Function _mm256_maskz_cvtepi32_pd 

pub fn _mm256_maskz_cvtepi32_pd(k: u8, a: __m128i) -> __m256d

Convert packed signed 32-bit integers in a to packed double-precision (64-bit) floating-point elements, and store the results in dst using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

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