memcpy_speed: Use unsigned integers, overflows are undefined for signed integers

diff --git a/testsuite/memcpy_speed.c b/testsuite/memcpy_speed.c
index 147cfe2..75df851 100644 (file)
--- a/testsuite/memcpy_speed.c
+++ b/testsuite/memcpy_speed.c
@@ -20,7 +20,7 @@ int flush_cache = FALSE;
 void
 touch (unsigned char *ptr, int n)
 {
-  static int sum;
+  static unsigned int sum;
   int i;
   for(i=0;i<n;i++){
     sum += ptr[i];