{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"\"asub.u.b\""}]}
                    "asub.u.b" => "__builtin_msa_asub_u_b",
                    "asub.s.w" => "__builtin_msa_asub_s_w",
                    "asub.u.d" => "__builtin_msa_asub_u_d",