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* [Bug middle-end/49465] New: [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006
@ 2011-06-18 23:47 hjl.tools at gmail dot com
2011-06-20 4:53 ` [Bug middle-end/49465] " law at redhat dot com
` (10 more replies)
0 siblings, 11 replies; 12+ messages in thread
From: hjl.tools at gmail dot com @ 2011-06-18 23:47 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49465
Summary: [4.7 Regression] Revision 175114 miscompiled 403.gcc
in SPEC CPU 2006
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: hjl.tools@gmail.com
CC: law@redhat.com
On Linux/x86-64, revision 175114:
http://gcc.gnu.org/ml/gcc-cvs/2011-06/msg00603.html
miscompiled 403.gcc in SPEC CPU 2006 with
-O2 -ffast-math -DSPEC_CPU_LP64:
Setting Up Run Directories
Setting up 403.gcc ref base lnx32e-gcc default: created
(run_base_ref_lnx32e-gcc.0000)
Running Benchmarks
Running 403.gcc ref base lnx32e-gcc default
*** Miscompare of expr.s; for details see
/export/regression/rrs/spec/2006/spec/benchspec/CPU2006/403.gcc/run/run_base_ref_lnx32e-gcc.0000/expr.s.mis
*** Miscompare of scilab.s; for details see
/export/regression/rrs/spec/2006/spec/benchspec/CPU2006/403.gcc/run/run_base_ref_lnx32e-gcc.0000/scilab.s.mis
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/49465] [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006
2011-06-18 23:47 [Bug middle-end/49465] New: [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006 hjl.tools at gmail dot com
@ 2011-06-20 4:53 ` law at redhat dot com
2011-06-20 10:24 ` rguenth at gcc dot gnu.org
` (9 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: law at redhat dot com @ 2011-06-20 4:53 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49465
Jeffrey A. Law <law at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2011.06.20 04:52:44
Ever Confirmed|0 |1
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/49465] [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006
2011-06-18 23:47 [Bug middle-end/49465] New: [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006 hjl.tools at gmail dot com
2011-06-20 4:53 ` [Bug middle-end/49465] " law at redhat dot com
@ 2011-06-20 10:24 ` rguenth at gcc dot gnu.org
2011-06-20 17:07 ` law at redhat dot com
` (8 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-06-20 10:24 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49465
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.7.0
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/49465] [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006
2011-06-18 23:47 [Bug middle-end/49465] New: [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006 hjl.tools at gmail dot com
2011-06-20 4:53 ` [Bug middle-end/49465] " law at redhat dot com
2011-06-20 10:24 ` rguenth at gcc dot gnu.org
@ 2011-06-20 17:07 ` law at redhat dot com
2011-06-20 19:41 ` law at redhat dot com
` (7 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: law at redhat dot com @ 2011-06-20 17:07 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49465
--- Comment #1 from Jeffrey A. Law <law at redhat dot com> 2011-06-20 17:05:56 UTC ---
Something goofy happens when we compile loop.c in cpu2k6... Still
investigating.
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/49465] [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006
2011-06-18 23:47 [Bug middle-end/49465] New: [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006 hjl.tools at gmail dot com
` (2 preceding siblings ...)
2011-06-20 17:07 ` law at redhat dot com
@ 2011-06-20 19:41 ` law at redhat dot com
2011-06-20 22:52 ` law at redhat dot com
` (6 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: law at redhat dot com @ 2011-06-20 19:41 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49465
Jeffrey A. Law <law at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
AssignedTo|unassigned at gcc dot |law at redhat dot com
|gnu.org |
--- Comment #2 from Jeffrey A. Law <law at redhat dot com> 2011-06-20 19:41:43 UTC ---
We're mucking up a PHI argument in one particular case... I'm testing a fix.
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/49465] [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006
2011-06-18 23:47 [Bug middle-end/49465] New: [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006 hjl.tools at gmail dot com
` (3 preceding siblings ...)
2011-06-20 19:41 ` law at redhat dot com
@ 2011-06-20 22:52 ` law at redhat dot com
2011-06-22 4:24 ` kirill.yukhin at intel dot com
` (5 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: law at redhat dot com @ 2011-06-20 22:52 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49465
--- Comment #3 from Jeffrey A. Law <law at redhat dot com> 2011-06-20 22:51:17 UTC ---
Fix looking good. Doing a cpu2k6 int test right now.
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/49465] [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006
2011-06-18 23:47 [Bug middle-end/49465] New: [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006 hjl.tools at gmail dot com
` (4 preceding siblings ...)
2011-06-20 22:52 ` law at redhat dot com
@ 2011-06-22 4:24 ` kirill.yukhin at intel dot com
2011-06-23 13:06 ` hjl.tools at gmail dot com
` (4 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: kirill.yukhin at intel dot com @ 2011-06-22 4:24 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49465
--- Comment #4 from Yukhin Kirill <kirill.yukhin at intel dot com> 2011-06-22 04:23:34 UTC ---
(In reply to comment #3)
> Fix looking good. Doing a cpu2k6 int test right now.
Jeffrey, could you please share your patch?
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/49465] [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006
2011-06-18 23:47 [Bug middle-end/49465] New: [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006 hjl.tools at gmail dot com
` (5 preceding siblings ...)
2011-06-22 4:24 ` kirill.yukhin at intel dot com
@ 2011-06-23 13:06 ` hjl.tools at gmail dot com
2011-06-23 20:27 ` law at redhat dot com
` (3 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: hjl.tools at gmail dot com @ 2011-06-23 13:06 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49465
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> 2011-06-23 13:05:29 UTC ---
(In reply to comment #3)
> Fix looking good. Doing a cpu2k6 int test right now.
Hi Jeff, can I try your patch on my machine? Thanks.
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/49465] [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006
2011-06-18 23:47 [Bug middle-end/49465] New: [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006 hjl.tools at gmail dot com
` (6 preceding siblings ...)
2011-06-23 13:06 ` hjl.tools at gmail dot com
@ 2011-06-23 20:27 ` law at redhat dot com
2011-06-23 20:30 ` law at gcc dot gnu.org
` (2 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: law at redhat dot com @ 2011-06-23 20:27 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49465
Jeffrey A. Law <law at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #8 from Jeffrey A. Law <law at redhat dot com> 2011-06-23 20:26:57 UTC ---
Fixed per patch.
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/49465] [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006
2011-06-18 23:47 [Bug middle-end/49465] New: [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006 hjl.tools at gmail dot com
` (7 preceding siblings ...)
2011-06-23 20:27 ` law at redhat dot com
@ 2011-06-23 20:30 ` law at gcc dot gnu.org
2011-06-23 20:30 ` law at redhat dot com
2011-06-23 21:27 ` law at gcc dot gnu.org
10 siblings, 0 replies; 12+ messages in thread
From: law at gcc dot gnu.org @ 2011-06-23 20:30 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49465
--- Comment #6 from Jeffrey A. Law <law at gcc dot gnu.org> 2011-06-23 20:26:10 UTC ---
Author: law
Date: Thu Jun 23 20:26:07 2011
New Revision: 175351
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175351
Log:
PR middle-end/49465
* tree-ssa-threadupate.c (fix_duplicate_block_edges): Fix condition
to detect threading through joiner block. If there was already
an edge to the new target, then do not change the PHI nodes.
*************** fix_duplicate_block_edges (struct redire
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-ssa-threadupdate.c
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/49465] [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006
2011-06-18 23:47 [Bug middle-end/49465] New: [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006 hjl.tools at gmail dot com
` (8 preceding siblings ...)
2011-06-23 20:30 ` law at gcc dot gnu.org
@ 2011-06-23 20:30 ` law at redhat dot com
2011-06-23 21:27 ` law at gcc dot gnu.org
10 siblings, 0 replies; 12+ messages in thread
From: law at redhat dot com @ 2011-06-23 20:30 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49465
--- Comment #7 from Jeffrey A. Law <law at redhat dot com> 2011-06-23 20:26:32 UTC ---
Fixed.
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug middle-end/49465] [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006
2011-06-18 23:47 [Bug middle-end/49465] New: [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006 hjl.tools at gmail dot com
` (9 preceding siblings ...)
2011-06-23 20:30 ` law at redhat dot com
@ 2011-06-23 21:27 ` law at gcc dot gnu.org
10 siblings, 0 replies; 12+ messages in thread
From: law at gcc dot gnu.org @ 2011-06-23 21:27 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49465
--- Comment #9 from Jeffrey A. Law <law at gcc dot gnu.org> 2011-06-23 21:26:08 UTC ---
Author: law
Date: Thu Jun 23 21:26:04 2011
New Revision: 175352
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175352
Log:
PR middle-end/49465
* tree-ssa-threadupate.c (fix_duplicate_block_edges): Fix condition
to detect threading through joiner block. If there was already
an edge to the new target, then do not change the PHI nodes.
Modified:
trunk/gcc/ChangeLog
^ permalink raw reply [flat|nested] 12+ messages in thread
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2011-06-18 23:47 [Bug middle-end/49465] New: [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006 hjl.tools at gmail dot com
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2011-06-20 10:24 ` rguenth at gcc dot gnu.org
2011-06-20 17:07 ` law at redhat dot com
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