{"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"\"zoned2packed\""}]}
                    "zoned2packed" => "__builtin_ppc_zoned2packed",
                    "vsx.xxpermx" => "__builtin_vsx_xxpermx",
                    _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"),