subject:"\[Bug middle\-end\/55555\] \[4.8 Regression\] miscompilation at \-O2 \(tree\-pre\?\)"

[Bug middle-end/55555] [4.8 Regression] miscompilation at -O2 (tree-pre?)

2012-12-07 Thread jakub at gcc dot gnu.org

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=5 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Co

[Bug middle-end/55555] [4.8 Regression] miscompilation at -O2 (tree-pre?)

2012-12-02 Thread hubicka at ucw dot cz

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=5 --- Comment #6 from Jan Hubicka 2012-12-02 11:03:53 UTC --- > I'm pretty sure there are no out-of-bounds. In particular coef_x is easy to > check, it is only used as coef_x(:,lxp) where lxp is the loop bound 0..lp > consistent with its def

[Bug middle-end/55555] [4.8 Regression] miscompilation at -O2 (tree-pre?)

2012-12-02 Thread Joost.VandeVondele at mat dot ethz.ch

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=5 --- Comment #5 from Joost VandeVondele 2012-12-02 10:11:34 UTC --- (In reply to comment #4) > Hmm, this seems to be caused by > Forced statement unreachable: pretmp_516 = coef_x[pretmp_515]; > Forced statement unreachable: pretmp_513 = co

[Bug middle-end/55555] [4.8 Regression] miscompilation at -O2 (tree-pre?)

2012-12-02 Thread hubicka at gcc dot gnu.org

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=5 --- Comment #4 from Jan Hubicka 2012-12-02 09:59:35 UTC --- Hmm, this seems to be caused by Forced statement unreachable: pretmp_516 = coef_x[pretmp_515]; Forced statement unreachable: pretmp_513 = coef_x[pretmp_512]; Forced statement unr