/*	$OpenBSD: ffs.S,v 1.2 2004/01/22 20:39:06 deraadt Exp $	*/

/*
 * Written by Miodrag Vallat, 2004 - Public Domain
 */

#include <machine/asm.h>

ENTRY(ffs)
	bcnd	eq0, r2, 1f	/* ff1(0) = 32, treat differently */
	ff1	r3, r2
	jmp.n	r1
	 add	r2, r3, 1	/* ff1 returns 0-31, need to increment */
1:
	jmp.n	r1
	 or	r2, r0, r0