/* * 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 VFPv2 vector mode which is deprecated in ARMv7-A * and might trap on such CPU depending on the OS configuration */ #define have_vfp_vm(flags) \ (HAVE_VFP && ((flags) & AV_CPU_FLAG_VFP_VM)) /* 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 */