1 files changed, 35 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.c/atomic-2.c b/libgomp/testsuite/libgomp.c/atomic-2.c
new file mode 100644
index 00000000000..6f4939256b7
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/atomic-2.c
@@ -0,0 +1,35 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -fopenmp" } */
+/* { dg-options "-O2 -fopenmp -march=nocona" { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -fopenmp" { target ilp32 } } */
+
+double d = 1.5;
+long double ld = 3;
+extern void abort (void);
+
+void
+test (void)
+{
+#pragma omp atomic
+  d *= 1.25;
+#pragma omp atomic
+  ld /= 0.75;
+  if (d != 1.875 || ld != 4.0L)
+    abort ();
+}
+
+int
+main (void)
+{
+#ifdef __x86_64__
+# define bit_SSE3 (1 << 0)
+# define bit_CX16 (1 << 13)
+  unsigned int ax, bx, cx, dx;
+  __asm__ ("cpuid" : "=a" (ax), "=b" (bx), "=c" (cx), "=d" (dx)
+           : "0" (1) : "cc");
+  if ((cx & (bit_SSE3 | bit_CX16)) != (bit_SSE3 | bit_CX16))
+    return 0;
+#endif
+  test ();
+  return 0;
+}