# Function core::arch::x86::_mm_mask_sra_epi64

source ·

    pub unsafe fn _mm_mask_sra_epi64(
        src: __m128i,
        k: __mmask8,
        a: __m128i,
        count: __m128i
    ) -> __m128i

🔬This is a nightly-only experimental API. (`stdsimd` #48556)
Available on (x86 or x86-64) and target feature `avx512f,avx512vl` only.
Expand description

Shift packed 64-bit integers in a right by count 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