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[Bug tree-optimization/65207] [5 regression] performance: tree level loop optimization does not peel SpecCPU href loop
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 25 Feb 2015 15:11:41 +0000
- Subject: [Bug tree-optimization/65207] [5 regression] performance: tree level loop optimization does not peel SpecCPU href loop
- Auto-submitted: auto-generated
- References: <bug-65207-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65207
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-02-25
CC| |hubicka at gcc dot gnu.org
Target Milestone|--- |5.0
Ever confirmed|0 |1
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I believe there is a duplicate bug complaining about the same heuristic. I can
confirm the heuristic is new.
Why doesn't the call overhead cancel all gains of the peeling?