{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"\"copy.s.w\""}]}
                    "copy.s.w" => "__builtin_msa_copy_s_w",
                    "copy.s.h" => "__builtin_msa_copy_s_h",
                    "copy.u.b" => "__builtin_msa_copy_u_b",