diff -r c7fdbe297c7c -r 9d7e35a93fad src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp
--- a/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Thu Sep 29 09:54:38 2016 +0800
+++ b/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Sat Oct 08 09:31:28 2016 -0400
@@ -496,6 +496,9 @@
   if (beg_region == end_region) {
     // All in one region.
     _region_data[beg_region].add_live_obj(len);
+#ifdef MIPS64
+    if (Use3A2000) OrderAccess::fence();
+#endif
     return;
   }
 
@@ -514,6 +517,9 @@
   const size_t end_ofs = region_offset(addr + len - 1);
   _region_data[end_region].set_partial_obj_size(end_ofs + 1);
   _region_data[end_region].set_partial_obj_addr(addr);
+#ifdef MIPS64
+    if (Use3A2000) OrderAccess::fence();
+#endif
 }
 
 void