diff -r 76b73e112cb7 -r f543ff2cabcf src/cpu/mips/vm/macroAssembler_mips.cpp
--- a/src/cpu/mips/vm/macroAssembler_mips.cpp	Tue Oct 24 14:04:09 2017 +0800
+++ b/src/cpu/mips/vm/macroAssembler_mips.cpp	Tue Oct 24 15:06:31 2017 +0800
@@ -1777,14 +1777,14 @@
   CardTableModRefBS* ct = (CardTableModRefBS*)bs;
   assert(sizeof(*ct->byte_map_base) == sizeof(jbyte), "adjust this code");
 
-  li(AT, (long)ct->byte_map_base);
+  set64(AT, (long)ct->byte_map_base);
 #ifdef _LP64
   dadd(AT, AT, obj);
 #else
   add(AT, AT, obj);
 #endif
+  if (UseConcMarkSweepGC) sync();
   sb(R0, AT, 0);
-  sync();
 }
 
 // Defines obj, preserves var_size_in_bytes, okay for t2 == var_size_in_bytes.