diff options
Diffstat (limited to 'third_party/dav1d/src/x86/cpu.h')
| -rw-r--r-- | third_party/dav1d/src/x86/cpu.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/third_party/dav1d/src/x86/cpu.h b/third_party/dav1d/src/x86/cpu.h new file mode 100644 index 0000000000..8529c77c9b --- /dev/null +++ b/third_party/dav1d/src/x86/cpu.h @@ -0,0 +1,44 @@ +/* + * Copyright © 2018, VideoLAN and dav1d authors + * Copyright © 2018, Two Orioles, LLC + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef DAV1D_SRC_X86_CPU_H +#define DAV1D_SRC_X86_CPU_H + +enum CpuFlags { + DAV1D_X86_CPU_FLAG_SSE2 = 1 << 0, + DAV1D_X86_CPU_FLAG_SSSE3 = 1 << 1, + DAV1D_X86_CPU_FLAG_SSE41 = 1 << 2, + DAV1D_X86_CPU_FLAG_AVX2 = 1 << 3, + DAV1D_X86_CPU_FLAG_AVX512ICL = 1 << 4, /* F/CD/BW/DQ/VL/VNNI/IFMA/VBMI/VBMI2/ + * VPOPCNTDQ/BITALG/GFNI/VAES/VPCLMULQDQ */ + DAV1D_X86_CPU_FLAG_SLOW_GATHER = 1 << 5, /* Flag CPUs where gather instructions are slow enough + * to cause performance regressions. */ +}; + +unsigned dav1d_get_cpu_flags_x86(void); + +#endif /* DAV1D_SRC_X86_CPU_H */ |