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## _mm_mask_shrdi_epi64

# Function _mm_mask_shrdi_epi64

1.89.0 (const: unstable) · Source

    pub fn _mm_mask_shrdi_epi64(
        src: __m128i,
        k: __mmask8,
        a: __m128i,
        b: __m128i,
        const IMM8: i32,
    ) -> __m128i

Available on x86-64 and target feature `avx512vbmi2` and target feature `avx512vl` and (x86 or x86-64) only.
Expand description

Concatenate packed 64-bit integers in b and a producing an intermediate 128-bit result. Shift the result right by imm8 bits, and store the lower 64-bits in dst using writemask k (elements are copied from src“ when the corresponding mask bit is not set).

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