diff -r f4edb0d9f109 -r 21d113ecbf6a hotspot/src/share/vm/runtime/atomic.cpp
--- a/hotspot/src/share/vm/runtime/atomic.cpp	Fri Apr 11 09:56:35 2008 -0400
+++ b/hotspot/src/share/vm/runtime/atomic.cpp	Sun Apr 13 17:43:42 2008 -0400
@@ -44,3 +44,15 @@
   }
   return cur_as_bytes[offset];
 }
+
+unsigned Atomic::xchg(unsigned int exchange_value, volatile unsigned int* dest) {
+  assert(sizeof(unsigned int) == sizeof(jint), "more work to do");
+  return (unsigned int)Atomic::xchg((jint)exchange_value, (volatile jint*)dest);
+}
+
+unsigned Atomic::cmpxchg(unsigned int exchange_value,
+                         volatile unsigned int* dest, unsigned int compare_value) {
+  assert(sizeof(unsigned int) == sizeof(jint), "more work to do");
+  return (unsigned int)Atomic::cmpxchg((jint)exchange_value, (volatile jint*)dest,
+                                       (jint)compare_value);
+}