{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"\"d2f.rz\""}]}
                    "d2f.rz" => "__nvvm_d2f_rz",
                    "d2f.rp.ftz" => "__nvvm_d2f_rp_ftz",
                    "d2f.rz.ftz" => "__nvvm_d2f_rz_ftz",