File: fls.h

package info (click to toggle)
linux 6.18.9-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 1,742,212 kB
  • sloc: ansic: 26,783,651; asm: 272,129; sh: 148,799; python: 79,242; makefile: 57,742; perl: 36,527; xml: 19,542; cpp: 5,911; yacc: 4,939; lex: 2,950; awk: 1,607; sed: 30; ruby: 25
file content (29 lines) | stat: -rw-r--r-- 461 bytes parent folder | download | duplicates (6) 
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
 
/* 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 __attribute_const__ int fls(unsigned int x)
{
	int ret;

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

	return ret;
}

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

#endif /* __ASM_OPENRISC_FLS_H */