From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-500882-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 81700 invoked by alias); 29 Oct 2015 09:48:53 -0000
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
Received: (qmail 81578 invoked by uid 55); 29 Oct 2015 09:48:49 -0000
From: "rguenther at suse dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/65962] Missed vectorization of strided stores
Date: Thu, 29 Oct 2015 09:48:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: middle-end
X-Bugzilla-Version: 5.0
X-Bugzilla-Keywords: missed-optimization
X-Bugzilla-Severity: normal
X-Bugzilla-Who: rguenther at suse dot de
X-Bugzilla-Status: RESOLVED
X-Bugzilla-Resolution: FIXED
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags:
X-Bugzilla-Changed-Fields:
Message-ID: <bug-65962-4-pwqRsh53ZM@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-65962-4@http.gcc.gnu.org/bugzilla/>
References: <bug-65962-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-SW-Source: 2015-10/txt/msg02437.txt.bz2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65962

--- Comment #15 from rguenther at suse dot de <rguenther at suse dot de> ---
On Wed, 28 Oct 2015, clyon at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65962
> 
> Christophe Lyon <clyon at gcc dot gnu.org> changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                  CC|                            |clyon at gcc dot gnu.org
> 
> --- Comment #14 from Christophe Lyon <clyon at gcc dot gnu.org> ---
> After r229172, I am also seeing:
> FAIL: gcc.dg/vect/vect-strided-a-u8-i2-gap.c -flto -ffat-lto-objects 
> scan-tree-dump-times vect "vectorized 2 loops" 1
> FAIL: gcc.dg/vect/vect-strided-a-u8-i2-gap.c scan-tree-dump-times vect
> "vectorized 2 loops" 1
> 
> on target armeb-none-linux-gnueabihf
> --with-cpu=cortex-a9
> --with-fpu=neon-fp16
> 
> 
> The test passes on arm-none-linux-gnueabihf

Can you please attach the vectorizer dump for the failing case?
Not sure what should be special about big-endian here...