{"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"\"avx512.mask.pmovsxb.d.256\""}]}
                    "avx512.mask.pmovsxb.d.256" => "__builtin_ia32_pmovsxbd256_mask",
                    "avx512.mask.pmovsxb.d.128" => "__builtin_ia32_pmovsxbd128_mask",
                    "avx512.mask.pmovsxb.d.512" => "__builtin_ia32_pmovsxbd512_mask",