/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2020-2022 Loongson Technology Corporation Limited */ #ifndef __LOONGARCH_ASM_BITREV_H__ #define __LOONGARCH_ASM_BITREV_H__ #include <linux/swab.h> static __always_inline __attribute_const__ u32 __arch_bitrev32(u32 x) { u32 ret; asm("bitrev.4b %0, %1" : "=r"(ret) : "r"(__swab32(x))); return ret; } static __always_inline __attribute_const__ u16 __arch_bitrev16(u16 x) { u16 ret; asm("bitrev.4b %0, %1" : "=r"(ret) : "r"(__swab16(x))); return ret; } static __always_inline __attribute_const__ u8 __arch_bitrev8(u8 x) { u8 ret; asm("bitrev.4b %0, %1" : "=r"(ret) : "r"(x)); return ret; } #endif /* __LOONGARCH_ASM_BITREV_H__ */