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| /** | |
| * The following intrinsics don't have direct native support but compilers | |
| * tend to emulate them. | |
| * They're usually supported by gcc >= 7.1, clang >= 4 and icc >= 19 | |
| */ | |
| int main(void) | |
| { | |
| __m512 one_ps = _mm512_set1_ps(1.0f); | |
| __m512d one_pd = _mm512_set1_pd(1.0); | |
| __m512i one_i64 = _mm512_set1_epi64(1); | |
| // add | |
| float sum_ps = _mm512_reduce_add_ps(one_ps); | |
| double sum_pd = _mm512_reduce_add_pd(one_pd); | |
| int sum_int = (int)_mm512_reduce_add_epi64(one_i64); | |
| sum_int += (int)_mm512_reduce_add_epi32(one_i64); | |
| // mul | |
| sum_ps += _mm512_reduce_mul_ps(one_ps); | |
| sum_pd += _mm512_reduce_mul_pd(one_pd); | |
| sum_int += (int)_mm512_reduce_mul_epi64(one_i64); | |
| sum_int += (int)_mm512_reduce_mul_epi32(one_i64); | |
| // min | |
| sum_ps += _mm512_reduce_min_ps(one_ps); | |
| sum_pd += _mm512_reduce_min_pd(one_pd); | |
| sum_int += (int)_mm512_reduce_min_epi32(one_i64); | |
| sum_int += (int)_mm512_reduce_min_epu32(one_i64); | |
| sum_int += (int)_mm512_reduce_min_epi64(one_i64); | |
| // max | |
| sum_ps += _mm512_reduce_max_ps(one_ps); | |
| sum_pd += _mm512_reduce_max_pd(one_pd); | |
| sum_int += (int)_mm512_reduce_max_epi32(one_i64); | |
| sum_int += (int)_mm512_reduce_max_epu32(one_i64); | |
| sum_int += (int)_mm512_reduce_max_epi64(one_i64); | |
| // and | |
| sum_int += (int)_mm512_reduce_and_epi32(one_i64); | |
| sum_int += (int)_mm512_reduce_and_epi64(one_i64); | |
| // or | |
| sum_int += (int)_mm512_reduce_or_epi32(one_i64); | |
| sum_int += (int)_mm512_reduce_or_epi64(one_i64); | |
| return (int)sum_ps + (int)sum_pd + sum_int; | |
| } | |