J.C. Pizarro wrote: > why is hard to optimize unrolling loop, inlining code, instructions > scheduling, etc because of the SSA's presence?
None of these things are particluarly hard with SSA. I'm not sure I understand what you are trying to get at. > Don't forget, "Premature optimization is the root of all evil". Indeed. That is one of the reasons why GCC has been restructured this way. And the job is still not done.
