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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
49L0:
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