{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"\"unpack.longdouble\""}]}
                    "unpack.longdouble" => "__builtin_unpack_longdouble",
                    "tw" => "__builtin_ppc_tw",
                    "vsx.xsmaxdp" => "__builtin_vsx_xsmaxdp",