------- Comment #9 from rguenther at suse dot de 2007-10-20 20:52 ------- Subject: Re: [4.3 Regression] Exponential time behavior in PRE
On Sat, 20 Oct 2007, dberlin at dberlin dot org wrote: > ------- Comment #8 from dberlin at gcc dot gnu dot org 2007-10-20 20:49 > ------- > Subject: Re: [4.3 Regression] Exponential time behavior in PRE > > We may just want to disable PPRE of constants entirely :) If you don't initialize the variable to zero we or in all the bits then the value will be not constant, but still 'var | constant' with 2**24 different constants... Richard. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32540
