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44 lines
1.8 KiB
C
44 lines
1.8 KiB
C
/*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVUTIL_ARM_CPU_H
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#define AVUTIL_ARM_CPU_H
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#include "libavutil/cpu.h"
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#include "libavutil/cpu_internal.h"
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#define have_armv5te(flags) CPUEXT(flags, ARMV5TE)
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#define have_armv6(flags) CPUEXT(flags, ARMV6)
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#define have_armv6t2(flags) CPUEXT(flags, ARMV6T2)
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#define have_vfp(flags) CPUEXT(flags, VFP)
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#define have_vfpv3(flags) CPUEXT(flags, VFPV3)
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#define have_neon(flags) CPUEXT(flags, NEON)
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/* some functions use the VFPv2 vector mode which is deprecated in ARMv7-A
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* and might trap on such CPU depending on the OS configuration */
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#define have_vfp_vm(flags) \
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(HAVE_VFP && ((flags) & AV_CPU_FLAG_VFP_VM))
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/* Some functions use the 'setend' instruction which is deprecated on ARMv8
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* and serializing on some ARMv7 cores. This macro ensures such functions
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* are only enabled on ARMv6. */
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#define have_setend(flags) \
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(have_armv6(flags) && !(have_vfpv3(flags) || have_neon(flags)))
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#endif /* AVUTIL_ARM_CPU_H */
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