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[Bug middle-end/38474] [4.3/4.4 Regression] slow compilation at -O0 (callgraph optimization, inline heuristics, expand )
- From: "steven at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 17 Dec 2008 07:01:39 -0000
- Subject: [Bug middle-end/38474] [4.3/4.4 Regression] slow compilation at -O0 (callgraph optimization, inline heuristics, expand )
- References: <bug-38474-6642@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #30 from steven at gcc dot gnu dot org 2008-12-17 07:01 -------
I think redoing this with 4.4.0 would be useful, to check if new code (like
IRA) uses this kind of non-linear algorithms. But the register renaming patch
hasn't changed between 4.3 and 4.4, so I would compile with
-fno-rename-registers ;-)
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38474