{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"\"sse2.pavg.b\""}]}
                    "sse2.pavg.b" => "__builtin_ia32_pavgb128",
                    "sse2.pause" => "__builtin_ia32_pause",
                    "sse2.pavg.w" => "__builtin_ia32_pavgw128",