ffmpeg/libavutil/avr32/bswap.h
Måns Rullgård e482c2e2fb AVR32: inline asm for bswap.h
Originally committed as revision 19664 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-08-17 00:15:51 +00:00

45 lines
1.2 KiB
C

/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_AVR32_BSWAP_H
#define AVUTIL_AVR32_BSWAP_H
#include <stdint.h>
#include "config.h"
#include "libavutil/common.h"
#if HAVE_INLINE_ASM
#define bswap_16 bswap_16
static av_always_inline av_const uint16_t bswap_16(uint16_t x)
{
__asm__ ("swap.bh %0" : "+r"(x));
return x;
}
#define bswap_32 bswap_32
static av_always_inline av_const uint32_t bswap_32(uint32_t x)
{
__asm__ ("swap.b %0" : "+r"(x));
return x;
}
#endif /* HAVE_INLINE_ASM */
#endif /* AVUTIL_AVR32_BSWAP_H */