When a new processor appears, its success depends on a version of GCC that will support it (a backend that can generate code for it).
当一种新的处理器出现时，它的成功取决于支持它的GCC版本(可以为它生成代码的后端)。
2
The QUIT command stops the command line processor, but does not remove the associated back-end process; to do that, you need to issue the TERMINATE command.