Function core::arch::x86::_mm_gf2p8mul_epi8

pub unsafe fn _mm_gf2p8mul_epi8(a: __m128i, b: __m128i) -> __m128i

🔬 This is a nightly-only experimental API. (stdsimd #48556)

Available on x86 and target feature avx512gfni,avx512bw,avx512vl only.

Performs a multiplication in GF(2^8) on the packed bytes. The field is in polynomial representation with the reduction polynomial x^8 + x^4 + x^3 + x + 1.

Intel’s documentation