_mm_dpwssd_epi32 in core::arch::x86_64 - Rust
Description: Multiply groups of 2 adjacent pairs of signed 16-bit integers in a with corresponding 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.

## _mm_dpwssd_epi32

# Function _mm_dpwssd_epi32

1.89.0 · Source

    pub fn _mm_dpwssd_epi32(src: __m128i, a: __m128i, b: __m128i) -> __m128i

Available on x86-64 and target feature `avx512vnni` and target feature `avx512vl` only.
Expand description

Multiply groups of 2 adjacent pairs of signed 16-bit integers in a with corresponding 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