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[Bug tree-optimization/17560] [4.0 Regression] Infinite recursion in tree-scalar-evolution with -Os
- From: "rakdver at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 8 Oct 2004 13:21:59 -0000
- Subject: [Bug tree-optimization/17560] [4.0 Regression] Infinite recursion in tree-scalar-evolution with -Os
- References: <20040919165202.17560.kherron+gcc@fmailbox.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From rakdver at gcc dot gnu dot org 2004-10-08 13:21 -------
This fix should not be necessary (in fact we had the code like this before, but
I removed it and replaced it by current solution; the problem with is that it
behaves really weird, for example the results are dependent on in which order we
process the variables) -- we check for irreducible regions in scev already.
Could you check whether the edges are marked as irreducible? If not, this would
be the problem.
Zdenek
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17560