mirror of https://github.com/acidanthera/audk.git
28 lines
998 B
ArmAsm
28 lines
998 B
ArmAsm
/// @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 = [r32], r34
|
|
mf
|
|
br.ret.sptk.many b0
|
|
.endp InternalSyncCompareExchange64
|