This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/49279] [4.5 Regression] Optimization incorrectly presuming constant variable inside loop in g++ 4.5 and 4.6 with -O2 and -O3 for x86_64 targets
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 07 Oct 2011 08:15:09 +0000
- Subject: [Bug tree-optimization/49279] [4.5 Regression] Optimization incorrectly presuming constant variable inside loop in g++ 4.5 and 4.6 with -O2 and -O3 for x86_64 targets
- Auto-submitted: auto-generated
- References: <bug-49279-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49279
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |4.6.2, 4.7.0
Summary|[4.5/4.6/4.7 Regression] |[4.5 Regression]
|Optimization incorrectly |Optimization incorrectly
|presuming constant variable |presuming constant variable
|inside loop in g++ 4.5 and |inside loop in g++ 4.5 and
|4.6 with -O2 and -O3 for |4.6 with -O2 and -O3 for
|x86_64 targets |x86_64 targets
Known to fail|4.7.0 |
--- Comment #17 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-10-07 08:15:09 UTC ---
Sofar fixed on trunk and the 4.6 branch.