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Re: [PATCH] Fix PR65494
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: Richard Biener <rguenther at suse dot de>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Mon, 23 Mar 2015 19:09:15 -0700
- Subject: Re: [PATCH] Fix PR65494
- Authentication-results: sourceware.org; auth=none
- References: <alpine dot LSU dot 2 dot 11 dot 1503231341240 dot 15299 at zhemvz dot fhfr dot qr>
On Mon, Mar 23, 2015 at 5:42 AM, Richard Biener <rguenther@suse.de> wrote:
>
> This fixes PR65494 - I don't remember why I re-allocated matches
> before recursing into operands. But that at least breaks backtracking.
>
> Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.
>
> Richard.
>
> 2015-03-23 Richard Biener <rguenther@suse.de>
>
> PR tree-optimization/65494
> * tree-vect-slp.c (vect_build_slp_tree): Do not (re-)allocate
> matches here.
> (vect_analyze_slp_instance): But do that here, always and once.
This caused:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65533
--
H.J.