This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/33928] [4.3/4.4 Regression] 22% performance slowdown from 4.2.2 to 4.3/4.4.0 in floating-point code
- 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: 4 Sep 2008 20:43:44 -0000
- Subject: [Bug tree-optimization/33928] [4.3/4.4 Regression] 22% performance slowdown from 4.2.2 to 4.3/4.4.0 in floating-point code
- References: <bug-33928-271@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #37 from rguenth at gcc dot gnu dot org 2008-09-04 20:43 -------
We have to admit that this bug is unlikely to get fixed in the 4.3 series.
It still lacks proper analysis, as unfortunately that done on the shorter
testcase was not valid. Analysis takes time, and honestly at this point I
rather spend time fixing wrong-code or ice-on-valid bugs.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928