1;------------------------------------------------------------------------------
2;
3; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
4; 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    .code
25
26;------------------------------------------------------------------------------
27;  VOID *
28;  InternalMemSetMem16 (
29;    IN VOID   *Buffer,
30;    IN UINTN  Count,
31;    IN UINT16 Value
32;    )
33;------------------------------------------------------------------------------
34InternalMemSetMem16 PROC    USES    rdi
35    mov     rdi, rcx
36    mov     r9, rdi
37    xor     rcx, rcx
38    sub     rcx, rdi
39    and     rcx, 15
40    mov     rax, r8
41    jz      @F
42    shr     rcx, 1
43    cmp     rcx, rdx
44    cmova   rcx, rdx
45    sub     rdx, rcx
46    rep     stosw
47@@:
48    mov     rcx, rdx
49    and     edx, 7
50    shr     rcx, 3
51    jz      @SetWords
52    movd    xmm0, eax
53    pshuflw xmm0, xmm0, 0
54    movlhps xmm0, xmm0
55@@:
56    movntdq [rdi], xmm0
57    add     rdi, 16
58    loop    @B
59    mfence
60@SetWords:
61    mov     ecx, edx
62    rep     stosw
63    mov     rax, r9
64    ret
65InternalMemSetMem16 ENDP
66
67    END
68