1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/unroll-1.c b/gcc/testsuite/gcc.dg/unroll-1.c
new file mode 100644
index 000000000..5ff07e21e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/unroll-1.c
@@ -0,0 +1,27 @@
+/* PR optimization/8599 */
+/* { dg-do run } */
+/* { dg-options "-O2 -funroll-loops" } */
+/* { dg-options "-mtune=k6 -O2 -funroll-loops" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+
+
+extern void abort (void);
+
+int array[6] = { 1,2,3,4,5,6 };
+
+void foo()
+{
+  int i;
+
+  for (i = 0; i < 5; i++)
+    array[i] = 0;
+}
+
+int main()
+{
+  foo();
+  if (array[0] || array [1] || array[2] || array[3] || array[4])
+    abort ();
+  if (array[5] != 6)
+    abort ();
+  return 0;
+}