1 files changed, 57 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-w-1.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-w-1.c
new file mode 100644
index 00000000000..5473c2d609d
--- /dev/null
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-w-1.c
@@ -0,0 +1,57 @@
+/* { dg-do run } */
+/* { dg-additional-options "-O2" */
+
+#include <stdio.h>
+
+#define N (32*32*32+17)
+int main ()
+{
+  int ary[N];
+  int ix;
+  int exit = 0;
+  int ondev = 0;
+
+  for (ix = 0; ix < N;ix++)
+    ary[ix] = -1;
+  
+#pragma acc parallel num_workers(32) vector_length(32) copy(ary) copy(ondev)
+  {
+#pragma acc loop worker
+    for (unsigned ix = 0; ix < N; ix++)
+      {
+	if (__builtin_acc_on_device (5))
+	  {
+	    int g = 0, w = 0, v = 0;
+
+	    __asm__ volatile ("mov.u32 %0,%%ctaid.x;" : "=r" (g));
+	    __asm__ volatile ("mov.u32 %0,%%tid.y;" : "=r" (w));
+	    __asm__ volatile ("mov.u32 %0,%%tid.x;" : "=r" (v));
+	    ary[ix] = (g << 16) | (w << 8) | v;
+	    ondev = 1;
+	  }
+	else
+	  ary[ix] = ix;
+      }
+  }
+
+  for (ix = 0; ix < N; ix++)
+    {
+      int expected = ix;
+      if(ondev)
+	{
+	  int g = 0;
+	  int w = ix % 32;
+	  int v = 0;
+
+	  expected = (g << 16) | (w << 8) | v;
+	}
+      
+      if (ary[ix] != expected)
+	{
+	  exit = 1;
+	  printf ("ary[%d]=%x expected %x\n", ix, ary[ix], expected);
+	}
+    }
+  
+  return exit;
+}