Non-dominating loop bounds in tree-ssa-loop-niter 3/4

Richard Biener rguenther@suse.de
Wed Oct 31 12:34:00 GMT 2012


On Wed, 31 Oct 2012, Jan Hubicka wrote:

> > 
> > unroll you mean.  Because unrolling mutates the CFG too much.
> > Well - it was just a starting point, populating -Og with as little
> > as possible and 100% profitable transforms (in both debug and speed
> > metric).  In late opts we only do (early opt queue is shared):
> 
> Well, and what about early cunrolli?

It's not there (and I would disable it for -Og).

Richard.



More information about the Gcc-patches mailing list