[linux-block.git] / arch / mips / include / asm / bitrev.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MIPS_ASM_BITREV_H__
#define __MIPS_ASM_BITREV_H__

#include <linux/swab.h>

static __always_inline __attribute_const__ u32 __arch_bitrev32(u32 x)
{
	u32 ret;

	asm("bitswap	%0, %1" : "=r"(ret) : "r"(__swab32(x)));
	return ret;
}

static __always_inline __attribute_const__ u16 __arch_bitrev16(u16 x)
{
	u16 ret;

	asm("bitswap	%0, %1" : "=r"(ret) : "r"(__swab16(x)));
	return ret;
}

static __always_inline __attribute_const__ u8 __arch_bitrev8(u8 x)
{
	u8 ret;

	asm("bitswap	%0, %1" : "=r"(ret) : "r"(x));
	return ret;
}

#endif /* __MIPS_ASM_BITREV_H__ */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
87321fdd PB	2	#ifndef __MIPS_ASM_BITREV_H__
	3	#define __MIPS_ASM_BITREV_H__
	4
	5	#include <linux/swab.h>
	6
	7	static __always_inline __attribute_const__ u32 __arch_bitrev32(u32 x)
	8	{
	9	u32 ret;
	10
	11	asm("bitswap %0, %1" : "=r"(ret) : "r"(__swab32(x)));
	12	return ret;
	13	}
	14
	15	static __always_inline __attribute_const__ u16 __arch_bitrev16(u16 x)
	16	{
	17	u16 ret;
	18
	19	asm("bitswap %0, %1" : "=r"(ret) : "r"(__swab16(x)));
	20	return ret;
	21	}
	22
	23	static __always_inline __attribute_const__ u8 __arch_bitrev8(u8 x)
	24	{
	25	u8 ret;
	26
	27	asm("bitswap %0, %1" : "=r"(ret) : "r"(x));
	28	return ret;
	29	}
	30
	31	#endif /* __MIPS_ASM_BITREV_H__ */