# Function core::arch::x86::_mm512_mask_srai_epi64

source ·

    pub unsafe fn _mm512_mask_srai_epi64(
        src: __m512i,
        k: __mmask8,
        a: __m512i,
        const IMM8: u32
    ) -> __m512i

🔬This is a nightly-only experimental API. (`stdsimd` #48556)
Available on (x86 or x86-64) and target feature `avx512f` only.
Expand description

Shift packed 64-bit integers in a right by imm8 while shifting in sign bits, and store the results in dst using writemask k (elements are copied from src when the corresponding mask bit is not set).

Intel’s documentation