diff -r c7ed11779ce8 -r 3576af4cb939 src/cpu/x86/vm/c1_LIRAssembler_x86.cpp
--- a/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	Tue Apr 10 09:31:04 2012 -0700
+++ b/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	Wed Apr 11 19:15:46 2012 -0700
@@ -1462,7 +1462,11 @@
       break;
 
     case Bytecodes::_l2i:
+#ifdef _LP64
+      __ movl(dest->as_register(), src->as_register_lo());
+#else
       move_regs(src->as_register_lo(), dest->as_register());
+#endif
       break;
 
     case Bytecodes::_i2b: