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[Bug tree-optimization/32921] [4.3 Regression] Revision 126326 causes 12% slowdown
- From: "hjl at lucon dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 28 Jul 2007 00:51:13 -0000
- Subject: [Bug tree-optimization/32921] [4.3 Regression] Revision 126326 causes 12% slowdown
- References: <bug-32921-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from hjl at lucon dot org 2007-07-28 00:51 -------
I also saw 13% slowdown on Opteron. It may also happen on other none-x86
processors.
This program is in Fortran. It has loops with 3-D, 4-D and 5-D arrays.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32921