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libavutil
bfin
bswap.h
Go to the documentation of this file.
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/*
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* Copyright (C) 2007 Marc Hoffman
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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
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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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
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* 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
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*/
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#ifndef AVUTIL_BFIN_BSWAP_H
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#define AVUTIL_BFIN_BSWAP_H
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#include <stdint.h>
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#include "config.h"
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#include "
libavutil/attributes.h
"
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#define av_bswap32 av_bswap32
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static
av_always_inline
av_const
uint32_t
av_bswap32
(uint32_t x)
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{
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unsigned
tmp;
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__asm__(
"%1 = %0 >> 8 (V); \n\t"
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"%0 = %0 << 8 (V); \n\t"
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"%0 = %0 | %1; \n\t"
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"%0 = PACK(%0.L, %0.H); \n\t"
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:
"+d"
(x),
"=&d"
(tmp));
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return
x;
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}
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#endif
/* AVUTIL_BFIN_BSWAP_H */
av_const
#define av_const
Definition:
attributes.h:60
attributes.h
Macro definitions for various function/variable attributes.
av_bswap32
#define av_bswap32
Definition:
bswap.h:33
av_always_inline
#define av_always_inline
Definition:
attributes.h:40
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