Imported gcc-4.4.3

[msp430-gcc.git] / libgomp / testsuite / libgomp.c++ / reduction-1.C

diff --git a/libgomp/testsuite/libgomp.c++/reduction-1.C b/libgomp/testsuite/libgomp.c++/reduction-1.C
new file mode 100644 (file)
index 0000000..665163a
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c++/reduction-1.C
@@ -0,0 +1,36 @@
+#include <omp.h>
+#include <stdlib.h>
+
+int
+main (void)
+{
+  int i = 0, j = 0, k = ~0;
+  double d = 1.0;
+#pragma omp parallel num_threads(4) reduction(+:i) reduction(*:d) reduction(&:k)
+  {
+    if (i != 0 || d != 1.0 || k != ~0)
+#pragma omp atomic
+      j |= 1;
+  
+    if (omp_get_num_threads () != 4)
+#pragma omp atomic
+      j |= 2;
+
+    i = omp_get_thread_num ();
+    d = i + 1;
+    k = ~(1 << (2 * i));
+  }
+
+  if (j & 1)
+    abort ();
+  if ((j & 2) == 0)
+    {
+      if (i != (0 + 1 + 2 + 3))
+       abort ();
+      if (d != (1.0 * 2.0 * 3.0 * 4.0))
+       abort ();
+      if (k != (~0 ^ 0x55))
+       abort ();
+    }
+  return 0;
+}