{"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"\"avx512.mask.pmovsxb.w.256\""}]}
                    "avx512.mask.pmovsxb.w.256" => "__builtin_ia32_pmovsxbw256_mask",
                    "avx512.mask.pmovsxb.w.128" => "__builtin_ia32_pmovsxbw128_mask",
                    "avx512.mask.pmovsxb.w.512" => "__builtin_ia32_pmovsxbw512_mask",