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44 lines
1.8 KiB
44 lines
1.8 KiB
/* |
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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 "config.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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