diff -r 98b4b0661837 -r ac27a9c85bea src/share/vm/memory/cardTableModRefBS.hpp
--- a/src/share/vm/memory/cardTableModRefBS.hpp	Wed Sep 06 00:35:24 2017 -0700
+++ b/src/share/vm/memory/cardTableModRefBS.hpp	Thu May 24 18:41:44 2018 +0800
@@ -316,6 +316,9 @@
 
   inline void inline_write_ref_array(MemRegion mr) {
     dirty_MemRegion(mr);
+#ifdef MIPS64
+    if (UseSyncLevel >= 2000) OrderAccess::fence();
+#endif
   }
 protected:
   void write_ref_array_work(MemRegion mr) {
@@ -329,7 +332,11 @@
 
   // *** Card-table-barrier-specific things.
 
-  template <class T> inline void inline_write_ref_field_pre(T* field, oop newVal) {}
+  template <class T> inline void inline_write_ref_field_pre(T* field, oop newVal) {
+#ifdef MIPS64
+    if (UseSyncLevel >= 2000) OrderAccess::fence();
+#endif
+  }
 
   template <class T> inline void inline_write_ref_field(T* field, oop newVal, bool release) {
     jbyte* byte = byte_for((void*)field);
@@ -339,6 +346,9 @@
     } else {
       *byte = dirty_card;
     }
+#ifdef MIPS64
+    if (UseSyncLevel >= 2000) OrderAccess::fence();
+#endif
   }
 
   // These are used by G1, when it uses the card table as a temporary data