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Re: bootstrap failure on ppc64-linux: ICE in set_variable_part

From: "Andrew Pinski" <pinskia at gmail dot com>
To: "Jakub Jelinek" <jakub at redhat dot com>
Cc: "Janis Johnson" <janis187 at us dot ibm dot com>, gcc at gcc dot gnu dot org
Date: Mon, 17 Sep 2007 13:10:51 -0700
Subject: Re: bootstrap failure on ppc64-linux: ICE in set_variable_part
References: <1190051417.6267.3.camel@janis-laptop> <20070917201336.GN2279@sunsite.mff.cuni.cz>

On 9/17/07, Jakub Jelinek <jakub@redhat.com> wrote:
> My guess is that this is a long standing latent bug with var-tracking
> on big endian machines, we saw it a few times with gcc-4.1.x-RH as well.
> The problem is that after optimizing some subregs we can have negative
> offsets in MEM_OFFSET of some REG vars (e.g. when a QImode user decl
> is held in the least significant bits of SImode or DImode register)
> and var-tracking is very upset about that.  Haven't had time to
> try to fix this though.

I thought we fixed that issue with:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29558

Thanks,
Andrew Pinski

References:
- bootstrap failure on ppc64-linux: ICE in set_variable_part
  - From: Janis Johnson
- Re: bootstrap failure on ppc64-linux: ICE in set_variable_part
  - From: Jakub Jelinek

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