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* [Bug tree-optimization/38405] New: Regression (silent failure) handling bitfield in ternary
@ 2008-12-04 17:37 gcc-bugzilla at gcc dot gnu dot org
2008-12-04 17:46 ` [Bug tree-optimization/38405] " ldoolitt at recycle dot lbl dot gov
` (14 more replies)
0 siblings, 15 replies; 16+ messages in thread
From: gcc-bugzilla at gcc dot gnu dot org @ 2008-12-04 17:37 UTC (permalink / raw)
To: gcc-bugs
In the context of a function returning int, and rfp->signed is a
one-bit field,
return rfp->signed_flag ? 1 : 0;
yields -1. This is an optimization problem, seen with -O2 but not -O1.
Isolated to -ftree-vrp. Not seen in gcc-4.3 or earlier.
Environment:
System: Linux recycle 2.6.26-1-amd64 #1 SMP Sat Oct 18 15:27:18 UTC 2008 x86_64
GNU/Linux
host: x86_64-pc-linux-gnu
build: x86_64-pc-linux-gnu
target: x86_64-pc-linux-gnu
configured with: ../src/configure -v --with-pkgversion='Debian 20081130-1'
--with-bugurl=file:///usr/share/doc/gcc-snapshot/README.Bugs
--enable-languages=c,c++,java,fortran,objc,obj-c++,ada
--prefix=/usr/lib/gcc-snapshot --enable-shared --with-system-zlib --disable-nls
--enable-clocale=gnu --enable-libstdcxx-debug --enable-java-awt=gtk
--enable-gtk-cairo --disable-plugin
--with-java-home=/usr/lib/gcc-snapshot/java-1.5.0-gcj-4.4-1.5.0.0/jre
--enable-java-home --with-jvm-root-dir=/usr/lib/gcc-snapshot/jvm
--with-jvm-jar-dir=/usr/lib/gcc-snapshot/jvm-exports
--with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-mpfr
--enable-cld --disable-werror --build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu
How-To-Repeat:
Short way:
$ gcc -Wall -O1 -ftree-vrp ternbug.c -o ternbug && ./ternbug
Hello world: -1
FAIL
$
Long way:
$ /usr/lib/gcc-snapshot/libexec/gcc/x86_64-linux-gnu/4.4.0/cc1 -fpreprocessed
ternbug.i -quiet -dumpbase ternbug.c -mtune=generic -auxbase ternbug -O1
-ftree-vrp -version -o ternbug.s
GNU C (Debian 20081130-1) version 4.4.0 20081130 (experimental) [trunk revision
142292] (x86_64-linux-gnu)
compiled by GNU C version 4.4.0 20081130 (experimental) [trunk revision
142292], GMP version 4.2.2, MPFR version 2.3.2.
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: ef8facef55b835d47393957737fa78a4
$ as -V -Qy -o ternbug.o ternbug.s
GNU assembler version 2.18.0 (x86_64-linux-gnu) using BFD version (GNU Binutils
for Debian) 2.18.0.20080103
$ /usr/lib/gcc-snapshot/libexec/gcc/x86_64-linux-gnu/4.4.0/collect2
--eh-frame-hdr -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o
ternbug /usr/lib/../lib/crt1.o /usr/lib/../lib/crti.o
/usr/lib/gcc-snapshot/lib/gcc/x86_64-linux-gnu/4.4.0/crtbegin.o
-L/usr/lib/gcc-snapshot/lib/gcc/x86_64-linux-gnu/4.4.0
-L/usr/lib/gcc-snapshot/lib/gcc/x86_64-linux-gnu/4.4.0/../../../../lib
-L/lib/../lib -L/usr/lib/../lib
-L/usr/lib/gcc-snapshot/lib/gcc/x86_64-linux-gnu/4.4.0/../../.. ternbug.o -lgcc
--as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed
/usr/lib/gcc-snapshot/lib/gcc/x86_64-linux-gnu/4.4.0/crtend.o
/usr/lib/../lib/crtn.o
$ ./ternbug
Hello world: -1
FAIL
$
Minimal test case, ternbug.{c,i}:
extern int printf (__const char *__restrict __format, ...);
struct vpiBinaryConst {
int signed_flag :1;
int sized_flag :1;
};
int binary_get(int code, struct vpiBinaryConst *rfp)
{
switch (code) {
case 1:
return rfp->signed_flag ? 1 : 0;
default:
printf("error: %d not supported\n", code);
return 0;
}
}
------- Comment #1 from ldoolitt at recycle dot lbl dot gov 2008-12-04 17:36 -------
Fix:
Work around by reducing optimization, e.g., from -O2 to -O1
--
Summary: Regression (silent failure) handling bitfield in ternary
Product: gcc
Version: 4.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: ldoolitt at recycle dot lbl dot gov
GCC build triplet: x86_64-pc-linux-gnu
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=38405
^ permalink raw reply [flat|nested] 16+ messages in thread
* [Bug tree-optimization/38405] Regression (silent failure) handling bitfield in ternary
2008-12-04 17:37 [Bug tree-optimization/38405] New: Regression (silent failure) handling bitfield in ternary gcc-bugzilla at gcc dot gnu dot org
@ 2008-12-04 17:46 ` ldoolitt at recycle dot lbl dot gov
2008-12-04 20:37 ` hjl dot tools at gmail dot com
` (13 subsequent siblings)
14 siblings, 0 replies; 16+ messages in thread
From: ldoolitt at recycle dot lbl dot gov @ 2008-12-04 17:46 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from ldoolitt at recycle dot lbl dot gov 2008-12-04 17:45 -------
Created an attachment (id=16827)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16827&action=view)
test case source (preprocessed)
Test case source in "how to reproduce" got chopped. Sorry. Here it is in the
form of an attachment.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38405
^ permalink raw reply [flat|nested] 16+ messages in thread
* [Bug tree-optimization/38405] Regression (silent failure) handling bitfield in ternary
2008-12-04 17:37 [Bug tree-optimization/38405] New: Regression (silent failure) handling bitfield in ternary gcc-bugzilla at gcc dot gnu dot org
2008-12-04 17:46 ` [Bug tree-optimization/38405] " ldoolitt at recycle dot lbl dot gov
@ 2008-12-04 20:37 ` hjl dot tools at gmail dot com
2008-12-04 20:39 ` [Bug tree-optimization/38405] [4.4 Regression] " hjl dot tools at gmail dot com
` (12 subsequent siblings)
14 siblings, 0 replies; 16+ messages in thread
From: hjl dot tools at gmail dot com @ 2008-12-04 20:37 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from hjl dot tools at gmail dot com 2008-12-04 20:35 -------
It is caused by revision 140288:
http://gcc.gnu.org/ml/gcc-patches/2008-08/msg01925.html
--
hjl dot tools at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |bonzini at gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38405
^ permalink raw reply [flat|nested] 16+ messages in thread
* [Bug tree-optimization/38405] [4.4 Regression] (silent failure) handling bitfield in ternary
2008-12-04 17:37 [Bug tree-optimization/38405] New: Regression (silent failure) handling bitfield in ternary gcc-bugzilla at gcc dot gnu dot org
2008-12-04 17:46 ` [Bug tree-optimization/38405] " ldoolitt at recycle dot lbl dot gov
2008-12-04 20:37 ` hjl dot tools at gmail dot com
@ 2008-12-04 20:39 ` hjl dot tools at gmail dot com
2008-12-05 9:08 ` bonzini at gnu dot org
` (11 subsequent siblings)
14 siblings, 0 replies; 16+ messages in thread
From: hjl dot tools at gmail dot com @ 2008-12-04 20:39 UTC (permalink / raw)
To: gcc-bugs
--
hjl dot tools at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |hjl dot tools at gmail dot
| |com
Summary|Regression (silent failure) |[4.4 Regression] (silent
|handling bitfield in ternary|failure) handling bitfield
| |in ternary
Target Milestone|--- |4.4.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38405
^ permalink raw reply [flat|nested] 16+ messages in thread
* [Bug tree-optimization/38405] [4.4 Regression] (silent failure) handling bitfield in ternary
2008-12-04 17:37 [Bug tree-optimization/38405] New: Regression (silent failure) handling bitfield in ternary gcc-bugzilla at gcc dot gnu dot org
` (2 preceding siblings ...)
2008-12-04 20:39 ` [Bug tree-optimization/38405] [4.4 Regression] " hjl dot tools at gmail dot com
@ 2008-12-05 9:08 ` bonzini at gnu dot org
2008-12-05 11:25 ` rguenth at gcc dot gnu dot org
` (10 subsequent siblings)
14 siblings, 0 replies; 16+ messages in thread
From: bonzini at gnu dot org @ 2008-12-05 9:08 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from bonzini at gnu dot org 2008-12-05 09:02 -------
I'll look at it in a couple of days. In the meanwhile, could you please attach
the dumps of vrp and the pass just before it?
--
bonzini at gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |bonzini at gnu dot org
|dot org |
Status|UNCONFIRMED |ASSIGNED
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2008-12-05 09:02:53
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38405
^ permalink raw reply [flat|nested] 16+ messages in thread
* [Bug tree-optimization/38405] [4.4 Regression] (silent failure) handling bitfield in ternary
2008-12-04 17:37 [Bug tree-optimization/38405] New: Regression (silent failure) handling bitfield in ternary gcc-bugzilla at gcc dot gnu dot org
` (3 preceding siblings ...)
2008-12-05 9:08 ` bonzini at gnu dot org
@ 2008-12-05 11:25 ` rguenth at gcc dot gnu dot org
2008-12-05 15:44 ` bonzini at gnu dot org
` (9 subsequent siblings)
14 siblings, 0 replies; 16+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2008-12-05 11:25 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from rguenth at gcc dot gnu dot org 2008-12-05 11:23 -------
The error is likely
Folding statement: D.1241_5 = D.1242_4 != 0;
Folded into: D.1241_5 = (int) D.1242_4;
which is wrong for
<unnamed-signed:1> D.1242;
because it sign-extends.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |4.3.2
Priority|P3 |P1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38405
^ permalink raw reply [flat|nested] 16+ messages in thread
* [Bug tree-optimization/38405] [4.4 Regression] (silent failure) handling bitfield in ternary
2008-12-04 17:37 [Bug tree-optimization/38405] New: Regression (silent failure) handling bitfield in ternary gcc-bugzilla at gcc dot gnu dot org
` (4 preceding siblings ...)
2008-12-05 11:25 ` rguenth at gcc dot gnu dot org
@ 2008-12-05 15:44 ` bonzini at gnu dot org
2008-12-07 16:18 ` hjl dot tools at gmail dot com
` (8 subsequent siblings)
14 siblings, 0 replies; 16+ messages in thread
From: bonzini at gnu dot org @ 2008-12-05 15:44 UTC (permalink / raw)
To: gcc-bugs
------- Comment #6 from bonzini at gnu dot org 2008-12-05 15:42 -------
Subject: Re: [4.4 Regression] (silent failure)
handling bitfield in ternary
> Folding statement: D.1241_5 = D.1242_4 != 0;
> Folded into: D.1241_5 = (int) D.1242_4;
>
> which is wrong for
>
> <unnamed-signed:1> D.1242;
>
> because it sign-extends.
So it's probably in fold-const.c and latent in 4.3 too...
Paolo
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38405
^ permalink raw reply [flat|nested] 16+ messages in thread
* [Bug tree-optimization/38405] [4.4 Regression] (silent failure) handling bitfield in ternary
2008-12-04 17:37 [Bug tree-optimization/38405] New: Regression (silent failure) handling bitfield in ternary gcc-bugzilla at gcc dot gnu dot org
` (5 preceding siblings ...)
2008-12-05 15:44 ` bonzini at gnu dot org
@ 2008-12-07 16:18 ` hjl dot tools at gmail dot com
2008-12-07 16:31 ` rguenth at gcc dot gnu dot org
` (7 subsequent siblings)
14 siblings, 0 replies; 16+ messages in thread
From: hjl dot tools at gmail dot com @ 2008-12-07 16:18 UTC (permalink / raw)
To: gcc-bugs
------- Comment #7 from hjl dot tools at gmail dot com 2008-12-07 16:17 -------
This bug disappeared between revision 142341 and revision 142508.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38405
^ permalink raw reply [flat|nested] 16+ messages in thread
* [Bug tree-optimization/38405] [4.4 Regression] (silent failure) handling bitfield in ternary
2008-12-04 17:37 [Bug tree-optimization/38405] New: Regression (silent failure) handling bitfield in ternary gcc-bugzilla at gcc dot gnu dot org
` (6 preceding siblings ...)
2008-12-07 16:18 ` hjl dot tools at gmail dot com
@ 2008-12-07 16:31 ` rguenth at gcc dot gnu dot org
2008-12-07 16:45 ` hjl at gcc dot gnu dot org
` (6 subsequent siblings)
14 siblings, 0 replies; 16+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2008-12-07 16:31 UTC (permalink / raw)
To: gcc-bugs
------- Comment #8 from rguenth at gcc dot gnu dot org 2008-12-07 16:29 -------
Maybe it's just gone latent ...
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38405
^ permalink raw reply [flat|nested] 16+ messages in thread
* [Bug tree-optimization/38405] [4.4 Regression] (silent failure) handling bitfield in ternary
2008-12-04 17:37 [Bug tree-optimization/38405] New: Regression (silent failure) handling bitfield in ternary gcc-bugzilla at gcc dot gnu dot org
` (7 preceding siblings ...)
2008-12-07 16:31 ` rguenth at gcc dot gnu dot org
@ 2008-12-07 16:45 ` hjl at gcc dot gnu dot org
2008-12-07 17:20 ` hjl dot tools at gmail dot com
` (5 subsequent siblings)
14 siblings, 0 replies; 16+ messages in thread
From: hjl at gcc dot gnu dot org @ 2008-12-07 16:45 UTC (permalink / raw)
To: gcc-bugs
------- Comment #9 from hjl at gcc dot gnu dot org 2008-12-07 16:44 -------
Subject: Bug 38405
Author: hjl
Date: Sun Dec 7 16:43:15 2008
New Revision: 142538
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142538
Log:
2008-12-07 H.J. Lu <hongjiu.lu@intel.com>
PR tree-optimization/38405
* gcc.dg/torture/pr38405.c: New.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr38405.c
Modified:
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38405
^ permalink raw reply [flat|nested] 16+ messages in thread
* [Bug tree-optimization/38405] [4.4 Regression] (silent failure) handling bitfield in ternary
2008-12-04 17:37 [Bug tree-optimization/38405] New: Regression (silent failure) handling bitfield in ternary gcc-bugzilla at gcc dot gnu dot org
` (8 preceding siblings ...)
2008-12-07 16:45 ` hjl at gcc dot gnu dot org
@ 2008-12-07 17:20 ` hjl dot tools at gmail dot com
2008-12-07 17:41 ` hjl dot tools at gmail dot com
` (4 subsequent siblings)
14 siblings, 0 replies; 16+ messages in thread
From: hjl dot tools at gmail dot com @ 2008-12-07 17:20 UTC (permalink / raw)
To: gcc-bugs
------- Comment #10 from hjl dot tools at gmail dot com 2008-12-07 17:17 -------
It is fixed by revision 142483:
http://gcc.gnu.org/ml/gcc-patches/2008-12/msg00341.html
--
hjl dot tools at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38405
^ permalink raw reply [flat|nested] 16+ messages in thread
* [Bug tree-optimization/38405] [4.4 Regression] (silent failure) handling bitfield in ternary
2008-12-04 17:37 [Bug tree-optimization/38405] New: Regression (silent failure) handling bitfield in ternary gcc-bugzilla at gcc dot gnu dot org
` (9 preceding siblings ...)
2008-12-07 17:20 ` hjl dot tools at gmail dot com
@ 2008-12-07 17:41 ` hjl dot tools at gmail dot com
2008-12-07 18:55 ` rguenth at gcc dot gnu dot org
` (3 subsequent siblings)
14 siblings, 0 replies; 16+ messages in thread
From: hjl dot tools at gmail dot com @ 2008-12-07 17:41 UTC (permalink / raw)
To: gcc-bugs
------- Comment #11 from hjl dot tools at gmail dot com 2008-12-07 17:39 -------
Oops. It is revision 142484:
http://gcc.gnu.org/ml/gcc-patches/2008-12/msg00340.html
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38405
^ permalink raw reply [flat|nested] 16+ messages in thread
* [Bug tree-optimization/38405] [4.4 Regression] (silent failure) handling bitfield in ternary
2008-12-04 17:37 [Bug tree-optimization/38405] New: Regression (silent failure) handling bitfield in ternary gcc-bugzilla at gcc dot gnu dot org
` (10 preceding siblings ...)
2008-12-07 17:41 ` hjl dot tools at gmail dot com
@ 2008-12-07 18:55 ` rguenth at gcc dot gnu dot org
2008-12-07 19:23 ` rguenth at gcc dot gnu dot org
` (2 subsequent siblings)
14 siblings, 0 replies; 16+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2008-12-07 18:55 UTC (permalink / raw)
To: gcc-bugs
------- Comment #12 from rguenth at gcc dot gnu dot org 2008-12-07 18:52 -------
We now get
D.1254 = BIT_FIELD_REF <*rfp, 8, 0>;
D.1255 = D.1254 & 1;
D.1253 = D.1255 != 0;
which causes missed optimizations. Jakub - can you disable the bit-field-ref
folding for single tests like this?
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38405
^ permalink raw reply [flat|nested] 16+ messages in thread
* [Bug tree-optimization/38405] [4.4 Regression] (silent failure) handling bitfield in ternary
2008-12-04 17:37 [Bug tree-optimization/38405] New: Regression (silent failure) handling bitfield in ternary gcc-bugzilla at gcc dot gnu dot org
` (11 preceding siblings ...)
2008-12-07 18:55 ` rguenth at gcc dot gnu dot org
@ 2008-12-07 19:23 ` rguenth at gcc dot gnu dot org
2008-12-07 20:35 ` rguenth at gcc dot gnu dot org
2008-12-07 20:36 ` rguenth at gcc dot gnu dot org
14 siblings, 0 replies; 16+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2008-12-07 19:23 UTC (permalink / raw)
To: gcc-bugs
------- Comment #13 from rguenth at gcc dot gnu dot org 2008-12-07 19:20 -------
It's not fixed. Jakub just made it latent. I am testing a real fix.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|FIXED |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38405
^ permalink raw reply [flat|nested] 16+ messages in thread
* [Bug tree-optimization/38405] [4.4 Regression] (silent failure) handling bitfield in ternary
2008-12-04 17:37 [Bug tree-optimization/38405] New: Regression (silent failure) handling bitfield in ternary gcc-bugzilla at gcc dot gnu dot org
` (12 preceding siblings ...)
2008-12-07 19:23 ` rguenth at gcc dot gnu dot org
@ 2008-12-07 20:35 ` rguenth at gcc dot gnu dot org
2008-12-07 20:36 ` rguenth at gcc dot gnu dot org
14 siblings, 0 replies; 16+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2008-12-07 20:35 UTC (permalink / raw)
To: gcc-bugs
------- Comment #15 from rguenth at gcc dot gnu dot org 2008-12-07 20:34 -------
Subject: Bug 38405
Author: rguenth
Date: Sun Dec 7 20:33:07 2008
New Revision: 142539
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142539
Log:
2008-12-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38405
* tree-vrp.c (simplify_truth_ops_using_ranges): Make sure to
not sign-extend truth values.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-vrp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38405
^ permalink raw reply [flat|nested] 16+ messages in thread
* [Bug tree-optimization/38405] [4.4 Regression] (silent failure) handling bitfield in ternary
2008-12-04 17:37 [Bug tree-optimization/38405] New: Regression (silent failure) handling bitfield in ternary gcc-bugzilla at gcc dot gnu dot org
` (13 preceding siblings ...)
2008-12-07 20:35 ` rguenth at gcc dot gnu dot org
@ 2008-12-07 20:36 ` rguenth at gcc dot gnu dot org
14 siblings, 0 replies; 16+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2008-12-07 20:36 UTC (permalink / raw)
To: gcc-bugs
------- Comment #14 from rguenth at gcc dot gnu dot org 2008-12-07 20:33 -------
Fixed.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38405
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2008-12-04 17:46 ` [Bug tree-optimization/38405] " ldoolitt at recycle dot lbl dot gov
2008-12-04 20:37 ` hjl dot tools at gmail dot com
2008-12-04 20:39 ` [Bug tree-optimization/38405] [4.4 Regression] " hjl dot tools at gmail dot com
2008-12-05 9:08 ` bonzini at gnu dot org
2008-12-05 11:25 ` rguenth at gcc dot gnu dot org
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2008-12-07 16:18 ` hjl dot tools at gmail dot com
2008-12-07 16:31 ` rguenth at gcc dot gnu dot org
2008-12-07 16:45 ` hjl at gcc dot gnu dot org
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2008-12-07 18:55 ` rguenth at gcc dot gnu dot org
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