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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* OpenRISC Linux
*
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
*/
#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;
}
#else
#include <asm-generic/bitops/__fls.h>
#endif
#endif /* __ASM_OPENRISC___FLS_H */