[Bug tree-optimization/54634] [4.8 Regression] miscompilation with -O3 -ftree-loop-distribution

2012-09-20 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54634 Jakub Jelinek jakub at gcc dot gnu.org changed: What|Removed |Added CC||jakub at

[Bug tree-optimization/54634] [4.8 Regression] miscompilation with -O3 -ftree-loop-distribution

2012-09-20 Thread Joost.VandeVondele at mat dot ethz.ch
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54634 --- Comment #2 from Joost VandeVondele Joost.VandeVondele at mat dot ethz.ch 2012-09-20 10:15:57 UTC --- (In reply to comment #1) Retry with PR54629 fix? after applying the patch mentioned above, the testcase still fails. The failure

[Bug tree-optimization/54634] [4.8 Regression] miscompilation with -O3 -ftree-loop-distribution

2012-09-20 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54634 Richard Guenther rguenth at gcc dot gnu.org changed: What|Removed |Added Keywords|

[Bug tree-optimization/54634] [4.8 Regression] miscompilation with -O3 -ftree-loop-distribution

2012-09-20 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54634 --- Comment #4 from Richard Guenther rguenth at gcc dot gnu.org 2012-09-20 12:26:53 UTC --- We split bb 89: # s2_207 = PHI 0.0(88), s2_524(91) # prephitmp_1456 = PHI 0(88), k.76_530(91) _496 = prephitmp_1456 * -2; _1535 =

[Bug tree-optimization/54634] [4.8 Regression] miscompilation with -O3 -ftree-loop-distribution

2012-09-20 Thread Joost.VandeVondele at mat dot ethz.ch
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54634 --- Comment #5 from Joost VandeVondele Joost.VandeVondele at mat dot ethz.ch 2012-09-20 13:06:50 UTC --- (In reply to comment #4) Ah, binomial () is pure. In this case, it was presumably triggered by Tobias' changes for PR54389.

[Bug tree-optimization/54634] [4.8 Regression] miscompilation with -O3 -ftree-loop-distribution

2012-09-20 Thread rguenther at suse dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54634 --- Comment #6 from rguenther at suse dot de rguenther at suse dot de 2012-09-20 13:43:33 UTC --- On Thu, 20 Sep 2012, Joost.VandeVondele at mat dot ethz.ch wrote: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54634 --- Comment #5

[Bug tree-optimization/54634] [4.8 Regression] miscompilation with -O3 -ftree-loop-distribution

2012-09-20 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54634 --- Comment #7 from Richard Guenther rguenth at gcc dot gnu.org 2012-09-20 14:46:41 UTC --- Author: rguenth Date: Thu Sep 20 14:46:32 2012 New Revision: 191567 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=191567 Log: 2012-09-20

[Bug tree-optimization/54634] [4.8 Regression] miscompilation with -O3 -ftree-loop-distribution

2012-09-20 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54634 Richard Guenther rguenth at gcc dot gnu.org changed: What|Removed |Added Status|ASSIGNED