- /* $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