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[Bug target/21642] wrong code with -O2
- From: "dje at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 Jun 2005 15:17:16 -0000
- Subject: [Bug target/21642] wrong code with -O2
- References: <20050518100112.21642.joerg.richter@pdv-fs.de>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From dje at gcc dot gnu dot org 2005-06-06 15:17 -------
This appears to be related to strength reduction.
-O2 -fno-strength-reduce succeeds
-O1 -fstrength-reduce fails.
The bug is not present in GCC 4.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
Keywords| |wrong-code
Known to fail| |3.4.3 3.4.4
Known to work| |4.0.0 4.0.1 4.1.0
Last reconfirmed|0000-00-00 00:00:00 |2005-06-06 15:17:14
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21642