Function llvmint::x86::avx512_mask_psrav_q_256

pub unsafe extern "C" fn avx512_mask_psrav_q_256(
    a: i64x4, 
    b: i64x4, 
    c: i64x4, 
    d: i8
) -> i64x4

The llvm.x86.avx512.mask.psrav.q.256 intrinsic; known as __builtin_ia32_psravq256_mask in GCC.