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| author | Diego Biurrun <diego@biurrun.de> | 2012-08-29 18:53:14 +0200 |
|---|---|---|
| committer | Diego Biurrun <diego@biurrun.de> | 2012-09-04 01:44:59 +0200 |
| commit | f82c4fb27fa7f8afbe8411c9d37e85facbbc87ae (patch) | |
| tree | 21969411c24951db8166ef063bd45b28e12a0744 /libavutil/x86 | |
| parent | a84ac7a86055144d21a6ecea188ae3596ec0a283 (diff) | |
| download | ffmpeg-f82c4fb27fa7f8afbe8411c9d37e85facbbc87ae.tar.gz | |
x86: Add convenience macros to check for CPU extensions and flags
Diffstat (limited to 'libavutil/x86')
| -rw-r--r-- | libavutil/x86/cpu.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/libavutil/x86/cpu.h b/libavutil/x86/cpu.h new file mode 100644 index 0000000000..e14cb57416 --- /dev/null +++ b/libavutil/x86/cpu.h @@ -0,0 +1,57 @@ +/* + * 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 */ |