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Re: [PATCH] Fix ICE in initialize_matrix_A (PR tree-optimization/36922)
- From: Sebastian Pop <sebpop at gmail dot com>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 17 Feb 2009 17:13:08 -0600
- Subject: Re: [PATCH] Fix ICE in initialize_matrix_A (PR tree-optimization/36922)
- References: <20090217223210.GJ23631@tyan-ft48-01.lab.bos.redhat.com>
On Tue, Feb 17, 2009 at 16:32, Jakub Jelinek <jakub@redhat.com> wrote:
> Hi!
>
> The attached testcase ICEs in initialize_matrix_A, because fold creates
> ~X from -1 - X and while the latter is handled by tree-data-ref.c and
> tree-scalar-evolution.c well, the former is not.
>
> The following patch fixes it by handling ~X the same as -1 - X.
>
> Bootstrapped/regtested on x86_64-linux, ok for trunk?
>
Ok.
Thanks,
Sebastian