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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_FLS_H
9#define __ASM_OPENRISC_FLS_H
10
11
12#ifdef CONFIG_OPENRISC_HAVE_INST_FL1
13
14static inline int fls(unsigned int x)
15{
16 int ret;
17
18 __asm__ ("l.fl1 %0,%1"
19 : "=r" (ret)
20 : "r" (x));
21
22 return ret;
23}
24
25#else
26#include <asm-generic/bitops/fls.h>
27#endif
28
29#endif /* __ASM_OPENRISC_FLS_H */