diff options
Diffstat (limited to 'Core/MdePkg/Library/BaseSynchronizationLib/Ipf/InterlockedCompareExchange64.s')
-rw-r--r-- | Core/MdePkg/Library/BaseSynchronizationLib/Ipf/InterlockedCompareExchange64.s | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseSynchronizationLib/Ipf/InterlockedCompareExchange64.s b/Core/MdePkg/Library/BaseSynchronizationLib/Ipf/InterlockedCompareExchange64.s new file mode 100644 index 0000000000..b6ee19694e --- /dev/null +++ b/Core/MdePkg/Library/BaseSynchronizationLib/Ipf/InterlockedCompareExchange64.s @@ -0,0 +1,28 @@ +/// @file
+/// Contains an implementation of InterlockedCompareExchange64 on Itanium-
+/// based architecture.
+///
+/// Copyright (c) 2006 - 2008, Intel Corporation. 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: 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
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