------- Comment #3 from rguenther at suse dot de 2008-02-24 21:14 ------- Subject: Re: Missing Const Prop -- union fields
On Sat, 23 Feb 2008, pinskia at gcc dot gnu dot org wrote: > ------- Comment #2 from pinskia at gcc dot gnu dot org 2008-02-23 05:50 > ------- > More than just constant prop, see PR 25972 for more info on what else it can > be > done with union in the same way. > > Actually I think MEM_REF will make it worse and will not help. In fact I > still > think MEM_REF is a bad idea and will cause worse aliasing issues with unions > than that are already done. Please elaborate. This handwaving doesn't help. Richard. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35292
