diff -r d79f8393df2b -r 701a83c86f28 src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp
--- a/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp	Wed Feb 22 14:00:34 2012 -0500
+++ b/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp	Tue Feb 21 13:14:55 2012 -0500
@@ -3231,6 +3231,26 @@
   // no-op on TSO
 }
 
+void LIR_Assembler::membar_loadload() {
+  // no-op
+  //__ membar(Assembler::Membar_mask_bits(Assembler::loadload));
+}
+
+void LIR_Assembler::membar_storestore() {
+  // no-op
+  //__ membar(Assembler::Membar_mask_bits(Assembler::storestore));
+}
+
+void LIR_Assembler::membar_loadstore() {
+  // no-op
+  //__ membar(Assembler::Membar_mask_bits(Assembler::loadstore));
+}
+
+void LIR_Assembler::membar_storeload() {
+  __ membar(Assembler::Membar_mask_bits(Assembler::StoreLoad));
+}
+
+
 // Pack two sequential registers containing 32 bit values
 // into a single 64 bit register.
 // src and src->successor() are packed into dst