1 files changed, 49 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/20080723-1.c b/gcc/testsuite/gcc.target/i386/20080723-1.c
new file mode 100644
index 000000000..a2ed5bf86
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/20080723-1.c
@@ -0,0 +1,49 @@
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+
+extern void abort (void);
+extern void exit (int);
+
+static inline __attribute__((always_inline))
+void
+prefetch (void *x)
+{
+  asm volatile("prefetcht0 %0" : : "m" (*(unsigned long *)x));
+}
+
+struct hlist_head
+{
+  struct hlist_node *first;
+};
+
+struct hlist_node
+{
+  struct hlist_node *next;
+  unsigned long i_ino;
+};
+
+struct hlist_node * find_inode_fast(struct hlist_head *head, unsigned long ino)
+{
+  struct hlist_node *node;
+
+  for (node = head->first;
+       node && (prefetch (node->next), 1);
+       node = node->next)
+    {
+      if (node->i_ino == ino)
+	break;
+    }
+  return node ? node : 0;
+}
+
+struct hlist_node g2;
+struct hlist_node g1 = { &g2 };
+struct hlist_head h = { &g1 };
+
+int
+main()
+{
+  if (find_inode_fast (&h, 1) != 0)
+    abort ();
+  exit (0);
+}