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* [Bug c++/16389] New: [ABI] POD array layout and alignment shifting [3.2/3.3/3.4]
@ 2004-07-06 16:52 bkoz at gcc dot gnu dot org
  2004-07-06 16:52 ` [Bug c++/16389] " bkoz at gcc dot gnu dot org
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: bkoz at gcc dot gnu dot org @ 2004-07-06 16:52 UTC (permalink / raw)
  To: gcc-bugs

First reported by Michael Wong.

Can also be reproduced on powerpc-linux.

3.2.3
        align   offset
sa.a2   8       0
sa.a3   8       8
sa2.a2  8       4
sa2.a3  8       12
 
sb.b2   4       0
sb.b3   4       12
sb2.b2  4       4
sb2.b3  4       16
 
sa      8
sa      4
sb      32
sb      32


3.3.3
        align   offset
sa.a2   4       0
sa.a3   4       8
sa2.a2  8       4
sa2.a3  4       12
 
sb.b2   4       0
sb.b3   4       12
sb2.b2  4       4
sb2.b3  4       16
 
sa      8
sa      4
sb      32
sb      32


3.4.1
        align   offset
sa.a2   8       0
sa.a3   8       8
sa2.a2  8       4
sa2.a3  8       12
                                                                                
sb.b2   4       0
sb.b3   4       12
sb2.b2  4       4
sb2.b3  4       16
                                                                                
sa      4
sa      4
sb      4
sb      4

-- 
           Summary: [ABI] POD array layout and alignment shifting
                    [3.2/3.3/3.4]
           Product: gcc
           Version: 3.5.0
            Status: UNCONFIRMED
          Keywords: ABI
          Severity: normal
          Priority: P2
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: bkoz at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16389


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug c++/16389] [ABI] POD array layout and alignment shifting [3.2/3.3/3.4]
  2004-07-06 16:52 [Bug c++/16389] New: [ABI] POD array layout and alignment shifting [3.2/3.3/3.4] bkoz at gcc dot gnu dot org
@ 2004-07-06 16:52 ` bkoz at gcc dot gnu dot org
  2004-07-06 16:52 ` bkoz at gcc dot gnu dot org
                   ` (2 subsequent siblings)
  3 siblings, 0 replies; 5+ messages in thread
From: bkoz at gcc dot gnu dot org @ 2004-07-06 16:52 UTC (permalink / raw)
  To: gcc-bugs



-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |michaelw at ca dot ibm dot
                   |                            |com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16389


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug c++/16389] [ABI] POD array layout and alignment shifting [3.2/3.3/3.4]
  2004-07-06 16:52 [Bug c++/16389] New: [ABI] POD array layout and alignment shifting [3.2/3.3/3.4] bkoz at gcc dot gnu dot org
  2004-07-06 16:52 ` [Bug c++/16389] " bkoz at gcc dot gnu dot org
@ 2004-07-06 16:52 ` bkoz at gcc dot gnu dot org
  2004-11-12  0:02 ` pinskia at gcc dot gnu dot org
  2005-07-02  1:42 ` pinskia at gcc dot gnu dot org
  3 siblings, 0 replies; 5+ messages in thread
From: bkoz at gcc dot gnu dot org @ 2004-07-06 16:52 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From bkoz at gcc dot gnu dot org  2004-07-06 16:52 -------
Created an attachment (id=6700)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=6700&action=view)
test case


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16389


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug c++/16389] [ABI] POD array layout and alignment shifting [3.2/3.3/3.4]
  2004-07-06 16:52 [Bug c++/16389] New: [ABI] POD array layout and alignment shifting [3.2/3.3/3.4] bkoz at gcc dot gnu dot org
  2004-07-06 16:52 ` [Bug c++/16389] " bkoz at gcc dot gnu dot org
  2004-07-06 16:52 ` bkoz at gcc dot gnu dot org
@ 2004-11-12  0:02 ` pinskia at gcc dot gnu dot org
  2005-07-02  1:42 ` pinskia at gcc dot gnu dot org
  3 siblings, 0 replies; 5+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-11-12  0:02 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From pinskia at gcc dot gnu dot org  2004-11-12 00:02 -------
*** Bug 16390 has been marked as a duplicate of this bug. ***

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16389


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug c++/16389] [ABI] POD array layout and alignment shifting [3.2/3.3/3.4]
  2004-07-06 16:52 [Bug c++/16389] New: [ABI] POD array layout and alignment shifting [3.2/3.3/3.4] bkoz at gcc dot gnu dot org
                   ` (2 preceding siblings ...)
  2004-11-12  0:02 ` pinskia at gcc dot gnu dot org
@ 2005-07-02  1:42 ` pinskia at gcc dot gnu dot org
  3 siblings, 0 replies; 5+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-07-02  1:42 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From pinskia at gcc dot gnu dot org  2005-07-02 01:42 -------
The C front-end gets this right:
        align   offset
sa.a2   4       0
sa.a3   4       8
sa2.a2  4       4
sa2.a3  4       12

sb.b2   4       0
sb.b3   4       12
sb2.b2  4       4
sb2.b3  4       16

sa      4
sa      4
sb      4
sb      4

So it is just the alignof which is wrong.

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16389


^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2005-07-02  1:42 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2004-07-06 16:52 [Bug c++/16389] New: [ABI] POD array layout and alignment shifting [3.2/3.3/3.4] bkoz at gcc dot gnu dot org
2004-07-06 16:52 ` [Bug c++/16389] " bkoz at gcc dot gnu dot org
2004-07-06 16:52 ` bkoz at gcc dot gnu dot org
2004-11-12  0:02 ` pinskia at gcc dot gnu dot org
2005-07-02  1:42 ` pinskia at gcc dot gnu dot org

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