## _mm_mask_max_epi64

# Function _mm_mask_max_epi64

1.89.0 (const: unstable) · Source

    pub fn _mm_mask_max_epi64(
        src: __m128i,
        k: __mmask8,
        a: __m128i,
        b: __m128i,
    ) -> __m128i

Available on x86-64 and target feature `avx512f` and target feature `avx512vl` only.
Expand description

Compare packed signed 64-bit integers in a and b, and store packed maximum values in dst using writemask k (elements are copied from src when the corresponding mask bit is not set).

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