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* [Bug tree-optimization/47838] New: FAIL: gcc.dg/tree-ssa/foldconst-2.c scan-tree-dump-not optimized "fundamentals..0"
@ 2011-02-21 15:14 danglin at gcc dot gnu.org
2011-02-21 15:36 ` [Bug tree-optimization/47838] " danglin at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: danglin at gcc dot gnu.org @ 2011-02-21 15:14 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47838
Summary: FAIL: gcc.dg/tree-ssa/foldconst-2.c scan-tree-dump-not
optimized "fundamentals..0"
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: danglin@gcc.gnu.org
Host: hppa1.1-hp-hpux10.20
Target: hppa1.1-hp-hpux10.20
Build: hppa1.1-hp-hpux10.20
Executing on host: /xxx/gnu/gcc/objdir/gcc/xgcc -B/xxx/gnu/gcc/objdir/gcc/
/xxx/
gnu/gcc/gcc/gcc/testsuite/gcc.dg/tree-ssa/foldconst-2.c -O2
-fdump-tree-optimi
zed -S -o foldconst-2.s (timeout = 300)
PASS: gcc.dg/tree-ssa/foldconst-2.c (test for excess errors)
FAIL: gcc.dg/tree-ssa/foldconst-2.c scan-tree-dump-not optimized
"fundamentals.0
"
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/47838] FAIL: gcc.dg/tree-ssa/foldconst-2.c scan-tree-dump-not optimized "fundamentals..0"
2011-02-21 15:14 [Bug tree-optimization/47838] New: FAIL: gcc.dg/tree-ssa/foldconst-2.c scan-tree-dump-not optimized "fundamentals..0" danglin at gcc dot gnu.org
@ 2011-02-21 15:36 ` danglin at gcc dot gnu.org
2011-02-21 17:08 ` mikpe at it dot uu.se
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: danglin at gcc dot gnu.org @ 2011-02-21 15:36 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47838
--- Comment #1 from John David Anglin <danglin at gcc dot gnu.org> 2011-02-21 15:12:18 UTC ---
Created attachment 23427
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23427
Tree dump.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/47838] FAIL: gcc.dg/tree-ssa/foldconst-2.c scan-tree-dump-not optimized "fundamentals..0"
2011-02-21 15:14 [Bug tree-optimization/47838] New: FAIL: gcc.dg/tree-ssa/foldconst-2.c scan-tree-dump-not optimized "fundamentals..0" danglin at gcc dot gnu.org
2011-02-21 15:36 ` [Bug tree-optimization/47838] " danglin at gcc dot gnu.org
@ 2011-02-21 17:08 ` mikpe at it dot uu.se
2011-02-22 10:58 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: mikpe at it dot uu.se @ 2011-02-21 17:08 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47838
Mikael Pettersson <mikpe at it dot uu.se> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mikpe at it dot uu.se
--- Comment #2 from Mikael Pettersson <mikpe at it dot uu.se> 2011-02-21 17:03:34 UTC ---
I see the foldconst-2 failure also on powerpc64-linux, ever since the 20100904
trunk snapshot.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/47838] FAIL: gcc.dg/tree-ssa/foldconst-2.c scan-tree-dump-not optimized "fundamentals..0"
2011-02-21 15:14 [Bug tree-optimization/47838] New: FAIL: gcc.dg/tree-ssa/foldconst-2.c scan-tree-dump-not optimized "fundamentals..0" danglin at gcc dot gnu.org
2011-02-21 15:36 ` [Bug tree-optimization/47838] " danglin at gcc dot gnu.org
2011-02-21 17:08 ` mikpe at it dot uu.se
@ 2011-02-22 10:58 ` rguenth at gcc dot gnu.org
2011-02-23 16:32 ` danglin at gcc dot gnu.org
2011-02-23 16:44 ` danglin at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-02-22 10:58 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47838
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2011.02.22 10:56:25
Ever Confirmed|0 |1
--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-02-22 10:56:25 UTC ---
IVOPTs chooses (again) some unfortunate IV that is enough to confuse the
tree-dump scan.
ivtmp.6_6 = (long unsigned int) &fundamentals[1];
vs.
ivtmp.6_6 = (long unsigned int) &fundamentals[0];
The folding that is tested for should happen at loop header copying time.
Can you check if
Index: testsuite/gcc.dg/tree-ssa/foldconst-2.c
===================================================================
--- testsuite/gcc.dg/tree-ssa/foldconst-2.c (revision 170359)
+++ testsuite/gcc.dg/tree-ssa/foldconst-2.c (working copy)
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-optimized" } */
+/* { dg-options "-O2 -fdump-tree-ch" } */
typedef union tree_node *tree;
enum tree_code
{
@@ -54,5 +54,5 @@ emit_support_tinfos (void)
}
/* We should copy loop header to fundamentals[0] and then fold it way into
known value. */
-/* { dg-final { scan-tree-dump-not "fundamentals.0" "optimized"} } */
-/* { dg-final { cleanup-tree-dump "optimized" } } */
+/* { dg-final { scan-tree-dump-not "fundamentals.0" "ch"} } */
+/* { dg-final { cleanup-tree-dump "ch" } } */
works for you (it does for me) and commit it if so?
Thanks.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/47838] FAIL: gcc.dg/tree-ssa/foldconst-2.c scan-tree-dump-not optimized "fundamentals..0"
2011-02-21 15:14 [Bug tree-optimization/47838] New: FAIL: gcc.dg/tree-ssa/foldconst-2.c scan-tree-dump-not optimized "fundamentals..0" danglin at gcc dot gnu.org
` (2 preceding siblings ...)
2011-02-22 10:58 ` rguenth at gcc dot gnu.org
@ 2011-02-23 16:32 ` danglin at gcc dot gnu.org
2011-02-23 16:44 ` danglin at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: danglin at gcc dot gnu.org @ 2011-02-23 16:32 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47838
--- Comment #4 from John David Anglin <danglin at gcc dot gnu.org> 2011-02-23 15:53:56 UTC ---
Author: danglin
Date: Wed Feb 23 15:53:48 2011
New Revision: 170439
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170439
Log:
PR tree-optimization/47838
* gcc.dg/tree-ssa/foldconst-2.c: Scan tree-ch dump.
Modified:
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/tree-ssa/foldconst-2.c
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/47838] FAIL: gcc.dg/tree-ssa/foldconst-2.c scan-tree-dump-not optimized "fundamentals..0"
2011-02-21 15:14 [Bug tree-optimization/47838] New: FAIL: gcc.dg/tree-ssa/foldconst-2.c scan-tree-dump-not optimized "fundamentals..0" danglin at gcc dot gnu.org
` (3 preceding siblings ...)
2011-02-23 16:32 ` danglin at gcc dot gnu.org
@ 2011-02-23 16:44 ` danglin at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: danglin at gcc dot gnu.org @ 2011-02-23 16:44 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47838
John David Anglin <danglin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
--- Comment #5 from John David Anglin <danglin at gcc dot gnu.org> 2011-02-23 15:55:02 UTC ---
Fixed.
^ permalink raw reply [flat|nested] 6+ messages in thread
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2011-02-21 15:14 [Bug tree-optimization/47838] New: FAIL: gcc.dg/tree-ssa/foldconst-2.c scan-tree-dump-not optimized "fundamentals..0" danglin at gcc dot gnu.org
2011-02-21 15:36 ` [Bug tree-optimization/47838] " danglin at gcc dot gnu.org
2011-02-21 17:08 ` mikpe at it dot uu.se
2011-02-22 10:58 ` rguenth at gcc dot gnu.org
2011-02-23 16:32 ` danglin at gcc dot gnu.org
2011-02-23 16:44 ` danglin at gcc dot gnu.org
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