Imported gcc-4.4.3

[msp430-gcc.git] / libgomp / testsuite / libgomp.c / pr26943-3.c

diff --git a/libgomp/testsuite/libgomp.c/pr26943-3.c b/libgomp/testsuite/libgomp.c/pr26943-3.c
new file mode 100644 (file)
index 0000000..dc3d501
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/pr26943-3.c
@@ -0,0 +1,56 @@
+/* PR c++/26943 */
+/* { dg-do run } */
+
+extern int omp_set_dynamic (int);
+extern int omp_get_thread_num (void);
+extern void abort (void);
+
+int a = 8, b = 12, c = 16, d = 20, j = 0, l = 0;
+char e[10] = "a", f[10] = "b", g[10] = "c", h[10] = "d";
+volatile int k;
+
+int
+main (void)
+{
+  int i;
+  omp_set_dynamic (0);
+  omp_set_nested (1);
+#pragma omp parallel num_threads (2) reduction (+:l)
+  if (k == omp_get_thread_num ())
+    {
+#pragma omp parallel for shared (a, e) firstprivate (b, f) \
+                        lastprivate (c, g) private (d, h) \
+                        schedule (static, 1) num_threads (4) \
+                        reduction (+:j)
+      for (i = 0; i < 4; i++)
+       {
+         if (a != 8 || b != 12 || e[0] != 'a' || f[0] != 'b')
+           j++;
+#pragma omp barrier    /* { dg-warning "may not be closely nested" } */
+#pragma omp atomic
+         a += i;
+         b += i;
+         c = i;
+         d = i;
+#pragma omp atomic
+         e[0] += i;
+         f[0] += i;
+         g[0] = 'g' + i;
+         h[0] = 'h' + i;
+#pragma omp barrier    /* { dg-warning "may not be closely nested" } */
+         if (a != 8 + 6 || b != 12 + i || c != i || d != i)
+           j += 8;
+         if (e[0] != 'a' + 6 || f[0] != 'b' + i || g[0] != 'g' + i)
+           j += 64;
+         if (h[0] != 'h' + i)
+           j += 512;
+       }
+      if (j || a != 8 + 6 || b != 12 || c != 3 || d != 20)
+       ++l;
+      if (e[0] != 'a' + 6 || f[0] != 'b' || g[0] != 'g' + 3 || h[0] != 'd')
+       l += 8;
+    }
+  if (l)
+    abort ();
+  return 0;
+}