Function _mm_cmp_ph_mask

#[target_feature(enable = "avx512fp16", enable = "avx512vl")]
pub fn _mm_cmp_ph_mask(a: __m128h, b: __m128h, IMM5: i32) -> __mmask8

Compare 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.

Intel's documentation