* [Bug bootstrap/45801] [4.6 regression] powerpc64-linux bootstrap comparison failure
2010-09-26 22:02 [Bug bootstrap/45801] New: [4.6 regression] powerpc64-linux bootstrap comparison failure mikpe at it dot uu.se
@ 2010-09-27 16:22 ` rguenth at gcc dot gnu.org
2010-09-30 11:33 ` rguenth at gcc dot gnu.org
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From: rguenth at gcc dot gnu.org @ 2010-09-27 16:22 UTC (permalink / raw)
To: gcc-bugs
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Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.6.0
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2010-09-26 22:02 [Bug bootstrap/45801] New: [4.6 regression] powerpc64-linux bootstrap comparison failure mikpe at it dot uu.se
2010-09-27 16:22 ` [Bug bootstrap/45801] " rguenth at gcc dot gnu.org
@ 2010-09-30 11:33 ` rguenth at gcc dot gnu.org
2010-09-30 19:53 ` pinskia at gcc dot gnu.org
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From: rguenth at gcc dot gnu.org @ 2010-09-30 11:33 UTC (permalink / raw)
To: gcc-bugs
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Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |build
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2010.09.30 10:25:29
date| |
Ever Confirmed|0 |1
--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-09-30 10:25:29 UTC ---
Please try with current trunk.
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2010-09-26 22:02 [Bug bootstrap/45801] New: [4.6 regression] powerpc64-linux bootstrap comparison failure mikpe at it dot uu.se
2010-09-27 16:22 ` [Bug bootstrap/45801] " rguenth at gcc dot gnu.org
2010-09-30 11:33 ` rguenth at gcc dot gnu.org
@ 2010-09-30 19:53 ` pinskia at gcc dot gnu.org
2010-09-30 23:22 ` mikpe at it dot uu.se
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From: pinskia at gcc dot gnu.org @ 2010-09-30 19:53 UTC (permalink / raw)
To: gcc-bugs
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Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Depends on| |45837
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2010-09-30 17:09:35 UTC ---
(In reply to comment #1)
> Please try with current trunk.
Well PR 45837 shows a different failure instead.
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2010-09-26 22:02 [Bug bootstrap/45801] New: [4.6 regression] powerpc64-linux bootstrap comparison failure mikpe at it dot uu.se
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2010-09-30 19:53 ` pinskia at gcc dot gnu.org
@ 2010-09-30 23:22 ` mikpe at it dot uu.se
2010-10-01 22:54 ` mikpe at it dot uu.se
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From: mikpe at it dot uu.se @ 2010-09-30 23:22 UTC (permalink / raw)
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--- Comment #3 from Mikael Pettersson <mikpe at it dot uu.se> 2010-09-30 20:01:49 UTC ---
(In reply to comment #1)
> Please try with current trunk.
No joy. Trunk as of a few hours ago, r164755, still fails with the same
bootstrap comparison failure I showed earlier. I did run into PR45837 but
Meissner's patch cured it.
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2010-09-26 22:02 [Bug bootstrap/45801] New: [4.6 regression] powerpc64-linux bootstrap comparison failure mikpe at it dot uu.se
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2010-09-30 23:22 ` mikpe at it dot uu.se
@ 2010-10-01 22:54 ` mikpe at it dot uu.se
2010-10-04 22:12 ` bernds at gcc dot gnu.org
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From: mikpe at it dot uu.se @ 2010-10-01 22:54 UTC (permalink / raw)
To: gcc-bugs
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Mikael Pettersson <mikpe at it dot uu.se> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |bernds at gcc dot gnu.org
--- Comment #4 from Mikael Pettersson <mikpe at it dot uu.se> 2010-10-01 22:54:40 UTC ---
A bisection identified r164552 as the cause of or trigger for this regression:
http://gcc.gnu.org/ml/gcc-cvs/2010-09/msg00849.html
URL: http://gcc.gnu.org/viewcvs?root=3Dgcc&view=3Drev&rev=3D164552
Log:
PR rtl-optimization/44374
* basic-block.h (enum bb_flags): Add BB_MODIFIED.
...
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2010-09-26 22:02 [Bug bootstrap/45801] New: [4.6 regression] powerpc64-linux bootstrap comparison failure mikpe at it dot uu.se
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2010-10-01 22:54 ` mikpe at it dot uu.se
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2010-10-05 14:35 ` mikpe at it dot uu.se
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From: bernds at gcc dot gnu.org @ 2010-10-04 22:12 UTC (permalink / raw)
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--- Comment #6 from Bernd Schmidt <bernds at gcc dot gnu.org> 2010-10-04 22:12:50 UTC ---
Thanks for the testcase.
http://gcc.gnu.org/ml/gcc-patches/2010-10/msg00059.html
seems to help with the testcase. Does it also fix bootstrap?
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2010-09-26 22:02 [Bug bootstrap/45801] New: [4.6 regression] powerpc64-linux bootstrap comparison failure mikpe at it dot uu.se
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2010-10-04 22:12 ` bernds at gcc dot gnu.org
@ 2010-10-05 14:35 ` mikpe at it dot uu.se
2010-10-17 19:30 ` mikpe at it dot uu.se
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From: mikpe at it dot uu.se @ 2010-10-05 14:35 UTC (permalink / raw)
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--- Comment #7 from Mikael Pettersson <mikpe at it dot uu.se> 2010-10-05 14:35:37 UTC ---
(In reply to comment #6)
> Thanks for the testcase.
> http://gcc.gnu.org/ml/gcc-patches/2010-10/msg00059.html
> seems to help with the testcase. Does it also fix bootstrap?
Yes it unbreaks bootstrap.
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2010-09-26 22:02 [Bug bootstrap/45801] New: [4.6 regression] powerpc64-linux bootstrap comparison failure mikpe at it dot uu.se
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2010-10-05 14:35 ` mikpe at it dot uu.se
@ 2010-10-17 19:30 ` mikpe at it dot uu.se
2010-10-17 19:51 ` dominiq at lps dot ens.fr
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From: mikpe at it dot uu.se @ 2010-10-17 19:30 UTC (permalink / raw)
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--- Comment #8 from Mikael Pettersson <mikpe at it dot uu.se> 2010-10-17 19:29:43 UTC ---
Is there a problem with Alexandre Oliva's PR42289 patch that's causing it not
to get applied? I still (3+ weeks) have to apply it to get past the bootstrap
comparison failure with trunk on ppc64-linux.
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2010-09-26 22:02 [Bug bootstrap/45801] New: [4.6 regression] powerpc64-linux bootstrap comparison failure mikpe at it dot uu.se
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2010-10-17 19:30 ` mikpe at it dot uu.se
@ 2010-10-17 19:51 ` dominiq at lps dot ens.fr
2010-11-04 11:54 ` rguenth at gcc dot gnu.org
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From: dominiq at lps dot ens.fr @ 2010-10-17 19:51 UTC (permalink / raw)
To: gcc-bugs
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Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |aoliva at gcc dot gnu.org
--- Comment #9 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2010-10-17 19:51:20 UTC ---
> Is there a problem with Alexandre Oliva's PR42289 patch that's causing it not
> to get applied? I still (3+ weeks) have to apply it to get past the bootstrap
> comparison failure with trunk on ppc64-linux.
I have the same question for pr45816.
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2010-09-26 22:02 [Bug bootstrap/45801] New: [4.6 regression] powerpc64-linux bootstrap comparison failure mikpe at it dot uu.se
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2010-10-17 19:51 ` dominiq at lps dot ens.fr
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2010-11-04 11:57 ` rguenth at gcc dot gnu.org
2010-11-07 20:25 ` mikpe at it dot uu.se
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From: rguenth at gcc dot gnu.org @ 2010-11-04 11:54 UTC (permalink / raw)
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--- Comment #10 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-04 11:54:36 UTC ---
Alex, please ping your patch, eventually CCing some DF maintainers.
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2010-09-26 22:02 [Bug bootstrap/45801] New: [4.6 regression] powerpc64-linux bootstrap comparison failure mikpe at it dot uu.se
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2010-11-04 11:54 ` rguenth at gcc dot gnu.org
@ 2010-11-04 11:57 ` rguenth at gcc dot gnu.org
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From: rguenth at gcc dot gnu.org @ 2010-11-04 11:57 UTC (permalink / raw)
To: gcc-bugs
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Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dominiq at lps dot ens.fr
--- Comment #11 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-04 11:56:10 UTC ---
*** Bug 45816 has been marked as a duplicate of this bug. ***
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2010-09-26 22:02 [Bug bootstrap/45801] New: [4.6 regression] powerpc64-linux bootstrap comparison failure mikpe at it dot uu.se
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2010-11-04 11:57 ` rguenth at gcc dot gnu.org
@ 2010-11-07 20:25 ` mikpe at it dot uu.se
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From: mikpe at it dot uu.se @ 2010-11-07 20:25 UTC (permalink / raw)
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Mikael Pettersson <mikpe at it dot uu.se> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Resolution| |FIXED
--- Comment #12 from Mikael Pettersson <mikpe at it dot uu.se> 2010-11-07 20:24:31 UTC ---
Bootstrap works again in 4.6 r166408, presumably because r164552 was reverted.
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