/* Macros to swap the order of bytes in integer values. H8/300 version. Copyright (C) 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, see . */ #ifndef _ASM_BITS_BYTESWAP_H #define _ASM_BITS_BYTESWAP_H 1 #define __bswap_non_constant_32(x) \ __extension__ \ ({ unsigned int __v; \ __asm__ __volatile__ ("mov.l %0,er0\n\t" \ "mov.b r0l,r1h\n\t" \ "mov.b r0h,r1l\n\t" \ "mov.w r1,e1\n\t" \ "mov.w e0,r0\n\t" \ "mov.b r0l,r1h\n\t" \ "mov.b r0h,r1l\n\t" \ "mov.l er1,%0" \ : "=d" (__v) \ : "0" (x): "er0","er1"); \ __v; }) #endif #include