opencv/cmake/checks/cpu_avx512cnl.cpp

#if defined __AVX512__ || defined __AVX512F__
#include <immintrin.h>
void test()
{
    __m512i a, b, c;
    a = _mm512_madd52hi_epu64(a, b, c);
    a = _mm512_permutexvar_epi8(a, b);
}
#else
#error "AVX512-CNL is not supported"
#endif
int main() { return 0; }
Merge pull request #14007 from seiko2plus:core_avx512_infa * core: improve AVX512 infrastructure by adding more CPU features groups * cmake: use groups for AVX512 optimization flags * core: remove gap in CPU flags enumeration * cmake: restore default CPU_DISPATCH 6 years ago			`#if defined __AVX512__ \|\| defined __AVX512F__`
			`#include <immintrin.h>`
			`void test()`
			`{`
			`__m512i a, b, c;`
			`a = _mm512_madd52hi_epu64(a, b, c);`
			`a = _mm512_permutexvar_epi8(a, b);`
			`}`
			`#else`
			`#error "AVX512-CNL is not supported"`
			`#endif`
			`int main() { return 0; }`