------- Comment #13 from stevenb dot gcc at gmail dot com 2009-01-02 18:45 ------- Subject: Re: [ira] error in start_allocno_priorities, at ira-color.c:1806
On Fri, Jan 2, 2009 at 7:37 PM, Paolo Bonzini <bonz...@gnu.org> wrote: >>> 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. It might be more worthwhile to just "fix" IRA to use DF_LIVE (which Vlad should have done in the first place). Then we wouldn't need Kenny's patch and DF_LR_RUN_DCE would still be essentially free. Gr. Steven -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35805
