aarch64: Add assembly support for -fsanitize=hwaddress tagged globals.
[libav.git] / libavutil / arm / cpu.h
1 /*
2 * This file is part of Libav.
3 *
4 * Libav is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * Libav is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #ifndef AVUTIL_ARM_CPU_H
20 #define AVUTIL_ARM_CPU_H
21
22 #include "libavutil/cpu.h"
23 #include "libavutil/cpu_internal.h"
24
25 #define have_armv5te(flags) CPUEXT(flags, ARMV5TE)
26 #define have_armv6(flags) CPUEXT(flags, ARMV6)
27 #define have_armv6t2(flags) CPUEXT(flags, ARMV6T2)
28 #define have_vfp(flags) CPUEXT(flags, VFP)
29 #define have_vfpv3(flags) CPUEXT(flags, VFPV3)
30 #define have_neon(flags) CPUEXT(flags, NEON)
31
32 /* some functions use the VFPv2 vector mode which is deprecated in ARMv7-A
33 * and might trap on such CPU depending on the OS configuration */
34 #define have_vfp_vm(flags) \
35 (HAVE_VFP && ((flags) & AV_CPU_FLAG_VFP_VM))
36
37 /* Some functions use the 'setend' instruction which is deprecated on ARMv8
38 * and serializing on some ARMv7 cores. This macro ensures such functions
39 * are only enabled on ARMv6. */
40 #define have_setend(flags) \
41 (have_armv6(flags) && !(have_vfpv3(flags) || have_neon(flags)))
42
43 #endif /* AVUTIL_ARM_CPU_H */