1 files changed, 64 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.c/atomic-1.c b/libgomp/testsuite/libgomp.c/atomic-1.c
new file mode 100644
index 00000000000..82642a4e48d
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/atomic-1.c
@@ -0,0 +1,64 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -fopenmp" } */
+/* { dg-options "-O2 -fopenmp -march=pentium" { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -fopenmp" { target lp64 } } */
+
+#ifdef __i386__
+#include "../../../gcc/testsuite/gcc.dg/i386-cpuid.h"
+#define bit_CX8 (1 << 8)
+#endif
+
+extern void abort (void);
+double d;
+struct
+{
+  int i;
+  double e;
+  int j;
+} x;
+
+void
+f1 (void)
+{
+  #pragma omp atomic
+    d += 7.5;
+  #pragma omp atomic
+    d *= 2.5;
+  #pragma omp atomic
+    d /= 0.25;
+}
+
+void
+f2 (void)
+{
+  #pragma omp atomic
+    x.e += 7.5;
+  #pragma omp atomic
+    x.e *= 2.5;
+  #pragma omp atomic
+    x.e /= 0.25;
+}
+
+int
+main (void)
+{
+#ifdef __i386__
+  unsigned long cpu_facilities;
+
+  cpu_facilities = i386_cpuid ();
+
+  if ((cpu_facilities & bit_CX8) == 0)
+    return 0;
+#endif
+
+  d = 1.0;
+  f1 ();
+  if (d != 85.0)
+    abort ();
+
+  x.e = 1.0;
+  f2 ();
+  if (x.i != 0 || x.e != 85.0 || x.j != 0)
+    abort ();
+  return 0;
+}