xref: /csrg-svn/lib/libc/tahoe/string/ffs.s (revision 61190)
134438Sbostic/*
2*61190Sbostic * Copyright (c) 1988, 1993
3*61190Sbostic *	The Regents of the University of California.  All rights reserved.
434438Sbostic *
542643Sbostic * %sccs.include.redist.c%
634824Sbostic *
734438Sbostic * This code is derived from software contributed to Berkeley by
834438Sbostic * Computer Consoles Inc.
934438Sbostic */
1029694Ssam
1134438Sbostic#if defined(LIBC_SCCS) && !defined(lint)
12*61190Sbostic	.asciz "@(#)ffs.s	8.1 (Berkeley) 06/04/93"
1334438Sbostic#endif /* LIBC_SCCS and not lint */
1434438Sbostic
1529694Ssam/* bit = ffs(value) */
1629694Ssam
1729694Ssam#include "DEFS.h"
1829694Ssam
1929694SsamENTRY(ffs, 0)
2029694Ssam	ffs	4(fp),r0
2129694Ssam	bgeq	1f
2229694Ssam	mnegl	$1,r0
2329694Ssam1:
2429694Ssam	incl	r0
2529694Ssam	ret
26