# Function _mm_mask_cmp_ss_mask

Source

    pub fn _mm_mask_cmp_ss_mask(
        k1: __mmask8,
        a: __m128,
        b: __m128,
        const IMM8: i32,
    ) -> __mmask8

🔬This is a nightly-only experimental API. (`stdarch_x86_avx512` #111137)
Available on (x86 or x86-64) and target feature `avx512f` and x86 only.
Expand description

Compare 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 using zeromask k1 (the element is zeroed out when mask bit 0 is not set).

Intel’s documentation