1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 #ifndef __ASM_BITREV_H
3 #define __ASM_BITREV_H
4 static __always_inline __attribute_const__ u32
5 {
6 __asm__ ("rbit %w0, %w1" : "=r" (x) :
7 return x;
8 }
9
10 static __always_inline __attribute_const__ u16
11 {
12 return __arch_bitrev32((u32)x) >> 16;
13 }
14
15 static __always_inline __attribute_const__ u8
16 {
17 return __arch_bitrev32((u32)x) >> 24;
18 }
19
20 #endif
21
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