https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61515
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2014-06-16 CC| |law at gcc dot gnu.org Version|unknown |4.10.0 Target Milestone|--- |4.10.0 Summary|Extremely long compile time |[4.10 Regression] Extremely |for generated code |long compile time for | |generated code Ever confirmed|0 |1 --- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Richard Biener from comment #6) > 4.9 at -Os takes 5min and ~2.2GB of ram (points-to takes 20%, DF 33%) trunk at -Os takes 15min and ~2.1GB of ram (dominator optimization takes 67%) trunk at -O1 takes 14min and ~2GB of ram (still DOM at 62%) So it seems that on trunk DOM regressed a lot. Confirmed as 4.10 regression.