insert_field_into_struct.
 310         (scan_omp_target): Reverse TYPE_FIELDS, verify that
 311         all field alignments are the same.
 312         (lower_omp_target): Use maybe_lookup_field instead of
 313         lookup_sfield to check if field is present.  Handle VLAs.
 314         * tree-pretty-print.c (dump_omp_clause): Only check
 315         OMP_CLAUSE_MAP_KIND on OMP_CLAUSE_MAP clauses.
 316         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_MAP_TO_ONLY.
 317         (omp_firstprivatize_variable, omp_add_variable,
 318         gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Handle
 319         VLAs in OMP_CLAUSE_{MAP,TO,FROM}.
 320
 321 2013-09-05  Jakub Jelinek  <jakub@redhat.com>
 322
 323         * gimplify.c (gimplify_call_expr): Don't call fold_stmt
 324         inside of #pragma omp target construct.
 325         (gimplify_modify_expr): Likewise.
 326         * omp-low.c (target_nesting_level): New variable.
 327         (lower_omp_target): Increase/restore target_nesting_level
 328         around lowering #pragma omp target body.  Use TYPE_SIZE_UNIT
 329         instead of TYPE_SIZE if OMP_CLAUSE_SIZE is missing.
 330         Or log2 of needed alignment into high 5 bits of kind.
 331         (lower_omp): Call fold_stmt on all stmts inside of
 332         #pragma omp target construct.
 333
 334         * tree-cfg.c (make_edges): For GIMPLE_OMP_TARGET
 335         with GF_OMP_TARGET_KIND_UPDATE, don't look for
 336         GIMPLE_OMP_RETURN and immediately restore previous
 337         region.
 338         * langhooks.c (lhd_omp_mappable_type): New function.
 339         * omp-low.c (scan_sharing_clauses): Ignore OMP_CLAUSE_SHARED
 340         in GIMPLE_OMP_TEAMS constructs.  Handle OMP_CLAUSE_NUM_TEAMS,
 341         OMP_CLAUSE_THREAD_LIMIT, OMP_CLAUSE_DEVICE, OMP_CLAUSE_MAP,
 342         OMP_CLAUSE_TO and OMP_CLAUSE_FROM.
 343         (create_omp_child_function): If current function has
 344         "omp declare target" attribute or if current region
 345         is OMP_TARGET or lexically nested in it, add that
 346         attribute to the omp child function.
 347         (scan_omp_target, scan_omp_teams): New functions.
 348         (check_omp_nesting_restrictions): Fix a typo in TEAMS nesting
 349         check.
 350         (scan_omp_1_stmt): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
 351         (lower_rec_input_clauses): Ignore OMP_CLAUSE_SHARED
 352         in GIMPLE_OMP_TEAMS constructs.
 353         (expand_omp_synch): Handle GIMPLE_OMP_TEAMS.
 354         (expand_omp_target): New function.
 355         (expand_omp): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
 356         (build_omp_regions_1): For GIMPLE_OMP_TARGET with
 357         GF_OMP_TARGET_KIND_UPDATE, don't look for GIMPLE_OMP_RETURN and
 358         immediately restore previous region.
 359         (lower_omp_single): Emit a CLOBBER stmt after GIMPLE_OMP_RETURN.
 360         (lower_omp_taskreg): Likewise.
 361         (lower_omp_target, lower_omp_teams): New functions.
 362         (lower_omp_1): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
 363         * tree.h (enum omp_clause_map_kind): Improve description of
 364         OMP_CLAUSE_MAP_POINTER.
 365         (OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION): Define.
 366         * gimple.def (GIMPLE_OMP_TARGET): Use GSS_OMP_PARALLEL instead
 367         of GSS_OMP_SINGLE.
 368         * langhooks.h (struct lang_hooks_for_types): Add
 369         omp_mappable_type hook.
 370         * langhooks-def.h (lhd_omp_mappable_type): New prototype.
 371         (LANG_HOOKS_OMP_MAPPABLE_TYPE): Define.
 372         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
 373         * gimple.h (gimple_omp_target_clauses, gimple_omp_target_clauses_ptr,
 374         gimple_omp_target_set_clauses): Use gimple_omp_parallel
 375         instead of gimple_omp_single.
 376         (gimple_omp_target_child_fn, gimple_omp_target_child_fn_ptr,
 377         gimple_omp_target_set_child_fn, gimple_omp_target_data_arg,
 378         gimple_omp_target_data_arg_ptr, gimple_omp_target_set_data_arg): New
 379         inlines.
 380         * omp-builtins.def (BUILT_IN_GOMP_TARGET, BUILT_IN_GOMP_TARGET_DATA,
 381         BUILT_IN_GOMP_TARGET_END_DATA, BUILT_IN_GOMP_TARGET_UPDATE,
 382         BUILT_IN_GOMP_TEAMS): New builtins.
 383         * gimple-pretty-print.c (dump_gimple_omp_target): Print child_fn
 384         for #pragma omp target.
 385         * gimplify.c (omp_notice_variable): Diagnose if implicitly mapped
 386         decl doesn't have mappable type.
 387         (gimplify_scan_omp_clauses): For OMP_CLAUSE_MAP don't clear
 388         notice_outer.
 389         (gimplify_adjust_omp_clauses_1): Add OMP_CLAUSE_MAP even if the same
 390         decl is already referenced in target data construct surrounding it.
 391         (gimplify_adjust_omp_clauses): Likewise.  Handle
 392         OMP_CLAUSE_THREAD_LIMIT.
 393         (gimplify_omp_workshare): Fix up gimplification of target or target
 394         data construct body.  For target data add GOMP_target_end_data
 395         call in a try/finally cleanup.
 396         * builtin-types.def (BT_FN_VOID_UINT_UINT,
 397         BT_FN_VOID_INT_SIZE_PTR_PTR_PTR,
 398         BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR): New.
 399
 400 2013-07-14  Jakub Jelinek  <jakub@redhat.com>
 401
 402         * tree.h (omp_declare_simd_clauses_equal): Remove prototype.
 403         (omp_remove_redundant_declare_simd_attrs): New prototype.
 404         * tree.c (omp_declare_simd_clauses_equal): Make static.
 405         (omp_remove_redundant_declare_simd_attrs): New function.
 406
 407 2013-07-09  Jakub Jelinek  <jakub@redhat.com>
 408
 409         * gimple-pretty-print.c (dump_gimple_omp_return): Print
 410         gimple_omp_return_lhs if non-NULL.
 411         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
 412         call_may_clobber_ref_p_1): Handle BUILT_IN_GOMP_BARRIER_CANCEL,
 413         BUILT_IN_GOMP_LOOP_END_CANCEL, BUILT_IN_GOMP_SECTIONS_END_CANCEL.
 414         * gimple.h (gimple_omp_return_set_lhs, gimple_omp_return_lhs,
 415         gimple_omp_return_lhs_ptr): New inlines.
 416         * gimple.def (GIMPLE_OMP_RETURN): Use GSS_OMP_ATOMIC_STORE
 417         instead of GSS_BASE.
 418         * gimple.c (walk_gimple_op) <case GIMPLE_OMP_RETURN>: Walk lhs.
 419         * builtin-types.def (BT_FN_BOOL_INT, BT_FN_BOOL_INT_BOOL): New.
 420         * omp-builtins.def (BUILT_IN_GOMP_CANCELLATION_POINT): Use
 421         ATTR_NOTHROW_LEAF_LIST instead of ATTR_NULL.  Return type is now
 422         bool.
 423         (BUILT_IN_GOMP_CANCEL): Likewise.  Add second argument with bool type.
 424         (BUILT_IN_BARRIER_CANCEL, BUILT_IN_GOMP_LOOP_END_CANCEL,
 425         BUILT_IN_GOMP_SECTIONS_END_CANCEL): New builtins.
 426         * omp-low.c (struct omp_context): Add cancel_label and cancellable
 427         fields.
 428         (extract_omp_for_data): Set have_nowait even for simd implicitly.
 429         (check_omp_nesting_restrictions): Verify nesting restrictions for
 430         #pragma omp cancel and #pragma omp cancellation point.
 431         Set ctx->cancellable for regions that can be cancelled or also
 432         for any task region that contains #pragma omp cancellation point.
 433         (scan_omp_1_stmt): Check nesting restrictions even if ctx == NULL.
 434         (build_omp_barrier): Return gimple instead of tree, add lhs argument,
 435         if non-NULL, build GOMP_barrier_cancel builtin instead and set its
 436         call lhs to lhs.
 437         (lower_rec_input_clauses): Adjust build_omp_barrier caller.
 438         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk,
 439         expand_omp_single): Likewise.  If OMP_RETURN has lhs, pass it to
 440         build_omp_barrier.
 441         (expand_omp_for_generic): If OMP_RETURN has lhs, use
 442         GOMP_loop_end_cancel libcall instead of GOMP_loop_end and set its
 443         lhs from OMP_RETURN's lhs.
 444         (expand_omp_sections): If OMP_RETURN has lhs, use
 445         GOMP_sections_end_cancel libcall instead of GOMP_sections_end and set
 446         its lhs from OMP_RETURN's lhs.
 447         (maybe_add_implicit_barrier_cancel): New function.
 448         (lower_omp_sections): If ctx->cancellable, emit cancel_label before
 449         OMP_RETURN.  Call maybe_add_implicit_barrier_cancel.
 450         (lower_omp_for): Likewise.
 451         (lower_omp_single): Call maybe_add_implicit_barrier_cancel.
 452         (lower_omp_taskreg): If ctx->cancellable, emit cancel_label before
 453         OMP_RETURN.
 454         (lower_omp_1): If ctx->cancellable, create ctx->cancel_label.
 455         Adjust GOMP_barrier libcalls to GOMP_barrier_cancel plus conditional
 456         branch in cancellable regions, adjust GOMP_cancel and
 457         GOMP_cancellation_point in cancellable regions or remove
 458         GOMP_cancellation_point in non-cancellable regions.
 459
 460 2013-07-03  Jakub Jelinek  <jakub@redhat.com>
 461
 462         * omp-low.c (expand_omp_single): Don't force barrier for
 463         copyprivate.
 464
 465 2013-06-28  Jakub Jelinek  <jakub@redhat.com>
 466             Aldy Hernandez  <aldyh@redhat.com>
 467
 468         * internal-fn.def (GOMP_SIMD_LANE, GOMP_SIMD_VF,
 469         GOMP_SIMD_LAST_LANE): New internal functions.
 470         * omp-low.c (omp_max_vf, lower_rec_simd_input_clauses): New
 471         functions.
 472         (lower_rec_input_clauses): Add fd argument.  Enforce max_vf = 1
 473         if any data sharing clauses mention VLAs or for array reductions.
 474         Handle OMP_CLAUSE__LOOPTEMP_ clause.  For
 475         OMP_CLAUSE_{{FIRST,LAST,}PRIVATE,LINEAR,REDUCTION} on SIMD
 476         constructs use "omp simd array" temporaries.  For OMP_CLAUSE_LINEAR
 477         adjust initial value in combined constructs.  Don't emit any
 478         barriers for #pragma omp distribute.  If max_vf is lower than
 479         current safelen, prepend an OMP_CLAUSE_SAFELEN clause.
 480         (lower_lastprivate_clauses): Handle "omp simd array" temporaries.
 481         (lower_reduction_clauses): Exit early for #pragma omp simd.
 482         (expand_omp_simd): Set loop->simduid from OMP_CLAUSE__SIMDUID_
 483         and cfun->has_simduid_loops if set.
 484         If OMP_CLAUSE_SAFELEN (1) is present, don't set loop->safelen
 485         nor loop->force_vect.
 486         (lower_omp_sections, lower_omp_single, lower_omp_taskreg): Adjust
 487         lower_rec_input_clauses callers.
 488         (lower_omp_for_lastprivate): Unshare vinit.
 489         (lower_omp_for): Add OMP_CLAUSE__LOOPTEMP_ clauses before calling
 490         lower_rec_input_clauses.  Adjust lower_rec_input_clauses caller.
 491         Always call lower_omp_for_lastprivate at the same place, even for
 492         #pragma omp simd.
 493         * tree.h (enum clause_code): Add OMP_CLAUSE__SIMDUID_.
 494         (OMP_CLAUSE__SIMDUID__DECL): Define.
 495         * tree-vectorizer.c: Include hash-table.h and tree-ssa-propagate.h.
 496         (simduid_to_vf, decl_to_simduid): New classes.
 497         (simduid_to_vf::hash, simduid_to_vf::equal, decl_to_simduid::hash,
 498         decl_to_simduid::equal): New methods.
 499         (note_simd_array_uses_struct): New struct.
 500         (adjust_simduid_builtins, note_simd_array_uses_cb,
 501         note_simd_array_uses): New functions.
 502         (vectorize_loops): Adjust "omp simd array" temporary array sizes
 503         and fold GOMP_SIMD_{LANE,VF,LAST_LANE} builtins.
 504         * tree-vectorizer.h (struct _stmt_vec_info): Add simd_lane_access_p
 505         field.
 506         (STMT_VINFO_SIMD_LANE_ACCESS_P): Define.
 507         * tree-data-ref.c (get_references_in_stmt): Allow GOMP_SIMD_LANE
 508         builtins in their own loops.
 509         * tree-inline.c (copy_cfg_body): Propagate has_force_vect_loops
 510         and has_simduid_loops.
 511         * function.h (struct function): Add has_simduid_loops field.
 512         * tree-ssa-ccp.c (likely_value): For GOMP_SIMD_{LANE,LAST_LANE,VF}
 513         builtins ignore the undefined magic argument.
 514         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__SIMDUID_
 515         clause.
 516         * cfgloop.h (struct loop): Add simduid field.
 517         * Makefile.in (tree-vectorizer.o): Depend on $(HASH_TABLE_H)
 518         and tree-ssa-propagate.h.
 519         * tree-vect-data-refs.c (vect_analyze_data_refs): Check for SIMD
 520         lane access.
 521         * gimplify.c (omp_add_variable): Handle combination of aligned
 522         clause and some data sharing clause for the same decl.
 523         (gimplify_omp_for): For collapse (2) and above simd loops
 524         predetermine loop iteration vars as lastprivate instead of
 525         linear.
 526         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
 527         entries for OMP_CLAUSE__SIMDUID_.
 528         (walk_tree_1): Handle OMP_CLAUSE__SIMDUID_.
 529         * tree-vect-loop.c (vectorizable_live_operation): Handle live
 530         GOMP_SIMD_LANE result.
 531         * tree-vect-stmts.c (vectorizable_call): Vectorize GOMP_SIMD_LANE
 532         builtin.
 533         (vectorizable_store, vectorizable_load): Handle
 534         STMT_VINFO_SIMD_LANE_ACCESS_P.
 535         * internal-fn.c (expand_GOMP_SIMD_LANE, expand_GOMP_SIMD_VF,
 536         expand_GOMP_SIMD_LAST_LANE): New functions.
 537
 538 2013-06-21  Jakub Jelinek  <jakub@redhat.com>
 539
 540         * gimple.h (enum gf_mask): Adjust GF_OMP_FOR_COMBINED
 541         value representation, add GF_OMP_FOR_COMBINED_INTO.
 542         (gimple_omp_for_combined_into_p,
 543         gimple_omp_for_set_combined_into_p): New inlines.
 544         * gimplify.c (enum omp_region_type): Remove outdated
 545         ORT_SIMD comment.
 546         (struct gimplify_omp_ctx): Add combined_loop field.
 547         (gimplify_omp_for): Call gimple_omp_for_set_combined_into_p
 548         for inner for/simd constructs combined with an outer
 549         loop construct (for or distribute).
 550         * tree.c (omp_clause_num_ops): Add OMP_CLAUSE__LOOPTEMP_
 551         entry.
 552         (omp_clause_code_name): Likewise.
 553         (walk_tree_1): Handle OMP_CLAUSE__LOOPTEMP_.
 554         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__LOOPTEMP_.
 555         * tree.h (enum omp_clause_code): Add OMP_CLAUSE__LOOPTEMP_.
 556         (OMP_CLAUSE_DECL): Allow also on OMP_CLAUSE__LOOPTEMP_.
 557         * omp-low.c (extract_omp_for_data): Rename non_ws to simd.  Don't set
 558         fd->chunk_size for non-chunk OMP_CLAUSE_SCHEDULE_STATIC, unless
 559         fd->have_ordered.  For OMP_CLAUSE_SCHEDULE_STATIC non-ordered loops
 560         compute fd->iter_type the same as for simd.
 561         (get_ws_args_for): Add par_stmt argument, if
 562         gimple_omp_for_combined_into_p, use first two _looptemp_ clauses
 563         temporaries instead of fd->loop.n{1,2}.
 564         (determine_parallel_type): Adjust caller.
 565         (scan_sharing_clauses): Handle OMP_CLAUSE__LOOPTEMP_.
 566         (find_combined_for): New function.
 567         (scan_omp_parallel): If gimple_omp_parallel_combined_p and
 568         it is combined with gimple_omp_for_combined_into_p OMP_FOR,
 569         add OMP_CLAUSE__LOOPTEMP_ clauses to the parallel.
 570         (check_omp_nesting_restrictions): Don't insist that the only construct
 571         nested in OMP_DISTRIBUTE must be OMP_PARALLEL.
 572         (lower_rec_input_clauses, lower_send_clauses): Handle
 573         OMP_CLAUSE__LOOPTEMP_.
 574         (expand_omp_for_init_counts, expand_omp_for_init_vars,
 575         extract_omp_for_update_vars): New functions.
 576         (expand_omp_for_generic): Add inner_stmt argument.  Use
 577         expand_omp_for_{init,update}* helper functions.  Handle combined loop
 578         constructs.
 579         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk):
 580         Likewise.  Handle fd->collapse > 1 and broken_loop cases.
 581         (expand_omp_simd): Use expand_omp_for_init* helper functions.  Handle
 582         combined loop constructs.
 583         (expand_omp_for): Add inner_stmt argument.  Pass it through to
 584         expand_omp_for_{generic,static_{,no}chunk}.  Use
 585         expand_omp_for_static* even for fd->collapse > 1 and/or broken_loop
 586         cases, just not when fd->have_ordered.
 587         (expand_omp): Adjust expand_omp_for caller.
 588         (lower_omp_for): If gimple_omp_parallel_combined_p, add
 589         OMP_CLAUSE__LOOPTEMP_ clauses to the GIMPLE_FOR stmt.
 590
 591 2013-06-14  Jakub Jelinek  <jakub@redhat.com>
 592
 593         * gimple-pretty-print.c (dump_gimple_omp_for): Don't handle
 594         GF_OMP_FOR_KIND_FOR_SIMD.
 595         * gimple.h (GF_OMP_FOR_KIND_FOR_SIMD): Remove.
 596         (GF_OMP_FOR_COMBINED): New.
 597         (gimple_omp_for_combined_p, gimple_omp_for_set_combined_p): New
 598         inline functions.
 599         * gimplify.c (is_gimple_stmt): Don't handle OMP_FOR_SIMD.
 600         (find_combined_omp_for): New function.
 601         (gimplify_omp_for): Handle combined OMP_DISTRIBUTE and OMP_FOR
 602         loops.
 603         * Makefile.in (c-family/c-omp.o): Depend on $(C_PRAGMA_H).
 604         * omp-low.c (build_outer_var_ref): Fix up simd handling.
 605         (check_omp_nesting_restrictions): Don't handle
 606         GF_OMP_FOR_KIND_FOR_SIMD.
 607         * tree.def (OMP_FOR_SIMD): Remove.
 608         * tree-pretty-print.c (dump_generic_node): Don't handle OMP_FOR_SIMD.
 609         Handle NULL OMP_FOR_INIT.
 610
 611 2013-06-12  Jakub Jelinek  <jakub@redhat.com>
 612
 613         * gimplify.c (gimplify_scan_omp_clauses): Handle
 614         OMP_CLAUSE_THREAD_LIMIT.
 615         * tree-pretty-print.c (dump_omp_clause): Likewise.
 616         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
 617         OMP_CLAUSE_THREAD_LIMIT.
 618         * tree.h (enum omp_clause_code): Add OMP_CLAUSE_THREAD_LIMIT.
 619         (OMP_CLAUSE_THREAD_LIMIT_EXPR): Define.
 620
 621 2013-06-04  Jakub Jelinek  <jakub@redhat.com>
 622
 623         * gimplify.c (gimplify_scan_omp_clauses): Handle array
 624         sections on OMP_CLAUSE_{MAP,TO,FROM} clauses, handle
 625         OMP_CLAUSE_DEPEND clause.
 626         (gimplify_adjust_omp_clauses): Handle array sections on
 627         OMP_CLAUSE_MAP, handle OMP_CLAUSE_DEPEND clause.
 628         * tree.c (omp_clause_num_ops): OMP_CLAUSE_{MAP,TO,FROM}
 629         now have 2 arguments, move OMP_CLAUSE_UNIFORM before these
 630         3.
 631         (omp_clause_code_name): Adjust for OMP_CLAUSE_UNIFORM movement.
 632         (walk_tree_1): Adjust to handle 2 arguments of
 633         OMP_CLAUSE_{MAP,TO,FROM}.
 634         * tree-pretty-print.c (dump_omp_clause): For OMP_CLAUSE_{MAP,TO,FROM}
 635         print OMP_CLAUSE_SIZE, and for OMP_CLAUSE_MAP handle
 636         OMP_CLAUSE_MAP_POINTER.
 637         * tree.h (enum omp_clause_code): Move OMP_CLAUSE_UNIFORM before
 638         OMP_CLAUSE_{MAP,TO,FROM}.
 639         (OMP_CLAUSE_SIZE): Define.
 640         (enum omp_clause_map_kind): Add OMP_CLAUSE_MAP_POINTER.
 641         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_DEPEND.
 642
 643 2013-05-29  Jakub Jelinek  <jakub@redhat.com>
 644
 645         * omp-builtins.def (BUILT_IN_OMP_GET_TEAM_NUM,
 646         BUILT_IN_OMP_GET_NUM_TEAMS): New built-ins.
 647         * omp-low.c (extract_omp_for_data, expand_omp_for_static_nochunk,
 648         expand_omp_for_static_chunk): Handle #pragma omp distribute.
 649         (expand_omp_for): Add assertion for non-finished distribute collapse
 650         > 1 support.
 651         (check_omp_nesting_restrictions): Allow orphaned distribute construct.
 652
 653         * omp-low.c (check_omp_nesting_restrictions): Add some
 654         accelerator related nesting restrictions.
 655         (scan_omp_1_stmt): Call check_omp_nesting_restrictions
 656         even for GOMP_taskgroup_{start,end}.
 657         * gimplify.c (omp_notice_threadprivate_variable): Fix a typo.
 658         (gimplify_body): For functions with "omp declare target" attribute
 659         add ORT_TARGET region around the body.
 660
 661 2013-05-27  Jakub Jelinek  <jakub@redhat.com>
 662
 663         * tree.def (OMP_TEAMS, OMP_TARGET_DATA, OMP_TARGET,
 664         OMP_TARGET_UPDATE): New tree codes.
 665         * tree-cfg.c (make_edges): Handle GIMPLE_OMP_TARGET
 666         and GIMPLE_OMP_TEAMS.
 667         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_DIST_SCHEDULE.
 668         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_TARGET
 669         and GIMPLE_OMP_TEAMS.
 670         * tree.h (OMP_TEAMS_BODY, OMP_TEAMS_CLAUSES, OMP_TARGET_DATA_BODY,
 671         OMP_TARGET_DATA_CLAUSES, OMP_TARGET_BODY, OMP_TARGET_CLAUSES,
 672         OMP_TARGET_UPDATE_CLAUSES): Define.
 673         * tree-nested.c (convert_nonlocal_reference_stmt,
 674         convert_local_reference_stmt, convert_gimple_call): Handle
 675         GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
 676         * tree-inline.c (estimate_num_insns): Likewise.
 677         (remap_gimple_stmt): Likewise.  Adjust gimple_build_omp_for
 678         caller.
 679         * gimple.def: Adjust comments describing OMP_CLAUSEs.
 680         (GIMPLE_OMP_TARGET, GIMPLE_OMP_TEAMS): New GIMPLE stmts.
 681         * tree-parloops.c (create_parallel_loop): Adjust gimple_build_omp_for
 682         caller.
 683         * tree-pretty-print.c (dump_generic_node): Handle OMP_TEAMS,
 684         OMP_TARGET, OMP_TARGET_DATA and OMP_TARGET_UPDATE.
 685         * gimple.h (GF_OMP_TARGET_KIND_MASK, GF_OMP_TARGET_KIND_REGION,
 686         GF_OMP_TARGET_KIND_DATA, GF_OMP_TARGET_KIND_UPDATE): New.
 687         (gimple_build_omp_for): Add kind argument to prototype.
 688         (gimple_build_omp_target, gimple_build_omp_teams): New prototypes.
 689         (gimple_has_substatements): Handle GIMPLE_OMP_TARGET and
 690         GIMPLE_OMP_TEAMS.
 691         (gimple_omp_subcode): Change GIMPLE_OMP_SINGLE to GIMPLE_OMP_TEAMS.
 692         (gimple_omp_target_clauses, gimple_omp_target_clauses_ptr,
 693         gimple_omp_target_set_clauses, gimple_omp_target_kind,
 694         gimple_omp_target_set_kind, gimple_omp_teams_clauses,
 695         gimple_omp_teams_clauses_ptr, gimple_omp_teams_set_clauses): New
 696         inline functions.
 697         (gimple_return_set_retval): Handle GIMPLE_OMP_TARGET and
 698         GIMPLE_OMP_TEAMS.
 699         * gimple.c (gimple_build_omp_for): Add kind argument, call
 700         gimple_omp_for_set_kind.
 701         (gimple_build_omp_target, gimple_build_omp_teams): New functions.
 702         (walk_gimple_op, walk_gimple_stmt, gimple_copy): Handle
 703         GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
 704         * gimple-pretty-print.c (dump_gimple_omp_target,
 705         dump_gimple_omp_teams): New functions.
 706         (pp_gimple_stmt_1): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
 707         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_MAP.
 708         (enum omp_region_type): Add ORT_TEAMS, ORT_TARGET and ORT_TARGET_DATA.
 709         (omp_add_variable): Add temporary assertions.
 710         (omp_notice_threadprivate_variable): Complain if threadprivate vars
 711         appear in target region.
 712         (omp_notice_variable): ORT_TARGET, ORT_TARGET_DATA and ORT_TEAMS
 713         handling.
 714         (omp_check_private): Ignore ORT_TARGET and ORT_TARGET_DATA regions.
 715         (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_MAP, OMP_CLAUSE_TO,
 716         OMP_CLAUSE_FROM, OMP_CLAUSE_NUM_TEAMS, OMP_CLAUSE_DIST_SCHEDULE
 717         and OMP_CLAUSE_DEVICE.
 718         (gimplify_adjust_omp_clauses): Likewise.
 719         (gimplify_adjust_omp_clauses_1): Handle GOVD_MAP.  Fix up
 720         check for privatization by also testing for GOVD_LINEAR.
 721         (gimplify_omp_for): Adjust gimple_build_omp_for caller.
 722         Clear *expr_p.
 723         (gimplify_omp_workshare): Handle also OMP_TARGET, OMP_TARGET_DATA
 724         and OMP_TEAMS.  Clear *expr_p.
 725         (gimplify_omp_target_update): New function.
 726         (gimplify_expr): Handle OMP_TARGET, OMP_TARGET_DATA, OMP_TARGET_UPDATE
 727         and OMP_TEAMS.
 728
 729 2013-05-20  Jakub Jelinek  <jakub@redhat.com>
 730
 731         * omp-low.c (expand_omp_simd): For collapse > 1 loops,
 732         if some loop condition might be not true initially, add runtime
 733         test and skip the whole loop.
 734
 735 2013-05-14  Jakub Jelinek  <jakub@redhat.com>
 736
 737         * cfgloop.h (struct loop): Add safelen and force_vect fields.
 738         * function.h (struct function): Add has_force_vect_loops field.
 739         * omp-low.c (expand_omp_simd): If !broken_loop, create loop for
 740         the simd region and set safelen and force_vect fields in it.
 741         * tree-vectorizer.c (vectorize_loops): If loop has force_vect set,
 742         vectorize it even if flag_vectorize isn't set.  Clear loop->force_vect
 743         after vectorization.
 744         * tree-ssa-loop.c (gate_tree_vectorize): Return true even
 745         cfun->has_force_vect_loops.
 746         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely_1): Don't
 747         unroll loops with loop->force_vect.
 748         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): For
 749         unknown or bad data dependency, if loop->safelen is non-zero, just
 750         decrease *max_vf to loop->safelen if needed and return false.
 751         * tree-if-conv.c (main_tree_if_conversion): If-convert also loops with
 752         loop->force_vect.
 753         (gate_tree_if_conversion): Return true even if
 754         cfun->has_force_vect_loops.
 755
 756 2013-05-09  Jakub Jelinek  <jakub@redhat.com>
 757
 758         * tree.c (omp_declare_simd_clauses_equal): New function.
 759         (attribute_value_equal): Call it for -fopenmp if
 760         TREE_VALUE of the attributes are both OMP_CLAUSEs.
 761         * tree.h (omp_declare_simd_clauses_equal): Declare.
 762
 763 2013-04-30  Jakub Jelinek  <jakub@redhat.com>
 764
 765         * gimple-pretty-print.c (dump_gimple_omp_atomic_load,
 766         dump_gimple_omp_atomic_store): Handle gimple_omp_atomic_seq_cst_p.
 767         * gimple.h (enum gf_mask): Add GF_OMP_ATOMIC_SEQ_CST.
 768         (gimple_omp_atomic_set_seq_cst, gimple_omp_atomic_seq_cst_p): New
 769         inline functions.
 770         * omp-low.c (expand_omp_atomic_load, expand_omp_atomic_store,
 771         expand_omp_atomic_fetch_op): If gimple_omp_atomic_seq_cst_p,
 772         pass MEMMODEL_SEQ_CST instead of MEMMODEL_RELAXED to the builtin.
 773         * gimplify.c (gimplify_omp_atomic): Handle OMP_ATOMIC_SEQ_CST.
 774         * tree-pretty-print.c (dump_generic_node): Handle OMP_ATOMIC_SEQ_CST.
 775         * tree.def (OMP_ATOMIC): Add comment that OMP_ATOMIC* must stay
 776         consecutive.
 777         * tree.h (OMP_ATOMIC_SEQ_CST): Define.
 778
 779         * omp-low.c (check_omp_nesting_restrictions): Diagnose
 780         OpenMP constructs nested inside simd region.  Don't treat
 781         #pragma omp simd as work-sharing region.  Disallow work-sharing
 782         constructs inside of critical region.  Complain if ordered
 783         region is nested inside of parallel region without loop
 784         region in between.
 785         (scan_omp_1_stmt): Call check_omp_nesting_restrictions even
 786         for GOMP_{cancel{,lation_point},taskyield,taskwait} calls.
 787
 788 2013-04-23  Jakub Jelinek  <jakub@redhat.com>
 789
 790         * Makefile.in (omp-low.o): Depend on $(TARGET_H).
 791         * gimplify.c (gimplify_adjust_omp_clauses): For linear clauses
 792         if outer_context is non-NULL, but not ORT_COMBINED_PARALLEL,
 793         call omp_notice_variable.  Remove aligned clauses that can't
 794         be handled yet.
 795         * omp-low.c: Include target.h.
 796         (scan_sharing_clauses): For aligned clauses with global arrays
 797         register local replacement.
 798         (omp_clause_aligned_alignment): New function.
 799         (lower_rec_input_clauses): For aligned clauses for global
 800         arrays or automatic pointers emit __builtin_assume_aligned
 801         before the loop if possible.
 802         (expand_omp_regimplify_p, expand_omp_build_assign): New functions.
 803         (expand_omp_simd): Use them.  Handle pointer iterators and broken
 804         loops.
 805         (lower_omp_for): Call lower_omp on gimple_omp_body_ptr after
 806         calling lower_rec_input_clauses, not before it.
 807
 808 2013-04-19  Jakub Jelinek  <jakub@redhat.com>
 809
 810         * tree.h (OMP_CLAUSE_LINEAR_NO_COPYIN,
 811         OMP_CLAUSE_LINEAR_NO_COPYOUT): Define.
 812         * omp-low.c (extract_omp_for_data): Handle #pragma omp simd.
 813         (build_outer_var_ref): For #pragma omp simd allow linear etc.
 814         clauses to bind even to private vars.
 815         (scan_sharing_clauses): Handle OMP_CLAUSE_LINEAR, OMP_CLAUSE_ALIGNED
 816         and OMP_CLAUSE_SAFELEN.
 817         (lower_rec_input_clauses): Handle OMP_CLAUSE_LINEAR.  Don't emit
 818         a GOMP_barrier call for firstprivate/lastprivate in #pragma omp simd.
 819         (lower_lastprivate_clauses): Handle also OMP_CLAUSE_LINEAR.
 820         (expand_omp_simd): New function.
 821         (expand_omp_for): Handle #pragma omp simd.
 822         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_LINEAR and
 823         GOVD_ALIGNED, add GOVD_LINEAR into GOVD_DATA_SHARE_CLASS.
 824         (enum omp_region_type): Add ORT_SIMD.
 825         (gimple_add_tmp_var, gimplify_var_or_parm_decl, omp_check_private,
 826         omp_firstprivatize_variable, omp_notice_variable): Handle ORT_SIMD
 827         like ORT_WORKSHARE.
 828         (omp_is_private): Likewise.  Add SIMD argument, tweak diagnostics
 829         and add extra errors in simd constructs.
 830         (gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses): Handle
 831         OMP_CLAUSE_LINEAR, OMP_CLAUSE_ALIGNED and OMP_CLAUSE_SAFELEN.
 832         (gimplify_adjust_omp_clauses_1): Handle GOVD_LASTPRIVATE and
 833         GOVD_ALIGNED.
 834         (gimplify_omp_for): Handle #pragma omp simd.
 835
 836 2013-04-10  Jakub Jelinek  <jakub@redhat.com>
 837
 838         * builtin-types.def (DEF_FUNCTION_TYPE_8): Document.
 839         (BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
 840         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): Remove.
 841         (BT_FN_VOID_OMPFN_PTR_UINT_UINT_UINT,
 842         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_UINT,
 843         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG_UINT): New.
 844         * gimplify.c (gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses):
 845         Handle OMP_CLAUSE_PROC_BIND.
 846         * omp-builtins.def (BUILT_IN_GOMP_TASKGROUP_START,
 847         BUILT_IN_GOMP_TASKGROUP_END, BUILT_IN_GOMP_PARALLEL_LOOP_STATIC,
 848         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC,
 849         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED,
 850         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME, BUILT_IN_GOMP_PARALLEL,
 851         BUILT_IN_GOMP_PARALLEL_SECTIONS): New built-ins.
 852         (BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
 853         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
 854         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
 855         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
 856         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
 857         BUILT_IN_GOMP_PARALLEL_SECTIONS_START): Remove.
 858         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_PROC_BIND.
 859         (expand_parallel_call): Expand #pragma omp parallel* as
 860         calls to the new GOMP_parallel_* APIs without _start at the end,
 861         instead of GOMP_parallel_*_start followed by fn.omp_fn.N call,
 862         followed by GOMP_parallel_end.  Handle OMP_CLAUSE_PROC_BIND.
 863         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
 864         call_may_clobber_ref_p_1): Handle BUILT_IN_GOMP_TASKGROUP_END
 865         instead of BUILT_IN_GOMP_PARALLEL_END.
 866
 867 2013-03-27  Jakub Jelinek  <jakub@redhat.com>
 868
 869         * gimple-pretty-print.c (dump_gimple_omp_for): Handle different
 870         GIMPLE_OMP_FOR kinds.
 871         * tree.def (OMP_SIMD, OMP_FOR_SIMD, OMP_DISTRIBUTE): New tree codes.
 872         * gimple.h (enum gf_mask): Add GF_OMP_FOR_KIND_MASK,
 873         GF_OMP_FOR_KIND_FOR, GF_OMP_FOR_KIND_SIMD, GF_OMP_FOR_KIND_FOR_SIMD
 874         and GF_OMP_FOR_KIND_DISTRIBUTE.
 875         (gimple_omp_for_kind, gimple_omp_for_set_kind): New inline functions.
 876         * gimplify.c (is_gimple_stmt, gimplify_omp_for, gimplify_expr): Handle
 877         OMP_SIMD, OMP_FOR_SIMD and OMP_DISTRIBUTE.
 878         * tree.c (omp_clause_num_ops, omp_clause_code_name, walk_tree_1):
 879         Handle new OpenMP 4.0 clauses.
 880         * tree-pretty-print.c (dump_omp_clause): Likewise.
 881         (dump_generic_node): Handle OMP_SIMD, OMP_FOR_SIMD and OMP_DISTRIBUTE.
 882         * tree.h (enum omp_clause_code): Add OMP_CLAUSE_LINEAR,
 883         OMP_CLAUSE_ALIGNED, OMP_CLAUSE_DEPEND, OMP_CLAUSE_FROM, OMP_CLAUSE_TO,
 884         OMP_CLAUSE_UNIFORM, OMP_CLAUSE_MAP, OMP_CLAUSE_DEVICE,
 885         OMP_CLAUSE_DIST_SCHEDULE, OMP_CLAUSE_INBRANCH, OMP_CLAUSE_NOTINBRANCH,
 886         OMP_CLAUSE_NUM_TEAMS, OMP_CLAUSE_PROC_BIND, OMP_CLAUSE_SAFELEN,
 887         OMP_CLAUSE_SIMDLEN, OMP_CLAUSE_FOR, OMP_CLAUSE_PARALLEL,
 888         OMP_CLAUSE_SECTIONS and OMP_CLAUSE_TASKGROUP.
 889         (OMP_LOOP_CHECK): Define.
 890         (OMP_FOR_BODY, OMP_FOR_CLAUSES, OMP_FOR_INIT, OMP_FOR_COND,
 891         OMP_FOR_INCR, OMP_FOR_PRE_BODY): Use OMP_LOOP_CHECK instead of
 892         OMP_FOR_CHECK.
 893         (OMP_CLAUSE_DECL): Extend check range up to OMP_CLAUSE_MAP.
 894         (OMP_CLAUSE_LINEAR_STEP, OMP_CLAUSE_ALIGNED_ALIGNMENT,
 895         OMP_CLAUSE_NUM_TEAMS_EXPR, OMP_CLAUSE_DEVICE_ID,
 896         OMP_CLAUSE_DIST_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SAFELEN_EXPR,
 897         OMP_CLAUSE_SIMDLEN_EXPR): Define.
 898         (enum omp_clause_depend_kind, enum omp_clause_map_kind,
 899         enum omp_clause_proc_bind_kind): New enums.
 900         (OMP_CLAUSE_DEPEND_KIND, OMP_CLAUSE_MAP_KIND,
 901         OMP_CLAUSE_PROC_BIND_KIND): Define.
 902         (struct tree_omp_clause): Add subcode.depend_kind, subcode.map_kind
 903         and subcode.proc_bind_kind.
 904         (find_omp_clause): New prototype.
 905         * omp-builtins.def (BUILT_IN_GOMP_CANCEL,
 906         BUILT_IN_GOMP_CANCELLATION_POINT): New built-ins.
 907         * tree-flow.h (find_omp_clause): Remove prototype.
 908 \f
 909 Copyright (C) 2013 Free Software Foundation, Inc.
 910
 911 Copying and distribution of this file, with or without modification,
 912 are permitted in any medium without royalty provided the copyright
 913 notice and this notice are preserved.