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x86: Add convenience macros to check for CPU extensions and flags

This commit is contained in:
Diego Biurrun 2012-08-29 18:53:14 +02:00
parent a84ac7a860
commit f82c4fb27f
1 changed files with 57 additions and 0 deletions
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libavutil/x86/cpu.h Normal file
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/*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_X86_CPU_H
#define AVUTIL_X86_CPU_H
#include "config.h"
#include "libavutil/cpu.h"
#define CPUEXT(flags, suffix, cpuext) \
(HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext))
#define AV_CPU_FLAG_AMD3DNOW AV_CPU_FLAG_3DNOW
#define AV_CPU_FLAG_AMD3DNOWEXT AV_CPU_FLAG_3DNOWEXT
#define EXTERNAL_AMD3DNOW(flags) CPUEXT(flags, _EXTERNAL, AMD3DNOW)
#define EXTERNAL_AMD3DNOWEXT(flags) CPUEXT(flags, _EXTERNAL, AMD3DNOWEXT)
#define EXTERNAL_MMX(flags) CPUEXT(flags, _EXTERNAL, MMX)
#define EXTERNAL_MMXEXT(flags) CPUEXT(flags, _EXTERNAL, MMXEXT)
#define EXTERNAL_SSE(flags) CPUEXT(flags, _EXTERNAL, SSE)
#define EXTERNAL_SSE2(flags) CPUEXT(flags, _EXTERNAL, SSE2)
#define EXTERNAL_SSE3(flags) CPUEXT(flags, _EXTERNAL, SSE3)
#define EXTERNAL_SSSE3(flags) CPUEXT(flags, _EXTERNAL, SSSE3)
#define EXTERNAL_SSE4(flags) CPUEXT(flags, _EXTERNAL, SSE4)
#define EXTERNAL_SSE42(flags) CPUEXT(flags, _EXTERNAL, SSE42)
#define EXTERNAL_AVX(flags) CPUEXT(flags, _EXTERNAL, AVX)
#define EXTERNAL_FMA4(flags) CPUEXT(flags, _EXTERNAL, FMA4)
#define INLINE_AMD3DNOW(flags) CPUEXT(flags, _INLINE, AMD3DNOW)
#define INLINE_AMD3DNOWEXT(flags) CPUEXT(flags, _INLINE, AMD3DNOWEXT)
#define INLINE_MMX(flags) CPUEXT(flags, _INLINE, MMX)
#define INLINE_MMXEXT(flags) CPUEXT(flags, _INLINE, MMXEXT)
#define INLINE_SSE(flags) CPUEXT(flags, _INLINE, SSE)
#define INLINE_SSE2(flags) CPUEXT(flags, _INLINE, SSE2)
#define INLINE_SSE3(flags) CPUEXT(flags, _INLINE, SSE3)
#define INLINE_SSSE3(flags) CPUEXT(flags, _INLINE, SSSE3)
#define INLINE_SSE4(flags) CPUEXT(flags, _INLINE, SSE4)
#define INLINE_SSE42(flags) CPUEXT(flags, _INLINE, SSE42)
#define INLINE_AVX(flags) CPUEXT(flags, _INLINE, AVX)
#define INLINE_FMA4(flags) CPUEXT(flags, _INLINE, FMA4)
#endif /* AVUTIL_X86_CPU_H */