{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"\"avx512.mask.prorv.d.512\""}]}
                    "avx512.mask.prorv.d.512" => "__builtin_ia32_prorvd512_mask",
                    "avx512.mask.prorv.d.256" => "__builtin_ia32_prorvd256_mask",
                    "avx512.mask.prorv.q.128" => "__builtin_ia32_prorvq128_mask",