{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"\"__builtin_ia32_vfmaddss3_round\""}]}
        "__builtin_ia32_vfmaddss3_round" | "__builtin_ia32_vfmaddsd3_round" => return true,
        // NOTE: the LLVM intrinsic receives 3 floats, but the GCC builtin requires 3 vectors.
        "__builtin_ia32_vplzcntd_512_mask"