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* [Bug tree-optimization/44050] New: Wrong code is produced with -fipa-pta -fno-tree-pta
@ 2010-05-09 18:32 zsojka at seznam dot cz
2010-05-09 18:34 ` [Bug tree-optimization/44050] " zsojka at seznam dot cz
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: zsojka at seznam dot cz @ 2010-05-09 18:32 UTC (permalink / raw)
To: gcc-bugs
Tested revisions:
r159202 - fail
r159152 - fail
Compiler output:
$ gcc -O1 -fipa-cp -fipa-pta -fno-tree-pta testcase.c -DDEBUG && ./a.out
res = 0
Aborted
Corrent coutput:
$ gcc testcase.c -DDEBUG && ./a.out
res = 500500
--
Summary: Wrong code is produced with -fipa-pta -fno-tree-pta
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: zsojka at seznam dot cz
GCC host triplet: x86_64-pc-linux-gnu
GCC target triplet: x86_64-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44050
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/44050] Wrong code is produced with -fipa-pta -fno-tree-pta
2010-05-09 18:32 [Bug tree-optimization/44050] New: Wrong code is produced with -fipa-pta -fno-tree-pta zsojka at seznam dot cz
@ 2010-05-09 18:34 ` zsojka at seznam dot cz
2010-05-09 18:41 ` rguenth at gcc dot gnu dot org
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: zsojka at seznam dot cz @ 2010-05-09 18:34 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from zsojka at seznam dot cz 2010-05-09 18:34 -------
Created an attachment (id=20613)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20613&action=view)
reduced testcase (from testsuite/gcc.dg/graphite/interchange-10.c)
Command line:
$ gcc -O1 -fipa-cp -fipa-pta -fno-tree-pta testcase.c && ./a.out
Aborted
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44050
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/44050] Wrong code is produced with -fipa-pta -fno-tree-pta
2010-05-09 18:32 [Bug tree-optimization/44050] New: Wrong code is produced with -fipa-pta -fno-tree-pta zsojka at seznam dot cz
2010-05-09 18:34 ` [Bug tree-optimization/44050] " zsojka at seznam dot cz
@ 2010-05-09 18:41 ` rguenth at gcc dot gnu dot org
2010-05-09 18:43 ` zsojka at seznam dot cz
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-05-09 18:41 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from rguenth at gcc dot gnu dot org 2010-05-09 18:41 -------
Mine.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |rguenth at gcc dot gnu dot
|dot org |org
Status|UNCONFIRMED |ASSIGNED
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2010-05-09 18:41:02
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44050
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/44050] Wrong code is produced with -fipa-pta -fno-tree-pta
2010-05-09 18:32 [Bug tree-optimization/44050] New: Wrong code is produced with -fipa-pta -fno-tree-pta zsojka at seznam dot cz
2010-05-09 18:34 ` [Bug tree-optimization/44050] " zsojka at seznam dot cz
2010-05-09 18:41 ` rguenth at gcc dot gnu dot org
@ 2010-05-09 18:43 ` zsojka at seznam dot cz
2010-05-09 20:49 ` rguenth at gcc dot gnu dot org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: zsojka at seznam dot cz @ 2010-05-09 18:43 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from zsojka at seznam dot cz 2010-05-09 18:43 -------
Created an attachment (id=20616)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20616&action=view)
even shorter testcase
$ gcc -O1 -fipa-cp -fipa-pta -fno-tree-pta pr44050-2.c && ./a.out
Aborted
--
zsojka at seznam dot cz changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #20613|0 |1
is obsolete| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44050
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/44050] Wrong code is produced with -fipa-pta -fno-tree-pta
2010-05-09 18:32 [Bug tree-optimization/44050] New: Wrong code is produced with -fipa-pta -fno-tree-pta zsojka at seznam dot cz
` (2 preceding siblings ...)
2010-05-09 18:43 ` zsojka at seznam dot cz
@ 2010-05-09 20:49 ` rguenth at gcc dot gnu dot org
2010-05-10 8:56 ` rguenth at gcc dot gnu dot org
2010-05-10 8:56 ` rguenth at gcc dot gnu dot org
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-05-09 20:49 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from rguenth at gcc dot gnu dot org 2010-05-09 20:49 -------
Hm. The issue is we do not clone the ipa-pta flag in gimple_df but transfer
ipa-pta info based on the setting of the flag in the src. This confuses
us later.
I have a patch.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44050
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/44050] Wrong code is produced with -fipa-pta -fno-tree-pta
2010-05-09 18:32 [Bug tree-optimization/44050] New: Wrong code is produced with -fipa-pta -fno-tree-pta zsojka at seznam dot cz
` (3 preceding siblings ...)
2010-05-09 20:49 ` rguenth at gcc dot gnu dot org
@ 2010-05-10 8:56 ` rguenth at gcc dot gnu dot org
2010-05-10 8:56 ` rguenth at gcc dot gnu dot org
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-05-10 8:56 UTC (permalink / raw)
To: gcc-bugs
------- Comment #6 from rguenth at gcc dot gnu dot org 2010-05-10 08:56 -------
Fixed.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
Target Milestone|--- |4.6.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44050
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/44050] Wrong code is produced with -fipa-pta -fno-tree-pta
2010-05-09 18:32 [Bug tree-optimization/44050] New: Wrong code is produced with -fipa-pta -fno-tree-pta zsojka at seznam dot cz
` (4 preceding siblings ...)
2010-05-10 8:56 ` rguenth at gcc dot gnu dot org
@ 2010-05-10 8:56 ` rguenth at gcc dot gnu dot org
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-05-10 8:56 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from rguenth at gcc dot gnu dot org 2010-05-10 08:55 -------
Subject: Bug 44050
Author: rguenth
Date: Mon May 10 08:55:32 2010
New Revision: 159214
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=159214
Log:
2010-05-10 Richard Guenther <rguenther@suse.de>
PR tree-optimization/44050
* tree-inline.c (tree_function_versioning): Clone the ipa-pta
flag.
* gcc.dg/torture/pr44050.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr44050.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-inline.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44050
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2010-05-10 8:56 UTC | newest]
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2010-05-09 18:32 [Bug tree-optimization/44050] New: Wrong code is produced with -fipa-pta -fno-tree-pta zsojka at seznam dot cz
2010-05-09 18:34 ` [Bug tree-optimization/44050] " zsojka at seznam dot cz
2010-05-09 18:41 ` rguenth at gcc dot gnu dot org
2010-05-09 18:43 ` zsojka at seznam dot cz
2010-05-09 20:49 ` rguenth at gcc dot gnu dot org
2010-05-10 8:56 ` rguenth at gcc dot gnu dot org
2010-05-10 8:56 ` rguenth at gcc dot gnu dot org
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