diff -r d79f8393df2b -r 701a83c86f28 src/share/vm/c1/c1_LIR.hpp
--- a/src/share/vm/c1/c1_LIR.hpp	Wed Feb 22 14:00:34 2012 -0500
+++ b/src/share/vm/c1/c1_LIR.hpp	Tue Feb 21 13:14:55 2012 -0500
@@ -866,6 +866,10 @@
       , lir_membar
       , lir_membar_acquire
       , lir_membar_release
+      , lir_membar_loadload
+      , lir_membar_storestore
+      , lir_membar_loadstore
+      , lir_membar_storeload
       , lir_get_thread
   , end_op0
   , begin_op1
@@ -1918,6 +1922,10 @@
   void membar()                                  { append(new LIR_Op0(lir_membar)); }
   void membar_acquire()                          { append(new LIR_Op0(lir_membar_acquire)); }
   void membar_release()                          { append(new LIR_Op0(lir_membar_release)); }
+  void membar_loadload()                         { append(new LIR_Op0(lir_membar_loadload)); }
+  void membar_storestore()                       { append(new LIR_Op0(lir_membar_storestore)); }
+  void membar_loadstore()                        { append(new LIR_Op0(lir_membar_loadstore)); }
+  void membar_storeload()                        { append(new LIR_Op0(lir_membar_storeload)); }
 
   void nop()                                     { append(new LIR_Op0(lir_nop)); }
   void build_frame()                             { append(new LIR_Op0(lir_build_frame)); }