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

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