102 lines
3.6 KiB
C
102 lines
3.6 KiB
C
/*
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* Copyright © 2018-2022, VideoLAN and dav1d authors
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* Copyright © 2018-2022, Two Orioles, LLC
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef DAV1D_SRC_CPU_H
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#define DAV1D_SRC_CPU_H
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#include "config.h"
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#include "common/attributes.h"
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#include "dav1d/common.h"
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#include "dav1d/dav1d.h"
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#if ARCH_AARCH64 || ARCH_ARM
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#include "src/arm/cpu.h"
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#elif ARCH_PPC64LE
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#include "src/ppc/cpu.h"
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#elif ARCH_X86
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#include "src/x86/cpu.h"
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#endif
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EXTERN unsigned dav1d_cpu_flags;
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EXTERN unsigned dav1d_cpu_flags_mask;
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void dav1d_init_cpu(void);
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DAV1D_API void dav1d_set_cpu_flags_mask(unsigned mask);
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int dav1d_num_logical_processors(Dav1dContext *c);
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static ALWAYS_INLINE unsigned dav1d_get_cpu_flags(void) {
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unsigned flags = dav1d_cpu_flags & dav1d_cpu_flags_mask;
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#if TRIM_DSP_FUNCTIONS
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/* Since this function is inlined, unconditionally setting a flag here will
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* enable dead code elimination in the calling function. */
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#if ARCH_AARCH64 || ARCH_ARM
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#if defined(__ARM_NEON) || defined(__APPLE__) || defined(_WIN32) || ARCH_AARCH64
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flags |= DAV1D_ARM_CPU_FLAG_NEON;
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#endif
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#elif ARCH_PPC64LE
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#if defined(__VSX__)
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flags |= DAV1D_PPC_CPU_FLAG_VSX;
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#endif
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#elif ARCH_X86
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#if defined(__AVX512F__) && defined(__AVX512CD__) && \
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defined(__AVX512BW__) && defined(__AVX512DQ__) && \
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defined(__AVX512VL__) && defined(__AVX512VNNI__) && \
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defined(__AVX512IFMA__) && defined(__AVX512VBMI__) && \
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defined(__AVX512VBMI2__) && defined(__AVX512VPOPCNTDQ__) && \
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defined(__AVX512BITALG__) && defined(__GFNI__) && \
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defined(__VAES__) && defined(__VPCLMULQDQ__)
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flags |= DAV1D_X86_CPU_FLAG_AVX512ICL |
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DAV1D_X86_CPU_FLAG_AVX2 |
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DAV1D_X86_CPU_FLAG_SSE41 |
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DAV1D_X86_CPU_FLAG_SSSE3 |
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DAV1D_X86_CPU_FLAG_SSE2;
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#elif defined(__AVX2__)
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flags |= DAV1D_X86_CPU_FLAG_AVX2 |
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DAV1D_X86_CPU_FLAG_SSE41 |
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DAV1D_X86_CPU_FLAG_SSSE3 |
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DAV1D_X86_CPU_FLAG_SSE2;
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#elif defined(__SSE4_1__) || defined(__AVX__)
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flags |= DAV1D_X86_CPU_FLAG_SSE41 |
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DAV1D_X86_CPU_FLAG_SSSE3 |
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DAV1D_X86_CPU_FLAG_SSE2;
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#elif defined(__SSSE3__)
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flags |= DAV1D_X86_CPU_FLAG_SSSE3 |
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DAV1D_X86_CPU_FLAG_SSE2;
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#elif ARCH_X86_64 || defined(__SSE2__) || \
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(defined(_M_IX86_FP) && _M_IX86_FP >= 2)
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flags |= DAV1D_X86_CPU_FLAG_SSE2;
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#endif
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#endif
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#endif
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return flags;
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}
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#endif /* DAV1D_SRC_CPU_H */
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