{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"\"avx512.cvtmask2b.512\""}]}
                    "avx512.cvtmask2b.512" => "__builtin_ia32_cvtmask2b512",
                    "avx512.cvtmask2b.256" => "__builtin_ia32_cvtmask2b256",
                    "avx512.cvtmask2d.128" => "__builtin_ia32_cvtmask2d128",