Function `_mm512_maskz_cvtph_pd`

#[target_feature(enable = "avx512fp16")]
pub fn _mm512_maskz_cvtph_pd(k: __mmask8, a: __m128h) -> __m512d

Convert packed half-precision (16-bit) floating-point elements 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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