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[Bug rtl-optimization/37397] [4.4 Regression] IRA performance impact on SPEC CPU 2K/2006
- From: "Joey dot ye at intel dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Dec 2008 02:50:59 -0000
- Subject: [Bug rtl-optimization/37397] [4.4 Regression] IRA performance impact on SPEC CPU 2K/2006
- References: <bug-37397-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from Joey dot ye at intel dot com 2008-12-30 02:50 -------
(In reply to comment #4)
> Revision 141860 caused 30% slowdown on 454.calculix in SPEC CPU 2006
> with -O2 -ffast-math on Linux/Intel64.
This regression has been fixed in some revision between 142187 and 142212.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37397