Function _mm_dpwusd_epi32

1.89.0 · Source
pub fn _mm_dpwusd_epi32(src: __m128i, a: __m128i, b: __m128i) -> __m128i
Available on (x86 or x86-64) and target feature avxvnniint16 and x86 only.
Expand description

Multiply groups of 2 adjacent pairs of unsigned 16-bit integers in a with corresponding signed 16-bit integers in b, producing 2 intermediate signed 32-bit results. Sum these 2 results with the corresponding 32-bit integer in src, and store the packed 32-bit results in dst.

Intel’s documentation