Method u64_bswap64

cranelift/codegen/src/opts.rs:339–341

(&mut self, n: u64)

    }

    fn u64_bswap64(&mut self, n: u64) -> u64 {
        n.swap_bytes()
    }

    fn ieee128_constant_extractor(&mut self, n: Constant) -> Option<Ieee128> {
        self.ctx.func.dfg.constants.get(n).try_into().ok()