On 10/01/2012 12:14 PM, Jakub Jelinek wrote: > On Mon, Oct 01, 2012 at 12:01:36PM +0200, Steven Bosscher wrote: >> I would also agree if it were not for the fact that IRA is already a >> scalability bottle-neck and that has been known for a long time, too. >> I have no confidence at all that if LRA goes in now, these scalability >> problems will be solved in stage3 or at any next release cycle. It's >> always the same thing with GCC: Once a patch is in, everyone moves on >> to the next fancy new thing dropping the not-quite-broken but also >> not-quite-working things on the floor. > > If we open a P1 bug for it for 4.8, then it will need to be resolved some > way before branching. I think Vlad is committed to bugfixing LRA, after > all the intent is for 4.9 to enable it on more (all?) targets, and all the > bugfixing and scalability work on LRA is needed for that anyway.
Why can't this be done on the branch? We've made the mistake of rushing things into mainline too early a few times before, we should have learned by now. And adding more half transitions is not something we really want either. Bernd
