--- a/hotspot/src/cpu/x86/vm/cppInterpreter_x86.cpp	Tue Apr 05 19:14:03 2011 -0700
+++ b/hotspot/src/cpu/x86/vm/cppInterpreter_x86.cpp	Thu Apr 07 09:53:20 2011 -0700
@@ -936,6 +936,26 @@
 
 }
 
+address InterpreterGenerator::generate_Reference_get_entry(void) {
+#ifndef SERIALGC
+  if (UseG1GC) {
+    // We need to generate have a routine that generates code to:
+    //   * load the value in the referent field
+    //   * passes that value to the pre-barrier.
+    //
+    // In the case of G1 this will record the value of the
+    // referent in an SATB buffer if marking is active.
+    // This will cause concurrent marking to mark the referent
+    // field as live.
+    Unimplemented();
+  }
+#endif // SERIALGC
+
+  // If G1 is not enabled then attempt to go through the accessor entry point
+  // Reference.get is an accessor
+  return generate_accessor_entry();
+}
+
 //
 // C++ Interpreter stub for calling a native method.
 // This sets up a somewhat different looking stack for calling the native method
@@ -2210,6 +2230,8 @@
     case Interpreter::java_lang_math_log     : // fall thru
     case Interpreter::java_lang_math_log10   : // fall thru
     case Interpreter::java_lang_math_sqrt    : entry_point = ((InterpreterGenerator*)this)->generate_math_entry(kind);     break;
+    case Interpreter::java_lang_ref_reference_get
+                                             : entry_point = ((InterpreterGenerator*)this)->generate_Reference_get_entry(); break;
     default                                  : ShouldNotReachHere();                                                       break;
   }