Function _mm256_maskz_broadcastsd_pd 

pub fn _mm256_maskz_broadcastsd_pd(k: __mmask8, a: __m128d) -> __m256d

Available on x86-64 and target feature avx512f and target feature avx512vl only.

Broadcast the low double-precision (64-bit) floating-point element from a to all elements of dst using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

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