# Function _mm512_mask_cmpeq_pd_mask

1.89.0 · Source

    pub fn _mm512_mask_cmpeq_pd_mask(
        k1: __mmask8,
        a: __m512d,
        b: __m512d,
    ) -> __mmask8

Available on (x86 or x86-64) and target feature `avx512f` and x86 only.
Expand description

Compare packed double-precision (64-bit) floating-point elements in a and b for equality, and store the results in mask vector k using zeromask k1 (elements are zeroed out when the corresponding mask bit is not set).

Intel’s documentation