On Mon, Feb 03, 2014 at 04:42:39PM +0100, Richard Biener wrote:
>
> This fixes PR60012 by considering TBAA for all DDRs in vectorizer
> dependence analysis because the vectorizer can rely on at least
> covering two scalar iterations.
>
> It _should_ be a regression from 4.4 but I can't make a testcase
> that has two TBAA disambiguatable types and is vectorized with 4.4
> it seems ...
>
> Bootstrapped and tested on x86_64-unknown-linux-gnu, ok at this stage?
Ok.
> 2014-02-03 Richard Biener <rguent...@suse.de>
>
> PR tree-optimization/60012
> * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Apply
> TBAA disambiguation to all DDRs.
>
> * gcc.dg/vect/pr60012.c: New testcase.
Jakub
