diff -r 5b173b4ca846 -r d7b79a367474 hotspot/src/share/vm/c1/c1_LIRAssembler.cpp
--- a/hotspot/src/share/vm/c1/c1_LIRAssembler.cpp	Tue Nov 23 13:22:55 2010 -0800
+++ b/hotspot/src/share/vm/c1/c1_LIRAssembler.cpp	Tue Nov 30 23:23:40 2010 -0800
@@ -489,7 +489,9 @@
         volatile_move_op(op->in_opr(), op->result_opr(), op->type(), op->info());
       } else {
         move_op(op->in_opr(), op->result_opr(), op->type(),
-                op->patch_code(), op->info(), op->pop_fpu_stack(), op->move_kind() == lir_move_unaligned);
+                op->patch_code(), op->info(), op->pop_fpu_stack(),
+                op->move_kind() == lir_move_unaligned,
+                op->move_kind() == lir_move_wide);
       }
       break;
 
@@ -758,7 +760,7 @@
 }
 
 
-void LIR_Assembler::move_op(LIR_Opr src, LIR_Opr dest, BasicType type, LIR_PatchCode patch_code, CodeEmitInfo* info, bool pop_fpu_stack, bool unaligned) {
+void LIR_Assembler::move_op(LIR_Opr src, LIR_Opr dest, BasicType type, LIR_PatchCode patch_code, CodeEmitInfo* info, bool pop_fpu_stack, bool unaligned, bool wide) {
   if (src->is_register()) {
     if (dest->is_register()) {
       assert(patch_code == lir_patch_none && info == NULL, "no patching and info allowed here");
@@ -767,7 +769,7 @@
       assert(patch_code == lir_patch_none && info == NULL, "no patching and info allowed here");
       reg2stack(src, dest, type, pop_fpu_stack);
     } else if (dest->is_address()) {
-      reg2mem(src, dest, type, patch_code, info, pop_fpu_stack, unaligned);
+      reg2mem(src, dest, type, patch_code, info, pop_fpu_stack, wide, unaligned);
     } else {
       ShouldNotReachHere();
     }
@@ -790,13 +792,13 @@
       const2stack(src, dest);
     } else if (dest->is_address()) {
       assert(patch_code == lir_patch_none, "no patching allowed here");
-      const2mem(src, dest, type, info);
+      const2mem(src, dest, type, info, wide);
     } else {
       ShouldNotReachHere();
     }
 
   } else if (src->is_address()) {
-    mem2reg(src, dest, type, patch_code, info, unaligned);
+    mem2reg(src, dest, type, patch_code, info, wide, unaligned);
 
   } else {
     ShouldNotReachHere();