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* [gcc/devel/omp/gcc-11] Add a "combined" flag for "acc kernels loop" etc directives.
@ 2021-05-13 16:17 Kwok Yeung
  0 siblings, 0 replies; only message in thread
From: Kwok Yeung @ 2021-05-13 16:17 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:506098b0fab2cfbd81f813de97101f2b242bc18e

commit 506098b0fab2cfbd81f813de97101f2b242bc18e
Author: Sandra Loosemore <sandra@codesourcery.com>
Date:   Wed Aug 19 19:13:55 2020 -0700

    Add a "combined" flag for "acc kernels loop" etc directives.
    
    2020-08-19  Sandra Loosemore  <sandra@codesourcery.com>
    
            gcc/
            * tree.h (OACC_LOOP_COMBINED): New.
    
            gcc/c/
            * c-parser.c (c_parser_oacc_loop): Set OACC_LOOP_COMBINED.
    
            gcc/cp/
            * parser.c (cp_parser_oacc_loop): Set OACC_LOOP_COMBINED.
    
            gcc/fortran/
            * trans-openmp.c (gfc_trans_omp_do): Add combined parameter,
            use it to set OACC_LOOP_COMBINED.  Update all call sites.

Diff:
---
 gcc/ChangeLog.omp          |  6 ++++++
 gcc/c/ChangeLog.omp        |  6 ++++++
 gcc/c/c-parser.c           |  3 +++
 gcc/cp/ChangeLog.omp       |  6 ++++++
 gcc/cp/parser.c            |  3 +++
 gcc/fortran/ChangeLog.omp  |  7 +++++++
 gcc/fortran/trans-openmp.c | 30 +++++++++++++++++++-----------
 gcc/tree.h                 |  5 +++++
 8 files changed, 55 insertions(+), 11 deletions(-)

diff --git a/gcc/ChangeLog.omp b/gcc/ChangeLog.omp
index 29bcb59eff5..77d163266ee 100644
--- a/gcc/ChangeLog.omp
+++ b/gcc/ChangeLog.omp
@@ -1,3 +1,9 @@
+2020-08-19  Sandra Loosemore  <sandra@codesourcery.com>
+
+	Add a "combined" flag for "acc kernels loop" etc directives.
+
+	* tree.h (OACC_LOOP_COMBINED): New.
+
 2020-07-30  Julian Brown  <julian@codesourcery.com>
 
 	* config/gcn/gcn-tree.c (gcn_goacc_get_worker_red_decl): Do not
diff --git a/gcc/c/ChangeLog.omp b/gcc/c/ChangeLog.omp
index e6fadbb1e89..0f6ac422f31 100644
--- a/gcc/c/ChangeLog.omp
+++ b/gcc/c/ChangeLog.omp
@@ -1,3 +1,9 @@
+2020-08-19  Sandra Loosemore  <sandra@codesourcery.com>
+
+	Add a "combined" flag for "acc kernels loop" etc directives.
+
+	* c-parser.c (c_parser_oacc_loop): Set OACC_LOOP_COMBINED.
+
 2020-03-27  Sandra Loosemore  <sandra@codesourcery.com>
 
 	* c-decl.c (c_unwrap_for_init): New.
diff --git a/gcc/c/c-parser.c b/gcc/c/c-parser.c
index 4225c730351..2679b3e6405 100644
--- a/gcc/c/c-parser.c
+++ b/gcc/c/c-parser.c
@@ -16932,6 +16932,7 @@ c_parser_oacc_loop (location_t loc, c_parser *parser, char *p_name,
 		    omp_clause_mask mask, tree *cclauses, bool *if_p)
 {
   bool is_parallel = ((mask >> PRAGMA_OACC_CLAUSE_REDUCTION) & 1) == 1;
+  bool is_combined = (cclauses != NULL);
 
   strcat (p_name, " loop");
   mask |= OACC_LOOP_CLAUSE_MASK;
@@ -16950,6 +16951,8 @@ c_parser_oacc_loop (location_t loc, c_parser *parser, char *p_name,
   tree block = c_begin_compound_stmt (true);
   tree stmt = c_parser_omp_for_loop (loc, parser, OACC_LOOP, clauses, NULL,
 				     if_p);
+  if (stmt && stmt != error_mark_node)
+    OACC_LOOP_COMBINED (stmt) = is_combined;
   block = c_end_compound_stmt (loc, block, true);
   add_stmt (block);
 
diff --git a/gcc/cp/ChangeLog.omp b/gcc/cp/ChangeLog.omp
index adc28b921ac..070f5633308 100644
--- a/gcc/cp/ChangeLog.omp
+++ b/gcc/cp/ChangeLog.omp
@@ -1,3 +1,9 @@
+2020-08-19  Sandra Loosemore  <sandra@codesourcery.com>
+
+	Add a "combined" flag for "acc kernels loop" etc directives.
+
+	* parser.c (cp_parser_oacc_loop): Set OACC_LOOP_COMBINED.
+
 2020-03-31  Sandra Loosemore  <sandra@codesourcery.com>
 
 	* semantics.c (handle_omp_array_sections_1): Call STRIP_NOPS
diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c
index e42f32c1164..245a044f5b6 100644
--- a/gcc/cp/parser.c
+++ b/gcc/cp/parser.c
@@ -42475,6 +42475,7 @@ cp_parser_oacc_loop (cp_parser *parser, cp_token *pragma_tok, char *p_name,
 		     omp_clause_mask mask, tree *cclauses, bool *if_p)
 {
   bool is_parallel = ((mask >> PRAGMA_OACC_CLAUSE_REDUCTION) & 1) == 1;
+  bool is_combined = (cclauses != NULL);
 
   strcat (p_name, " loop");
   mask |= OACC_LOOP_CLAUSE_MASK;
@@ -42493,6 +42494,8 @@ cp_parser_oacc_loop (cp_parser *parser, cp_token *pragma_tok, char *p_name,
   tree block = begin_omp_structured_block ();
   int save = cp_parser_begin_omp_structured_block (parser);
   tree stmt = cp_parser_omp_for_loop (parser, OACC_LOOP, clauses, NULL, if_p);
+  if (stmt && stmt != error_mark_node)
+    OACC_LOOP_COMBINED (stmt) = is_combined;
   cp_parser_end_omp_structured_block (parser, save);
   add_stmt (finish_omp_structured_block (block));
 
diff --git a/gcc/fortran/ChangeLog.omp b/gcc/fortran/ChangeLog.omp
index e619434815e..c608163f77f 100644
--- a/gcc/fortran/ChangeLog.omp
+++ b/gcc/fortran/ChangeLog.omp
@@ -1,3 +1,10 @@
+2020-08-19  Sandra Loosemore  <sandra@codesourcery.com>
+
+	Add a "combined" flag for "acc kernels loop" etc directives.
+
+	* trans-openmp.c (gfc_trans_omp_do): Add combined parameter,
+	use it to set OACC_LOOP_COMBINED.  Update all call sites.
+
 2020-07-20  Frederik Harwath  <frederik@codesourcery.com>
 
 	* openmp.c (oacc_is_parallel_or_serial): Removed function.
diff --git a/gcc/fortran/trans-openmp.c b/gcc/fortran/trans-openmp.c
index 66e47fdbc7e..51414a12910 100644
--- a/gcc/fortran/trans-openmp.c
+++ b/gcc/fortran/trans-openmp.c
@@ -4489,7 +4489,8 @@ typedef struct dovar_init_d {
 
 static tree
 gfc_trans_omp_do (gfc_code *code, gfc_exec_op op, stmtblock_t *pblock,
-		  gfc_omp_clauses *do_clauses, tree par_clauses)
+		  gfc_omp_clauses *do_clauses, tree par_clauses,
+		  bool combined)
 {
   gfc_se se;
   tree dovar, stmt, from, to, step, type, init, cond, incr, orig_decls;
@@ -4852,7 +4853,10 @@ gfc_trans_omp_do (gfc_code *code, gfc_exec_op op, stmtblock_t *pblock,
     case EXEC_OMP_DO: stmt = make_node (OMP_FOR); break;
     case EXEC_OMP_DISTRIBUTE: stmt = make_node (OMP_DISTRIBUTE); break;
     case EXEC_OMP_TASKLOOP: stmt = make_node (OMP_TASKLOOP); break;
-    case EXEC_OACC_LOOP: stmt = make_node (OACC_LOOP); break;
+    case EXEC_OACC_LOOP:
+      stmt = make_node (OACC_LOOP);
+      OACC_LOOP_COMBINED (stmt) = combined;
+      break;
     default: gcc_unreachable ();
     }
 
@@ -4946,7 +4950,8 @@ gfc_trans_oacc_combined_directive (gfc_code *code)
     pblock = &block;
   else
     pushlevel ();
-  stmt = gfc_trans_omp_do (code, EXEC_OACC_LOOP, pblock, &loop_clauses, NULL);
+  stmt = gfc_trans_omp_do (code, EXEC_OACC_LOOP, pblock, &loop_clauses, NULL,
+			   true);
   protected_set_expr_location (stmt, loc);
   if (TREE_CODE (stmt) != BIND_EXPR)
     stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0));
@@ -5418,7 +5423,7 @@ gfc_trans_omp_do_simd (gfc_code *code, stmtblock_t *pblock,
     omp_do_clauses
       = gfc_trans_omp_clauses (&block, &clausesa[GFC_OMP_SPLIT_DO], code->loc);
   body = gfc_trans_omp_do (code, EXEC_OMP_SIMD, pblock ? pblock : &block,
-			   &clausesa[GFC_OMP_SPLIT_SIMD], omp_clauses);
+			   &clausesa[GFC_OMP_SPLIT_SIMD], omp_clauses, false);
   if (pblock == NULL)
     {
       if (TREE_CODE (body) != BIND_EXPR)
@@ -5471,7 +5476,7 @@ gfc_trans_omp_parallel_do (gfc_code *code, stmtblock_t *pblock,
 	pushlevel ();
     }
   stmt = gfc_trans_omp_do (code, EXEC_OMP_DO, new_pblock,
-			   &clausesa[GFC_OMP_SPLIT_DO], omp_clauses);
+			   &clausesa[GFC_OMP_SPLIT_DO], omp_clauses, false);
   if (pblock == NULL)
     {
       if (TREE_CODE (stmt) != BIND_EXPR)
@@ -5714,7 +5719,8 @@ gfc_trans_omp_distribute (gfc_code *code, gfc_omp_clauses *clausesa)
     case EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD:
     case EXEC_OMP_TEAMS_DISTRIBUTE_SIMD:
       stmt = gfc_trans_omp_do (code, EXEC_OMP_SIMD, &block,
-			       &clausesa[GFC_OMP_SPLIT_SIMD], NULL_TREE);
+			       &clausesa[GFC_OMP_SPLIT_SIMD], NULL_TREE,
+			       false);
       if (TREE_CODE (stmt) != BIND_EXPR)
 	stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0));
       else
@@ -5770,7 +5776,7 @@ gfc_trans_omp_teams (gfc_code *code, gfc_omp_clauses *clausesa,
     case EXEC_OMP_TEAMS_DISTRIBUTE:
       stmt = gfc_trans_omp_do (code, EXEC_OMP_DISTRIBUTE, NULL,
 			       &clausesa[GFC_OMP_SPLIT_DISTRIBUTE],
-			       NULL);
+			       NULL, false);
       break;
     default:
       stmt = gfc_trans_omp_distribute (code, clausesa);
@@ -5844,7 +5850,8 @@ gfc_trans_omp_target (gfc_code *code)
       break;
     case EXEC_OMP_TARGET_SIMD:
       stmt = gfc_trans_omp_do (code, EXEC_OMP_SIMD, &block,
-			       &clausesa[GFC_OMP_SPLIT_SIMD], NULL_TREE);
+			       &clausesa[GFC_OMP_SPLIT_SIMD], NULL_TREE,
+			       false);
       if (TREE_CODE (stmt) != BIND_EXPR)
 	stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0));
       else
@@ -5914,7 +5921,8 @@ gfc_trans_omp_taskloop (gfc_code *code)
       break;
     case EXEC_OMP_TASKLOOP_SIMD:
       stmt = gfc_trans_omp_do (code, EXEC_OMP_SIMD, &block,
-			       &clausesa[GFC_OMP_SPLIT_SIMD], NULL_TREE);
+			       &clausesa[GFC_OMP_SPLIT_SIMD], NULL_TREE,
+			       false);
       if (TREE_CODE (stmt) != BIND_EXPR)
 	stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0));
       else
@@ -6229,7 +6237,7 @@ gfc_trans_oacc_directive (gfc_code *code)
       return gfc_trans_oacc_construct (code);
     case EXEC_OACC_LOOP:
       return gfc_trans_omp_do (code, code->op, NULL, code->ext.omp_clauses,
-			       NULL);
+			       NULL, false);
     case EXEC_OACC_UPDATE:
     case EXEC_OACC_CACHE:
     case EXEC_OACC_ENTER_DATA:
@@ -6266,7 +6274,7 @@ gfc_trans_omp_directive (gfc_code *code)
     case EXEC_OMP_SIMD:
     case EXEC_OMP_TASKLOOP:
       return gfc_trans_omp_do (code, code->op, NULL, code->ext.omp_clauses,
-			       NULL);
+			       NULL, false);
     case EXEC_OMP_DISTRIBUTE_PARALLEL_DO:
     case EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD:
     case EXEC_OMP_DISTRIBUTE_SIMD:
diff --git a/gcc/tree.h b/gcc/tree.h
index 0ae76b89356..edf4fd37979 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -1502,6 +1502,11 @@ class auto_suppress_location_wrappers
 #define OMP_TARGET_COMBINED(NODE) \
   (OMP_TARGET_CHECK (NODE)->base.private_flag)
 
+/* True on an OACC_LOOP statement if it is part of a combined construct,
+   for example "#pragma acc kernels loop".  */
+#define OACC_LOOP_COMBINED(NODE) \
+  (OACC_LOOP_CHECK (NODE)->base.private_flag)
+
 /* Memory order for OMP_ATOMIC*.  */
 #define OMP_ATOMIC_MEMORY_ORDER(NODE) \
   (TREE_RANGE_CHECK (NODE, OMP_ATOMIC, \


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