# Function core::arch::x86_64::_mm_mask_cmp_sd_mask

source · [−]

    pub unsafe fn _mm_mask_cmp_sd_mask(
        k1: __mmask8,
        a: __m128d,
        b: __m128d,
        const IMM8: i32
    ) -> __mmask8

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

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