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[Bug tree-optimization/37449] [4.4 Regression] calculix gets wrong answer for -O1 -ftree-pre -ffast-math
- From: "janis at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 9 Sep 2008 19:51:37 -0000
- Subject: [Bug tree-optimization/37449] [4.4 Regression] calculix gets wrong answer for -O1 -ftree-pre -ffast-math
- References: <bug-37449-4503@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #1 from janis at gcc dot gnu dot org 2008-09-09 19:51 -------
I was wrong in the description, calculix does get wrong results when compiled
with "-O1 -ftree-pre -funsafe-math-optimizations" with r137631, and starts
failing with those options sometime between 20080326 and 20080601; I've got a
regression hunt going now.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37449