{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"\"M2.mmachs.rs0\""}]}
                    "M2.mmachs.rs0" => "__builtin_HEXAGON_M2_mmachs_rs0",
                    "M2.macsip" => "__builtin_HEXAGON_M2_macsip",
                    "M2.mmachs.rs1" => "__builtin_HEXAGON_M2_mmachs_rs1",