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[Bug c++/33604] [4.3 Regression] Revision 119502 causes significantly slower results with 4.3 compared to 4.2
- From: "michael dot olbrich at gmx dot net" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 Nov 2007 18:55:36 -0000
- Subject: [Bug c++/33604] [4.3 Regression] Revision 119502 causes significantly slower results with 4.3 compared to 4.2
- References: <bug-33604-15171@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #8 from michael dot olbrich at gmx dot net 2007-11-06 18:55 -------
A rerun with Debian's latest versions:
g++-4.2 (GCC) 4.2.3 20071014 (prerelease) (Debian 4.2.2-3)
g++-4.3 (Debian 4.3-20071020-1) 4.3.0 20071020 (experimental) [trunk revision
129510]
4.2 4.3 |
---------------
21.2s 19.4s |-O2
4.4s 15.9s |-O3
4.4s 8.5s |-O3 -fforce-addr
This is more or less the same as my original results, but very different from
Richard Guenther's results. Very strange.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33604