--- old/src/cpu/x86/vm/vm_version_x86_64.cpp	Fri Feb  6 14:00:04 2009
+++ new/src/cpu/x86/vm/vm_version_x86_64.cpp	Fri Feb  6 14:00:04 2009
@@ -324,6 +324,9 @@
         if( FLAG_IS_DEFAULT(UseUnalignedLoadStores) && UseXMMForArrayCopy ) {
           UseUnalignedLoadStores = true; // use movdqu on newest Intel cpus
         }
+        if(FLAG_IS_DEFAULT(UseSSE42Intrinsics)) {
+            UseSSE42Intrinsics = true;
+        }
       }
     }
   }