1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
/*
* Sparc64 optimized strncmp code.
*
* Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
*/
#include <linux/linkage.h>
#include <asm/asi.h>
#include <asm/export.h>
.text
ENTRY(strncmp)
brlez,pn %o2, 3f
lduba [%o0] (ASI_PNF), %o3
1:
add %o0, 1, %o0
ldub [%o1], %o4
brz,pn %o3, 2f
add %o1, 1, %o1
cmp %o3, %o4
bne,pn %icc, 2f
subcc %o2, 1, %o2
bne,a,pt %xcc, 1b
ldub [%o0], %o3
2:
retl
sub %o3, %o4, %o0
3:
retl
clr %o0
ENDPROC(strncmp)
EXPORT_SYMBOL(strncmp)
|
