Function _mm_maskz_fmsubadd_ph
#[target_feature(enable = "avx512fp16", enable = "avx512vl")]
pub const fn _mm_maskz_fmsubadd_ph(k: __mmask8, a: __m128h, b: __m128h, c: __m128h) -> __m128hMultiply packed half-precision (16-bit) floating-point elements in a and b, alternatively subtract and add packed elements in c to/from the intermediate result, and store the results in dst using zeromask k (the element is zeroed out when the corresponding mask bit is not set).