------- Comment #13 from irar at il dot ibm dot com 2008-09-08 07:44 ------- (In reply to comment #9) > Subject: Re: [4.3/4.4 Regression] ICE in vect_update_ivs_after_vectorizer > > > Another thing, 4.4 does not vectorize this loop anymore (and, therefore, > > there > > is no ICE), because of unknown number of iterations: > > I also have remarked on one of the graphite testcases scop-matmult.c > that we had a regression in the precision of the number of iterations from > last graphite merge till yesterday's merge, i.e. from 138275 to 139870 > We used to have a symbolic number of iterations, but now the result > is scev_dont_know. I have not yet tracked this down to the patch that > produced this regression. > > Sebastian >
I opened pr37416 for this issue. Ira -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36630
