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