Release 4.14 arch/openrisc/include/asm/bitops/__fls.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___FLS_H

#define __ASM_OPENRISC___FLS_H


#ifdef CONFIG_OPENRISC_HAVE_INST_FL1



static inline unsigned long __fls(unsigned long x)
{
	int ret;

	__asm__ ("l.fl1 %0,%1"
                 : "=r" (ret)
                 : "r" (x));

	return ret-1;
}

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#else
#include <asm-generic/bitops/__fls.h>
#endif

#endif /* __ASM_OPENRISC___FLS_H */
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Directory: arch/openrisc/include/asm/bitops

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