{"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"\"avx512.mask.expand.ps.128\""}]}
                    "avx512.mask.expand.ps.128" => "__builtin_ia32_expandsf128_mask",
                    "avx512.mask.expand.pd.512" => "__builtin_ia32_expanddf512_mask",
                    "avx512.mask.expand.ps.256" => "__builtin_ia32_expandsf256_mask",