Moved the MdePkg to OldMdePkg so that new code in MdePkg does not break existing...

[mirror_edk2.git] / OldMdePkg / Library / BaseLib / Ipf / InterlockedCompareExchange32.s

diff --git a/OldMdePkg/Library/BaseLib/Ipf/InterlockedCompareExchange32.s b/OldMdePkg/Library/BaseLib/Ipf/InterlockedCompareExchange32.s
new file mode 100644 (file)
index 0000000..3a278d7
--- /dev/null
+++ b/OldMdePkg/Library/BaseLib/Ipf/InterlockedCompareExchange32.s
@@ -0,0 +1,29 @@
+/// @file\r
+///   Contains an implementation of InterlockedCompareExchange32 on Itanium-\r
+///   based architecture.\r
+///\r
+/// Copyright (c) 2006, Intel Corporation\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
+/// Module Name:  InterlockedCompareExchange32.s\r
+///\r
+///\r
+\r
+.auto\r
+.text\r
+\r
+.proc   InternalSyncCompareExchange32\r
+.type   InternalSyncCompareExchange32, @function\r
+InternalSyncCompareExchange32::\r
+        zxt4                r33 = r33\r
+        mov                 ar.ccv = r33\r
+        cmpxchg4.rel        r8  = [r32], r34\r
+        mf\r
+        br.ret.sptk.many    b0\r
+.endp   InternalSyncCompareExchange32
\ No newline at end of file