bswap.h 1.25 KB
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/*
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 * This file is part of Libav.
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 *
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 * Libav is free software; you can redistribute it and/or
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 * 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.
 *
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 * Libav is distributed in the hope that it will be useful,
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 * 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
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 * License along with Libav; if not, write to the Free Software
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 * 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"
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#include "libavutil/attributes.h"
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#if HAVE_INLINE_ASM

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#define av_bswap16 av_bswap16
static av_always_inline av_const uint16_t av_bswap16(uint16_t x)
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{
    __asm__ ("swap.bh %0" : "+r"(x));
    return x;
}

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#define av_bswap32 av_bswap32
static av_always_inline av_const uint32_t av_bswap32(uint32_t x)
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{
    __asm__ ("swap.b  %0" : "+r"(x));
    return x;
}

#endif /* HAVE_INLINE_ASM */

#endif /* AVUTIL_AVR32_BSWAP_H */