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FFmpeg/libavutil/cpu_internal.h
James Almer 73a4589d4b x86: add some more helper macros to check for slow cpuflags
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
2016-02-14 20:00:17 -03:00

48 lines
1.9 KiB
C

/*
* 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_CPU_INTERNAL_H
#define AVUTIL_CPU_INTERNAL_H
#include "cpu.h"
#define CPUEXT_SUFFIX(flags, suffix, cpuext) \
(HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext))
#define CPUEXT_SUFFIX_FAST2(flags, suffix, cpuext, slow_cpuext) \
(HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext) && \
!((flags) & AV_CPU_FLAG_ ## slow_cpuext ## SLOW))
#define CPUEXT_SUFFIX_SLOW2(flags, suffix, cpuext, slow_cpuext) \
(HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext) && \
((flags) & AV_CPU_FLAG_ ## slow_cpuext ## SLOW))
#define CPUEXT_SUFFIX_FAST(flags, suffix, cpuext) CPUEXT_SUFFIX_FAST2(flags, suffix, cpuext, cpuext)
#define CPUEXT_SUFFIX_SLOW(flags, suffix, cpuext) CPUEXT_SUFFIX_SLOW2(flags, suffix, cpuext, cpuext)
#define CPUEXT(flags, cpuext) CPUEXT_SUFFIX(flags, , cpuext)
#define CPUEXT_FAST(flags, cpuext) CPUEXT_SUFFIX_FAST(flags, , cpuext)
#define CPUEXT_SLOW(flags, cpuext) CPUEXT_SUFFIX_SLOW(flags, , cpuext)
int ff_get_cpu_flags_aarch64(void);
int ff_get_cpu_flags_arm(void);
int ff_get_cpu_flags_ppc(void);
int ff_get_cpu_flags_x86(void);
#endif /* AVUTIL_CPU_INTERNAL_H */