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[Bug c++/20607] [3.4 Regression] -fstrict-aliasing causes incorrect scheduling
- From: "ebotcazou at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 29 Mar 2005 19:19:25 -0000
- Subject: [Bug c++/20607] [3.4 Regression] -fstrict-aliasing causes incorrect scheduling
- References: <20050323190354.20607.Ganesh.Sittampalam@arm.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From ebotcazou at gcc dot gnu dot org 2005-03-29 19:19 -------
Confirmed in 3.4.x, probably another incarnation of the infamous stack slot
sharing problem in 3.x when type-based aliasing is enabled.
As as side note, -fschedule-insns makes little sense without -mcpu=xxx on SPARC.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
Known to fail| |3.3.2 3.4.3 3.4.4
Known to work| |2.95 4.0.0 4.1.0
Last reconfirmed|0000-00-00 00:00:00 |2005-03-29 19:19:23
date| |
Summary|-fstrict-aliasing causes |[3.4 Regression] -fstrict-
|incorrect scheduling on |aliasing causes incorrect
|Sparc Solaris |scheduling
Target Milestone|--- |3.4.4
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20607