Re: [PATCH] Fix PR84737, 172.mgrid regression on powerpc

2018-04-19 Thread Jakub Jelinek
On Thu, Apr 19, 2018 at 10:21:32AM +0200, Richard Biener wrote: > > The following fixes the fact that the vectorizer doesn't bother to > preserve restrict information on its generated loads/stores which > in turn causes missed predictive commonings. The regression happened > because there's now a

Re: [PATCH] Fix PR84737, 172.mgrid regression on powerpc

2018-04-19 Thread Richard Biener
On Thu, 19 Apr 2018, Jakub Jelinek wrote: > On Thu, Apr 19, 2018 at 10:21:32AM +0200, Richard Biener wrote: > > > > The following fixes the fact that the vectorizer doesn't bother to > > preserve restrict information on its generated loads/stores which > > in turn causes missed predictive commoni

[PATCH] Fix PR84737, 172.mgrid regression on powerpc

2018-04-19 Thread Richard Biener
The following fixes the fact that the vectorizer doesn't bother to preserve restrict information on its generated loads/stores which in turn causes missed predictive commonings. The regression happened because there's now a IPA-CP clone which wrecks points-to info, but restrict is properly preser