1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/prefetch-4.c b/gcc/testsuite/gcc.dg/tree-ssa/prefetch-4.c
new file mode 100644
index 000000000..bff4b9fbf
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/prefetch-4.c
@@ -0,0 +1,18 @@
+/* The loop rolls too little, hence the prefetching would not be useful.  */
+
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+/* { dg-require-effective-target ilp32 } */
+/* { dg-options "-O2 -fprefetch-loop-arrays -march=athlon -fdump-tree-optimized" } */
+
+int xxx[20];
+
+void foo (int n)
+{
+  int i;
+
+  for (i = 0; i < n; i++)
+    xxx[i] = i;
+}
+
+/* { dg-final { scan-tree-dump-times "prefetch" 0 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */