From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3193 invoked by alias); 1 Jul 2012 10:24:25 -0000 Received: (qmail 3182 invoked by uid 22791); 1 Jul 2012 10:24:24 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED,TW_ZJ X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sun, 01 Jul 2012 10:24:12 +0000 From: "ubizjak at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/53645] Missed optimization for vector integer division lowering Date: Sun, 01 Jul 2012 10:24:00 -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-Keywords: missed-optimization X-Bugzilla-Severity: enhancement 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: --- X-Bugzilla-Changed-Fields: Status CC Resolution Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 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 X-SW-Source: 2012-07/txt/msg00004.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D53645 Uros Bizjak changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED CC| |ubizjak at gmail dot com Resolution|FIXED | --- Comment #9 from Uros Bizjak 2012-07-01 10:23= :58 UTC --- Compilation of pr53645.c testcase ICEs with -mno-sse4: [uros@localhost execute]$ ~/gcc-build/gcc/cc1 -O2 -mno-sse4 -quiet pr53645.c pr53645.c: In function =E2=80=98uq3333=E2=80=99: pr53645.c:11:11: internal compiler error: in expand_expr_real_2, at expr.c:= 8971 *x =3D *y / ((UV) { a, b, c, d }); \ ^ pr53645.c:35:1: note: in expansion of macro 'TEST' TEST (3, 3, 3, 3) \ ^ pr53645.c:40:1: note: in expansion of macro 'TESTS' TESTS ^ Please submit a full bug report, (gdb) f 2 #2 0x00000000006bf18d in expand_expr_real_2 (ops=3Dops@entry=3D0x7fffffffd= 120, target=3Dtarget@entry=3D0x0, tmode=3Dtmode@entry=3DVOIDmode, modifier=3Dmodifier@entry=3DEXPAND_NORMAL) at ../../gcc-svn/trunk/gcc/expr.c:8971 8971 gcc_assert (temp); (gdb) li 8966 } 8967 else 8968 gcc_assert (GET_MODE_CLASS (GET_MODE (op2)) =3D=3D MODE_VECTOR_INT); 8969 8970 temp =3D expand_vec_perm (mode, op0, op1, op2, target); 8971 gcc_assert (temp); 8972 return temp; 8973 8974 case DOT_PROD_EXPR: 8975 { (gdb) p temp $1 =3D (rtx_def *) 0x0 expand_vec_perm returns NULL_RTX for mno-sse4.