diff -r 117cf4377bf4 -r 1556c6d89036 src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp
--- a/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp	Mon Apr 01 14:52:38 2019 +0800
+++ b/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp	Tue Apr 02 19:01:15 2019 +0800
@@ -1329,7 +1329,7 @@
   const int obj_size = obj->size();
   if (mark_bitmap()->mark_obj(obj, obj_size)) {
     _summary_data.add_obj(obj, obj_size);
-#ifdef MIPS
+#if defined MIPS && !defined ZERO
     if (UseSyncLevel >= 2000) OrderAccess::fence();
 #endif
     return true;
@@ -1366,7 +1366,7 @@
     oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
     if (mark_bitmap()->is_unmarked(obj) && mark_obj(obj)) {
       cm->push(obj);
-#ifdef MIPS
+#if defined MIPS && !defined ZERO
       if (UseSyncLevel >= 2000) OrderAccess::fence();
 #endif
     }