--- Comment #11 from rguenth at gcc dot gnu dot org 2007-01-08 11:20
---
Subject: Bug 23603
Author: rguenth
Date: Mon Jan 8 11:20:00 2007
New Revision: 120578
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=120578
Log:
2007-01-08 Richard Guenther [EMAIL PROTECTED]
PR
--- Comment #12 from rguenth at gcc dot gnu dot org 2007-01-08 11:21
---
Fixed.
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rguenth at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #10 from rguenth at gcc dot gnu dot org 2007-01-07 17:44
---
In extract_range_from_binary we have another case where we drop to varying:
/* For integer ranges, apply the operation to each end of the
range and see what we end up with. */
if (code ==
--- Comment #9 from pinskia at gcc dot gnu dot org 2006-08-21 06:11 ---
I am going to try to get this done for 4.3.0.
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pinskia at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #8 from pinskia at gcc dot gnu dot org 2005-10-23 00:06 ---
The patch above is almost correct and I just lost the correct one as my laptop
is dead so I am no longer working on this.
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pinskia at gcc dot gnu dot org changed:
What|Removed
--- Comment #7 from pinskia at gcc dot gnu dot org 2005-10-04 19:44 ---
(In reply to comment #6)
I know it is in the gnat1 front-end but I really don't want to do the dumps
for
that :(.
I figured out how to fix the problem but to me it seems like a front-end bug in
that it does not
--- Comment #5 from pinskia at gcc dot gnu dot org 2005-10-03 00:43 ---
I just tried to bootstrap the patch on x86_64-linux-gnu and I think I ran into
another VRP bug.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23603
--- Comment #6 from pinskia at gcc dot gnu dot org 2005-10-03 02:39 ---
(In reply to comment #5)
I just tried to bootstrap the patch on x86_64-linux-gnu and I think I ran into
another VRP bug.
I could not find it in cc1files and there was only one extra Folding
predicate in the whole
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Bug 23603 depends on bug 23604, which changed state.
Bug 23604 Summary: [4.1 Regression] wrong code due to VRP
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23604
What|Old Value |New Value
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-28
17:22 ---
The fix would be instead of setting the range to varrying in
extract_range_from_comparison, set it to
[0,1].
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23603
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-28
17:25 ---
I have a fix.
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What|Removed |Added
AssignedTo|unassigned at gcc dot gnu
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What|Removed |Added
BugsThisDependsOn||23604
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23603
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-29
00:49 ---
This really does depend on PR 23604 as it exposes that latent bug while
bootstrapping.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23603
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