Cregit: Linux 5.2: swab.h

Contributors: 5
Author	Tokens	Token Proportion	Commits	Commit Proportion
Greg Ungerer	68	88.31%	1	20.00%
Harvey Harrison	6	7.79%	1	20.00%
Greg Kroah-Hartman	1	1.30%	1	20.00%
Maxim Kuvyrkov	1	1.30%	1	20.00%
Jaswinder Singh Rajput	1	1.30%	1	20.00%
Total	77		5

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _M68K_SWAB_H
#define _M68K_SWAB_H

#include <linux/types.h>
#include <linux/compiler.h>

#define __SWAB_64_THRU_32__

#if defined (__mcfisaaplus__) || defined (__mcfisac__)
static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
{
	__asm__("byterev %0" : "=d" (val) : "0" (val));
	return val;
}

#define __arch_swab32 __arch_swab32
#elif !defined(__mcoldfire__)

static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
{
	__asm__("rolw #8,%0; swap %0; rolw #8,%0" : "=d" (val) : "0" (val));
	return val;
}
#define __arch_swab32 __arch_swab32
#endif

#endif /* _M68K_SWAB_H */