From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15358 invoked by alias); 3 Oct 2014 18:10:47 -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 15320 invoked by uid 48); 3 Oct 2014 18:10:44 -0000 From: "ubizjak at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/57003] [4.8/4.9/5.0 Regression] gcc breaks -O2 optimization with Wine(64) - links/info/bisect of commits included Date: Fri, 03 Oct 2014 18:10:00 -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: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: ubizjak at gmail dot com X-Bugzilla-Status: REOPENED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: jakub at gcc dot gnu.org X-Bugzilla-Target-Milestone: 5.0 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-SW-Source: 2014-10/txt/msg00240.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D57003 --- Comment #28 from Uro=C5=A1 Bizjak --- (In reply to Jakub Jelinek from comment #27) > Shouldn't it be guarded by if (ksvd.ignored_set_reg) too? Yes, and the published patch implements just that. >>From gcc-bugs-return-463220-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Fri Oct 03 18:16:47 2014 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 18299 invoked by alias); 3 Oct 2014 18:16:47 -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 Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 18263 invoked by uid 55); 3 Oct 2014 18:16:43 -0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/61403] An opportunity for x86 gcc vectorizer (~40% gain) Date: Fri, 03 Oct 2014 18:16:00 -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: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED 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: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-10/txt/msg00241.txt.bz2 Content-length: 722 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61403 --- Comment #2 from Jakub Jelinek --- Author: jakub Date: Fri Oct 3 18:16:09 2014 New Revision: 215866 URL: https://gcc.gnu.org/viewcvs?rev=215866&root=gcc&view=rev Log: PR tree-optimization/61403 * config/i386/i386.c (expand_vec_perm_palignr): Fix a spelling error in comment. Also optimize 256-bit vectors for AVX2 or AVX (floating vectors only), provided the first permutation can be performed in one insn. * gcc.dg/torture/vshuf-32.inc: Add a new test 29. Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/i386.c trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/torture/vshuf-32.inc