/*	$OpenBSD: endian.h,v 1.3 1999/05/10 16:02:08 espie Exp $	*/

/*
 * Copyright (c) 1998 Michael Shalayeff
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Michael Shalayeff.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _MACHINE_ENDIAN_H_
#define	_MACHINE_ENDIAN_H_

#ifdef __GNUC__

#define	__swap32md(x) ({						\
	register u_int32_t __swap32md_x, __swap32md_t;			\
									\
	__asm ("shd %2,%2,8,%0 ! dep %0,15,8,%0 ! shd %%r0,%2,16,%1 !"	\
	       "extru %2,7,8,%0 ! dep %1,23,8,%0"			\
	       : "=r" (__swap32md_x), "=r" (__swap32md_t) : "r" (x));	\
	__swap32md_x;							\
})

#define	__swap16md(x) ({						\
	register u_int16_t __swap16md_x = (x);				\
									\
	__asm ("shd %0,%0,24,%0 ! extru %0,15,8,%0 ! dep %%r0,15,16,%0"	\
	       : "=r" (__swap16md_x));					\
	__swap16md_x;							\
})

/* Tell sys/endian.h we have MD variants of the swap macros.  */
/* #define MD_SWAP */

#endif /* __GNUC__ */


#define	BYTE_ORDER	BIG_ENDIAN
#include <sys/endian.h>

#endif /* !_MACHINE_ENDIAN_H_ */