summaryrefslogtreecommitdiffstats
path: root/media/ffvpx/libavutil/x86/emms.h
diff options
context:
space:
mode:
Diffstat (limited to 'media/ffvpx/libavutil/x86/emms.h')
-rw-r--r--media/ffvpx/libavutil/x86/emms.h58
1 files changed, 0 insertions, 58 deletions
diff --git a/media/ffvpx/libavutil/x86/emms.h b/media/ffvpx/libavutil/x86/emms.h
deleted file mode 100644
index 8ceec110cf..0000000000
--- a/media/ffvpx/libavutil/x86/emms.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * 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_X86_EMMS_H
-#define AVUTIL_X86_EMMS_H
-
-#include "config.h"
-#include "libavutil/attributes.h"
-
-void avpriv_emms_asm(void);
-
-#if HAVE_MMX_INLINE
-#ifndef __MMX__
-#include "libavutil/cpu.h"
-#endif
-
-# define emms_c emms_c
-/**
- * Empty mmx state.
- * this must be called between any dsp function and float/double code.
- * for example sin(); dsp->idct_put(); emms_c(); cos()
- * Note, *alloc() and *free() also use float code in some libc implementations
- * thus this also applies to them or any function using them.
- */
-static av_always_inline void emms_c(void)
-{
-/* Some inlined functions may also use mmx instructions regardless of
- * runtime cpuflags. With that in mind, we unconditionally empty the
- * mmx state if the target cpu chosen at configure time supports it.
- */
-#if !defined(__MMX__)
- if(av_get_cpu_flags() & AV_CPU_FLAG_MMX)
-#endif
- __asm__ volatile ("emms" ::: "memory");
-}
-#elif HAVE_MMX && HAVE_MM_EMPTY
-# include <mmintrin.h>
-# define emms_c _mm_empty
-#elif HAVE_MMX_EXTERNAL
-# define emms_c avpriv_emms_asm
-#endif /* HAVE_MMX_INLINE */
-
-#endif /* AVUTIL_X86_EMMS_H */