1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * OpenRISC Linux
 4 *
 5 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
 
 
 
 
 
 6 */
 7
 8#ifndef __ASM_OPENRISC_FFS_H
 9#define __ASM_OPENRISC_FFS_H
10
11#ifdef CONFIG_OPENRISC_HAVE_INST_FF1
12
13static inline int ffs(int x)
14{
15	int ret;
16
17	__asm__ ("l.ff1 %0,%1"
18		 : "=r" (ret)
19		 : "r" (x));
20
21	return ret;
22}
23
24#else
25#include <asm-generic/bitops/ffs.h>
26#endif
27
28#endif /* __ASM_OPENRISC_FFS_H */

 
 1/*
 2 * OpenRISC Linux
 3 *
 4 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
 5 *
 6 * This program is free software; you can redistribute it and/or modify
 7 * it under the terms of the GNU General Public License as published by
 8 * the Free Software Foundation; either version 2 of the License, or
 9 * (at your option) any later version.
10 */
11
12#ifndef __ASM_OPENRISC_FFS_H
13#define __ASM_OPENRISC_FFS_H
14
15#ifdef CONFIG_OPENRISC_HAVE_INST_FF1
16
17static inline int ffs(int x)
18{
19	int ret;
20
21	__asm__ ("l.ff1 %0,%1"
22		 : "=r" (ret)
23		 : "r" (x));
24
25	return ret;
26}
27
28#else
29#include <asm-generic/bitops/ffs.h>
30#endif
31
32#endif /* __ASM_OPENRISC_FFS_H */