pub unsafe fn _mm512_cmp_ps_mask(
    a: __m512,
    b: __m512,
    const IMM8: i32
) -> __mmask16
🔬This is a nightly-only experimental API. (stdsimd #48556)
Available on (x86 or x86-64) and target feature avx512f and x86-64 only.
Expand description

Compare packed single-precision (32-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