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[Bug rtl-optimization/22563] [3.4/4.0/4.1 Regression] performance regression for gcc newer than 2.95
- From: "hubicka at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Nov 2005 22:54:30 -0000
- Subject: [Bug rtl-optimization/22563] [3.4/4.0/4.1 Regression] performance regression for gcc newer than 2.95
- References: <bug-22563-10914@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #8 from hubicka at gcc dot gnu dot org 2005-11-03 22:54 -------
Actually the code 4.1 in comment #5 should execute faster on true i686. It is
longer and will trigger partial memory stalls on later chips.
Honza
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22563