Function _mm512_mask_max_ph

#[target_feature(enable = "avx512fp16")]
pub fn _mm512_mask_max_ph(src: __m512h, k: __mmask32, a: __m512h, b: __m512h) -> __m512h

Compare packed half-precision (16-bit) floating-point elements in a and b, and store packed maximum values in dst using writemask k (elements are copied from src when the corresponding mask bit is not set). Does not follow the IEEE Standard for Floating-Point Arithmetic (IEEE 754) maximum value when inputs are NaN or signed-zero values.

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