| /* $Id: memchr.S,v 1.1 2000/04/14 16:49:01 mjd Exp $ | |
| * | |
| * "memchr" implementation of SuperH | |
| * | |
| * Copyright (C) 1999 Niibe Yutaka | |
| * | |
| */ | |
| /* | |
| * void *memchr(const void *s, int c, size_t n); | |
| */ | |
| #include <linux/linkage.h> | |
| ENTRY(memchr) | |
| tst r6,r6 | |
| bt/s 2f | |
| exts.b r5,r5 | |
| 1: mov.b @r4,r1 | |
| cmp/eq r1,r5 | |
| bt/s 3f | |
| dt r6 | |
| bf/s 1b | |
| add #1,r4 | |
| 2: mov #0,r4 | |
| 3: rts | |
| mov r4,r0 |