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[Bug rtl-optimization/30957] Misscompare with variable expansion optimization
- From: "eres at il dot ibm dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Jan 2008 18:32:30 -0000
- Subject: [Bug rtl-optimization/30957] Misscompare with variable expansion optimization
- References: <bug-30957-13229@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #16 from eres at il dot ibm dot com 2008-01-10 18:32 -------
This is because the test requires -fassociative-math for enabling the
variable-expansion as well as -fsigned-zeros for honor the sign of zero; but
they can not co-exist; also under -funsafe-math-optimizations.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30957