{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"\"avx512.cvttsd2si\""}]}
                    "avx512.cvttsd2si" => "__builtin_ia32_vcvttsd2si32",
                    "avx512.cvtss2usi64" => "__builtin_ia32_cvtss2usi64",
                    "avx512.cvttsd2si64" => "__builtin_ia32_vcvttsd2si64",