--- a/hotspot/src/share/vm/runtime/vm_version.hpp Fri Sep 20 11:17:04 2013 -0700
+++ b/hotspot/src/share/vm/runtime/vm_version.hpp Fri Sep 20 20:19:52 2013 -0700
@@ -78,7 +78,13 @@
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;}