$ gcc --version
gcc (Ubuntu 5.4.0-6kord1~16.04.4k2) 5.4.0 20160609
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
kylin@kylinloongson:~$ uname -a
Linux kylinloongson 4.4.131-20200324.kylin.desktop-generic #kylin SMP PREEMPT Tue Mar 24 19:50:18 CST 2020 mips64 mips64 mips64 GNU/Linux