1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/config/mxp/demo/demo.c b/gcc/config/mxp/demo/demo.c
new file mode 100644
index 00000000000..a5852708e9f
--- /dev/null
+++ b/gcc/config/mxp/demo/demo.c
@@ -0,0 +1,35 @@
+#include <stdio.h>
+#include "demo.h"
+
+static unsigned long rand_seed = 47114711;
+long
+simple_rand ()
+{
+  unsigned long this = rand_seed * 1103515245 + 12345;
+  rand_seed = this;
+  return this >> 8;
+}
+
+int
+main (int argc, char **argv)
+{
+  int i;
+  unsigned long res;
+
+  if (argc > 1)
+    rand_seed = atol (argv[1]);
+  for (i = 0; i < sizeof (s) / sizeof (ELEMTYPE); i++)
+    {
+      long el = simple_rand () & 0x7ff;
+
+      /* Make this a 15 bit signed number so that XORing two of these will
+	 again yeild a 15 bit signed numbers, and adding two of those will
+	 fit in a short.  */
+      s.a[i] = (el & 0x4000) ? -0x8000 + el : el;
+      /* Hack: Using s.a to access all of s.  */
+      s.a[i] = el;
+    }
+  res = f ();
+  printf ("result is:%ld 0x%lx\n", res, res);
+  return 0;
+}