# Function core::arch::x86_64::_mm256_shldi_epi64

source ·

    pub unsafe fn _mm256_shldi_epi64(
        a: __m256i,
        b: __m256i,
        const IMM8: i32,
    ) -> __m256i

🔬This is a nightly-only experimental API. (`stdarch_x86_avx512` #111137)
Available on (x86 or x86-64) and target feature `avx512vbmi2,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).

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