Initial import.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BaseLib/Ipf/InterlockedCompareExchange32.s

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+/// @file
+///   Contains an implementation of InterlockedCompareExchange32 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:  InterlockedCompareExchange32.s
+///
+///
+
+.auto
+.text
+
+.proc   InternalSyncCompareExchange32
+.type   InternalSyncCompareExchange32, @function
+InternalSyncCompareExchange32::
+        zxt4                r33 = r33
+        mov                 ar.ccv = r33
+        cmpxchg4.rel        r8  = [r32], r34
+        mf
+        br.ret.sptk.many    b0
+.endp   InternalSyncCompareExchange32