https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109983
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2023-05-30 Target Milestone|--- |12.4 Ever confirmed|0 |1 Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org Status|UNCONFIRMED |ASSIGNED --- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> --- IPA PTA (the PTA solver in general) is a known hog, it got significantly worse for testcases involving a lot of calls with Honzas re-org to improve PTA around calls. My suggestion is to not enable -fipa-pta if you hit such issue or in general if you don't know it pays off with a good runtime performance boost.