From f82c4fb27fa7f8afbe8411c9d37e85facbbc87ae Mon Sep 17 00:00:00 2001 From: Diego Biurrun Date: Wed, 29 Aug 2012 18:53:14 +0200 Subject: x86: Add convenience macros to check for CPU extensions and flags --- libavutil/x86/cpu.h | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 libavutil/x86/cpu.h (limited to 'libavutil') 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 */ -- cgit v1.2.3