OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [newlib/] [newlib/] [libc/] [machine/] [i386/] [memset.S] - Blame information for rev 1765

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 56 joel 
/*
2 
 * ====================================================
3 
 * Copyright (C) 1998 by Cygnus Solutions. All rights reserved.
4 
 *
5 
 * Permission to use, copy, modify, and distribute this
6 
 * software is freely granted, provided that this notice
7 
 * is preserved.
8 
 * ====================================================
9 
 */
10 
 
11 
        #include "i386mach.h"
12 
 
13 
        .global SYM (memset)
14 
 
15 
SYM (memset):
16 
 
17 
        pushl ebp
18 
        movl esp,ebp
19 
        pushl edi
20 
        pushl ebx
21 
        movl 8(ebp),edi
22 
        movl 12(ebp),eax
23 
        movl 16(ebp),ecx
24 
        cld
25 
 
26 
#ifndef __OPTIMIZE_SIZE__
27 
        andl $255,eax
28 
        movl ecx,ebx
29 
        testl $3,edi
30 
        jne .L19
31 
        cmpl $16,ecx
32 
        jbe .L19
33 
 
34 
        movl eax,edx
35 
        sall $8,eax
36 
        orl edx,eax
37 
 
38 
        movl eax,edx
39 
        sall $16,edx
40 
        orl edx,eax
41 
 
42 
        shrl $2,ecx
43 
        andl $3,ebx
44 
        rep
45 
        stosl
46 
        movl ebx,ecx
47 
#endif /* not __OPTIMIZE_SIZE__ */
48 
 
49 
.L19:
50 
        rep
51 
        stosb
52 
 
53 
        movl 8(ebp),eax
54 
 
55 
        leal -8(ebp),esp
56 
        popl ebx
57 
        popl edi
58 
        leave
59 
        ret

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.