--- a/hotspot/src/share/vm/c1/c1_LIRAssembler.cpp	Wed Feb 22 14:00:34 2012 -0500
+++ b/hotspot/src/share/vm/c1/c1_LIRAssembler.cpp	Tue Feb 21 13:14:55 2012 -0500
@@ -664,6 +664,22 @@
       membar_release();
       break;
 
+    case lir_membar_loadload:
+      membar_loadload();
+      break;
+
+    case lir_membar_storestore:
+      membar_storestore();
+      break;
+
+    case lir_membar_loadstore:
+      membar_loadstore();
+      break;
+
+    case lir_membar_storeload:
+      membar_storeload();
+      break;
+
     case lir_get_thread:
       get_thread(op->result_opr());
       break;