diff --git a/src/share/vm/runtime/vm_version.hpp b/src/share/vm/runtime/vm_version.hpp
index c901b260de5d46843d8a5e8ab13fcc1e8adc56bf..f03b77ca3265182cd9592d444596632c17842be0 100644
--- a/src/share/vm/runtime/vm_version.hpp
+++ b/src/share/vm/runtime/vm_version.hpp
@@ -78,7 +78,13 @@ class Abstract_VM_Version: AllStatic {
   static const char* jre_release_version();
 
   // does HW support an 8-byte compare-exchange operation?
-  static bool supports_cx8()  {return _supports_cx8;}
+  static bool supports_cx8()  {
+#ifdef SUPPORTS_NATIVE_CX8
+    return true;
+#else
+    return _supports_cx8;
+#endif
+  }
   // does HW support atomic get-and-set or atomic get-and-add?  Used
   // to guide intrinsification decisions for Unsafe atomic ops
   static bool supports_atomic_getset4()  {return _supports_atomic_getset4;}