Function qcode_jit_sdiv128 

pub unsafe extern "C" fn qcode_jit_sdiv128(
    a_low: u64,
    a_high: u64,
    b_low: u64,
    b_high: u64,
    out: *mut u64,
)

Safety

out must point to two writable, consecutive u64s, which receive the low and high halves of the result. Called only from code this crate’s JIT backend generated.