--- Comment #61 from rguenther at suse dot de 2008-06-11 08:07 ---
Subject: Re: [4.2 Regression] points-to analysis
slow and memory hungry
On Tue, 10 Jun 2008, giovannibajo at libero dot it wrote:
> --- Comment #60 from giovannibajo at libero dot it 2008-06-10 17:26
> ---
>
--- Comment #60 from giovannibajo at libero dot it 2008-06-10 17:26 ---
If a knowledgable GCC developer could suggest *any* workaround at -O1 for this
bug in 4.2 (including disabling whatever alias analysys causes the problem), it
might be proposed as a fix within distros at least.
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--- Comment #59 from rguenth at gcc dot gnu dot org 2008-05-21 16:07
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-> PR36291.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30052
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--- Comment #58 from rguenth at gcc dot gnu dot org 2008-05-21 16:05
---
Note that for 4.3 the testcases are still slow and memory-hungry but not
because
of PTA but because of memory partitioning (we have a PR for that) and because
of call clobber analysis.
tree find ref. vars : 15
--- Comment #57 from rguenth at gcc dot gnu dot org 2008-05-21 15:51
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"Fixed since 4.3.0, WONTFIX on earlier branches."
There is no workaround.
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--- Comment #56 from giovannibajo at libero dot it 2008-05-21 15:49 ---
What is the workaround for this bug? It looks like not even -O1 fixes the
compile-time hog.
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giovannibajo at libero dot it changed:
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--- Comment #55 from rguenth at gcc dot gnu dot org 2008-05-21 14:18
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*** Bug 36290 has been marked as a duplicate of this bug. ***
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rguenth at gcc dot gnu dot org changed:
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--- Comment #53 from rguenther at suse dot de 2008-03-12 12:12 ---
Subject: Re: [4.2 Regression] points-to analysis
slow and memory hungry
On Wed, 12 Mar 2008, chkr at plauener dot de wrote:
> --- Comment #52 from chkr at plauener dot de 2008-03-12 11:18 ---
> (In reply to c
--- Comment #53 from rguenther at suse dot de 2008-03-12 12:12 ---
Subject: Re: [4.2 Regression] points-to analysis
slow and memory hungry
On Wed, 12 Mar 2008, chkr at plauener dot de wrote:
> --- Comment #52 from chkr at plauener dot de 2008-03-12 11:18 ---
> (In reply to c
--- Comment #52 from chkr at plauener dot de 2008-03-12 11:18 ---
(In reply to comment #33)
> it does fix the xf86ScanPci.i testcase (time/mem hog) and this is great
Unfortunately it looks like that the patch it did _not_ fix the mem hog
problem.
I'm compiling the xorg-xserver using gc
--- Comment #51 from jsm28 at gcc dot gnu dot org 2008-02-01 16:53 ---
4.2.3 is being released now, changing milestones of open bugs to 4.2.4.
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jsm28 at gcc dot gnu dot org changed:
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--- Comment #50 from mmitchel at gcc dot gnu dot org 2007-10-09 19:21
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Change target milestone to 4.2.3, as 4.2.2 has been released.
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mmitchel at gcc dot gnu dot org changed:
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--- Comment #49 from rguenth at gcc dot gnu dot org 2007-10-09 11:44
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*** Bug 33708 has been marked as a duplicate of this bug. ***
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rguenth at gcc dot gnu dot org changed:
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--- Comment #48 from dberlin at gcc dot gnu dot org 2007-09-11 19:55
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4.3 is no longer a regression as it does PTA faster than 4.1, and uses less
memory.
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dberlin at gcc dot gnu dot org changed:
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