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Merge pull request #20960 from alalek:fix_icc_support_3.4

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Alexander Alekhin 2021-10-28 13:54:07 +00:00
commit 770d3eabc0
2 changed files with 3 additions and 1 deletions
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2
cmake/OpenCVCompilerOptimizations.cmake
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@ -238,7 +238,7 @@ if(X86 OR X86_64)
ocv_intel_compiler_optimization_option(FP16 "-mavx" "/arch:AVX")
ocv_intel_compiler_optimization_option(AVX "-mavx" "/arch:AVX")
ocv_intel_compiler_optimization_option(FMA3 "" "")
ocv_intel_compiler_optimization_option(POPCNT "" "")
ocv_intel_compiler_optimization_option(POPCNT "-mpopcnt" "") # -mpopcnt is available since ICC 19.0.0
ocv_intel_compiler_optimization_option(SSE4_2 "-msse4.2" "/arch:SSE4.2")
ocv_intel_compiler_optimization_option(SSE4_1 "-msse4.1" "/arch:SSE4.1")
ocv_intel_compiler_optimization_option(SSE3 "-msse3" "/arch:SSE3")

2
modules/core/include/opencv2/core/cvdef.h
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@ -589,6 +589,8 @@ Cv64suf;
# elif __cplusplus >= 201703L
// available when compiler is C++17 compliant
# define CV_NODISCARD_STD [[nodiscard]]
# elif defined(__INTEL_COMPILER)
// see above, available when C++17 is enabled
# elif defined(_MSC_VER) && _MSC_VER >= 1911 && _MSVC_LANG >= 201703L
// available with VS2017 v15.3+ with /std:c++17 or higher; works on functions and classes
# define CV_NODISCARD_STD [[nodiscard]]