--- a/hotspot/src/cpu/x86/vm/assembler_x86.hpp	Mon Jan 07 14:08:28 2013 -0800
+++ b/hotspot/src/cpu/x86/vm/assembler_x86.hpp	Tue Jan 08 11:30:51 2013 -0800
@@ -1444,9 +1444,12 @@
   // Shift Right by bytes Logical DoubleQuadword Immediate
   void psrldq(XMMRegister dst, int shift);
 
-  // Logical Compare Double Quadword
+  // Logical Compare 128bit
   void ptest(XMMRegister dst, XMMRegister src);
   void ptest(XMMRegister dst, Address src);
+  // Logical Compare 256bit
+  void vptest(XMMRegister dst, XMMRegister src);
+  void vptest(XMMRegister dst, Address src);
 
   // Interleave Low Bytes
   void punpcklbw(XMMRegister dst, XMMRegister src);