| 12345678910111213141516171819202122232425262728293031323334353637383940 |
- /* 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,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
- #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 <bits/byteswap-common.h>
|
