diff -r c7fdbe297c7c -r 9d7e35a93fad src/share/vm/gc_implementation/parallelScavenge/psCompactionManager.inline.hpp
--- a/src/share/vm/gc_implementation/parallelScavenge/psCompactionManager.inline.hpp	Thu Sep 29 09:54:38 2016 +0800
+++ b/src/share/vm/gc_implementation/parallelScavenge/psCompactionManager.inline.hpp	Sat Oct 08 09:31:28 2016 -0400
@@ -33,6 +33,9 @@
   ObjArrayTask task(obj, index);
   assert(task.is_valid(), "bad ObjArrayTask");
   _objarray_stack.push(task);
+#ifdef MIPS64
+  if (Use3A2000) OrderAccess::fence();
+#endif
 }
 
 void ParCompactionManager::push_region(size_t index)
@@ -44,6 +47,9 @@
   assert(region_ptr->_pushed++ == 0, "should only be pushed once");
 #endif
   region_stack()->push(index);
+#ifdef MIPS64
+  if (Use3A2000) OrderAccess::fence();
+#endif
 }
 
 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSCOMPACTIONMANAGER_INLINE_HPP