From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D7E853858C2C; Sat, 1 Oct 2022 23:42:29 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D7E853858C2C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1664667749; bh=RYAVOOux2gUsiLwVI7mt8znsyD/WQ4WFpkKOBf/VG7I=; h=From:To:Subject:Date:In-Reply-To:References:From; b=ARGyKUyuYwh2JbfBg9BqholXhaTMDdJKIkTQPf9KIjJ6r9mvsT/hIqnVjm9D3yt3A mZ4Iw8DtLJ2jj9NNTk3PBmAMZwU/LPnaqm87cRgBbjqsfJ3ESNfzzuerTL/CABuNRl J8FFzlHEqeifqUUn5KrFEenYOZGy/fk/zGad2QZQ= From: "zhongyunde at huawei dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/107090] [aarch64] sequence logic should be combined with mul and umulh Date: Sat, 01 Oct 2022 23:42:29 +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: 13.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: zhongyunde at huawei 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: 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=3D107090 --- Comment #2 from vfdff --- Thanks for your suggestion. As the combine pass can't address more than 4 sequence insns, which pass ma= y be more suitable to match the huge pattern after fixing the 1st issue.=