From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 974333858D37; Mon, 15 Apr 2024 13:33:32 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 974333858D37 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1713188012; bh=Q0kQgCN83lswmMTFEcKXTEruUxxwIA0zWsx9mLi7aL0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=QfbYJRszjgmHfNILbBp/4aU0NZaO/rfbH+C4c1eGQkcNbp+MNu7OZf51vyd2OVU7L oH+/ikRF/A0WXOls2EJW5paMCRrD/Vrnw1YG42ATSL8HymLuisWGJnGhG6j9yqyKw0 L1V8Y9Mzg+Y2VIxWZ7qqyBi0sgBPb/dIGBqB4QYM= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/110935] Missed BB reduction vectorization because of missed eliding of a permute Date: Mon, 15 Apr 2024 13:33:31 +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: 13.1.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org 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: In-Reply-To: References: 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110935 --- Comment #5 from Richard Biener --- So ideally we could special-case the "output" of the SLP instance root. It might be possible to insert the node just into the digraph.=