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* [Bug middle-end/34739] New: Need full backport of 28796
@ 2008-01-11 11:25 echristo at apple dot com
2008-01-11 11:27 ` [Bug middle-end/34739] " steven at gcc dot gnu dot org
` (10 more replies)
0 siblings, 11 replies; 12+ messages in thread
From: echristo at apple dot com @ 2008-01-11 11:25 UTC (permalink / raw)
To: gcc-bugs
Found a testcase that ice's the ppc-darwin backend at -O3 -ffast-math that is
fixed by the full backport of the patches in 28796. In particular, this part:
Author: rguenth
Date: Tue Oct 24 09:15:07 2006
New Revision: 118001
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=118001
Log:
2006-10-24 Richard Guenther <rguenther@suse.de>
PR middle-end/28796
* builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
for deciding optimizations in consistency with fold-const.c
(fold_builtin_unordered_cmp): Likewise.
* gcc.dg/pr28796-1.c: New testcase.
* gcc.dg/pr28796-1.c: Likewise.
Added:
trunk/gcc/testsuite/gcc.dg/pr28796-1.c
trunk/gcc/testsuite/gcc.dg/pr28796-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/builtins.c
trunk/gcc/testsuite/ChangeLog
Testcase:
#include <math.h>
int test2(double x, double y) {
return islessgreater(x, y);
}
--
Summary: Need full backport of 28796
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: rguenth at gcc dot gnu dot org
ReportedBy: echristo at apple dot com
GCC build triplet: powerpc-darwin9
GCC host triplet: powerpc-darwin9
GCC target triplet: powerpc-darwin9
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34739
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/34739] Need full backport of 28796
2008-01-11 11:25 [Bug middle-end/34739] New: Need full backport of 28796 echristo at apple dot com
@ 2008-01-11 11:27 ` steven at gcc dot gnu dot org
2008-01-11 11:38 ` echristo at apple dot com
` (9 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: steven at gcc dot gnu dot org @ 2008-01-11 11:27 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from steven at gcc dot gnu dot org 2008-01-11 11:09 -------
Not a regression, so won't be fixed in 4.2.
--
steven at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |INVALID
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34739
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/34739] Need full backport of 28796
2008-01-11 11:25 [Bug middle-end/34739] New: Need full backport of 28796 echristo at apple dot com
2008-01-11 11:27 ` [Bug middle-end/34739] " steven at gcc dot gnu dot org
@ 2008-01-11 11:38 ` echristo at apple dot com
2008-01-11 11:44 ` steven at gcc dot gnu dot org
` (8 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: echristo at apple dot com @ 2008-01-11 11:38 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from echristo at apple dot com 2008-01-11 11:19 -------
Doesn't ice under 4.0 so it is a regression.
--
echristo at apple dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |UNCONFIRMED
Resolution|INVALID |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34739
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/34739] Need full backport of 28796
2008-01-11 11:25 [Bug middle-end/34739] New: Need full backport of 28796 echristo at apple dot com
2008-01-11 11:27 ` [Bug middle-end/34739] " steven at gcc dot gnu dot org
2008-01-11 11:38 ` echristo at apple dot com
@ 2008-01-11 11:44 ` steven at gcc dot gnu dot org
2008-01-11 11:48 ` echristo at apple dot com
` (7 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: steven at gcc dot gnu dot org @ 2008-01-11 11:44 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from steven at gcc dot gnu dot org 2008-01-11 11:24 -------
So where is the "a testcase" that you found?
And why, pray tell, assign the bug to Richi instead of just trying to backport
it yourself? ;-)
--
steven at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34739
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/34739] Need full backport of 28796
2008-01-11 11:25 [Bug middle-end/34739] New: Need full backport of 28796 echristo at apple dot com
` (2 preceding siblings ...)
2008-01-11 11:44 ` steven at gcc dot gnu dot org
@ 2008-01-11 11:48 ` echristo at apple dot com
2008-01-11 12:16 ` pinskia at gcc dot gnu dot org
` (6 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: echristo at apple dot com @ 2008-01-11 11:48 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from echristo at apple dot com 2008-01-11 11:26 -------
It's in the bug and I have assignment issues currently and he asked me to?
--
echristo at apple dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed|0000-00-00 00:00:00 |2008-01-11 11:26:22
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34739
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/34739] Need full backport of 28796
2008-01-11 11:25 [Bug middle-end/34739] New: Need full backport of 28796 echristo at apple dot com
` (3 preceding siblings ...)
2008-01-11 11:48 ` echristo at apple dot com
@ 2008-01-11 12:16 ` pinskia at gcc dot gnu dot org
2008-01-11 13:09 ` pinskia at gcc dot gnu dot org
` (5 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2008-01-11 12:16 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from pinskia at gcc dot gnu dot org 2008-01-11 11:38 -------
Preprocessed source? The testcase listed here is not going to show the issue
on most targets anyways.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34739
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/34739] Need full backport of 28796
2008-01-11 11:25 [Bug middle-end/34739] New: Need full backport of 28796 echristo at apple dot com
` (4 preceding siblings ...)
2008-01-11 12:16 ` pinskia at gcc dot gnu dot org
@ 2008-01-11 13:09 ` pinskia at gcc dot gnu dot org
2008-01-11 13:10 ` echristo at apple dot com
` (4 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2008-01-11 13:09 UTC (permalink / raw)
To: gcc-bugs
------- Comment #6 from pinskia at gcc dot gnu dot org 2008-01-11 11:48 -------
(In reply to comment #4)
> It's in the bug and I have assignment issues currently and he asked me to?
You mean Apple has issues, not you technically and legally IIRC.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34739
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/34739] [4.2 Regression] Need full backport of 28796
2008-01-11 11:25 [Bug middle-end/34739] New: Need full backport of 28796 echristo at apple dot com
` (6 preceding siblings ...)
2008-01-11 13:10 ` echristo at apple dot com
@ 2008-01-11 13:10 ` rguenth at gcc dot gnu dot org
2008-01-20 4:51 ` pinskia at gcc dot gnu dot org
` (2 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2008-01-11 13:10 UTC (permalink / raw)
To: gcc-bugs
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |ASSIGNED
Ever Confirmed|0 |1
Known to work| |4.0.3 4.3.0
Last reconfirmed|2008-01-11 11:26:22 |2008-01-11 12:15:31
date| |
Summary|Need full backport of 28796 |[4.2 Regression] Need full
| |backport of 28796
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34739
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/34739] Need full backport of 28796
2008-01-11 11:25 [Bug middle-end/34739] New: Need full backport of 28796 echristo at apple dot com
` (5 preceding siblings ...)
2008-01-11 13:09 ` pinskia at gcc dot gnu dot org
@ 2008-01-11 13:10 ` echristo at apple dot com
2008-01-11 13:10 ` [Bug middle-end/34739] [4.2 Regression] " rguenth at gcc dot gnu dot org
` (3 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: echristo at apple dot com @ 2008-01-11 13:10 UTC (permalink / raw)
To: gcc-bugs
------- Comment #7 from echristo at apple dot com 2008-01-11 11:48 -------
Created an attachment (id=14923)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14923&action=view)
testcase
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34739
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/34739] [4.2 Regression] Need full backport of 28796
2008-01-11 11:25 [Bug middle-end/34739] New: Need full backport of 28796 echristo at apple dot com
` (7 preceding siblings ...)
2008-01-11 13:10 ` [Bug middle-end/34739] [4.2 Regression] " rguenth at gcc dot gnu dot org
@ 2008-01-20 4:51 ` pinskia at gcc dot gnu dot org
2008-01-22 14:49 ` rguenth at gcc dot gnu dot org
2008-01-22 14:54 ` rguenth at gcc dot gnu dot org
10 siblings, 0 replies; 12+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2008-01-20 4:51 UTC (permalink / raw)
To: gcc-bugs
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.2.3
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34739
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/34739] [4.2 Regression] Need full backport of 28796
2008-01-11 11:25 [Bug middle-end/34739] New: Need full backport of 28796 echristo at apple dot com
` (8 preceding siblings ...)
2008-01-20 4:51 ` pinskia at gcc dot gnu dot org
@ 2008-01-22 14:49 ` rguenth at gcc dot gnu dot org
2008-01-22 14:54 ` rguenth at gcc dot gnu dot org
10 siblings, 0 replies; 12+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2008-01-22 14:49 UTC (permalink / raw)
To: gcc-bugs
------- Comment #8 from rguenth at gcc dot gnu dot org 2008-01-22 14:46 -------
Subject: Bug 34739
Author: rguenth
Date: Tue Jan 22 14:45:56 2008
New Revision: 131723
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=131723
Log:
2008-01-22 Richard Guenther <rguenther@suse.de>
PR middle-end/34739
Backport from mainline
2008-01-16 Richard Guenther <rguenther@suse.de>
PR c/34768
* c-typeck.c (common_pointer_type): Do not merge inconsistent
type qualifiers for function types.
2007-11-12 Richard Guenther <rguenther@suse.de>
PR middle-end/34070
* fold-const.c (fold_binary): If testing for non-negative
operands with tree_expr_nonnegative_warnv_p make sure to
use op0 which has all (sign) conversions retained.
2006-10-24 Richard Guenther <rguenther@suse.de>
PR middle-end/28796
* builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
for deciding optimizations in consistency with fold-const.c
(fold_builtin_unordered_cmp): Likewise.
Added:
branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/pr34070-1.c
- copied unchanged from r130098,
trunk/gcc/testsuite/gcc.c-torture/execute/pr34070-1.c
branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/pr34070-2.c
- copied unchanged from r130098,
trunk/gcc/testsuite/gcc.c-torture/execute/pr34070-2.c
branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/pr34768-1.c
- copied unchanged from r131568,
trunk/gcc/testsuite/gcc.c-torture/execute/pr34768-1.c
branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/pr34768-2.c
- copied unchanged from r131568,
trunk/gcc/testsuite/gcc.c-torture/execute/pr34768-2.c
branches/gcc-4_2-branch/gcc/testsuite/gcc.dg/pr28796-1.c
- copied unchanged from r118001, trunk/gcc/testsuite/gcc.dg/pr28796-1.c
branches/gcc-4_2-branch/gcc/testsuite/gcc.dg/pr28796-2.c
- copied unchanged from r118001, trunk/gcc/testsuite/gcc.dg/pr28796-2.c
Modified:
branches/gcc-4_2-branch/gcc/ChangeLog
branches/gcc-4_2-branch/gcc/builtins.c
branches/gcc-4_2-branch/gcc/c-typeck.c
branches/gcc-4_2-branch/gcc/fold-const.c
branches/gcc-4_2-branch/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34739
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/34739] [4.2 Regression] Need full backport of 28796
2008-01-11 11:25 [Bug middle-end/34739] New: Need full backport of 28796 echristo at apple dot com
` (9 preceding siblings ...)
2008-01-22 14:49 ` rguenth at gcc dot gnu dot org
@ 2008-01-22 14:54 ` rguenth at gcc dot gnu dot org
10 siblings, 0 replies; 12+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2008-01-22 14:54 UTC (permalink / raw)
To: gcc-bugs
------- Comment #9 from rguenth at gcc dot gnu dot org 2008-01-22 14:50 -------
Fixed.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34739
^ permalink raw reply [flat|nested] 12+ messages in thread
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2008-01-11 11:25 [Bug middle-end/34739] New: Need full backport of 28796 echristo at apple dot com
2008-01-11 11:27 ` [Bug middle-end/34739] " steven at gcc dot gnu dot org
2008-01-11 11:38 ` echristo at apple dot com
2008-01-11 11:44 ` steven at gcc dot gnu dot org
2008-01-11 11:48 ` echristo at apple dot com
2008-01-11 12:16 ` pinskia at gcc dot gnu dot org
2008-01-11 13:09 ` pinskia at gcc dot gnu dot org
2008-01-11 13:10 ` echristo at apple dot com
2008-01-11 13:10 ` [Bug middle-end/34739] [4.2 Regression] " rguenth at gcc dot gnu dot org
2008-01-20 4:51 ` pinskia at gcc dot gnu dot org
2008-01-22 14:49 ` rguenth at gcc dot gnu dot org
2008-01-22 14:54 ` rguenth at gcc dot gnu dot org
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