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[Bug rtl-optimization/25130] [4.1/4.2 Regression] miscompilation in GCSE
- 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: 16 Dec 2005 23:58:26 -0000
- Subject: [Bug rtl-optimization/25130] [4.1/4.2 Regression] miscompilation in GCSE
- References: <bug-25130-702@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from steven at gcc dot gnu dot org 2005-12-16 23:58 -------
Re. comment #3, I can reproduce the bug with -fno-gcse-lm too, so this may be
unrelated to load motion. I also tried with -O -fgcse and I'm seeing the bug
then, too. Finally, I tried with CPROP1, CPROP2 and load pre commented out,
and it still fails. So it may be normal PRE breaking things.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25130