LXR linux/tools/include/asm-generic/bitsperlong.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __ASM_GENERIC_BITS_PER_LONG
   3#define __ASM_GENERIC_BITS_PER_LONG
   4
   5#include <uapi/asm-generic/bitsperlong.h>
   6
   7#ifdef __SIZEOF_LONG__
   8#define BITS_PER_LONG (__CHAR_BIT__ * __SIZEOF_LONG__)
   9#else
  10#define BITS_PER_LONG __WORDSIZE
  11#endif
  12
  13#if BITS_PER_LONG != __BITS_PER_LONG
  14#error Inconsistent word size. Check asm/bitsperlong.h
  15#endif
  16
  17#ifndef BITS_PER_LONG_LONG
  18#define BITS_PER_LONG_LONG 64
  19#endif
  20
  21#define small_const_nbits(nbits) \
  22        (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG && (nbits) > 0)
  23
  24#endif /* __ASM_GENERIC_BITS_PER_LONG */
  25