Re: Fix PR78725 (v2)

2016-12-12 Thread Richard Biener
On December 12, 2016 4:29:24 PM GMT+01:00, Michael Matz wrote: >Hi, > >On Fri, 9 Dec 2016, Richard Biener wrote: > >> On December 9, 2016 4:29:04 PM GMT+01:00, Michael Matz >wrote: >> >Hi, >> > >> >if the induction variable on which we want to partition the loop >> >iterations for loop splitting

Re: Fix PR78725 (v2)

2016-12-12 Thread Michael Matz
Hi, On Fri, 9 Dec 2016, Richard Biener wrote: > On December 9, 2016 4:29:04 PM GMT+01:00, Michael Matz wrote: > >Hi, > > > >if the induction variable on which we want to partition the loop > >iterations for loop splitting might overflow we would either need > >runtime > >tests checking if an o

Re: Fix PR78725

2016-12-09 Thread Richard Biener
On December 9, 2016 4:29:04 PM GMT+01:00, Michael Matz wrote: >Hi, > >if the induction variable on which we want to partition the loop >iterations for loop splitting might overflow we would either need >runtime >tests checking if an overflow in fact does happen, or we can simply not > >split loo

Fix PR78725

2016-12-09 Thread Michael Matz
Hi, if the induction variable on which we want to partition the loop iterations for loop splitting might overflow we would either need runtime tests checking if an overflow in fact does happen, or we can simply not split loops on such ones. I chose the latter. Fixes the testcase, and regstrap