gimplify.c (omp_notice_variable): If n is non-NULL and no flags change in ORT_TARGET region, don't jump to do_outer.

	* gimplify.c (omp_notice_variable): If n is non-NULL
	and no flags change in ORT_TARGET region, don't jump to
	do_outer.
	(struct gimplify_adjust_omp_clauses_data): New type.
	(gimplify_adjust_omp_clauses_1): Adjust for data being
	a struct gimplify_adjust_omp_clauses_data pointer instead
	of tree *.  Pass pre_p as a new argument to
	lang_hooks.decls.omp_finish_clause hook.
	(gimplify_adjust_omp_clauses): Add pre_p argument, adjust
	splay_tree_foreach to pass both list_p and pre_p.
	(gimplify_omp_parallel, gimplify_omp_task, gimplify_omp_for,
	gimplify_omp_workshare, gimplify_omp_target_update): Adjust
	gimplify_adjust_omp_clauses callers.
	* langhooks.c (lhd_omp_finish_clause): New function.
	* langhooks-def.h (lhd_omp_finish_clause): New prototype.
	(LANG_HOOKS_OMP_FINISH_CLAUSE): Define to lhd_omp_finish_clause.
	* langhooks.h (struct lang_hooks_for_decls): Add a new
	gimple_seq * argument to omp_finish_clause hook.
	* omp-low.c (scan_sharing_clauses): Call scan_omp_op on
	non-DECL_P OMP_CLAUSE_DECL if ctx->outer.
	(scan_omp_parallel, lower_omp_for): When adding
	_LOOPTEMP_ clause var, add it to outer ctx's decl_map
	as identity.
	* tree-core.h (OMP_CLAUSE_MAP_TO_PSET): New map kind.
	* tree-nested.c (convert_nonlocal_omp_clauses,
	convert_local_omp_clauses): Handle various OpenMP 4.0 clauses.
	* tree-pretty-print.c (dump_omp_clause): Handle
	OMP_CLAUSE_MAP_TO_PSET.
gcc/cp/
	* cp-gimplify.c (cxx_omp_finish_clause): Add a gimple_seq *
	argument.
	* cp-tree.h (cxx_omp_finish_clause): Adjust prototype.
gcc/fortran/
	* cpp.c (cpp_define_builtins): Change _OPENMP macro to
	201307.
	* dump-parse-tree.c (show_omp_namelist): Add list_type
	argument.  Adjust for rop being u.reduction_op now,
	handle depend_op or map_op.
	(show_omp_node): Adjust callers.  Print some new
	OpenMP 4.0 clauses, adjust for OMP_LIST_DEPEND_{IN,OUT}
	becoming a single OMP_LIST_DEPEND.
	* f95-lang.c (gfc_handle_omp_declare_target_attribute): New
	function.
	(gfc_attribute_table): New variable.
	(LANG_HOOKS_OMP_FINISH_CLAUSE, LANG_HOOKS_ATTRIBUTE_TABLE): Redefine.
	* frontend-passes.c (gfc_code_walker): Handle new OpenMP target
	EXEC_OMP_* codes and new clauses.
	* gfortran.h (gfc_statement): Add ST_OMP_TARGET, ST_OMP_END_TARGET,
	ST_OMP_TARGET_DATA, ST_OMP_END_TARGET_DATA, ST_OMP_TARGET_UPDATE,
	ST_OMP_DECLARE_TARGET, ST_OMP_TEAMS, ST_OMP_END_TEAMS,
	ST_OMP_DISTRIBUTE, ST_OMP_END_DISTRIBUTE, ST_OMP_DISTRIBUTE_SIMD,
	ST_OMP_END_DISTRIBUTE_SIMD, ST_OMP_DISTRIBUTE_PARALLEL_DO,
	ST_OMP_END_DISTRIBUTE_PARALLEL_DO, ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD,
	ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD, ST_OMP_TARGET_TEAMS,
	ST_OMP_END_TARGET_TEAMS, ST_OMP_TEAMS_DISTRIBUTE,
	ST_OMP_END_TEAMS_DISTRIBUTE, ST_OMP_TEAMS_DISTRIBUTE_SIMD,
	ST_OMP_END_TEAMS_DISTRIBUTE_SIMD, ST_OMP_TARGET_TEAMS_DISTRIBUTE,
	ST_OMP_END_TARGET_TEAMS_DISTRIBUTE,
	ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD,
	ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD,
	ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO,
	ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO,
	ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
	ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
	ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
	ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
	ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD and
	ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD.
	(symbol_attribute): Add omp_declare_target field.
	(gfc_omp_depend_op, gfc_omp_map_op): New enums.
	(gfc_omp_namelist): Replace rop field with union
	containing reduction_op, depend_op and map_op.
	(OMP_LIST_DEPEND_IN, OMP_LIST_DEPEND_OUT): Remove.
	(OMP_LIST_DEPEND, OMP_LIST_MAP, OMP_LIST_TO, OMP_LIST_FROM): New.
	(gfc_omp_clauses): Add num_teams, device, thread_limit,
	dist_sched_kind, dist_chunk_size fields.
	(gfc_common_head): Add omp_declare_target field.
	(gfc_exec_op): Add EXEC_OMP_TARGET, EXEC_OMP_TARGET_DATA,
	EXEC_OMP_TEAMS, EXEC_OMP_DISTRIBUTE, EXEC_OMP_DISTRIBUTE_SIMD,
	EXEC_OMP_DISTRIBUTE_PARALLEL_DO, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD,
	EXEC_OMP_TARGET_TEAMS, EXEC_OMP_TEAMS_DISTRIBUTE,
	EXEC_OMP_TEAMS_DISTRIBUTE_SIMD, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE,
	EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD,
	EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO,
	EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
	EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
	EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD and
	EXEC_OMP_TARGET_UPDATE.
	(gfc_add_omp_declare_target): New prototype.
	* match.h (gfc_match_omp_declare_target, gfc_match_omp_distribute,
	gfc_match_omp_distribute_parallel_do,
	gfc_match_omp_distribute_parallel_do_simd,
	gfc_match_omp_distribute_simd, gfc_match_omp_target,
	gfc_match_omp_target_data, gfc_match_omp_target_teams,
	gfc_match_omp_target_teams_distribute,
	gfc_match_omp_target_teams_distribute_parallel_do,
	gfc_match_omp_target_teams_distribute_parallel_do_simd,
	gfc_match_omp_target_teams_distribute_simd,
	gfc_match_omp_target_update, gfc_match_omp_teams,
	gfc_match_omp_teams_distribute,
	gfc_match_omp_teams_distribute_parallel_do,
	gfc_match_omp_teams_distribute_parallel_do_simd,
	gfc_match_omp_teams_distribute_simd): New prototypes.
	* module.c (ab_attribute): Add AB_OMP_DECLARE_TARGET.
	(attr_bits): Likewise.
	(mio_symbol_attribute): Handle omp_declare_target attribute.
	(gfc_free_omp_clauses): Free num_teams, device, thread_limit
	and dist_chunk_size expressions.
	(OMP_CLAUSE_PRIVATE, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
	OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_COPYIN,
	OMP_CLAUSE_REDUCTION, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
	OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_DEFAULT, OMP_CLAUSE_ORDERED,
	OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED, OMP_CLAUSE_FINAL,
	OMP_CLAUSE_MERGEABLE, OMP_CLAUSE_ALIGNED, OMP_CLAUSE_DEPEND,
	OMP_CLAUSE_INBRANCH, OMP_CLAUSE_LINEAR, OMP_CLAUSE_NOTINBRANCH,
	OMP_CLAUSE_PROC_BIND, OMP_CLAUSE_SAFELEN, OMP_CLAUSE_SIMDLEN,
	OMP_CLAUSE_UNIFORM): Use 1U instead of 1.
	(OMP_CLAUSE_DEVICE, OMP_CLAUSE_MAP, OMP_CLAUSE_TO, OMP_CLAUSE_FROM,
	OMP_CLAUSE_NUM_TEAMS, OMP_CLAUSE_THREAD_LIMIT,
	OMP_CLAUSE_DIST_SCHEDULE): Define.
	(gfc_match_omp_clauses): Change mask parameter to unsigned int.
	Adjust for rop becoming u.reduction_op.  Disallow inbranch with
	notinbranch.  For depend clause, always create OMP_LIST_DEPEND
	and fill in u.depend_op.  Handle num_teams, device, map,
	to, from, thread_limit and dist_schedule clauses.
	(OMP_DECLARE_SIMD_CLAUSES): Or in OMP_CLAUSE_INBRANCH and
	OMP_CLAUSE_NOTINBRANCH.
	(OMP_TARGET_CLAUSES, OMP_TARGET_DATA_CLAUSES,
	OMP_TARGET_UPDATE_CLAUSES, OMP_TEAMS_CLAUSES,
	OMP_DISTRIBUTE_CLAUSES): Define.
	(match_omp): New function.
	(gfc_match_omp_do, gfc_match_omp_do_simd, gfc_match_omp_parallel,
	gfc_match_omp_parallel_do, gfc_match_omp_parallel_do_simd,
	gfc_match_omp_parallel_sections, gfc_match_omp_parallel_workshare,
	gfc_match_omp_sections, gfc_match_omp_simd, gfc_match_omp_single,
	gfc_match_omp_task): Rewritten using match_omp.
	(gfc_match_omp_threadprivate, gfc_match_omp_declare_reduction):
	Diagnose if the directives are followed by unexpected junk.
	(gfc_match_omp_distribute, gfc_match_omp_distribute_parallel_do,
	gfc_match_omp_distribute_parallel_do_simd,
	gfc_match_omp_distrbute_simd, gfc_match_omp_declare_target,
	gfc_match_omp_target, gfc_match_omp_target_data,
	gfc_match_omp_target_teams, gfc_match_omp_target_teams_distribute,
	gfc_match_omp_target_teams_distribute_parallel_do,
	gfc_match_omp_target_teams_distribute_parallel_do_simd,
	gfc_match_omp_target_teams_distrbute_simd, gfc_match_omp_target_update,
	gfc_match_omp_teams, gfc_match_omp_teams_distribute,
	gfc_match_omp_teams_distribute_parallel_do,
	gfc_match_omp_teams_distribute_parallel_do_simd,
	gfc_match_omp_teams_distrbute_simd): New functions.
	* openmp.c (resolve_omp_clauses): Adjust for
	OMP_LIST_DEPEND_{IN,OUT} being changed to OMP_LIST_DEPEND.  Handle
	OMP_LIST_MAP, OMP_LIST_FROM, OMP_LIST_TO, num_teams, device,
	dist_chunk_size and thread_limit.
	(gfc_resolve_omp_parallel_blocks): Only put sharing clauses into
	ctx.sharing_clauses.  Call gfc_resolve_omp_do_blocks for various
	new EXEC_OMP_* codes.
	(resolve_omp_do): Handle various new EXEC_OMP_* codes.
	(gfc_resolve_omp_directive): Likewise.
	(gfc_resolve_omp_declare_simd): Add missing space to diagnostics.
	* parse.c (decode_omp_directive): Handle parsing of OpenMP 4.0
	offloading related directives.
	(case_executable): Add ST_OMP_TARGET_UPDATE.
	(case_exec_markers): Add ST_OMP_TARGET*, ST_OMP_TEAMS*,
	ST_OMP_DISTRIBUTE*.
	(case_decl): Add ST_OMP_DECLARE_TARGET.
	(gfc_ascii_statement): Handle new ST_OMP_* codes.
	(parse_omp_do): Handle various new ST_OMP_* codes.
	(parse_executable): Likewise.
	* resolve.c (gfc_resolve_blocks): Handle various new EXEC_OMP_*
	codes.
	(resolve_code): Likewise.
	(resolve_symbol): Change that !$OMP DECLARE TARGET variables
	are saved.
	* st.c (gfc_free_statement): Handle various new EXEC_OMP_* codes.
	* symbol.c (check_conflict): Check omp_declare_target conflicts.
	(gfc_add_omp_declare_target): New function.
	(gfc_copy_attr): Copy omp_declare_target.
	* trans.c (trans_code): Handle various new EXEC_OMP_* codes.
	* trans-common.c (build_common_decl): Add "omp declare target"
	attribute if needed.
	* trans-decl.c (add_attributes_to_decl): Likewise.
	* trans.h (gfc_omp_finish_clause): New prototype.
	* trans-openmp.c (gfc_omp_finish_clause): New function.
	(gfc_trans_omp_reduction_list): Adjust for rop being renamed
	to u.reduction_op.
	(gfc_trans_omp_clauses): Adjust for OMP_LIST_DEPEND_{IN,OUT}
	change to OMP_LIST_DEPEND and fix up depend handling.
	Handle OMP_LIST_MAP, OMP_LIST_TO, OMP_LIST_FROM, num_teams,
	thread_limit, device, dist_chunk_size and dist_sched_kind.
	(gfc_trans_omp_do): Handle EXEC_OMP_DISTRIBUTE.
	(GFC_OMP_SPLIT_DISTRIBUTE, GFC_OMP_SPLIT_TEAMS,
	GFC_OMP_SPLIT_TARGET, GFC_OMP_SPLIT_NUM, GFC_OMP_MASK_DISTRIBUTE,
	GFC_OMP_MASK_TEAMS, GFC_OMP_MASK_TARGET, GFC_OMP_MASK_NUM): New.
	(gfc_split_omp_clauses): Handle splitting of clauses for new
	EXEC_OMP_* codes.
	(gfc_trans_omp_do_simd): Add pblock argument, adjust for being
	callable for combined constructs.
	(gfc_trans_omp_parallel_do, gfc_trans_omp_parallel_do_simd): Likewise.
	(gfc_trans_omp_distribute, gfc_trans_omp_teams,
	gfc_trans_omp_target, gfc_trans_omp_target_data,
	gfc_trans_omp_target_update): New functions.
	(gfc_trans_omp_directive): Adjust gfc_trans_omp_* callers, handle
	new EXEC_OMP_* codes.
gcc/testsuite/
	* gfortran.dg/gomp/declare-simd-1.f90: New test.
	* gfortran.dg/gomp/depend-1.f90: New test.
	* gfortran.dg/gomp/target1.f90: New test.
	* gfortran.dg/gomp/target2.f90: New test.
	* gfortran.dg/gomp/target3.f90: New test.
	* gfortran.dg/gomp/udr4.f90: Adjust expected diagnostics.
	* gfortran.dg/openmp-define-3.f90: Expect _OPENMP 201307 instead of
	201107.
libgomp/
	* omp_lib.f90.in (openmp_version): Set to 201307.
	* omp_lib.h.in (openmp_version): Likewise.
	* testsuite/libgomp.c/target-8.c: New test.
	* testsuite/libgomp.fortran/declare-simd-1.f90: Add notinbranch
	and inbranch clauses.
	* testsuite/libgomp.fortran/depend-3.f90: New test.
	* testsuite/libgomp.fortran/openmp_version-1.f: Adjust for new
	openmp_version.
	* testsuite/libgomp.fortran/openmp_version-2.f90: Likewise.
	* testsuite/libgomp.fortran/target1.f90: New test.
	* testsuite/libgomp.fortran/target2.f90: New test.
	* testsuite/libgomp.fortran/target3.f90: New test.
	* testsuite/libgomp.fortran/target4.f90: New test.
	* testsuite/libgomp.fortran/target5.f90: New test.
	* testsuite/libgomp.fortran/target6.f90: New test.
	* testsuite/libgomp.fortran/target7.f90: New test.

From-SVN: r211768

1 files changed, 34 insertions, 12 deletions

diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index 10f8ac6..2efc899 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -5650,6 +5650,7 @@ omp_notice_variable (struct gimplify_omp_ctx *ctx, tree decl, bool in_code)
   n = splay_tree_lookup (ctx->variables, (splay_tree_key)decl);
   if (ctx->region_type == ORT_TARGET)
     {
+      ret = lang_hooks.decls.omp_disregard_value_expr (decl, true);
       if (n == NULL)
 	{
 	  if (!lang_hooks.types.omp_mappable_type (TREE_TYPE (decl)))
@@ -5662,8 +5663,12 @@ omp_notice_variable (struct gimplify_omp_ctx *ctx, tree decl, bool in_code)
 	    omp_add_variable (ctx, decl, GOVD_MAP | flags);
 	}
       else
-	n->value |= flags;
-      ret = lang_hooks.decls.omp_disregard_value_expr (decl, true);
+	{
+	  /* If nothing changed, there's nothing left to do.  */
+	  if ((n->value & flags) == flags)
+	    return ret;
+	  n->value |= flags;
+	}
       goto do_outer;
     }
 
@@ -6201,13 +6206,21 @@ gimplify_scan_omp_clauses (tree *list_p, gimple_seq *pre_p,
   gimplify_omp_ctxp = ctx;
 }
 
+struct gimplify_adjust_omp_clauses_data
+{
+  tree *list_p;
+  gimple_seq *pre_p;
+};
+
 /* For all variables that were not actually used within the context,
    remove PRIVATE, SHARED, and FIRSTPRIVATE clauses.  */
 
 static int
 gimplify_adjust_omp_clauses_1 (splay_tree_node n, void *data)
 {
-  tree *list_p = (tree *) data;
+  tree *list_p = ((struct gimplify_adjust_omp_clauses_data *) data)->list_p;
+  gimple_seq *pre_p
+    = ((struct gimplify_adjust_omp_clauses_data *) data)->pre_p;
   tree decl = (tree) n->key;
   unsigned flags = n->value;
   enum omp_clause_code code;
@@ -6308,15 +6321,21 @@ gimplify_adjust_omp_clauses_1 (splay_tree_node n, void *data)
       OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE (nc) = 1;
       OMP_CLAUSE_CHAIN (nc) = *list_p;
       OMP_CLAUSE_CHAIN (clause) = nc;
-      lang_hooks.decls.omp_finish_clause (nc);
+      struct gimplify_omp_ctx *ctx = gimplify_omp_ctxp;
+      gimplify_omp_ctxp = ctx->outer_context;
+      lang_hooks.decls.omp_finish_clause (nc, pre_p);
+      gimplify_omp_ctxp = ctx;
     }
   *list_p = clause;
-  lang_hooks.decls.omp_finish_clause (clause);
+  struct gimplify_omp_ctx *ctx = gimplify_omp_ctxp;
+  gimplify_omp_ctxp = ctx->outer_context;
+  lang_hooks.decls.omp_finish_clause (clause, pre_p);
+  gimplify_omp_ctxp = ctx;
   return 0;
 }
 
 static void
-gimplify_adjust_omp_clauses (tree *list_p)
+gimplify_adjust_omp_clauses (gimple_seq *pre_p, tree *list_p)
 {
   struct gimplify_omp_ctx *ctx = gimplify_omp_ctxp;
   tree c, decl;
@@ -6521,7 +6540,10 @@ gimplify_adjust_omp_clauses (tree *list_p)
     }
 
   /* Add in any implicit data sharing.  */
-  splay_tree_foreach (ctx->variables, gimplify_adjust_omp_clauses_1, list_p);
+  struct gimplify_adjust_omp_clauses_data data;
+  data.list_p = list_p;
+  data.pre_p = pre_p;
+  splay_tree_foreach (ctx->variables, gimplify_adjust_omp_clauses_1, &data);
 
   gimplify_omp_ctxp = ctx->outer_context;
   delete_omp_context (ctx);
@@ -6552,7 +6574,7 @@ gimplify_omp_parallel (tree *expr_p, gimple_seq *pre_p)
   else
     pop_gimplify_context (NULL);
 
-  gimplify_adjust_omp_clauses (&OMP_PARALLEL_CLAUSES (expr));
+  gimplify_adjust_omp_clauses (pre_p, &OMP_PARALLEL_CLAUSES (expr));
 
   g = gimple_build_omp_parallel (body,
 				 OMP_PARALLEL_CLAUSES (expr),
@@ -6588,7 +6610,7 @@ gimplify_omp_task (tree *expr_p, gimple_seq *pre_p)
   else
     pop_gimplify_context (NULL);
 
-  gimplify_adjust_omp_clauses (&OMP_TASK_CLAUSES (expr));
+  gimplify_adjust_omp_clauses (pre_p, &OMP_TASK_CLAUSES (expr));
 
   g = gimple_build_omp_task (body,
 			     OMP_TASK_CLAUSES (expr),
@@ -6934,7 +6956,7 @@ gimplify_omp_for (tree *expr_p, gimple_seq *pre_p)
 	TREE_OPERAND (TREE_OPERAND (t, 1), 0) = var;
       }
 
-  gimplify_adjust_omp_clauses (&OMP_FOR_CLAUSES (orig_for_stmt));
+  gimplify_adjust_omp_clauses (pre_p, &OMP_FOR_CLAUSES (orig_for_stmt));
 
   int kind;
   switch (TREE_CODE (orig_for_stmt))
@@ -7034,7 +7056,7 @@ gimplify_omp_workshare (tree *expr_p, gimple_seq *pre_p)
     }
   else
     gimplify_and_add (OMP_BODY (expr), &body);
-  gimplify_adjust_omp_clauses (&OMP_CLAUSES (expr));
+  gimplify_adjust_omp_clauses (pre_p, &OMP_CLAUSES (expr));
 
   switch (TREE_CODE (expr))
     {
@@ -7073,7 +7095,7 @@ gimplify_omp_target_update (tree *expr_p, gimple_seq *pre_p)
 
   gimplify_scan_omp_clauses (&OMP_TARGET_UPDATE_CLAUSES (expr), pre_p,
 			     ORT_WORKSHARE);
-  gimplify_adjust_omp_clauses (&OMP_TARGET_UPDATE_CLAUSES (expr));
+  gimplify_adjust_omp_clauses (pre_p, &OMP_TARGET_UPDATE_CLAUSES (expr));
   stmt = gimple_build_omp_target (NULL, GF_OMP_TARGET_KIND_UPDATE,
 				  OMP_TARGET_UPDATE_CLAUSES (expr));