On Tue, Mar 23, 2010 at 7:05 PM, Ian Bolton <bol...@icerasemi.com> wrote: > Is there any reason why BB reorder has been disabled > in bb-reorder.c for -Os, such that you can't even > turn it on with -freorder-blocks?
No, you should have the option to turn it on if you wish to do so. If that is not possible, I consider this a bug. If you open a PR and assign it to me, I'll look into it. > From what I've heard on this list in recent days, > BB reorder gives good performance wins such that > most people would still want it on even if it did > increase code size a little. FWIW there is already a PR with a request to add heuristics for BB-reorder to optimize for size. Ciao! Steven
