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[Bug middle-end/39976] [4.5 Regression] Big sixtrack degradation on powerpc 32/64 after revision r146817
- From: "hjl dot tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Apr 2009 20:17:15 -0000
- Subject: [Bug middle-end/39976] [4.5 Regression] Big sixtrack degradation on powerpc 32/64 after revision r146817
- References: <bug-39976-16550@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from hjl dot tools at gmail dot com 2009-04-30 20:17 -------
I am not sure if it is related. Revision 146817 miscompiled 465.tonto in
SPEC CPU 2006 on Linux/ia32 with
-O3 -msse2 -mfpmath=sse -ffast-math -funroll-loops -m32
The resulting tonto binary generated the wrong result and ran VERY VERY
slow.
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hjl dot tools at gmail dot com changed:
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39976