* Multiplication ***************************/ non-saturated
| 54 | ***************************/ |
| 55 | // non-saturated |
| 56 | NPY_FINLINE __m128i npyv_mul_u8(__m128i a, __m128i b) |
| 57 | { |
| 58 | const __m128i mask = _mm_set1_epi32(0xFF00FF00); |
| 59 | __m128i even = _mm_mullo_epi16(a, b); |
| 60 | __m128i odd = _mm_mullo_epi16(_mm_srai_epi16(a, 8), _mm_srai_epi16(b, 8)); |
| 61 | odd = _mm_slli_epi16(odd, 8); |
| 62 | return npyv_select_u8(mask, odd, even); |
| 63 | } |
| 64 | #define npyv_mul_s8 npyv_mul_u8 |
| 65 | #define npyv_mul_u16 _mm_mullo_epi16 |
| 66 | #define npyv_mul_s16 _mm_mullo_epi16 |
nothing calls this directly
no test coverage detected