Release 4.17 include/asm-generic/bitops/builtin-fls.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_GENERIC_BITOPS_BUILTIN_FLS_H_

#define _ASM_GENERIC_BITOPS_BUILTIN_FLS_H_

/**
 * fls - find last (most-significant) bit set
 * @x: the word to search
 *
 * This is defined the same way as ffs.
 * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
 */


static __always_inline int fls(int x)
{
	return x ? sizeof(x) * 8 - __builtin_clz(x) : 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Catalin Marinas
27
100.00%
1
100.00%
Total
27
100.00%
1
100.00%

#endif
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Catalin Marinas
36
97.30%
1
50.00%
Greg Kroah-Hartman
1
2.70%
1
50.00%
Total
37
100.00%
2
100.00%
Directory: include/asm-generic/bitops

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.