42 lines
1.6 KiB
C
42 lines
1.6 KiB
C
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#include <immintrin.h>
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/**
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* The following intrinsics don't have direct native support but compilers
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* tend to emulate them.
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* They're usually supported by gcc >= 7.1, clang >= 4 and icc >= 19
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*/
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int main(void)
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{
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__m512 one_ps = _mm512_set1_ps(1.0f);
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__m512d one_pd = _mm512_set1_pd(1.0);
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__m512i one_i64 = _mm512_set1_epi64(1.0);
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// add
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float sum_ps = _mm512_reduce_add_ps(one_ps);
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double sum_pd = _mm512_reduce_add_pd(one_pd);
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int sum_int = (int)_mm512_reduce_add_epi64(one_i64);
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sum_int += (int)_mm512_reduce_add_epi32(one_i64);
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// mul
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sum_ps += _mm512_reduce_mul_ps(one_ps);
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sum_pd += _mm512_reduce_mul_pd(one_pd);
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sum_int += (int)_mm512_reduce_mul_epi64(one_i64);
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sum_int += (int)_mm512_reduce_mul_epi32(one_i64);
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// min
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sum_ps += _mm512_reduce_min_ps(one_ps);
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sum_pd += _mm512_reduce_min_pd(one_pd);
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sum_int += (int)_mm512_reduce_min_epi32(one_i64);
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sum_int += (int)_mm512_reduce_min_epu32(one_i64);
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sum_int += (int)_mm512_reduce_min_epi64(one_i64);
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// max
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sum_ps += _mm512_reduce_max_ps(one_ps);
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sum_pd += _mm512_reduce_max_pd(one_pd);
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sum_int += (int)_mm512_reduce_max_epi32(one_i64);
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sum_int += (int)_mm512_reduce_max_epu32(one_i64);
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sum_int += (int)_mm512_reduce_max_epi64(one_i64);
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// and
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sum_int += (int)_mm512_reduce_and_epi32(one_i64);
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sum_int += (int)_mm512_reduce_and_epi64(one_i64);
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// or
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sum_int += (int)_mm512_reduce_or_epi32(one_i64);
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sum_int += (int)_mm512_reduce_or_epi64(one_i64);
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return (int)sum_ps + (int)sum_pd + sum_int;
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}
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