From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id EA75738582B7; Thu, 6 Jul 2023 02:21:00 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org EA75738582B7 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1688610060; bh=bozrSyNf7cZp3aEVWfhqSF0v8k93TZPmwgNz8ONongs=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Co0JmpjbaiBq0Tu2pr0IsLY+fKBYuyl0I5mLHlCjN6LufyBKRWwuNQwKuqdN7yzCV rWrVBnmyS32FRa+HIcvUY5KlUjdUSWACmsfNI9kvzyzcuyEtaGayd1TzjtTi+1Hz2i gNzG5oJMTmxBpWvRr3/rpTmYyin0j62aQaPLdVgY= From: "hliu at amperecomputing dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/110474] Vect: the epilog vect loop should have small VF if the loop is unrolled during vectorization Date: Thu, 06 Jul 2023 02:21:00 +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: hliu at amperecomputing dot com X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: FIXED 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: resolution bug_status 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=3D110474 Hao Liu changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Status|UNCONFIRMED |RESOLVED --- Comment #3 from Hao Liu --- It's better to have a suggested_epilog_"unroll" factor or support multiple epilogues. But need a lot of work. Let's support the simple patch firstly= .=