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[Bug middle-end/36691] [4.1/4.2/4.3/4.4 Regression] wrong value left in induction variable
- 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: 2 Jul 2008 09:36:54 -0000
- Subject: [Bug middle-end/36691] [4.1/4.2/4.3/4.4 Regression] wrong value left in induction variable
- References: <bug-36691-12544@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #1 from rguenth at gcc dot gnu dot org 2008-07-02 09:36 -------
This is SCCP. And then both ivcanon and ivopts. Thus,
-fno-tree-scev-cprop -fno-ivopts -fno-tree-loop-ivcanon
fixes it.
Confirmed with -O.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rguenth at gcc dot gnu dot
| |org, spop at gcc dot gnu dot
| |org
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Keywords| |wrong-code
Known to fail| |4.1.1 4.3.1
Known to work| |4.1.0
Last reconfirmed|0000-00-00 00:00:00 |2008-07-02 09:36:54
date| |
Summary|wrong value left in |[4.1/4.2/4.3/4.4 Regression]
|induction variable |wrong value left in
| |induction variable
Target Milestone|--- |4.1.3
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36691