pub unsafe fn _mm_cmp_round_sd_mask(
    a: __m128d, 
    b: __m128d, 
    const IMM5: i32, 
    const SAE: i32
) -> __mmask8Available on x86-64 and target feature 
avx512f only.Expand description
Compare the lower double-precision (64-bit) floating-point element in a and b based on the comparison operand specified by imm8, and store the result in mask vector k.
Exceptions can be suppressed by passing _MM_FROUND_NO_EXC in the sae parameter.