Function _mm512_mask_cvtepu16_ph 

pub fn _mm512_mask_cvtepu16_ph(
    src: __m512h,
    k: __mmask32,
    a: __m512i,
) -> __m512h

Available on x86 and target feature avx512fp16 only.

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

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