--- Comment #15 from rguenth at gcc dot gnu dot org 2008-06-06 20:07
---
Subject: Bug 34244
Author: rguenth
Date: Fri Jun 6 20:06:40 2008
New Revision: 136501
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=136501
Log:
2008-06-06 Richard Guenther <[EMAIL PROTECTED]>
--- Comment #14 from rguenth at gcc dot gnu dot org 2008-05-31 13:01
---
Subject: Bug 34244
Author: rguenth
Date: Sat May 31 13:01:10 2008
New Revision: 136237
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=136237
Log:
2008-05-31 Richard Guenther <[EMAIL PROTECTED]>
--- Comment #13 from jakub at gcc dot gnu dot org 2007-11-30 13:24 ---
Zdenek fixed that.
--
jakub at gcc dot gnu dot org changed:
What|Removed |Added
Status|
--- Comment #12 from hjl at lucon dot org 2007-11-30 08:56 ---
gcc.dg/tree-ssa/pr34244.c in
http://gcc.gnu.org/viewcvs?view=rev&revision=130527
has duplicated content.
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hjl at lucon dot org changed:
What|Removed |Added
-
--- Comment #11 from jakub at gcc dot gnu dot org 2007-11-30 07:20 ---
Fixed, thanks.
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jakub at gcc dot gnu dot org changed:
What|Removed |Added
Status|ASSI
--- Comment #10 from rakdver at gcc dot gnu dot org 2007-11-30 00:32
---
Subject: Bug 34244
Author: rakdver
Date: Fri Nov 30 00:32:04 2007
New Revision: 130527
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=130527
Log:
PR tree-optimization/34244
* tree-vrp.c (ad
--- Comment #9 from rakdver at gcc dot gnu dot org 2007-11-29 04:29 ---
Patch: http://gcc.gnu.org/ml/gcc-patches/2007-11/msg01607.html
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rakdver at gcc dot gnu dot org changed:
What|Removed |Added
--
--- Comment #8 from rguenther at suse dot de 2007-11-28 16:13 ---
Subject: Re: [4.3 Regression] VRP/SCEV miscompiles
Firefox
On Wed, 28 Nov 2007, rakdver at kam dot mff dot cuni dot cz wrote:
> > --- Comment #6 from rguenth at gcc dot gnu dot org 2007-11-28 15:47
> > ---
>
--- Comment #7 from rakdver at kam dot mff dot cuni dot cz 2007-11-28
16:05 ---
Subject: Re: [4.3 Regression] VRP/SCEV miscompiles Firefox
> --- Comment #6 from rguenth at gcc dot gnu dot org 2007-11-28 15:47
> ---
> We could clear the SCEV cache for an SSA_NAME we set a new
--- Comment #6 from rguenth at gcc dot gnu dot org 2007-11-28 15:47 ---
We could clear the SCEV cache for an SSA_NAME we set a new value range
(in set_value_range and set_value_range_to_varying), but I
see that SCEV also caches loop->nb_iterations which we probably would need to
clear un
--
mmitchel at gcc dot gnu dot org changed:
What|Removed |Added
Priority|P3 |P1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34244
--- Comment #5 from rakdver at gcc dot gnu dot org 2007-11-27 17:00 ---
> # of iteration analysis records an assumption that offset_46 >= 0. However,
> this is simplified to true, as the value range of offset_46 is set to [0,0] by
> vrp (which seems to be wrong); so the problem is proba
--- Comment #4 from rakdver at gcc dot gnu dot org 2007-11-27 16:48 ---
> as it may be zero, in case offset_46 is <= 0.
>
> Sebastian, Zdenek - any idea what goes wrong here?
# of iteration analysis records an assumption that offset_46 >= 0. However,
this is simplified to true, as the
--- Comment #3 from rguenther at suse dot de 2007-11-27 14:04 ---
Subject: Re: [4.3 Regression] VRP/SCEV miscompiles
Firefox
On Tue, 27 Nov 2007, rakdver at gcc dot gnu dot org wrote:
> --- Comment #2 from rakdver at gcc dot gnu dot org 2007-11-27 13:57
> ---
> I will have
--- Comment #2 from rakdver at gcc dot gnu dot org 2007-11-27 13:57 ---
I will have a look. What target is this on, and what flags are used for
compilation?
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rakdver at gcc dot gnu dot org changed:
What|Removed |Added
---
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pinskia at gcc dot gnu dot org changed:
What|Removed |Added
CC||pinskia at gcc dot gnu dot
|
--- Comment #1 from rguenth at gcc dot gnu dot org 2007-11-27 11:30 ---
Runtime testcase:
int __attribute__((noinline)) GetParent(void)
{
static int count = 0;
count++;
switch (count)
{
case 1:
case 3:
case 4:
return 1;
default:
return 0;
}
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