[Bug lto/61786] wrong code by LTO on x86_64-linux-gnu

2014-07-14 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61786 --- Comment #4 from Richard Biener --- Author: rguenth Date: Mon Jul 14 11:22:34 2014 New Revision: 212515 URL: https://gcc.gnu.org/viewcvs?rev=212515&root=gcc&view=rev Log: 2014-07-14 Richard Biener PR tree-optimization/61786 * gcc.

[Bug lto/61786] wrong code by LTO on x86_64-linux-gnu

2014-07-14 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61786 Richard Biener changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug lto/61786] wrong code by LTO on x86_64-linux-gnu

2014-07-13 Thread hp at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61786 Hans-Peter Nilsson changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug lto/61786] wrong code by LTO on x86_64-linux-gnu

2014-07-11 Thread su at cs dot ucdavis.edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61786 --- Comment #1 from Zhendong Su --- Not sure whether it is due to the same root cause, but the combined code is also miscompiled at (only) -O2 by the current trunk. Interestingly, -flto seems to make the miscompilation disappear. $ gcc-trunk