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From: "ramana at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/45070] Miscompiled c++ class with packed attribute on ARM with -Os optimizations (Qt 4.6.2)
Date: Wed, 28 Jul 2010 09:22:00 -0000 [thread overview]
Message-ID: <20100728092203.14966.qmail@sourceware.org> (raw)
In-Reply-To: <bug-45070-14457@http.gcc.gnu.org/bugzilla/>
------- Comment #8 from ramana at gcc dot gnu dot org 2010-07-28 09:22 -------
(In reply to comment #7)
> Thanks for the analysis, yes that appears to be the nub of the problem with the
> result being removed . I see the same problem on trunk -
>
I just realized that this is a packed structure and probably need to look up
the semantics of this in the AAPCS. IIRC the AAPCS states that it doesn't
support packed structures or bitfields at exported interfaces.
Adding Richard for some ABI commentary.
cheers
Ramana
--
ramana at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rearnsha at gcc dot gnu dot
| |org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45070
next prev parent reply other threads:[~2010-07-28 9:22 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-25 23:23 [Bug c++/45070] New: " siarhei dot siamashka at gmail dot com
2010-07-25 23:25 ` [Bug c++/45070] " siarhei dot siamashka at gmail dot com
2010-07-26 8:49 ` mikpe at it dot uu dot se
2010-07-26 9:33 ` mikpe at it dot uu dot se
2010-07-28 7:16 ` siarhei dot siamashka at gmail dot com
2010-07-28 7:18 ` siarhei dot siamashka at gmail dot com
2010-07-28 8:37 ` [Bug target/45070] " siarhei dot siamashka at gmail dot com
2010-07-28 9:01 ` ramana at gcc dot gnu dot org
2010-07-28 9:22 ` ramana at gcc dot gnu dot org [this message]
2010-07-28 9:35 ` rearnsha at gcc dot gnu dot org
2010-07-28 9:46 ` mikpe at it dot uu dot se
2010-08-03 17:13 ` ian dot bolton at arm dot com
2010-08-14 15:33 ` armin76 at gentoo dot org
2010-08-14 16:28 ` siarhei dot siamashka at gmail dot com
2010-08-19 8:28 ` ramana at gcc dot gnu dot org
2010-09-02 13:06 ` ibolton at gcc dot gnu dot org
2010-09-04 16:42 ` armin76 at gentoo dot org
2010-09-07 9:26 ` ibolton at gcc dot gnu dot org
2010-09-07 11:08 ` ibolton at gcc dot gnu dot org
2010-09-14 14:06 ` rearnsha at gcc dot gnu dot org
[not found] <bug-45070-4@http.gcc.gnu.org/bugzilla/>
2012-09-04 9:38 ` amker at gcc dot gnu.org
2012-09-04 19:44 ` ramana at gcc dot gnu.org
2012-09-05 10:51 ` amker at gcc dot gnu.org
2012-09-05 10:55 ` amker at gcc dot gnu.org
2012-09-07 10:52 ` amker at gcc dot gnu.org
2012-09-07 11:02 ` amker at gcc dot gnu.org
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