FFmpeg/libavutil/arm/cpu.h
Ben Avison 6869612f5c arm: Macroize the test for 'setend' CPU instruction support
Signed-off-by: Diego Biurrun <diego@biurrun.de>
2014-07-21 15:08:01 -07:00

40 lines
1.5 KiB
C

/*
* 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_ARM_CPU_H
#define AVUTIL_ARM_CPU_H
#include "config.h"
#include "libavutil/cpu.h"
#include "libavutil/cpu_internal.h"
#define have_armv5te(flags) CPUEXT(flags, ARMV5TE)
#define have_armv6(flags) CPUEXT(flags, ARMV6)
#define have_armv6t2(flags) CPUEXT(flags, ARMV6T2)
#define have_vfp(flags) CPUEXT(flags, VFP)
#define have_vfpv3(flags) CPUEXT(flags, VFPV3)
#define have_neon(flags) CPUEXT(flags, NEON)
/* Some functions use the 'setend' instruction which is deprecated on ARMv8
* and serializing on some ARMv7 cores. This macro ensures such functions
* are only enabled on ARMv6. */
#define have_setend(flags) \
(have_armv6(flags) && !(have_vfpv3(flags) || have_neon(flags)))
#endif /* AVUTIL_ARM_CPU_H */