------- Comment #16 from pinskia at gmail dot com 2008-01-12 12:26 ------- Subject: Re: [4.0/4.1/4.2/4.3 Regression] DOM and VRP creating harder to optimize code
> ------- Comment #15 from rguenth at gcc dot gnu dot org 2008-01-12 10:49 > ------- > I think symbolic substitutions should be only done if the resulting stmt can > be simplified to a constant. Now for VRP my long-term plan is to get rid of > symbolic ranges altogether to make it cheaper and easier to keep value-range > information across passes. Actually I think it is wrong to get rid of symbolic ranges. I have filed a couple of bugs about adding more symbol ranges with respect of VRP. -- Pinski -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23821