On Wed, Apr 29, 2020 at 5:56 PM Jeff Law <l...@redhat.com> wrote: > > On Tue, 2020-04-28 at 11:44 +0200, Richard Biener via Gcc-patches wrote: > > > > Btw, does s390 have different inlining parameters somehow? > I think so. We saw a ton of backend warnings that were specific to the s390 > builds in Fedora that appeared to be triggered by different inlining > decisions. > > It happened enough that one of the ideas we're going to explore is seeing if > we > can tune the x86_64 port to use the same heuristics. That way we can try to > find > more of these issues in our tester without having to dramatically increase > s390x > resourcing. This hasn't started, but I expect we'll be looking at it in the > fall > (it's unclear if we can just use flags or will need hackery to the x86 port, > but > we're happy to share whatever we find with the wider community).
Hmm, OK. Guess if it becomes an issue for openSUSE I'll simply revert those s390 backend changes. As a general advice to backend developers I _strongly_ discourage to adjust --param defaults that affect GIMPLE. Richard. > jeff > > >
