1/* Copyright (C) 2000-2021 Free Software Foundation, Inc.
2   This file is part of the GNU C Library.
3
4   The GNU C Library is free software; you can redistribute it and/or
5   modify it under the terms of the GNU Lesser General Public
6   License as published by the Free Software Foundation; either
7   version 2.1 of the License, or (at your option) any later version.
8
9   The GNU C Library is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public
15   License along with the GNU C Library.  If not, see
16   <https://www.gnu.org/licenses/>.  */
17
18/* Finds the first bit set in a long.  */
19
20#include <sysdep.h>
21
22	.arch ev6
23	.set noreorder
24	.set noat
25
26ENTRY(ffsl)
27#ifdef PROF
28	ldgp	gp, 0(pv)
29	lda	AT, _mcount
30	jsr	AT, (AT), _mcount
31	.prologue 1
32#else
33	.prologue 0
34#endif
35
36	cttz	$16, $0
37	addq	$0, 1, $0
38	cmoveq	$16, 0, $0
39	ret
40
41END(ffsl)
42
43weak_extern (ffsl)
44weak_alias (ffsl, ffsll)
45