[Bug tree-optimization/82187] missed PRE at -O3

2019-04-11 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82187 Richard Biener changed: What|Removed |Added Last reconfirmed|2017-09-12 00:00:00 |2019-4-11 --- Comment #3 from Richard B

[Bug tree-optimization/82187] missed PRE at -O3

2017-11-14 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82187 --- Comment #2 from Richard Biener --- PRE thinks we are creating a loop-carried dependence that might prevent vectorization (which is enabled at -O3) thus it doesn't perform the transform. So it's a feature ...

[Bug tree-optimization/82187] missed PRE at -O3

2017-09-12 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82187 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|