ffs.S revision 1.1 
1/*	$OpenBSD: ffs.S,v 1.1 2004/08/11 10:29:59 pefo Exp $	*/
2
3#include "DEFS.h"
4
5
6/*
7 * bit = ffs(value)
8 */
9LEAF(ffs)
10	.set	noreorder
11	beq	a0, zero, 2f
12	move	v0, zero
131:
14	and	v1, a0, 1		# bit set?
15	addu	v0, v0, 1
16	beq	v1, zero, 1b		# no, continue
17	srl	a0, a0, 1
182:
19	j	ra
20	 nop
21END(ffs)
22