------- Comment #5 from dberlin at gcc dot gnu dot org 2006-06-03 02:11 ------- Subject: Re: reassociation pass produces ~30% slower matrix multiplication code
steven at gcc dot gnu dot org wrote: > ------- Comment #4 from steven at gcc dot gnu dot org 2006-06-02 23:19 > ------- > Real bug, despite Andrew's usual portion of x86-hate. > > It'd be good to know what exactly is going wrong. Reassociation only touches floating point because someone asked me to make it touch floating point. It still shouldn't have *this* much of an affect, my guess is it is triggering some bad behavior elsewhere. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27855