From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 8D010386F45A; Tue, 21 Apr 2020 08:32:52 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8D010386F45A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1587457972; bh=/ujOZilVC8hqlNUscevzg2jKDHZIw2lY68AL79qUhBo=; h=From:To:Subject:Date:In-Reply-To:References:From; b=TeKoT83lYUZHa/CmfY0QTazr2aw837E90R7cRGfXF1dMoQ0fWr0B9BQCG18+4CbAW XOj5V9AE4O2PgHN02FwkhxwcabSaFIxStVzAhV3rRmP93mhh9fQ/YQZCfZmi0rCKnY 9ZNTfE3PCiVnYBI9v5/QVicEH5EzUPS+ImPSxYBQ= From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/31485] C complex numbers, amd64 SSE, missed optimization opportunity Date: Tue, 21 Apr 2020 08:32:52 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 4.1.2 X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: jakub 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 21 Apr 2020 08:32:52 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D31485 --- Comment #18 from Jakub Jelinek --- Note, we could do movq %xmm0, %xmm0; movq %xmm1, %xmm1; addpd %xmm1, %xmm0 = for the #c4 first function.=