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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 | # SetMem16.asm | |
15 | # | |
16 | # Abstract: | |
17 | # | |
18 | # SetMem16 function | |
19 | # | |
20 | # Notes: | |
21 | # | |
22 | #------------------------------------------------------------------------------ | |
23 | ||
24 | .686: | |
25 | #.MODEL flat,C | |
26 | .xmm: | |
27 | .code: | |
28 | ||
29 | #------------------------------------------------------------------------------ | |
30 | # VOID * | |
31 | # _mem_SetMem16 ( | |
32 | # IN VOID *Buffer, | |
33 | # IN UINTN Count, | |
34 | # IN UINT16 Value | |
35 | # ) | |
36 | #------------------------------------------------------------------------------ | |
37 | .global _InternalMemSetMem16 | |
38 | _InternalMemSetMem16: | |
39 | push %edi | |
40 | movl 12(%esp), %edx | |
41 | movl 8(%esp), %edi | |
42 | movl %edx, %ecx | |
43 | andl $3, %edx | |
44 | shrl $2, %ecx | |
45 | movl 16(%esp), %eax | |
46 | jz @SetWords | |
47 | movd %eax, %mm0 | |
48 | pshufw $0, %mm0, %mm0 | |
49 | L0: | |
50 | movntq %mm0, (%edi) | |
51 | addl $8, %edi | |
52 | loop L0 | |
53 | mfence | |
54 | @SetWords: | |
55 | movl %edx, %ecx | |
56 | rep | |
57 | stosw | |
58 | movl 8(%esp), %eax | |
59 | pop %edi | |
60 | ret |