## _mm_maskz_shldi_epi64

# Function _mm_maskz_shldi_epi64

1.89.0 · Source

    pub fn _mm_maskz_shldi_epi64(
        k: __mmask8,
        a: __m128i,
        b: __m128i,
        const IMM8: i32,
    ) -> __m128i

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

Concatenate packed 64-bit integers in a and b producing an intermediate 128-bit result. Shift the result left by imm8 bits, and store the upper 64-bits in dst using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

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