From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 60B973858C74; Wed, 21 Sep 2022 00:50:53 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 60B973858C74 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1663721453; bh=G8TgbXWksSNvoPR2bXhu36Fg8gH61ZY3BPJyzB+4GL0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=PjUtWNAXbFNLN7pRYPfaWG2fHsuz525rML9wOnpTFcvIY8lwTqosyH06yFFnFiTAo IVxYREX28hOz6Ad0rCJnIeQafVjk2jt7XskkRPY5PO7zXU33pe2tYakCg3ERpOinvd mBUzo/n3BbSCCAT7ZK+HtYQr2ym91ryMCHy8MWBE= From: "juzhe.zhong at rivai dot ai" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/106989] GCC fail to vectorize and clang succeed Date: Wed, 21 Sep 2022 00:50:53 +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: 13.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: juzhe.zhong at rivai dot ai 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: 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=3D106989 --- Comment #4 from JuzheZhong --- (In reply to Andrew Pinski from comment #3) > The DSE happens but only at the RTL level .... Is it a good idea to do data-ref in DSE and remove the first redundant stor= e?=