From 20790697dd24387ffbf4f97e46774edfcb0a7142 Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Wed, 13 Apr 2011 17:50:02 +0200
Subject: re PR middle-end/48591 (OpenMP ICE with atomics on __float128 in
 32-bit only i686 cc1)

	PR middle-end/48591
	* omp-low.c (expand_omp_atomic_fetch_op): Return false if decl is
	NULL.
	(expand_omp_atomic_pipeline): Return false if cmpxchg is NULL.

	* gcc.dg/gomp/pr48591.c: New test.

	* testsuite/libgomp.c/pr48591.c: New test.

From-SVN: r172379
---
 libgomp/testsuite/libgomp.c/pr48591.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 libgomp/testsuite/libgomp.c/pr48591.c

(limited to 'libgomp/testsuite/libgomp.c')

diff --git a/libgomp/testsuite/libgomp.c/pr48591.c b/libgomp/testsuite/libgomp.c/pr48591.c
new file mode 100644
index 0000000..18dfd7f
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/pr48591.c
@@ -0,0 +1,22 @@
+/* PR middle-end/48591 */
+/* { dg-do run { target i?86-*-linux* x86_64-*-linux* ia64-*-linux* } } */
+/* { dg-options "-fopenmp" } */
+
+extern void abort (void);
+
+int
+main ()
+{
+  __float128 f = 0.0;
+  int i;
+  #pragma omp parallel for reduction(+:f)
+    for (i = 0; i < 128; i++)
+      f += 0.5Q;
+  if (f != 64.0Q)
+    abort ();
+  #pragma omp atomic
+    f += 8.5Q;
+  if (f != 72.5Q)
+    abort ();
+  return 0;
+}
-- 
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