--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/os_cpu/linux_aarch64/orderAccess_linux_aarch64.hpp	Wed Jun 06 10:45:40 2018 -0400
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, Red Hat Inc. 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef OS_CPU_LINUX_AARCH64_VM_ORDERACCESS_LINUX_AARCH64_HPP
+#define OS_CPU_LINUX_AARCH64_VM_ORDERACCESS_LINUX_AARCH64_HPP
+
+// Included in orderAccess.hpp header file.
+
+#include "vm_version_aarch64.hpp"
+
+// Implementation of class OrderAccess.
+
+inline void OrderAccess::loadload()   { acquire(); }
+inline void OrderAccess::storestore() { release(); }
+inline void OrderAccess::loadstore()  { acquire(); }
+inline void OrderAccess::storeload()  { fence(); }
+
+inline void OrderAccess::acquire() {
+  READ_MEM_BARRIER;
+}
+
+inline void OrderAccess::release() {
+  WRITE_MEM_BARRIER;
+}
+
+inline void OrderAccess::fence() {
+  FULL_MEM_BARRIER;
+}
+
+template<size_t byte_size>
+struct OrderAccess::PlatformOrderedLoad<byte_size, X_ACQUIRE>
+{
+  template <typename T>
+  T operator()(const volatile T* p) const { T data; __atomic_load(p, &data, __ATOMIC_ACQUIRE); return data; }
+};
+
+template<size_t byte_size>
+struct OrderAccess::PlatformOrderedStore<byte_size, RELEASE_X>
+{
+  template <typename T>
+  void operator()(T v, volatile T* p) const { __atomic_store(p, &v, __ATOMIC_RELEASE); }
+};
+
+template<size_t byte_size>
+struct OrderAccess::PlatformOrderedStore<byte_size, RELEASE_X_FENCE>
+{
+  template <typename T>
+  void operator()(T v, volatile T* p) const { release_store(p, v); fence(); }
+};
+
+#endif // OS_CPU_LINUX_AARCH64_VM_ORDERACCESS_LINUX_AARCH64_HPP