This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [PATCH] Fix PR53031
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: Richard Guenther <rguenther at suse dot de>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Sun, 22 Apr 2012 10:14:55 -0700
- Subject: Re: [PATCH] Fix PR53031
- References: <Pine.LNX.4.64.1204191445420.23071@jbgna.fhfr.qr>
On Thu, Apr 19, 2012 at 5:47 AM, Richard Guenther <rguenther@suse.de> wrote:
>
> This fixes PR53031 and reverts back to using the number of latch
> iterations in VRP when computing ranges for induction variables.
> Now after ira_allocno_object_iter_cond is fixed this no longer
> breaks bootstrap.
>
> Bootstrapped on x86_64-unknown-linux-gnu, testing in progress.
>
> Richard.
>
> 2012-04-19 ?Richard Guenther ?<rguenther@suse.de>
>
> ? ? ? ?PR tree-optimization/53031
> ? ? ? ?* tree-vrp.c (adjust_range_with_scev): Revert back to
> ? ? ? ?using max_loop_iterations.
>
This caused:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53073
--
H.J.