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Re: [tree-ssa] DCE
- From: Diego Novillo <dnovillo at redhat dot com>
- To: Steven Bosscher <s dot bosscher at student dot tudelft dot nl>
- Cc: gcc at gcc dot gnu dot org
- Date: Wed, 18 Sep 2002 13:49:27 -0400
- Subject: Re: [tree-ssa] DCE
- Organization: Red Hat Canada
- References: <1032363541.418.97.camel@steven>
On Wed, 18 Sep 2002, Steven Bosscher wrote:
> Hello Diego,
>
> I can bootstrap the tree-ssa branch with CCP enabled in
> i586-pc-linux-gnu.
>
And you don't get a comparison mismatch at the end? Impressive.
Right now this is the reason why we don't enable CCP by default.
> DCE kills the bootstrap at a very early stage. xgcc is compiled with gcc
> 2.95.3, and (apparently) with checking enabled. A check at tree-flow:886
> fails:
>
Yes. DCE doesn't even pass c-torture yet. There are many bugs,
some of which are framework related.
Thanks. Diego.