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[Bug c/46620] 32-bit structures containing bitfields are not copied correctly on -O2 , x86 backend
- From: "mikpe at it dot uu.se" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 27 Jan 2011 11:51:31 +0000
- Subject: [Bug c/46620] 32-bit structures containing bitfields are not copied correctly on -O2 , x86 backend
- Auto-submitted: auto-generated
- References: <bug-46620-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46620
Mikael Pettersson <mikpe at it dot uu.se> changed:
What |Removed |Added
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CC| |mikpe at it dot uu.se
--- Comment #2 from Mikael Pettersson <mikpe at it dot uu.se> 2011-01-27 11:51:09 UTC ---
On i686-linux this works with gcc 4.1.2 and 4.2.4, fails with 4.3.5 and 4.4.5,
and works again with 4.5.2 (haven't checked trunk).
For 4.5 this was fixed by r147980:
Author: jamborm
Date: Fri May 29 16:47:31 2009
New Revision: 147980
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=147980
Log:
2009-05-29 Martin Jambor <mjambor@suse.cz>
* tree-sra.c: New implementation of SRA.