## _mm_dpbusd_epi32

# Function _mm_dpbusd_epi32

1.89.0 · Source

    pub fn _mm_dpbusd_epi32(src: __m128i, a: __m128i, b: __m128i) -> __m128i

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

Multiply groups of 4 adjacent pairs of unsigned 8-bit integers in a with corresponding signed 8-bit integers in b, producing 4 intermediate signed 16-bit results. Sum these 4 results with the corresponding 32-bit integer in src, and store the packed 32-bit results in dst.

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