Function _mm512_cmp_ph_mask
#[target_feature(enable = "avx512fp16")]
pub fn _mm512_cmp_ph_mask(a: __m512h, b: __m512h, IMM5: i32) -> __mmask32Compare packed half-precision (16-bit) floating-point elements in a and b based on the comparison operand specified by imm8, and store the results in mask vector k.