Function _mm256_sha512msg1_epi64 

pub fn _mm256_sha512msg1_epi64(a: __m256i, b: __m128i) -> __m256i

Available on x86 and target feature sha512 and target feature avx only.

This intrinsic is one of the two SHA512 message scheduling instructions. The intrinsic performs an intermediate calculation for the next four SHA512 message qwords. The calculated results are stored in dst.

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