[Bug tree-optimization/80549] [7/8 Regression] wrong code at -O2 and -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu (executable does not terminate)

2017-05-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80549 --- Comment #6 from Richard Biener --- Author: rguenth Date: Tue May 2 11:24:52 2017 New Revision: 247486 URL: https://gcc.gnu.org/viewcvs?rev=247486=gcc=rev Log: 2017-05-02 Richard Biener PR

[Bug tree-optimization/80549] [7/8 Regression] wrong code at -O2 and -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu (executable does not terminate)

2017-04-28 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80549 --- Comment #5 from Richard Biener --- Created attachment 41283 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41283=edit patch Patch I am testing.

[Bug tree-optimization/80549] [7/8 Regression] wrong code at -O2 and -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu (executable does not terminate)

2017-04-28 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80549 Richard Biener changed: What|Removed |Added CC||law at gcc dot gnu.org --- Comment #4

[Bug tree-optimization/80549] [7/8 Regression] wrong code at -O2 and -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu (executable does not terminate)

2017-04-28 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80549 --- Comment #3 from Richard Biener --- Ok. So the issue is that the irreducible region becomes reducible after DOM1 which means cfg-cleanup ends up with a CFG that has the former exit edge of loop 2 turned into an additional latch (re-starting

[Bug tree-optimization/80549] [7/8 Regression] wrong code at -O2 and -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu (executable does not terminate)

2017-04-28 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80549 Richard Biener changed: What|Removed |Added Keywords||wrong-code Priority|P3

[Bug tree-optimization/80549] [7/8 Regression] wrong code at -O2 and -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu (executable does not terminate)

2017-04-27 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80549 Marek Polacek changed: What|Removed |Added Component|c |tree-optimization Target