audk/MdePkg/Library/BaseSynchronizationLib/Ipf/InterlockedCompareExchange16.s

31 lines
1.1 KiB
ArmAsm

/// @file
/// Contains an implementation of InterlockedCompareExchange16 on Itanium-
/// based architecture.
///
/// Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
/// Copyright (c) 2015, Linaro Ltd. All rights reserved.<BR>
/// 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: InterlockedCompareExchange16.s
///
///
.auto
.text
.proc InternalSyncCompareExchange16
.type InternalSyncCompareExchange16, @function
InternalSyncCompareExchange16::
zxt2 r33 = r33
mov ar.ccv = r33
cmpxchg2.rel r8 = [r32], r34
mf
br.ret.sptk.many b0
.endp InternalSyncCompareExchange16