opencv

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#if defined __AVX512__ || defined __AVX512F__
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#include <immintrin.h>
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// Workaround for problem with GCC 5-6 in -O0 mode
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struct v_uint32x16
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{
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    __m512i val;
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    explicit v_uint32x16(__m512i v) : val(v) {}
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};
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inline v_uint32x16 operator << (const v_uint32x16& a, int imm)
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{
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    return v_uint32x16(_mm512_slli_epi32(a.val, imm));
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}
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void test()
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{
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    __m512i zmm = _mm512_setzero_si512();
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    __m256i a = _mm256_setzero_si256();
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    __m256i b = _mm256_abs_epi64(a); // VL
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    __m512i c = _mm512_abs_epi8(zmm); // BW
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    __m512i d = _mm512_broadcast_i32x8(b); // DQ
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    v_uint32x16 e(d); e = e << 10;
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    __m512i f = _mm512_packus_epi32(d,d);
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#if defined __GNUC__ && defined __x86_64__
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    asm volatile ("" : : : "zmm16", "zmm17", "zmm18", "zmm19");
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#endif
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}
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#else
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#error "AVX512-SKX is not supported"
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#endif
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int main() { return 0; }
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