projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 720d3c5f | 1 | /// @file\r |
| 2 | /// Contains an implementation of InterlockedCompareExchange32 on Itanium-\r | |
| 3 | /// based architecture.\r | |
| 4 | ///\r | |
| e2d9bfb2 HT |
5 | /// Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r |
| 6 | /// This program and the accompanying materials\r | |
| 720d3c5f | 7 | /// are licensed and made available under the terms and conditions of the BSD License\r |
| 8 | /// which accompanies this distribution. The full text of the license may be found at\r | |
| 9 | /// http://opensource.org/licenses/bsd-license.php\r | |
| 10 | ///\r | |
| 11 | /// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 12 | /// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 13 | ///\r | |
| 14 | /// Module Name: InterlockedCompareExchange32.s\r | |
| 15 | ///\r | |
| 16 | ///\r | |
| 17 | \r | |
| 18 | .auto\r | |
| 19 | .text\r | |
| 20 | \r | |
| 21 | .proc InternalSyncCompareExchange32\r | |
| 22 | .type InternalSyncCompareExchange32, @function\r | |
| 23 | InternalSyncCompareExchange32::\r | |
| 24 | zxt4 r33 = r33\r | |
| 25 | mov ar.ccv = r33\r | |
| 26 | cmpxchg4.rel r8 = [r32], r34\r | |
| 27 | mf\r | |
| 28 | br.ret.sptk.many b0\r | |
| 29 | .endp InternalSyncCompareExchange32\r |