Function _mm256_broadcastmb_epi64

pub unsafe fn _mm256_broadcastmb_epi64(k: __mmask8) -> __m256i

🔬This is a nightly-only experimental API. (stdarch_x86_avx512 #111137)

Available on (x86 or x86-64) and target feature avx512cd,avx512vl and x86 only.

Broadcast the low 8-bits from input mask k to all 64-bit elements of dst.

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