_mm256_dpbsud_epi32 in core::arch::x86_64 - Rust
Description: Multiply groups of 4 adjacent pairs of signed 8-bit integers in a with corresponding unsigned 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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## _mm256_dpbsud_epi32

# Function _mm256_dpbsud_epi32

1.89.0 · Source

    pub fn _mm256_dpbsud_epi32(src: __m256i, a: __m256i, b: __m256i) -> __m256i

Available on x86-64 and target feature `avxvnniint8` only.
Expand description

Multiply groups of 4 adjacent pairs of signed 8-bit integers in a with corresponding unsigned 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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