{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"\"M2.mpy.nac.hl.s1\""}]}
                    "M2.mpy.nac.hl.s1" => "__builtin_HEXAGON_M2_mpy_nac_hl_s1",
                    "M2.mpy.nac.hl.s0" => "__builtin_HEXAGON_M2_mpy_nac_hl_s0",
                    "M2.mpy.nac.lh.s0" => "__builtin_HEXAGON_M2_mpy_nac_lh_s0",