1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/unsigned-long-compare.c b/gcc/testsuite/gcc.dg/unsigned-long-compare.c
new file mode 100644
index 000000000..74e7638f1
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/unsigned-long-compare.c
@@ -0,0 +1,24 @@
+/* Copyright (C) 2006 Free Software Foundation, Inc. */
+/* Contributed by Carlos O'Donell on 2006-01-30 */
+
+/* Test a division corner case where the expression simplifies
+   to a comparison, and the optab expansion is wrong. The optab 
+   expansion emits a function whose return is unbiased and needs
+   adjustment. */
+/* Origin: Carlos O'Donell <carlos@codesourcery.com> */
+/* { dg-do run } */
+/* { dg-options "" } */
+#include <stdlib.h>
+
+#define BIG_CONSTANT 0xFFFFFFFF80000000ULL
+
+int main (void)
+{
+  unsigned long long OneULL = 1ULL;
+  unsigned long long result;
+
+  result = OneULL / BIG_CONSTANT; 
+  if (result)
+    abort ();
+  exit (0);
+}