{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"\"altivec.vextsb2d\""}]}
                    "altivec.vextsb2d" => "__builtin_altivec_vextsb2d",
                    "altivec.vextractwm" => "__builtin_altivec_vextractwm",
                    "altivec.vextsb2w" => "__builtin_altivec_vextsb2w",