1 files changed, 129 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-7.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-7.c
new file mode 100644
index 00000000000..b23c75877f8
--- /dev/null
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-7.c
@@ -0,0 +1,129 @@
+/* Tests of reduction on loop directive.  */
+
+#include <assert.h>
+
+
+/* Test of reduction on loop directive (gangs, non-private reduction
+   variable).  */
+
+void g_np_1()
+{
+  int i, arr[1024], res = 0, hres = 0;
+
+  for (i = 0; i < 1024; i++)
+    arr[i] = i;
+
+  #pragma acc parallel num_gangs(32) num_workers(32) vector_length(32) \
+		       copy(res)
+  {
+    #pragma acc loop gang reduction(+:res)
+    for (i = 0; i < 1024; i++)
+      res += arr[i];
+  }
+
+  for (i = 0; i < 1024; i++)
+    hres += arr[i];
+
+  assert (res == hres);
+
+  res = hres = 1;
+
+  #pragma acc parallel num_gangs(32) num_workers(32) vector_length(32) \
+		       copy(res)
+  {
+    #pragma acc loop gang reduction(*:res)
+    for (i = 0; i < 12; i++)
+      res *= arr[i];
+  }
+
+  for (i = 0; i < 12; i++)
+    hres *= arr[i];
+
+  assert (res == hres);
+}
+
+
+/* Test of reduction on loop directive (gangs and vectors, non-private
+   reduction variable).  */
+
+void gv_np_1()
+{
+  int i, arr[1024], res = 0, hres = 0;
+
+  for (i = 0; i < 1024; i++)
+    arr[i] = i;
+
+  #pragma acc parallel num_gangs(32) num_workers(32) vector_length(32) \
+		       copy(res)
+  {
+    #pragma acc loop gang vector reduction(+:res)
+    for (i = 0; i < 1024; i++)
+      res += arr[i];
+  }
+
+  for (i = 0; i < 1024; i++)
+    hres += arr[i];
+
+  assert (res == hres);
+}
+
+
+/* Test of reduction on loop directive (gangs and workers, non-private
+   reduction variable).  */
+
+void gw_np_1()
+{
+  int i, arr[1024], res = 0, hres = 0;
+
+  for (i = 0; i < 1024; i++)
+    arr[i] = i;
+
+  #pragma acc parallel num_gangs(32) num_workers(32) vector_length(32) \
+		       copy(res)
+  {
+    #pragma acc loop gang worker reduction(+:res)
+    for (i = 0; i < 1024; i++)
+      res += arr[i];
+  }
+
+  for (i = 0; i < 1024; i++)
+    hres += arr[i];
+
+  assert (res == hres);
+}
+
+
+/* Test of reduction on loop directive (gangs, workers and vectors, non-private
+   reduction variable).  */
+
+void gwv_np_1()
+{
+  int i, arr[1024], res = 0, hres = 0;
+
+  for (i = 0; i < 1024; i++)
+    arr[i] = i;
+
+  #pragma acc parallel num_gangs(32) num_workers(32) vector_length(32) \
+		       copy(res)
+  {
+    #pragma acc loop gang worker vector reduction(+:res)
+    for (i = 0; i < 1024; i++)
+      res += arr[i];
+  }
+
+  for (i = 0; i < 1024; i++)
+    hres += arr[i];
+
+  assert (res == hres);
+}
+
+
+int main()
+{
+  g_np_1();
+  gv_np_1();
+  gw_np_1();
+  gwv_np_1();
+
+  return 0;
+}