fls64.h

来自「omap3 linux 2.6 用nocc去除了冗余代码」· C头文件 代码 · 共 13 行

#define _ASM_GENERIC_BITOPS_FLS64_H_

#include <asm/types.h>

static inline int fls64(__u64 x)
{
	__u32 h = x >> 32;
	if (h)
		return fls(h) + 32;
	return fls(x);
}