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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* $Id: strncmp.S,v 1.2 1997/03/11 17:51:44 jj Exp $
2 * Sparc64 optimized strncmp code.
3 *
4 * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
5 */
6
7#include <asm/asi.h>
8
9 .text
10 .align 32
11 .globl strncmp
12 .type strncmp,#function
13strncmp:
14 brlez,pn %o2, 3f
15 lduba [%o0] (ASI_PNF), %o3
161:
17 add %o0, 1, %o0
18 ldub [%o1], %o4
19 brz,pn %o3, 2f
20 add %o1, 1, %o1
21 cmp %o3, %o4
22 bne,pn %icc, 2f
23 subcc %o2, 1, %o2
24 bne,a,pt %xcc, 1b
25 ldub [%o0], %o3
262:
27 retl
28 sub %o3, %o4, %o0
293:
30 retl
31 clr %o0
32 .size strncmp, .-strncmp