Use intrinsic

[mirror_edk2.git] / MdePkg / Library / BaseLib / X64 / InterlockedDecrement.c

/** @file\r
  InterlockedDecrement function\r
\r
  Copyright (c) 2006, Intel Corporation<BR>\r
  All rights reserved. This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution.  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#if _MSC_EXTENSIONS\r
\r
//\r
// Microsoft Visual Studio 7.1 Function Prototypes for I/O Intrinsics\r
//\r
long _InterlockedDecrement(\r
   long * lpAddend\r
);\r
\r
#pragma intrinsic(_InterlockedDecrement)\r
\r
UINT32\r
EFIAPI\r
InternalSyncDecrement (\r
  IN      UINT32                    *Value\r
  )\r
{\r
  return _InterlockedDecrement (Value);\r
}\r
\r
#endif\r