diff -r dabd8d202164 -r db4caa99ef11 src/cpu/x86/vm/c1_LIRAssembler_x86.cpp
--- a/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	Tue Dec 23 06:16:53 2008 -0800
+++ b/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	Wed Dec 24 13:06:09 2008 -0800
@@ -779,7 +779,7 @@
     case T_OBJECT:  // fall through
     case T_ARRAY:
       if (c->as_jobject() == NULL) {
-        __ movptr(as_Address(addr), (int32_t)NULL_WORD);
+        __ movptr(as_Address(addr), NULL_WORD);
       } else {
         if (is_literal_address(addr)) {
           ShouldNotReachHere();