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Re: [PATCH][4.1] Fix PR33142, wrong-code with VRP
- From: Richard Guenther <rguenther at suse dot de>
- To: Eric Botcazou <ebotcazou at libertysurf dot fr>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Sun, 9 Sep 2007 18:40:40 +0200 (CEST)
- Subject: Re: [PATCH][4.1] Fix PR33142, wrong-code with VRP
- References: <Pine.LNX.4.64.0708221045400.13885@s68.fhfr.qr> <200709091826.13086.ebotcazou@libertysurf.fr>
On Sun, 9 Sep 2007, Eric Botcazou wrote:
> > 2007-08-22 Richard Guenther <rguenther@suse.de>
> >
> > PR tree-optimization/33142
> > * tree-vrp.c (extract_range_from_unary_expr): Compare with
> > TYPE_MIN/MAX_VALUE using tree_int_cst_equal.
>
> This has very likely introduced
Are they ICEs? I suspect TYPE_MIN/MAX_VALUE might be null or
non-integer-cst.
Richard.