diff options
Diffstat (limited to 'arch/sh/lib/memchr.S')
| -rw-r--r-- | arch/sh/lib/memchr.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/sh/lib/memchr.S b/arch/sh/lib/memchr.S new file mode 100644 index 0000000000..8ded104077 --- /dev/null +++ b/arch/sh/lib/memchr.S @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* $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 |