check_cxx_source_runs("
                #include <immintrin.h>
                int main()
                {
                    __m256d a{1.,2.,3.,4.};
                    __m256d b{2.,0.,3.,5.};
                    __m256d c = _mm256_mul_pd(a,b);
                    return 0;
                } " NG_HAVE_AVX)

elseif(NG_HAVE_AVX)