From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1793 invoked by alias); 27 Mar 2013 09:57:48 -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 1320 invoked by uid 48); 27 Mar 2013 09:57:42 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/56695] [4.9 Regression] ICE in expand_vec_cond_expr, at optabs.c:6751 Date: Wed, 27 Mar 2013 09:57:00 -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: X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.9.0 X-Bugzilla-Changed-Fields: 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" MIME-Version: 1.0 X-SW-Source: 2013-03/txt/msg01974.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56695 --- Comment #9 from Richard Biener 2013-03-27 09:57:41 UTC --- That said, it should look like, unconditionally(!) unsigned int prec = GET_MODE_BITSIZE (TYPE_MODE (TREE_TYPE (vectype))); tree cmp_type = build_nonstandard_integer_type (prec, TYPE_UNSIGNED (TREE_OPERAND (cond_expr, 0))); vec_cmp_type = get_same_sized_vectype (cmp_type, vectype); if (vec_cmp_type == NULL_TREE) return false; whether the result is integral or not doesn't matter. You can still have foo_signed = uns1 < uns2 ? bar_signed : bar2_signed;