blob: c4ecdb4c523b6d70cff47cb353f7545c6e8e3be2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
/*
* 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;
}
#else
#include <asm-generic/bitops/__fls.h>
#endif
#endif /* __ASM_OPENRISC___FLS_H */
|
