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/* 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__ */