1/*
2 * Copyright 2014 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#ifndef SkBarriers_arm_DEFINED
9#define SkBarriers_arm_DEFINED
10
11static inline void sk_compiler_barrier() { asm volatile("" : : : "memory"); }
12
13template <typename T>
14T sk_acquire_load(T* ptr) {
15    T val = *ptr;
16    __sync_synchronize();  // Issue a full barrier, which is an overkill acquire barrier.
17    return val;
18}
19
20template <typename T>
21void sk_release_store(T* ptr, T val) {
22    __sync_synchronize();  // Issue a full barrier, which is an overkill release barrier.
23    *ptr = val;
24}
25
26#endif//SkBarriers_x86_DEFINED
27