c-parser.c (c_parser_omp_atomic): Allow seq_cst before atomic-clause...

gcc/c/
	* c-parser.c (c_parser_omp_atomic): Allow seq_cst before
	atomic-clause, allow comma in between atomic-clause and
	seq_cst.
gcc/cp/
	* parser.c (cp_parser_omp_atomic): Allow seq_cst before
	atomic-clause, allow comma in between atomic-clause and
	seq_cst.
gcc/testsuite/
	* c-c++-common/gomp/atomic-16.c: Remove all dg-error directives.
	Replace load with read and store with write.
libgomp/
	* testsuite/libgomp.c++/atomic-14.C: Allow seq_cst and
	atomic type clauses in any order and optional comma in between.
	* testsuite/libgomp.c++/atomic-15.C: Likewise.
	* testsuite/libgomp.c/atomic-17.c: Likewise.

From-SVN: r209762

4 files changed, 44 insertions, 39 deletions

diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 06f40ac..0b26b9f 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,5 +1,10 @@
 2014-04-24  Jakub Jelinek  <jakub@redhat.com>
 
+	* testsuite/libgomp.c++/atomic-14.C: Allow seq_cst and
+	atomic type clauses in any order and optional comma in between.
+	* testsuite/libgomp.c++/atomic-15.C: Likewise.
+	* testsuite/libgomp.c/atomic-17.c: Likewise.
+
 	* testsuite/libgomp.c/simd-7.c: New test.
 	* testsuite/libgomp.c/simd-8.c: New test.
 	* testsuite/libgomp.c/simd-9.c: New test.
diff --git a/libgomp/testsuite/libgomp.c++/atomic-14.C b/libgomp/testsuite/libgomp.c++/atomic-14.C
index 4cd9df8..dccea3a 100644
--- a/libgomp/testsuite/libgomp.c++/atomic-14.C
+++ b/libgomp/testsuite/libgomp.c++/atomic-14.C
@@ -13,13 +13,13 @@ main ()
     v = x;
   if (v != 3)
     abort ();
-  #pragma omp atomic update seq_cst
+  #pragma omp atomic seq_cst update
     x = 3 * 2 * 1 + x;
-  #pragma omp atomic read seq_cst
+  #pragma omp atomic read, seq_cst
     v = x;
   if (v != 9)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic seq_cst, capture
     v = x = x | 16;
   if (v != 25)
     abort ();
@@ -27,15 +27,15 @@ main ()
     v = x = x + 14 * 2 / 4;
   if (v != 32)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic seq_cst capture
     v = x = 5 | x;
   if (v != 37)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic capture, seq_cst
     v = x = 40 + 12 - 2 - 7 - x;
   if (v != 6)
     abort ();
-  #pragma omp atomic read seq_cst
+  #pragma omp atomic seq_cst read
     v = x;
   if (v != 6)
     abort ();
@@ -43,7 +43,7 @@ main ()
     { v = x; x = 3 + x; }
   if (v != 6)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic seq_cst capture
     { v = x; x = -1 * -1 * -1 * -1 - x; }
   if (v != 9)
     abort ();
@@ -51,11 +51,11 @@ main ()
     v = x;
   if (v != -8)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic capture, seq_cst
     { x = 2 * 2 - x; v = x; }
   if (v != 12)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic seq_cst capture
     { x = 7 & x; v = x; }
   if (v != 4)
     abort ();
@@ -63,7 +63,7 @@ main ()
     { v = x; x = 6; }
   if (v != 4)
     abort ();
-  #pragma omp atomic read seq_cst
+  #pragma omp atomic read, seq_cst
     v = x;
   if (v != 6)
     abort ();
@@ -71,11 +71,11 @@ main ()
     { v = x; x = 7 * 8 + 23; }
   if (v != 6)
     abort ();
-  #pragma omp atomic read seq_cst
+  #pragma omp atomic seq_cst, read
     v = x;
   if (v != 79)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic capture , seq_cst
     { v = x; x = 23 + 6 * 4; }
   if (v != 79)
     abort ();
@@ -83,7 +83,7 @@ main ()
     v = x;
   if (v != 47)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic seq_cst capture
     { v = x; x = l ? 17 : 12; }
   if (v != 47)
     abort ();
diff --git a/libgomp/testsuite/libgomp.c++/atomic-15.C b/libgomp/testsuite/libgomp.c++/atomic-15.C
index 1eabce7..9abefb6 100644
--- a/libgomp/testsuite/libgomp.c++/atomic-15.C
+++ b/libgomp/testsuite/libgomp.c++/atomic-15.C
@@ -14,13 +14,13 @@ foo ()
     v = x;
   if (v != 3)
     abort ();
-  #pragma omp atomic update seq_cst
+  #pragma omp atomic seq_cst update
     x = 3 * 2 * 1 + x;
-  #pragma omp atomic read seq_cst
+  #pragma omp atomic read, seq_cst
     v = x;
   if (v != 9)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic seq_cst, capture
     v = x = x | 16;
   if (v != 25)
     abort ();
@@ -28,15 +28,15 @@ foo ()
     v = x = x + 14 * 2 / 4;
   if (v != 32)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic seq_cst capture
     v = x = 5 | x;
   if (v != 37)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic capture, seq_cst
     v = x = 40 + 12 - 2 - 7 - x;
   if (v != 6)
     abort ();
-  #pragma omp atomic read seq_cst
+  #pragma omp atomic seq_cst read
     v = x;
   if (v != 6)
     abort ();
@@ -44,7 +44,7 @@ foo ()
     { v = x; x = 3 + x; }
   if (v != 6)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic seq_cst capture
     { v = x; x = -1 * -1 * -1 * -1 - x; }
   if (v != 9)
     abort ();
@@ -52,11 +52,11 @@ foo ()
     v = x;
   if (v != -8)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic capture, seq_cst
     { x = 2 * 2 - x; v = x; }
   if (v != 12)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic seq_cst capture
     { x = 7 & x; v = x; }
   if (v != 4)
     abort ();
@@ -64,7 +64,7 @@ foo ()
     { v = x; x = 6; }
   if (v != 4)
     abort ();
-  #pragma omp atomic read seq_cst
+  #pragma omp atomic read, seq_cst
     v = x;
   if (v != 6)
     abort ();
@@ -72,11 +72,11 @@ foo ()
     { v = x; x = 7 * 8 + 23; }
   if (v != 6)
     abort ();
-  #pragma omp atomic read seq_cst
+  #pragma omp atomic seq_cst, read
     v = x;
   if (v != 79)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic capture , seq_cst
     { v = x; x = 23 + 6 * 4; }
   if (v != 79)
     abort ();
@@ -84,7 +84,7 @@ foo ()
     v = x;
   if (v != 47)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic seq_cst capture
     { v = x; x = l ? 17 : 12; }
   if (v != 47)
     abort ();
diff --git a/libgomp/testsuite/libgomp.c/atomic-17.c b/libgomp/testsuite/libgomp.c/atomic-17.c
index 2bd0e9b..147ab26 100644
--- a/libgomp/testsuite/libgomp.c/atomic-17.c
+++ b/libgomp/testsuite/libgomp.c/atomic-17.c
@@ -13,13 +13,13 @@ main ()
     v = x;
   if (v != 3)
     abort ();
-  #pragma omp atomic update seq_cst
+  #pragma omp atomic seq_cst update
     x = 3 * 2 * 1 + x;
-  #pragma omp atomic read seq_cst
+  #pragma omp atomic read, seq_cst
     v = x;
   if (v != 9)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic seq_cst, capture
     v = x = x | 16;
   if (v != 25)
     abort ();
@@ -27,15 +27,15 @@ main ()
     v = x = x + 14 * 2 / 4;
   if (v != 32)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic seq_cst capture
     v = x = 5 | x;
   if (v != 37)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic capture, seq_cst
     v = x = 40 + 12 - 2 - 7 - x;
   if (v != 6)
     abort ();
-  #pragma omp atomic read seq_cst
+  #pragma omp atomic seq_cst read
     v = x;
   if (v != 6)
     abort ();
@@ -43,7 +43,7 @@ main ()
     { v = x; x = 3 + x; }
   if (v != 6)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic seq_cst capture
     { v = x; x = -1 * -1 * -1 * -1 - x; }
   if (v != 9)
     abort ();
@@ -51,11 +51,11 @@ main ()
     v = x;
   if (v != -8)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic capture, seq_cst
     { x = 2 * 2 - x; v = x; }
   if (v != 12)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic seq_cst capture
     { x = 7 & x; v = x; }
   if (v != 4)
     abort ();
@@ -63,7 +63,7 @@ main ()
     { v = x; x = 6; }
   if (v != 4)
     abort ();
-  #pragma omp atomic read seq_cst
+  #pragma omp atomic read, seq_cst
     v = x;
   if (v != 6)
     abort ();
@@ -71,11 +71,11 @@ main ()
     { v = x; x = 7 * 8 + 23; }
   if (v != 6)
     abort ();
-  #pragma omp atomic read seq_cst
+  #pragma omp atomic seq_cst, read
     v = x;
   if (v != 79)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic capture , seq_cst
     { v = x; x = 23 + 6 * 4; }
   if (v != 79)
     abort ();
@@ -83,7 +83,7 @@ main ()
     v = x;
   if (v != 47)
     abort ();
-  #pragma omp atomic capture seq_cst
+  #pragma omp atomic seq_cst capture
     { v = x; x = l ? 17 : 12; }
   if (v != 47)
     abort ();