root/arch/arc/include/uapi/asm/swab.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * vineetg: May 2011
 *  -Support single cycle endian-swap insn in ARC700 4.10
 *
 * vineetg: June 2009
 *  -Better htonl implementation (5 instead of 9 ALU instructions)
 *  -Hardware assisted single cycle bswap (Use Case of ARC custom instrn)
 */

#ifndef __ASM_ARC_SWAB_H
#define __ASM_ARC_SWAB_H

#include <linux/types.h>

#define __arch_swab32(x)                \
({                                      \
        unsigned int tmp = x;           \
        __asm__(                        \
        "       swape   %0, %1  \n"     \
        : "=r" (tmp)                    \
        : "r" (tmp));                   \
        tmp;                            \
})

#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
#define __SWAB_64_THRU_32__
#endif

#endif