simd_intrinsics.hpp

// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
 
#ifndef OPENCV_CORE_SIMD_INTRINSICS_HPP
#define OPENCV_CORE_SIMD_INTRINSICS_HPP
 
#ifdef __OPENCV_BUILD
#error "Use core/hal/intrin.hpp during OpenCV build"
#endif
 
#ifdef OPENCV_HAL_INTRIN_HPP
#error "core/simd_intrinsics.hpp must be included before core/hal/intrin.hpp"
#endif
 
#include "opencv2/core/cvdef.h"
 
#ifdef OPENCV_SIMD_CONFIG_HEADER
#include CVAUX_STR(OPENCV_SIMD_CONFIG_HEADER)
#elif defined(OPENCV_SIMD_CONFIG_INCLUDE_DIR)
#include "opencv_simd_config.hpp"  // corresponding directory should be added via -I compiler parameter
#else  // custom config headers
 
#if (!defined(CV_AVX_512F) || !CV_AVX_512F) && (defined(__AVX512__) || defined(__AVX512F__))
#  include <immintrin.h>
#  undef CV_AVX_512F
#  define CV_AVX_512F 1
#  ifndef OPENCV_SIMD_DONT_ASSUME_SKX  // Skylake-X with AVX-512F/CD/BW/DQ/VL
#    undef CV_AVX512_SKX
#    define CV_AVX512_SKX 1
#    undef CV_AVX_512CD
#    define CV_AVX_512CD 1
#    undef CV_AVX_512BW
#    define CV_AVX_512BW 1
#    undef CV_AVX_512DQ
#    define CV_AVX_512DQ 1
#    undef CV_AVX_512VL
#    define CV_AVX_512VL 1
#  endif
#endif // AVX512
 
// GCC/Clang: -mavx2
// MSVC: /arch:AVX2
#if defined __AVX2__
#  include <immintrin.h>
#  undef CV_AVX2
#  define CV_AVX2 1
#  if defined __F16C__
#    undef CV_FP16
#    define CV_FP16 1
#  endif
#endif
 
#endif
 
// SSE / NEON / VSX is handled by cv_cpu_dispatch.h compatibility block
#include "cv_cpu_dispatch.h"
 
#include "hal/intrin.hpp"
 
#endif // OPENCV_CORE_SIMD_INTRINSICS_HPP