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[Bug tree-optimization/32921] [4.3 Regression] Revision 126326 causes 12% slowdown
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 25 Oct 2007 11:02:28 -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 #38 from rguenth at gcc dot gnu dot org 2007-10-25 11:02 -------
Another thing is that for all of the mem_sym_stats we collect, we _only_
consider
memory references through pointers(!), but not for example
# VUSE <MPT.242_651>
D.1244_380 = du.dim[0].stride;
the associated SFT will neither get indirect nor direct reads accounted.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32921