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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; 7+ 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] 7+ 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; 7+ 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] 7+ 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; 7+ 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] 7+ 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; 7+ 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] 7+ 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; 7+ 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] 7+ messages in thread
[parent not found: <bug-16389-365@http.gcc.gnu.org/bugzilla/>]
* [Bug c++/16389] [ABI] POD array layout and alignment shifting [3.2/3.3/3.4] [not found] <bug-16389-365@http.gcc.gnu.org/bugzilla/> @ 2006-03-03 17:49 ` jason at gcc dot gnu dot org 2006-03-11 19:47 ` pinskia at gcc dot gnu dot org 1 sibling, 0 replies; 7+ messages in thread From: jason at gcc dot gnu dot org @ 2006-03-03 17:49 UTC (permalink / raw) To: gcc-bugs ------- Comment #4 from jason at gcc dot gnu dot org 2006-03-03 17:49 ------- Again, the trunk matches the (incorrect) 3.4.1 output -- jason at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |jason at gcc dot gnu dot org |dot org | Status|UNCONFIRMED |ASSIGNED Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2006-03-03 17:49:47 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16389 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/16389] [ABI] POD array layout and alignment shifting [3.2/3.3/3.4] [not found] <bug-16389-365@http.gcc.gnu.org/bugzilla/> 2006-03-03 17:49 ` jason at gcc dot gnu dot org @ 2006-03-11 19:47 ` pinskia at gcc dot gnu dot org 1 sibling, 0 replies; 7+ messages in thread From: pinskia at gcc dot gnu dot org @ 2006-03-11 19:47 UTC (permalink / raw) To: gcc-bugs ------- Comment #5 from pinskia at gcc dot gnu dot org 2006-03-11 19:47 ------- Fixed, it was not really an ABI bug after all, just alignof being implemented different/wrong. -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Keywords|ABI | Resolution| |FIXED Target Milestone|--- |4.2.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16389 ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2006-03-11 19:47 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
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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
[not found] <bug-16389-365@http.gcc.gnu.org/bugzilla/>
2006-03-03 17:49 ` jason at gcc dot gnu dot org
2006-03-11 19:47 ` pinskia at gcc dot gnu dot org
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