cpu: split flag checks per arch in av_cpu_max_align()
[libav.git] / libavutil / cpu_internal.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_CPU_INTERNAL_H
20 #define AVUTIL_CPU_INTERNAL_H
21
22 #include "cpu.h"
23
24 #define CPUEXT_SUFFIX(flags, suffix, cpuext) \
25 (HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext))
26
27 #define CPUEXT_SUFFIX_FAST(flags, suffix, cpuext) \
28 (HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext) && \
29 !((flags) & AV_CPU_FLAG_ ## cpuext ## SLOW))
30
31 #define CPUEXT_SUFFIX_SLOW(flags, suffix, cpuext) \
32 (HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext) && \
33 ((flags) & AV_CPU_FLAG_ ## cpuext ## SLOW))
34
35 #define CPUEXT(flags, cpuext) CPUEXT_SUFFIX(flags, , cpuext)
36 #define CPUEXT_FAST(flags, cpuext) CPUEXT_SUFFIX_FAST(flags, , cpuext)
37 #define CPUEXT_SLOW(flags, cpuext) CPUEXT_SUFFIX_SLOW(flags, , cpuext)
38
39 int ff_get_cpu_flags_aarch64(void);
40 int ff_get_cpu_flags_arm(void);
41 int ff_get_cpu_flags_ppc(void);
42 int ff_get_cpu_flags_x86(void);
43
44 size_t ff_get_cpu_max_align_aarch64(void);
45 size_t ff_get_cpu_max_align_arm(void);
46 size_t ff_get_cpu_max_align_ppc(void);
47 size_t ff_get_cpu_max_align_x86(void);
48
49 #endif /* AVUTIL_CPU_INTERNAL_H */