{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"Immediate::Scalar(r)"}]}
                    Immediate::Scalar(r) => (r.to_bits(size)?, 0),
                let right = match **right {
                    Immediate::ScalarPair(r1, r2) => (r1.to_bits(size)?, r2.to_bits(size)?),