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libavutil
x86
emms.h
Go to the documentation of this file.
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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_X86_EMMS_H
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#define AVUTIL_X86_EMMS_H
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#include "config.h"
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#include "
libavutil/attributes.h
"
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void
avpriv_emms_yasm
(
void
);
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#if HAVE_MMX_INLINE
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# define emms_c emms_c
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static
av_always_inline
void
emms_c
(
void
)
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{
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__asm__
volatile
(
"emms"
:::
"memory"
);
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}
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#elif HAVE_MMX && HAVE_MM_EMPTY
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# include <mmintrin.h>
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# define emms_c _mm_empty
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#elif HAVE_MMX_EXTERNAL
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# define emms_c avpriv_emms_yasm
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#endif
/* HAVE_MMX_INLINE */
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#endif
/* AVUTIL_X86_EMMS_H */
attributes.h
Macro definitions for various function/variable attributes.
emms_c
#define emms_c()
Definition:
internal.h:46
avpriv_emms_yasm
void avpriv_emms_yasm(void)
av_always_inline
#define av_always_inline
Definition:
attributes.h:40
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