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[Bug middle-end/77484] [6/7 Regression] Static branch predictor causes ~6-8% regression of SPEC2000 GAP
- From: "hubicka at ucw dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 01 Dec 2016 15:58:59 +0000
- Subject: [Bug middle-end/77484] [6/7 Regression] Static branch predictor causes ~6-8% regression of SPEC2000 GAP
- Auto-submitted: auto-generated
- References: <bug-77484-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77484
--- Comment #8 from Jan Hubicka <hubicka at ucw dot cz> ---
> Yes that's it, a single run shows 12% speedup with this patch!
Looks promising. We probably should try to differentiate from polymorphic
calls
as virtual methods are also used in different patterns.
let me cook the patch.
Honza