From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
 id B2021385DC0C; Wed, 29 Apr 2020 09:40:33 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B2021385DC0C
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
 s=default; t=1588153233;
 bh=E/6MO4XsDreNiUhOWnLQ+hi09A280B0HAQpVwkVlutM=;
 h=From:To:Subject:Date:In-Reply-To:References:From;
 b=yXS+5sfW7lM5hyKQeKsInBqoJXxtLHwifxGTdbFbfteyCP5R4G63qNlemfsOMYR8L
 ngo458J2I8iFtKaZchjOE6vq4YpPwxKqq2fXtD2jhiihGnEu2Hd1ETzLAgtZ6iPV6T
 CHAE97lZR5U9+0nD9Ka51Y66zFZNEtr0Gn9SsCKs=
From: "gabravier at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/94834] Failure to optimize loop bswap pattern
Date: Wed, 29 Apr 2020 09:40:33 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 10.0
X-Bugzilla-Keywords: missed-optimization
X-Bugzilla-Severity: normal
X-Bugzilla-Who: gabravier at gmail dot com
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-94834-4-ycXLao0vZJ@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-94834-4@http.gcc.gnu.org/bugzilla/>
References: <bug-94834-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-BeenThere: gcc-bugs@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-bugs mailing list <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <http://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <http://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Wed, 29 Apr 2020 09:40:33 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94834

--- Comment #2 from Gabriel Ravier <gabravier at gmail dot com> ---
Now I wonder why the unrolling happens too late since there was 1 ecp check
that should happen after the unrolling, from my understanding. Are the mult=
iple
ecp passes detecting different things?=