diff options
Diffstat (limited to 'MdePkg/Library/BaseSynchronizationLib/Ipf/InterlockedCompareExchange32.s')
| -rw-r--r-- | MdePkg/Library/BaseSynchronizationLib/Ipf/InterlockedCompareExchange32.s | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseSynchronizationLib/Ipf/InterlockedCompareExchange32.s b/MdePkg/Library/BaseSynchronizationLib/Ipf/InterlockedCompareExchange32.s new file mode 100644 index 000000000000..ddcf036162f6 --- /dev/null +++ b/MdePkg/Library/BaseSynchronizationLib/Ipf/InterlockedCompareExchange32.s @@ -0,0 +1,29 @@ +/// @file +/// Contains an implementation of InterlockedCompareExchange32 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: 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 |