src/hotspot/share/runtime/objectMonitor.inline.hpp

rev 59856 : 8247280: more fencing needed in async deflation for non-TSO machines
Reviewed-by: dholmes

@@ -189,24 +189,32 @@
                                        p2i(prev), p2i(new_value));
   }
   return prev;
 }
 
+inline void ObjectMonitor::release_set_allocation_state(ObjectMonitor::AllocationState s) {
+  Atomic::release_store((int*)&_allocation_state, (int)s);
+}
+
 inline void ObjectMonitor::set_allocation_state(ObjectMonitor::AllocationState s) {
   _allocation_state = s;
 }
 
 inline ObjectMonitor::AllocationState ObjectMonitor::allocation_state() const {
   return _allocation_state;
 }
 
+inline ObjectMonitor::AllocationState ObjectMonitor::allocation_state_acquire() const {
+  return (AllocationState)Atomic::load_acquire((int*)&_allocation_state);
+}
+
 inline bool ObjectMonitor::is_free() const {
   return _allocation_state == Free;
 }
 
 inline bool ObjectMonitor::is_old() const {
-  return _allocation_state == Old;
+  return allocation_state_acquire() == Old;
 }
 
 inline bool ObjectMonitor::is_new() const {
   return _allocation_state == New;
 }