------- Comment #12 from bonzini at gnu dot org 2009-01-02 18:38 ------- Subject: Re: [ira] error in start_allocno_priorities, at ira-color.c:1806
> StevenB talked me out of this because he considered it wrong to have > the client pass get conservative info. I agreed with him but I am > willing to change my mind if you really want to push your case. If there was preexisting discussion outside bugzilla, it's of course okay for me, and I'll not push my opinion beyond, but I'd still like to see some numbers. You can commit the second patch either before or after, I don't care. >> At this point, if your patch costs say 0.3%, and removing all traces >> DF_LR_RUN_DCE (instead scheduling a dozen more pass_fast_rtl_dce in >> passes.c) costs 0.5%, I'd rather see the latter, at least it's easier to >> look for opportunities to remove some useless DCE. I'll try to do this for 4.5. Paolo -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35805