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Kaido Kert612c0202020-01-22 10:28:42 -08001/*
2 * Copyright © 2018, VideoLAN and dav1d authors
3 * Copyright © 2018, Two Orioles, LLC
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice, this
10 * list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef DAV1D_SRC_X86_CPU_H
29#define DAV1D_SRC_X86_CPU_H
30
31enum CpuFlags {
Kaido Kert788710a2023-06-05 07:50:22 -070032 DAV1D_X86_CPU_FLAG_SSE2 = 1 << 0,
33 DAV1D_X86_CPU_FLAG_SSSE3 = 1 << 1,
34 DAV1D_X86_CPU_FLAG_SSE41 = 1 << 2,
35 DAV1D_X86_CPU_FLAG_AVX2 = 1 << 3,
36 DAV1D_X86_CPU_FLAG_AVX512ICL = 1 << 4, /* F/CD/BW/DQ/VL/VNNI/IFMA/VBMI/VBMI2/
37 * VPOPCNTDQ/BITALG/GFNI/VAES/VPCLMULQDQ */
38 DAV1D_X86_CPU_FLAG_SLOW_GATHER = 1 << 5, /* Flag CPUs where gather instructions are slow enough
39 * to cause performance regressions. */
Kaido Kert612c0202020-01-22 10:28:42 -080040};
41
42unsigned dav1d_get_cpu_flags_x86(void);
43
44#endif /* DAV1D_SRC_X86_CPU_H */