EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ipf/InterlockedCompareExchange64.s

   1 /// Copyright (c) 2004, Intel Corporation
   2 /// All rights reserved. This program and the accompanying materials
   3 /// are licensed and made available under the terms and conditions of the BSD License
   4 /// which accompanies this distribution.  The full text of the license may be found at
   5 /// http://opensource.org/licenses/bsd-license.php
   6 ///
   7 /// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
   8 /// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
   9 ///
  10 /// Module Name:
  11 ///
  12 ///   InterlockedCompareExchange64.s
  13 ///
  14 /// Abstract:
  15 ///
  16 ///
  17
  18 .auto
  19 .text
  20
  21 .proc   InternalSyncCompareExchange64
  22 .type   InternalSyncCompareExchange64, @function
  23 InternalSyncCompareExchange64::
  24         mov                 ar.ccv = r33
  25         cmpxchg8.rel        r8  = [r32], r34
  26         mf
  27         br.ret.sptk.many    b0
  28 .endp   InternalSyncCompareExchange64