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[Bug optimization/14562] [tree-ssa] Incorrect loop code caused by 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: 15 Mar 2004 23:20:05 -0000
- Subject: [Bug optimization/14562] [tree-ssa] Incorrect loop code caused by PRE
- References: <20040312212525.14562.fjahanian@apple.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-03-15 23:20 -------
The problem was caused by PRE not knowing that the two PHI's were in fact different so it was choosing
the wrong one.
See <http://gcc.gnu.org/ml/gcc-bugs/2004-03/msg01821.html>.
--
What |Removed |Added
----------------------------------------------------------------------------
CC| |pinskia at gcc dot gnu dot
| |org
AssignedTo|amacleod at redhat dot com |dberlin at gcc dot gnu dot
| |org
Summary|[tree-ssa] Incorrect loop |[tree-ssa] Incorrect loop
|code caused by copyrename |code caused by PRE
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14562