--- old/src/share/vm/runtime/atomic.cpp	2019-01-28 17:44:20.000000000 +0800
+++ new/src/share/vm/runtime/atomic.cpp	2019-01-28 17:44:20.000000000 +0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 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
@@ -74,6 +74,16 @@
                                        (jint)compare_value);
 }
 
+julong Atomic::cmpxchg(julong exchange_value,
+                         volatile julong* dest, julong compare_value) {
+  return (julong)Atomic::cmpxchg((jlong)exchange_value, (volatile jlong*)dest,
+                                       (jlong)compare_value);
+}
+
+julong Atomic::load(volatile julong* src) {
+  return (julong)load((volatile jlong*)src);
+}
+
 jlong Atomic::add(jlong    add_value, volatile jlong*    dest) {
   jlong old = load(dest);
   jlong new_value = old + add_value;
@@ -84,6 +94,16 @@
   return old;
 }
 
+julong Atomic::add(julong    add_value, volatile julong*    dest) {
+  julong old = load(dest);
+  julong new_value = old + add_value;
+  while (old != cmpxchg(new_value, dest, old)) {
+    old = load(dest);
+    new_value = old + add_value;
+  }
+  return old;
+}
+
 void Atomic::inc(volatile short* dest) {
   // Most platforms do not support atomic increment on a 2-byte value. However,
   // if the value occupies the most significant 16 bits of an aligned 32-bit