pub unsafe fn _mm512_srav_epi64(a: __m512i, count: __m512i) -> __m512i
🔬This is a nightly-only experimental API. (stdsimd #48556)
Available on (x86 or x86-64) and target feature avx512f and x86 only.
Expand description

Shift packed 64-bit integers in a right by the amount specified by the corresponding element in count while shifting in sign bits, and store the results in dst.

Intel’s documentation