{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"\"avx512.mask.vpermilvar.pd.256\""}]}
                    "avx512.mask.vpermilvar.pd.256" => "__builtin_ia32_vpermilvarpd256_mask",
                    "avx512.mask.vpermilvar.pd.128" => "__builtin_ia32_vpermilvarpd_mask",
                    "avx512.mask.vpermilvar.pd.512" => "__builtin_ia32_vpermilvarpd512_mask",