diff -r 7763e0b50e20 -r 3fb3ceb7398f src/share/vm/memory/cardTableModRefBS.hpp
--- a/src/share/vm/memory/cardTableModRefBS.hpp	Thu Dec 07 16:21:29 2017 +0800
+++ b/src/share/vm/memory/cardTableModRefBS.hpp	Tue Dec 12 10:30:27 2017 +0800
@@ -317,7 +317,7 @@
   inline void inline_write_ref_array(MemRegion mr) {
     dirty_MemRegion(mr);
 #ifdef MIPS64
-    if (Use3A2000) OrderAccess::fence();
+    if (UseSyncLevel >= 2000) OrderAccess::fence();
 #endif
   }
 protected:
@@ -334,7 +334,7 @@
 
   template <class T> inline void inline_write_ref_field_pre(T* field, oop newVal) {
 #ifdef MIPS64
-    if (Use3A2000) OrderAccess::fence();
+    if (UseSyncLevel >= 2000) OrderAccess::fence();
 #endif
   }
 
@@ -347,7 +347,7 @@
       *byte = dirty_card;
     }
 #ifdef MIPS64
-    if (Use3A2000) OrderAccess::fence();
+    if (UseSyncLevel >= 2000) OrderAccess::fence();
 #endif
   }