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6e3b8c47 | 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 | # ScanMem64.Asm | |
15 | # | |
16 | # Abstract: | |
17 | # | |
18 | # ScanMem64 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 | #.MODEL flat,C | |
32 | .code: | |
33 | ||
34 | .global _InternalMemScanMem64 | |
35 | _InternalMemScanMem64: | |
36 | push %edi | |
37 | movl 12(%esp), %ecx | |
38 | movl 16(%esp), %eax | |
39 | movl 20(%esp), %edx | |
40 | movl 8(%esp), %edi | |
41 | L0: | |
42 | cmpl (%edi), %eax | |
43 | leal 8(%edi), %edi | |
44 | loopne L0 | |
45 | jne L1 | |
46 | cmpl -4(%edi), %edx | |
47 | jecxz L1 | |
48 | jne L0 | |
49 | L1: | |
50 | leal -8(%edi), %eax | |
51 | cmovne %ecx, %eax | |
52 | pop %edi | |
53 | ret |