"于洪涛" <htyu@xxxxxxxxx> writes: > May I ask if there is a phase called unparser that can translate Gimple back to C in GCC? No, there is nothing which translates GIMPLE back to C. I'm not sure that even makes sense, though perhaps it could be done with some effort. The -fdump-tree-XXX options will dump GIMPLE in a form which looks like C. Ian