GIF89a;
Direktori : /usr/src/kernels/3.10.0-1160.88.1.el7.centos.plus.x86_64/include/asm-generic/bitops/ |
Current File : //usr/src/kernels/3.10.0-1160.88.1.el7.centos.plus.x86_64/include/asm-generic/bitops/builtin-__fls.h |
#ifndef _ASM_GENERIC_BITOPS_BUILTIN___FLS_H_ #define _ASM_GENERIC_BITOPS_BUILTIN___FLS_H_ /** * __fls - find last (most-significant) set bit in a long word * @word: the word to search * * Undefined if no set bit exists, so code should check against 0 first. */ static __always_inline unsigned long __fls(unsigned long word) { return (sizeof(word) * 8) - 1 - __builtin_clzl(word); } #endif