--- Comment #23 from rguenth at gcc dot gnu dot org 2007-08-22 15:52
---
But not with 4.2.
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rguenth at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #21 from dberlin at gcc dot gnu dot org 2007-08-19 23:23
---
Subject: Bug 32328
Author: dberlin
Date: Sun Aug 19 23:23:29 2007
New Revision: 127629
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=127629
Log:
2007-08-19 Daniel Berlin [EMAIL PROTECTED]
Fix PR
--- Comment #22 from dberlin at gcc dot gnu dot org 2007-08-20 01:54
---
All should be fixed
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dberlin at gcc dot gnu dot org changed:
What|Removed |Added
--
mmitchel at gcc dot gnu dot org changed:
What|Removed |Added
Target Milestone|4.2.1 |4.2.2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32328
--- Comment #15 from giovannibajo at libero dot it 2007-07-16 13:39 ---
ping: anything that can be done for 4.2.1? This is a really serious regression.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32328
--- Comment #16 from dberlin at gcc dot gnu dot org 2007-07-16 13:58
---
Subject: Re: [4.2/4.3 Regression] -fstrict-aliasing causes skipped code
I've attached a patch you should be able to quickly backport to 4.2.1.
I'm still testing it against mainline right now.
On 16 Jul 2007
--- Comment #18 from rguenth at gcc dot gnu dot org 2007-07-16 14:27
---
Created an attachment (id=13924)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13924action=view)
patch for 4.2
I'll bootstrap/regtest it.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32328
--- Comment #19 from rguenth at gcc dot gnu dot org 2007-07-16 15:51
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The backported patch causes
FAIL: gcc.c-torture/execute/pr28778.c execution, -O2
FAIL: gcc.c-torture/execute/pr28778.c execution, -Os
DCE removes
-
-L1:;
- list[3] = 42;
we have one added constraint:
--- Comment #20 from dberlin at gcc dot gnu dot org 2007-07-16 22:29
---
Subject: Re: [4.2/4.3 Regression] -fstrict-aliasing causes skipped code
Oh, for 4.2 you need to add make_constraint_to_escaped_var
On 16 Jul 2007 15:51:44 -, rguenth at gcc dot gnu dot org
[EMAIL PROTECTED]
On 4 Jul 2007 03:29:25 -, mmitchel at gcc dot gnu dot org
[EMAIL PROTECTED] wrote:
--
Just as an update:
I have been working with richi (I code, he tests :P) diligently on a
patch for mainline, and have one that fixes the dealii regression (and
thus, should fix this as well).
--- Comment #14 from dberlin at gcc dot gnu dot org 2007-07-04 14:16
---
Subject: Re: [4.2/4.3 Regression] -fstrict-aliasing causes skipped code
On 4 Jul 2007 03:29:25 -, mmitchel at gcc dot gnu dot org
[EMAIL PROTECTED] wrote:
--
Just as an update:
I have been working with
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mmitchel at gcc dot gnu dot org changed:
What|Removed |Added
Priority|P3 |P1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32328
--- Comment #10 from rguenth at gcc dot gnu dot org 2007-06-20 15:16
---
trunk has the same problem, but different constraints:
Constraints:
ANYTHING = ANYTHING
READONLY = ANYTHING
INTEGER = ANYTHING
barptr = bar1
barptr.0_1 = barptr
Points-to sets
NULL = { }
ANYTHING = { ANYTHING
--- Comment #11 from tdragon at tdragon dot net 2007-06-20 15:35 ---
Not sure if this is relevant or just GCC working differently on my target
system, but I don't encounter the bug using -fstrict-aliasing, or in fact using
individually the entire set of options under -O and -O2 on
--- Comment #12 from dberlin at gcc dot gnu dot org 2007-06-20 20:03
---
Subject: Re: [4.2 Regression] -fstrict-aliasing causes skipped code
On 20 Jun 2007 15:12:53 -, rguenth at gcc dot gnu dot org
[EMAIL PROTECTED] wrote:
--- Comment #9 from rguenth at gcc dot gnu dot
--- Comment #13 from dberlin at gcc dot gnu dot org 2007-06-20 20:09
---
(In reply to comment #10)
trunk has the same problem, but different constraints:
Constraints:
ANYTHING = ANYTHING
READONLY = ANYTHING
INTEGER = ANYTHING
barptr = bar1
barptr.0_1 = barptr
Points-to
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