From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11459 invoked by alias); 13 Jan 2015 19:13:29 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 11112 invoked by uid 55); 13 Jan 2015 19:13:22 -0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/64286] [4.9/5 Regression] Redundant extend removal ignores vector element type Date: Tue, 13 Jan 2015 19:13:00 -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: 4.9.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: major X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.9.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-01/txt/msg01055.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64286 --- Comment #8 from Jakub Jelinek --- Author: jakub Date: Tue Jan 13 19:12:47 2015 New Revision: 219550 URL: https://gcc.gnu.org/viewcvs?rev=219550&root=gcc&view=rev Log: PR rtl-optimization/64286 * ree.c (combine_reaching_defs): Move part of comment earlier, remove !SCALAR_INT_MODE_P check. (add_removable_extension): Don't add vector mode extensions if all uses of the source register aren't the same vector extensions. * gcc.target/i386/avx2-pr64286.c: New test. Added: trunk/gcc/testsuite/gcc.target/i386/avx2-pr64286.c Modified: trunk/gcc/ChangeLog trunk/gcc/ree.c trunk/gcc/testsuite/ChangeLog