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* [Bug tree-optimization/41089] [4.5/4.6 Regression] stdarg pass produces wrong code
[not found] <bug-41089-4@http.gcc.gnu.org/bugzilla/>
@ 2010-12-16 13:26 ` rguenth at gcc dot gnu.org
2011-04-28 16:20 ` [Bug tree-optimization/41089] [4.5/4.6/4.7 " rguenth at gcc dot gnu.org
` (11 subsequent siblings)
12 siblings, 0 replies; 13+ messages in thread
From: rguenth at gcc dot gnu.org @ 2010-12-16 13:26 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41089
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.5.2 |4.5.3
--- Comment #52 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-12-16 13:03:31 UTC ---
GCC 4.5.2 is being released, adjusting target milestone.
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug tree-optimization/41089] [4.5/4.6/4.7 Regression] stdarg pass produces wrong code
[not found] <bug-41089-4@http.gcc.gnu.org/bugzilla/>
2010-12-16 13:26 ` [Bug tree-optimization/41089] [4.5/4.6 Regression] stdarg pass produces wrong code rguenth at gcc dot gnu.org
@ 2011-04-28 16:20 ` rguenth at gcc dot gnu.org
2012-07-02 13:43 ` [Bug tree-optimization/41089] [4.6/4.7/4.8 " rguenth at gcc dot gnu.org
` (10 subsequent siblings)
12 siblings, 0 replies; 13+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-04-28 16:20 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41089
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.5.3 |4.5.4
--- Comment #53 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-04-28 14:51:45 UTC ---
GCC 4.5.3 is being released, adjusting target milestone.
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug tree-optimization/41089] [4.6/4.7/4.8 Regression] stdarg pass produces wrong code
[not found] <bug-41089-4@http.gcc.gnu.org/bugzilla/>
2010-12-16 13:26 ` [Bug tree-optimization/41089] [4.5/4.6 Regression] stdarg pass produces wrong code rguenth at gcc dot gnu.org
2011-04-28 16:20 ` [Bug tree-optimization/41089] [4.5/4.6/4.7 " rguenth at gcc dot gnu.org
@ 2012-07-02 13:43 ` rguenth at gcc dot gnu.org
2013-04-12 15:18 ` [Bug tree-optimization/41089] [4.7/4.8/4.9 " jakub at gcc dot gnu.org
` (9 subsequent siblings)
12 siblings, 0 replies; 13+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-07-02 13:43 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41089
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.5.4 |4.6.4
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug tree-optimization/41089] [4.7/4.8/4.9 Regression] stdarg pass produces wrong code
[not found] <bug-41089-4@http.gcc.gnu.org/bugzilla/>
` (2 preceding siblings ...)
2012-07-02 13:43 ` [Bug tree-optimization/41089] [4.6/4.7/4.8 " rguenth at gcc dot gnu.org
@ 2013-04-12 15:18 ` jakub at gcc dot gnu.org
2014-06-12 13:49 ` [Bug tree-optimization/41089] [4.7/4.8/4.9/4.10 " rguenth at gcc dot gnu.org
` (8 subsequent siblings)
12 siblings, 0 replies; 13+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-04-12 15:18 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41089
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.6.4 |4.7.4
--- Comment #54 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-04-12 15:17:06 UTC ---
GCC 4.6.4 has been released and the branch has been closed.
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug tree-optimization/41089] [4.7/4.8/4.9/4.10 Regression] stdarg pass produces wrong code
[not found] <bug-41089-4@http.gcc.gnu.org/bugzilla/>
` (3 preceding siblings ...)
2013-04-12 15:18 ` [Bug tree-optimization/41089] [4.7/4.8/4.9 " jakub at gcc dot gnu.org
@ 2014-06-12 13:49 ` rguenth at gcc dot gnu.org
2014-12-19 13:43 ` [Bug tree-optimization/41089] [4.8/4.9/5 " jakub at gcc dot gnu.org
` (7 subsequent siblings)
12 siblings, 0 replies; 13+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-06-12 13:49 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41089
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.7.4 |4.8.4
--- Comment #55 from Richard Biener <rguenth at gcc dot gnu.org> ---
The 4.7 branch is being closed, moving target milestone to 4.8.4.
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug tree-optimization/41089] [4.8/4.9/5 Regression] stdarg pass produces wrong code
[not found] <bug-41089-4@http.gcc.gnu.org/bugzilla/>
` (4 preceding siblings ...)
2014-06-12 13:49 ` [Bug tree-optimization/41089] [4.7/4.8/4.9/4.10 " rguenth at gcc dot gnu.org
@ 2014-12-19 13:43 ` jakub at gcc dot gnu.org
2015-02-05 17:55 ` burnus at gcc dot gnu.org
` (6 subsequent siblings)
12 siblings, 0 replies; 13+ messages in thread
From: jakub at gcc dot gnu.org @ 2014-12-19 13:43 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41089
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.8.4 |4.8.5
--- Comment #56 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 4.8.4 has been released.
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug tree-optimization/41089] [4.8/4.9/5 Regression] stdarg pass produces wrong code
[not found] <bug-41089-4@http.gcc.gnu.org/bugzilla/>
` (5 preceding siblings ...)
2014-12-19 13:43 ` [Bug tree-optimization/41089] [4.8/4.9/5 " jakub at gcc dot gnu.org
@ 2015-02-05 17:55 ` burnus at gcc dot gnu.org
2015-04-20 9:52 ` [Bug tree-optimization/41089] [4.8/4.9/5/6 " vries at gcc dot gnu.org
` (5 subsequent siblings)
12 siblings, 0 replies; 13+ messages in thread
From: burnus at gcc dot gnu.org @ 2015-02-05 17:55 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41089
Tobias Burnus <burnus at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |burnus at gcc dot gnu.org
--- Comment #57 from Tobias Burnus <burnus at gcc dot gnu.org> ---
See also PR64950
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug tree-optimization/41089] [4.8/4.9/5/6 Regression] stdarg pass produces wrong code
[not found] <bug-41089-4@http.gcc.gnu.org/bugzilla/>
` (6 preceding siblings ...)
2015-02-05 17:55 ` burnus at gcc dot gnu.org
@ 2015-04-20 9:52 ` vries at gcc dot gnu.org
2015-04-20 10:09 ` ubizjak at gmail dot com
` (4 subsequent siblings)
12 siblings, 0 replies; 13+ messages in thread
From: vries at gcc dot gnu.org @ 2015-04-20 9:52 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41089
vries at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rth at gcc dot gnu.org,
| |vries at gcc dot gnu.org
--- Comment #58 from vries at gcc dot gnu.org ---
(In reply to Tobias Burnus from comment #57)
> See also PR64950
[ Adding alpha maintainer to cc. ]
Given the fix of PR64950, we should be able to remove the workaround committed
for this PR.
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug tree-optimization/41089] [4.8/4.9/5/6 Regression] stdarg pass produces wrong code
[not found] <bug-41089-4@http.gcc.gnu.org/bugzilla/>
` (7 preceding siblings ...)
2015-04-20 9:52 ` [Bug tree-optimization/41089] [4.8/4.9/5/6 " vries at gcc dot gnu.org
@ 2015-04-20 10:09 ` ubizjak at gmail dot com
2015-04-21 6:24 ` ubizjak at gmail dot com
` (3 subsequent siblings)
12 siblings, 0 replies; 13+ messages in thread
From: ubizjak at gmail dot com @ 2015-04-20 10:09 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41089
--- Comment #59 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to vries from comment #58)
> Given the fix of PR64950, we should be able to remove the workaround
> committed for this PR.
I have started bootstrap/regtest with the following revert:
--cut here--
Index: config/alpha/alpha.c
===================================================================
--- config/alpha/alpha.c (revision 222228)
+++ config/alpha/alpha.c (working copy)
@@ -5957,10 +5957,6 @@ alpha_build_builtin_va_list (void)
integer_type_node);
DECL_FIELD_CONTEXT (ofs) = record;
DECL_CHAIN (ofs) = space;
- /* ??? This is a hack, __offset is marked volatile to prevent
- DCE that confuses stdarg optimization and results in
- gcc.c-torture/execute/stdarg-1.c failure. See PR 41089. */
- TREE_THIS_VOLATILE (ofs) = 1;
base = build_decl (BUILTINS_LOCATION,
FIELD_DECL, get_identifier ("__base"),
--cut here--
>From gcc-bugs-return-484045-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Apr 20 10:21:11 2015
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From: "paolo.carlini at oracle dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/65801] [5/6 Regression] Allow -Wno-narrowing to silence stricter C++11 narrowing rules
Date: Mon, 20 Apr 2015 10:21:00 -0000
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--- Comment #5 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Well, at the time I think we agreed that we wanted to be strict at least about
enums... Otherwise, yes, we can do that plus setting ok = true in that case
too, thus collapsing the last two ifs (+ reverting the docs change and
adjusting the testsuite).
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug tree-optimization/41089] [4.8/4.9/5/6 Regression] stdarg pass produces wrong code
[not found] <bug-41089-4@http.gcc.gnu.org/bugzilla/>
` (8 preceding siblings ...)
2015-04-20 10:09 ` ubizjak at gmail dot com
@ 2015-04-21 6:24 ` ubizjak at gmail dot com
2015-04-21 6:59 ` [Bug target/41089] " ubizjak at gmail dot com
` (2 subsequent siblings)
12 siblings, 0 replies; 13+ messages in thread
From: ubizjak at gmail dot com @ 2015-04-21 6:24 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41089
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|SUSPENDED |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |ubizjak at gmail dot com
--- Comment #60 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Uroš Bizjak from comment #59)
> (In reply to vries from comment #58)
>
> > Given the fix of PR64950, we should be able to remove the workaround
> > committed for this PR.
>
> I have started bootstrap/regtest with the following revert:
Testresults at [1] show that it is now safe to revert the workaround.
[1] https://gcc.gnu.org/ml/gcc-testresults/2015-04/msg02422.html
>From gcc-bugs-return-484130-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Apr 21 06:30:15 2015
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From: "uros at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/41089] [4.8/4.9/5/6 Regression] stdarg pass produces wrong code
Date: Tue, 21 Apr 2015 06:30:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idA089
--- Comment #61 from uros at gcc dot gnu.org ---
Author: uros
Date: Tue Apr 21 06:29:37 2015
New Revision: 222257
URL: https://gcc.gnu.org/viewcvs?rev"2257&root=gcc&view=rev
Log:
PR tree-optimization/64950
Revert:
2010-08-02 Uros Bizjak <ubizjak@gmail.com>
PR target/41089
* config/alpha/alpha.c (alpha_build_builtin_va_list): Mark __offset
as volatile.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/alpha/alpha.c
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug target/41089] [4.8/4.9/5/6 Regression] stdarg pass produces wrong code
[not found] <bug-41089-4@http.gcc.gnu.org/bugzilla/>
` (9 preceding siblings ...)
2015-04-21 6:24 ` ubizjak at gmail dot com
@ 2015-04-21 6:59 ` ubizjak at gmail dot com
2015-05-04 13:10 ` ro at gcc dot gnu.org
2015-05-05 10:40 ` vries at gcc dot gnu.org
12 siblings, 0 replies; 13+ messages in thread
From: ubizjak at gmail dot com @ 2015-04-21 6:59 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41089
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Component|tree-optimization |target
Depends on| |64950
Resolution|--- |FIXED
Target Milestone|4.8.5 |6.0
--- Comment #62 from Uroš Bizjak <ubizjak at gmail dot com> ---
Fixed for gcc 6, no plan to backport.
>From gcc-bugs-return-484132-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Apr 21 07:41:41 2015
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From: "vries at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/65823] New: [6 Regression] ICE in gcc.c-torture/execute/stdarg-2.c -O0/-O1 for arm
Date: Tue, 21 Apr 2015 07:41:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?ide823
Bug ID: 65823
Summary: [6 Regression] ICE in gcc.c-torture/execute/stdarg-2.c
-O0/-O1 for arm
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: vries at gcc dot gnu.org
Comparing:
- https://gcc.gnu.org/ml/gcc-testresults/2015-04/msg02096.html (r222178) and
- https://gcc.gnu.org/ml/gcc-testresults/2015-04/msg02042.html (r222164)
shows two new stdarg-2.c failures for arm:
...
FAIL: gcc.c-torture/execute/stdarg-2.c -O0 (internal compiler error)
FAIL: gcc.c-torture/execute/stdarg-2.c -O0 (test for excess errors)
...
According to https://gcc.gnu.org/ml/gcc-patches/2015-04/msg01114.html :
...
/projects/.../src/gcc/gcc/testsuite/gcc.c-torture/execute/stdarg-2.c:
In function 'f3':
/projects/.../src/gcc/gcc/testsuite/gcc.c-torture/execute/stdarg-2.c:61:1:
error: incorrect sharing of tree nodes
aps[4]
# .MEM_5 = VDEF <.MEM_11>
aps[4] = aps[4];
/projects/.../src/gcc/gcc/testsuite/gcc.c-torture/execute/stdarg-2.c:61:1:
internal compiler error: verify_gimple failed
0xae4893 verify_gimple_in_cfg(function*, bool)
/projects/.../src/gcc/gcc/tree-cfg.c:5136
0x9e3f2f execute_function_todo
/projects/.../src/gcc/gcc/passes.c:1946
0x9e48d3 execute_todo
/projects/.../src/gcc/gcc/passes.c:2003
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
...
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug target/41089] [4.8/4.9/5/6 Regression] stdarg pass produces wrong code
[not found] <bug-41089-4@http.gcc.gnu.org/bugzilla/>
` (10 preceding siblings ...)
2015-04-21 6:59 ` [Bug target/41089] " ubizjak at gmail dot com
@ 2015-05-04 13:10 ` ro at gcc dot gnu.org
2015-05-05 10:40 ` vries at gcc dot gnu.org
12 siblings, 0 replies; 13+ messages in thread
From: ro at gcc dot gnu.org @ 2015-05-04 13:10 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41089
Bug 41089 depends on bug 64950, which changed state.
Bug 64950 Summary: postpone expanding va_arg till pass_stdarg
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64950
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|FIXED |---
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug target/41089] [4.8/4.9/5/6 Regression] stdarg pass produces wrong code
[not found] <bug-41089-4@http.gcc.gnu.org/bugzilla/>
` (11 preceding siblings ...)
2015-05-04 13:10 ` ro at gcc dot gnu.org
@ 2015-05-05 10:40 ` vries at gcc dot gnu.org
12 siblings, 0 replies; 13+ messages in thread
From: vries at gcc dot gnu.org @ 2015-05-05 10:40 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41089
Bug 41089 depends on bug 64950, which changed state.
Bug 64950 Summary: postpone expanding va_arg till pass_stdarg
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64950
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution|--- |FIXED
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[not found] <bug-41089-4@http.gcc.gnu.org/bugzilla/>
2010-12-16 13:26 ` [Bug tree-optimization/41089] [4.5/4.6 Regression] stdarg pass produces wrong code rguenth at gcc dot gnu.org
2011-04-28 16:20 ` [Bug tree-optimization/41089] [4.5/4.6/4.7 " rguenth at gcc dot gnu.org
2012-07-02 13:43 ` [Bug tree-optimization/41089] [4.6/4.7/4.8 " rguenth at gcc dot gnu.org
2013-04-12 15:18 ` [Bug tree-optimization/41089] [4.7/4.8/4.9 " jakub at gcc dot gnu.org
2014-06-12 13:49 ` [Bug tree-optimization/41089] [4.7/4.8/4.9/4.10 " rguenth at gcc dot gnu.org
2014-12-19 13:43 ` [Bug tree-optimization/41089] [4.8/4.9/5 " jakub at gcc dot gnu.org
2015-02-05 17:55 ` burnus at gcc dot gnu.org
2015-04-20 9:52 ` [Bug tree-optimization/41089] [4.8/4.9/5/6 " vries at gcc dot gnu.org
2015-04-20 10:09 ` ubizjak at gmail dot com
2015-04-21 6:24 ` ubizjak at gmail dot com
2015-04-21 6:59 ` [Bug target/41089] " ubizjak at gmail dot com
2015-05-04 13:10 ` ro at gcc dot gnu.org
2015-05-05 10:40 ` vries at gcc dot gnu.org
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