--- a/hotspot/src/cpu/x86/vm/assembler_x86.hpp	Thu Mar 12 10:37:46 2009 -0700
+++ b/hotspot/src/cpu/x86/vm/assembler_x86.hpp	Fri Mar 13 11:35:17 2009 -0700
@@ -1224,6 +1224,14 @@
   void popq(Address dst);
 #endif
 
+  void popcntl(Register dst, Address src);
+  void popcntl(Register dst, Register src);
+
+#ifdef _LP64
+  void popcntq(Register dst, Address src);
+  void popcntq(Register dst, Register src);
+#endif
+
   // Prefetches (SSE, SSE2, 3DNOW only)
 
   void prefetchnta(Address src);