core::arch::x86_64

Function _mm_dpbusd_avx_epi32

source 
pub unsafe fn _mm_dpbusd_avx_epi32(
    src: __m128i,
    a: __m128i,
    b: __m128i,
) -> __m128i
🔬This is a nightly-only experimental API. (stdarch_x86_avx512 #111137)
Available on (x86 or x86-64) and target feature avxvnni and x86-64 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.

Intel’s documentation