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Re: Bootstrap miscomparison on mainline with checking disabled
- From: law at redhat dot com
- To: Diego Novillo <dnovillo at redhat dot com>
- Cc: Mike Stump <mrs at apple dot com>, Devang Patel <dpatel at apple dot com>, Zack Weinberg <zack at codesourcery dot com>, Andrew Pinski <pinskia at physics dot uc dot edu>, Steven Bosscher <stevenb at suse dot de>, "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
- Date: Wed, 19 May 2004 10:35:03 -0600
- Subject: Re: Bootstrap miscomparison on mainline with checking disabled
- Reply-to: law at redhat dot com
In message <1084983955.3630.262.camel@localhost.localdomain>, Diego Novillo wri
tes:
>On Wed, 2004-05-19 at 12:08, law@redhat.com wrote:
>
>> It is the phiopt changes. I've got a handle on it.
>> jeff
>>
>Thanks. I wonder if they may be also related to the number of
>regressions we got on ppc. The --enable-checking bootstrap on
>powerpc-unknown-linux-gnu worked fine, but we are getting these
>regressions.
>
>I don't think these regressions are due to the phiopt changes, though.
>Most of the new failures are link errors for symbols not found. Like
>gcc.c-torture/execute/20001130-1.c
It's possible if the stage1 compiler mis-compiled the stage2 compiler in
a fun an interesting way.
I've got a fix going through testing now.
jeff