pub fn _mm256_sha512msg2_epi64(a: __m256i, b: __m256i) -> __m256iAvailable on x86 and target feature 
sha512 and target feature avx only.Expand description
This intrinsic is one of the two SHA512 message scheduling instructions. The intrinsic performs the final calculation for the next four SHA512 message qwords. The calculated results are stored in dst.