--- Additional Comments From kazu at cs dot umass dot edu 2004-12-10 22:25
---
Subject: Re: [4.0 regression] loop
miscompilation at -O1 (-ftree-ch)
Hi Jeff,
> > Can you come up with a hypothetical scenario?
> No need. It's fundamentally broken in that it's recording
> an invalid equ
--- Additional Comments From law at redhat dot com 2004-12-10 21:42 ---
Subject: Re: [4.0 regression] loop
miscompilation at -O1 (-ftree-ch)
On Fri, 2004-12-10 at 21:31 +, kazu at cs dot umass dot edu wrote:
> Can you come up with a hypothetical scenario?
No need. It's fun
--- Additional Comments From kazu at cs dot umass dot edu 2004-12-10 21:31
---
Subject: Re: [4.0 regression] loop
miscompilation at -O1 (-ftree-ch)
Hi Jeff,
> Err, no. You're totally warping how the the equivalency code is meant
> to work. It's a symmetric relationship and it's you
--- Additional Comments From law at redhat dot com 2004-12-10 20:52 ---
Subject: Re: [4.0 regression] loop
miscompilation at -O1 (-ftree-ch)
On Fri, 2004-12-10 at 19:08 +, kazu at cs dot umass dot edu wrote:
> --- Additional Comments From kazu at cs dot umass dot edu 20
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--- Additional Comments From kazu at cs dot umass dot edu 2004-12-10 20:14
---
Subject: Re: [4.0 regression] loop
miscompilation at -O1 (-ftree-ch)
Hi Jeff,
> BTW, I may have a nice clean way to deal with this problem which doesn't
> depend on us not walking the SSA_NAME_VALUE chain.
--- Additional Comments From law at redhat dot com 2004-12-10 20:12 ---
Subject: Re: [4.0 regression] loop
miscompilation at -O1 (-ftree-ch)
On Fri, 2004-12-10 at 19:57 +, kazu at cs dot umass dot edu wrote:
> --- Additional Comments From kazu at cs dot umass dot edu 20
--- Additional Comments From law at redhat dot com 2004-12-10 20:00 ---
Subject: Re: [4.0 regression] loop
miscompilation at -O1 (-ftree-ch)
On Fri, 2004-12-10 at 19:08 +, kazu at cs dot umass dot edu wrote:
> --- Additional Comments From kazu at cs dot umass dot edu 20
--- Additional Comments From kazu at cs dot umass dot edu 2004-12-10 19:57
---
Subject: Re: [4.0 regression] loop
miscompilation at -O1 (-ftree-ch)
Hi Jeff,
> > I think so. :-)
> I don't. :( I think it'll record tmp_1 = next_2, which is actually
> wrong, even though it doesn't actu
--- Additional Comments From law at redhat dot com 2004-12-10 19:44 ---
Subject: Re: [4.0 regression] loop
miscompilation at -O1 (-ftree-ch)
On Fri, 2004-12-10 at 19:08 +, kazu at cs dot umass dot edu wrote:
> By the way, I am now wondering how many times we succeed in thre
H. J. Lu writes:
> On Thu, Dec 09, 2004 at 12:49:38PM +0100, Matthias Klose wrote:
> > H. J. Lu writes:
> > > On Tue, Dec 07, 2004 at 12:16:56AM -0800, David Mosberger wrote:
> > > > > On Tue, 7 Dec 2004 09:01:33 +0100, Matthias Klose <[EMAIL
> > > > > PROTECTED]> said:
> > > >
> > > >
--- Additional Comments From law at redhat dot com 2004-12-10 19:18 ---
Subject: Re: [4.0 regression] loop
miscompilation at -O1 (-ftree-ch)
On Fri, 2004-12-10 at 19:08 +, kazu at cs dot umass dot edu wrote:
> I think so. :-)
I don't. :( I think it'll record tmp_1 = next_
--- Additional Comments From kazu at cs dot umass dot edu 2004-12-10 19:08
---
Subject: Re: [4.0 regression] loop
miscompilation at -O1 (-ftree-ch)
Hi Jeff,
> Note that recording tmp_1 = next_2 isn't particularly good either since
> tmp_1 really isn't equivalent to next_2. It's equ
--- Additional Comments From kazu at cs dot umass dot edu 2004-12-10 18:53
---
Subject: Re: [4.0 regression] loop
miscompilation at -O1 (-ftree-ch)
Hi Zdenek,
> > > or simply use dominated_by_p, which is not too expensive -
> > > only a couple of "if" statements, assuming the domina
--- Additional Comments From rakdver at atrey dot karlin dot mff dot cuni
dot cz 2004-12-10 18:38 ---
Subject: Re: [4.0 regression] loop miscompilation at -O1 (-ftree-ch)
> > or simply use dominated_by_p, which is not too expensive -
> > only a couple of "if" statements, assuming the
--- Additional Comments From law at redhat dot com 2004-12-10 18:24 ---
Subject: Re: [4.0 regression] loop
miscompilation at -O1 (-ftree-ch)
On Fri, 2004-12-10 at 00:28 +, kazu at cs dot umass dot edu wrote:
> --- Additional Comments From kazu at cs dot umass dot edu 20
--- Additional Comments From law at redhat dot com 2004-12-10 18:11 ---
Subject: Re: [4.0 regression] loop
miscompilation at -O1 (-ftree-ch)
On Thu, 2004-12-09 at 05:24 +, kazu at cs dot umass dot edu wrote:
> --- Additional Comments From kazu at cs dot umass dot edu 20
--- Additional Comments From law at redhat dot com 2004-12-10 18:10 ---
Subject: Re: [4.0 regression] loop
miscompilation at -O1 (-ftree-ch)
On Thu, 2004-12-09 at 20:02 +, kazu at cs dot umass dot edu wrote:
> --- Additional Comments From kazu at cs dot umass dot edu 2
>Submitter-Id: net
>Originator:Artur R. Czechowski
>Organization:
>Confidential: no
>Synopsis: internal compiler error: in tree_low_cst, at tree.c:3255
>Severity: non-critical
>Priority: low
>Category: c++
>Class: ice-on-illegal-code
>Release: 3.3.5 (Debia
ouch, please edit debian/rules.defs and disable the biarch build for
powerpc.
Wolfram Quester writes:
> Package: gcc-4.0
> Version: 4.0-0pre2
> Severity: serious
> Tags: experimental
>
> Hi,
>
> I just wanted to compile gcc-4.0 to get a fortran 95 compiler and the
> build fails on my ppc with
>
Package: gcc-4.0
Version: 4.0-0pre2
Severity: serious
Tags: experimental
Hi,
I just wanted to compile gcc-4.0 to get a fortran 95 compiler and the
build fails on my ppc with
DEB_VERSION='4.0-0pre2'; export DEB_VERSION; \
debian/patches/powerpc-biarch.dpatch -patch -d
/home/wolfi/src/fortran/gcc
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