diff -r c7fdbe297c7c -r 9d7e35a93fad src/share/vm/gc_implementation/parallelScavenge/parMarkBitMap.cpp
--- a/src/share/vm/gc_implementation/parallelScavenge/parMarkBitMap.cpp	Thu Sep 29 09:54:38 2016 +0800
+++ b/src/share/vm/gc_implementation/parallelScavenge/parMarkBitMap.cpp	Sat Oct 08 09:31:28 2016 -0400
@@ -105,6 +105,9 @@
     assert(end_bit_ok, "concurrency problem");
     DEBUG_ONLY(Atomic::inc_ptr(&mark_bitmap_count));
     DEBUG_ONLY(Atomic::add_ptr(size, &mark_bitmap_size));
+#ifdef MIPS64
+    if (Use3A2000) OrderAccess::fence();
+#endif 
     return true;
   }
   return false;