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Re: [patch] Refine fix for PR tree-optimization/45470
- From: Richard Guenther <richard dot guenther at gmail dot com>
- To: Eric Botcazou <ebotcazou at adacore dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Fri, 25 Feb 2011 12:02:12 +0100
- Subject: Re: [patch] Refine fix for PR tree-optimization/45470
- References: <201102250923.30585.ebotcazou@adacore.com>
On Fri, Feb 25, 2011 at 9:23 AM, Eric Botcazou <ebotcazou@adacore.com> wrote:
> Hi,
>
> the fix disabled vectorization for all statements that could throw. ?That's
> quite heavy-handed because, for -fnon-call-exceptions languages like Ada,
> this means all statements accessing non-stack memory. ?The attached patch
> changes this to all statements that can throw internally, which is enough to
> fix the original bug and makes it possible to vectorize in most cases.
>
> Tested on x86_64-suse-linux, OK for the mainline?
Ok.
Thanks,
Richard.
> 2011-02-25 ?Eric Botcazou ?<ebotcazou@adacore.com>
>
> ? ? ? ?PR tree-optimization/45470
> ? ? ? ?* tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
> ? ? ? ?can throw internally only.
> ? ? ? ?* tree-vect-stmts.c (vectorizable_call): Likewise.
>
>
> --
> Eric Botcazou
>