http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52991
Jackie Rosen jackie.rosen at hushmail dot com changed:
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Thomas Martitz kugel at rockbox dot org changed:
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roger pack rogerdpack at gmail dot com changed:
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--- Comment #16 from Kai Tietz ktietz at gcc dot gnu.org ---
ms-bitfield is broken regarding pack-attribute and align-attribute. Later is
the cause why suggested patch is just half of the story.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52991
--- Comment #14 from Mikael Pettersson mikpelinux at gmail dot com ---
Ping -- there's been a patch for this bug for almost 10 months now...
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52991
--- Comment #11 from Kai Tietz ktietz at gcc dot gnu.org 2013-01-09 12:30:50
UTC ---
Created attachment 29119
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=29119
Testcase for bitfield and type-packing
This first testcase checking
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52991
--- Comment #12 from Kai Tietz ktietz at gcc dot gnu.org 2013-01-09 13:34:07
UTC ---
Created attachment 29121
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=29121
Testcase for bitfield and structure-aligning via attribute
This
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52991
--- Comment #13 from Kai Tietz ktietz at gcc dot gnu.org 2013-01-09 13:37:13
UTC ---
Created attachment 29122
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=29122
Testcase for bitfield and structure field-aligning by attribute
By
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52991
Richard Henderson rth at gcc dot gnu.org changed:
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--- Comment #10 from Kai Tietz ktietz at gcc dot gnu.org 2012-12-18 21:35:27
UTC ---
(In reply to comment #9)
It doesn't look to me that the first two hunks of the patch are needed.
Yes, that's right.
The last hunk doesn't look like
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Kai Tietz ktietz at gcc dot gnu.org changed:
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Last
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--- Comment #6 from daniel.c.klauer at web dot de 2012-10-06 23:02:22 UTC ---
Using the ms_struct attribute instead of compiling with -mms-bitfields
reproduces the packing issue, while using the gcc_struct attribute prevents the
issue from
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Paolo Carlini paolo.carlini at oracle dot com changed:
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--- Comment #5 from Mikael Pettersson mikpe at it dot uu.se 2012-08-22
08:34:46 UTC ---
The following variation of the test case was compiled with both gcc-4.7.1 and
MS Visual Studio 2008:
#include stdio.h
#if defined(__GNUC__)
struct A1 {
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Mikael Pettersson mikpe at it dot uu.se changed:
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CC||kkojima at gcc
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Mikael Pettersson mikpe at it dot uu.se changed:
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daniel.c.klauer at web dot de changed:
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--- Comment #2 from daniel.c.klauer at web dot de 2012-08-18 04:00:51 UTC ---
The -mms-bitfields option seems to trigger the wrong behaviour. As pointed out
by http://gcc.gnu.org/gcc-4.7/changes.html it is enabled by default since
4.7.0, and using
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