25 lines
505 B
CMake
25 lines
505 B
CMake
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macro(check_avx)
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include(CheckCXXSourceCompiles)
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set(CMAKE_REQUIRED_FLAGS "-Wall -Werror -Wpedantic -std=c++17 -mavx")
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check_cxx_source_compiles("
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#include <immintrin.h>
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#include <iostream>
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int main()
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{
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const double a[4] = { 0,0,0,0 };
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const double b[4] = { 0,0,0,0 };
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double o[4] = { 0,0,0,0 };
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__m256d av = _mm256_load_pd(a);
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__m256d bv = _mm256_load_pd(b);
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__m256d ov = _mm256_add_pd(av, bv);
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_mm256_store_pd(o, ov);
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std::cout << o[0] << std::endl;
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return 0;
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}
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"
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AVX_AVAIL
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)
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endmacro()
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