/// @file | |
/// Contains an implementation of InterlockedCompareExchange64 on Itanium- | |
/// based architecture. | |
/// | |
/// Copyright (c) 2006, Intel Corporation | |
/// All rights reserved. This program and the accompanying materials | |
/// are licensed and made available under the terms and conditions of the BSD License | |
/// which accompanies this distribution. The full text of the license may be found at | |
/// http://opensource.org/licenses/bsd-license.php | |
/// | |
/// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
/// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
/// | |
/// Module Name: InterlockedCompareExchange64.s | |
/// | |
/// | |
.auto | |
.text | |
.proc InternalSyncCompareExchange64 | |
.type InternalSyncCompareExchange64, @function | |
InternalSyncCompareExchange64:: | |
mov ar.ccv = r33 | |
cmpxchg8.rel r8 = [r64], r34 | |
mf | |
br.ret.sptk.many b0 | |
.endp InternalSyncCompareExchange64 |