--- a/src/hotspot/cpu/sparc/c1_LIRGenerator_sparc.cpp	Mon Sep 23 14:39:11 2019 -0400
+++ b/src/hotspot/cpu/sparc/c1_LIRGenerator_sparc.cpp	Mon Sep 23 14:49:04 2019 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -568,7 +568,7 @@
   LIR_Opr t2 = FrameMap::G3_opr;
   cmp_value.load_item();
   new_value.load_item();
-  if (type == T_OBJECT || type == T_ARRAY) {
+  if (is_reference_type(type)) {
     __ cas_obj(addr->as_address_ptr()->base(), cmp_value.result(), new_value.result(), t1, t2);
   } else if (type == T_INT) {
     __ cas_int(addr->as_address_ptr()->base(), cmp_value.result(), new_value.result(), t1, t2);
@@ -583,7 +583,7 @@
 }
 
 LIR_Opr LIRGenerator::atomic_xchg(BasicType type, LIR_Opr addr, LIRItem& value) {
-  bool is_obj = type == T_OBJECT || type == T_ARRAY;
+  bool is_obj = is_reference_type(type);
   LIR_Opr result = new_register(type);
   LIR_Opr tmp = LIR_OprFact::illegalOpr;