[people/ms/u-boot.git] / arch / openrisc / include / asm / bitops / ffs.h

/*
 * OpenRISC Linux
 *
 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#ifndef __ASM_OPENRISC_FFS_H
#define __ASM_OPENRISC_FFS_H

static inline int ffs(int x)
{
	int ret;

	__asm__ ("l.ff1 %0,%1"
		 : "=r" (ret)
		 : "r" (x));

	return ret;
}

#endif /* __ASM_OPENRISC_FFS_H */
Commit	Line	Data
ca9d3ab5 SK	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	static inline int ffs(int x)
	16	{
	17	int ret;
	18
	19	__asm__ ("l.ff1 %0,%1"
	20	: "=r" (ret)
	21	: "r" (x));
	22
	23	return ret;
	24	}
	25
	26	#endif /* __ASM_OPENRISC_FFS_H */