This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/21485] [4.2/4.3/4.4 Regression] missed load PRE
- From: "pinskia 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 Oct 2008 00:13:26 -0000
- Subject: [Bug tree-optimization/21485] [4.2/4.3/4.4 Regression] missed load PRE
- References: <bug-21485-10607@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #31 from pinskia at gcc dot gnu dot org 2008-10-04 00:13 -------
the reduced testcase in comment #30 is optimized by DOM3 though not by PRE.
Running PRE again right after the first PRE still founds more PREable
expressions for this testcase ...
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21485