no_std_compat::arch::x86

Function _mm_dpbsud_epi32

Source
pub unsafe fn _mm_dpbsud_epi32(src: __m128i, a: __m128i, b: __m128i) -> __m128i
🔬This is a nightly-only experimental API. (stdarch_x86_avx512)
Available on x86 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.

Intel’s documentation