1 files changed, 0 insertions, 31 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/InterlockedCompareExchange64.c b/MdePkg/Library/BaseLib/Ia32/InterlockedCompareExchange64.c
deleted file mode 100644
index d3747bed2c..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/InterlockedCompareExchange64.c
+++ /dev/null
@@ -1,31 +0,0 @@
-/** @file
-  InterlockedCompareExchange64 function
-
-  Copyright (c) 2006 - 2007, Intel Corporation<BR>
-  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.
-
-**/
-
-UINT64
-EFIAPI
-InternalSyncCompareExchange64 (
-  IN      UINT64                    *Value,
-  IN      UINT64                    CompareValue,
-  IN      UINT64                    ExchangeValue
-  )
-{
-  _asm {
-    mov     esi, Value
-    mov     eax, dword ptr [CompareValue + 0]
-    mov     edx, dword ptr [CompareValue + 4]
-    mov     ebx, dword ptr [ExchangeValue + 0]
-    mov     ecx, dword ptr [ExchangeValue + 4]
-    lock    cmpxchg8b   qword ptr [esi]
-  }
-}