From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 73C7938582BD; Thu, 21 Dec 2023 09:07:54 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 73C7938582BD DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1703149674; bh=5SQblNeJyRvyd+zNI9OT1jjorFZp3A7iMqVcQBKaJn4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=XBkdXN4jMVFeiVfUENmmVkh7TtVUEq/uP0KnxGb2Lad4AJZNUcpZCMbJkT2LWlcE3 xgZ8OTNDu1zu/V23MSFb54hKalhiGHxAFulH54RkTHYnakOSfZpQO7eaZNxJgowexS 9uYxYLYi9iL9BEk1rztx3P9it38YDU/iL+BwbY9M= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/113104] Suboptimal loop-based slp node splicing across iterations Date: Thu, 21 Dec 2023 09:07:53 +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: 14.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED 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: cc 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=3D113104 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rguenth at gcc dot gnu.org --- Comment #1 from Richard Biener --- See my proposal on the mailing list to lift the restriction of sticking to a single vector size, I think this is another example showing this. If you use BB level vectorization by disabling loop vectorization but not SLP vectorization the code should improve?=