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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | /* $Id: memchr.S,v 1.1 2000/04/14 16:49:01 mjd Exp $ |
3 | * | |
4 | * "memchr" implementation of SuperH | |
5 | * | |
6 | * Copyright (C) 1999 Niibe Yutaka | |
7 | * | |
8 | */ | |
9 | ||
10 | /* | |
11 | * void *memchr(const void *s, int c, size_t n); | |
12 | */ | |
13 | ||
14 | #include <linux/linkage.h> | |
15 | ENTRY(memchr) | |
16 | tst r6,r6 | |
17 | bt/s 2f | |
18 | exts.b r5,r5 | |
19 | 1: mov.b @r4,r1 | |
20 | cmp/eq r1,r5 | |
21 | bt/s 3f | |
22 | dt r6 | |
23 | bf/s 1b | |
24 | add #1,r4 | |
25 | 2: mov #0,r4 | |
26 | 3: rts | |
27 | mov r4,r0 |