pub unsafe fn _mm256_aesdeclast_epi128(
    a: __m256i,
    round_key: __m256i
) -> __m256i
🔬 This is a nightly-only experimental API. (stdsimd)
This is supported on x86-64 and target feature avx512vaes,avx512vl only.
Expand description

Performs the last round of an AES decryption flow on each 128-bit word (state) in a using the corresponding 128-bit word (key) in round_key.

Intel’s documentation