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 */