Function _mm_cmp_ss_mask
#[target_feature(enable = "avx512f")]
pub fn _mm_cmp_ss_mask(a: __m128, b: __m128, IMM8: i32) -> __mmask8Compare the lower single-precision (32-bit) floating-point element in a and b based on the comparison operand specified by imm8, and store the result in mask vector k.