cpu: split flag checks per arch in av_cpu_max_align()
[libav.git] / libavutil / cpu_internal.h
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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
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22#include "cpu.h"
23
24#define CPUEXT_SUFFIX(flags, suffix, cpuext) \
25 (HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext))
26
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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
8410d6e9 35#define CPUEXT(flags, cpuext) CPUEXT_SUFFIX(flags, , cpuext)
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36#define CPUEXT_FAST(flags, cpuext) CPUEXT_SUFFIX_FAST(flags, , cpuext)
37#define CPUEXT_SLOW(flags, cpuext) CPUEXT_SUFFIX_SLOW(flags, , cpuext)
8410d6e9 38
b7b17ed6 39int ff_get_cpu_flags_aarch64(void);
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40int ff_get_cpu_flags_arm(void);
41int ff_get_cpu_flags_ppc(void);
42int ff_get_cpu_flags_x86(void);
43
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44size_t ff_get_cpu_max_align_aarch64(void);
45size_t ff_get_cpu_max_align_arm(void);
46size_t ff_get_cpu_max_align_ppc(void);
47size_t ff_get_cpu_max_align_x86(void);
48
b78b10c4 49#endif /* AVUTIL_CPU_INTERNAL_H */