pub unsafe fn _mm256_cmp_pd_mask(
    a: __m256d,
    b: __m256d,
    const IMM8: i32
) -> __mmask8
🔬 This is a nightly-only experimental API. (stdsimd #48556)
Available on x86-64 and target feature avx512f,avx512vl only.
Expand description

Compare packed double-precision (64-bit) floating-point elements in a and b based on the comparison operand specified by imm8, and store the results in mask vector k.

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