{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"\"M2.mmachs.s0\""}]}
                    "M2.mmachs.s0" => "__builtin_HEXAGON_M2_mmachs_s0",
                    "M2.mmachs.rs1" => "__builtin_HEXAGON_M2_mmachs_rs1",
                    "M2.mmachs.s1" => "__builtin_HEXAGON_M2_mmachs_s1",