Function _mm256_mask_cvtph_epi64

#[target_feature(enable = "avx512fp16", enable = "avx512vl")]
pub fn _mm256_mask_cvtph_epi64(src: __m256i, k: __mmask8, a: __m128h) -> __m256i

Convert packed half-precision (16-bit) floating-point elements in a to packed 64-bit integers, and store the results in dst using writemask k (elements are copied from src when the corresponding mask bit is not set).

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