This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/23049] [4.1 Regression] ICE with -O3 -ftree-vectorize on 4.1.x
- 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: 3 Aug 2005 00:49:59 -0000
- Subject: [Bug tree-optimization/23049] [4.1 Regression] ICE with -O3 -ftree-vectorize on 4.1.x
- References: <20050724142245.23049.drab@kepler.fjfi.cvut.cz>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-03 00:49 -------
(In reply to comment #10)
> This is triggered by tree-ifcvt (which is enabled by -ftree-vectorize)
But it looks like not a vectorize or tree-ifcvt bug at all but a fold bug.
We get:
0 == 0 ? 0 : 3988292384
in fold but we don't try to fold 0 == 0 first.
--
What |Removed |Added
----------------------------------------------------------------------------
CC| |law at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23049