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1 | #------------------------------------------------------------------------------ |
2 | # |
3 | # Copyright (c) 2006, Intel Corporation |
4 | # All rights reserved. This program and the accompanying materials |
5 | # are licensed and made available under the terms and conditions of the BSD License |
6 | # which accompanies this distribution. The full text of the license may be found at |
7 | # http://opensource.org/licenses/bsd-license.php |
8 | # |
9 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, |
10 | # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. |
11 | # |
12 | # Module Name: |
13 | # |
14 | # CompareMem.Asm |
15 | # |
16 | # Abstract: |
17 | # |
18 | # CompareMem function |
19 | # |
20 | # Notes: |
21 | # |
22 | # The following BaseMemoryLib instances share the same version of this file: |
23 | # |
24 | # BaseMemoryLibRepStr |
25 | # BaseMemoryLibMmx |
26 | # BaseMemoryLibSse2 |
27 | # |
28 | #------------------------------------------------------------------------------ |
29 | |
30 | .686: |
31 | .code: |
32 | |
37867477 |
33 | .global _InternalMemCompareMem |
34 | _InternalMemCompareMem: |
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35 | push %esi |
36 | push %edi |
37 | movl 12(%esp),%esi |
38 | movl 16(%esp),%edi |
39 | movl 20(%esp),%ecx |
40 | repe cmpsb |
41 | movzbl -1(%esi), %eax |
42 | movzbl -1(%edi), %edx |
43 | subl %edx,%eax |
44 | pop %edi |
45 | pop %esi |
46 | ret |