{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"\"M2.mmaculs.rs0\""}]}
                    "M2.mmaculs.rs0" => "__builtin_HEXAGON_M2_mmaculs_rs0",
                    "M2.mmacuhs.s1" => "__builtin_HEXAGON_M2_mmacuhs_s1",
                    "M2.mmaculs.rs1" => "__builtin_HEXAGON_M2_mmaculs_rs1",