root/arch/arm64/include/asm/bitrev.h

INCLUDED FROM

DEFINITIONS

1. __arch_bitrev32
2. __arch_bitrev16
3. __arch_bitrev8

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_BITREV_H
   3 #define __ASM_BITREV_H
   4 static __always_inline __attribute_const__ u32 __arch_bitrev32(u32 x)
   5 {
   6         __asm__ ("rbit %w0, %w1" : "=r" (x) : "r" (x));
   7         return x;
   8 }
   9 
  10 static __always_inline __attribute_const__ u16 __arch_bitrev16(u16 x)
  11 {
  12         return __arch_bitrev32((u32)x) >> 16;
  13 }
  14 
  15 static __always_inline __attribute_const__ u8 __arch_bitrev8(u8 x)
  16 {
  17         return __arch_bitrev32((u32)x) >> 24;
  18 }
  19 
  20 #endif