From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5173 invoked by alias); 22 Apr 2012 14:57:25 -0000 Received: (qmail 5163 invoked by uid 22791); 22 Apr 2012 14:57:24 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED 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, 22 Apr 2012 14:57:12 +0000 From: "manu at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/51033] generic vector subscript and shuffle support was not added to C++ Date: Sun, 22 Apr 2012 14:57:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Keywords: rejects-valid X-Bugzilla-Severity: enhancement X-Bugzilla-Who: manu 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: --- 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" 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: 2012-04/txt/msg01837.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D51033 --- Comment #21 from Manuel L=C3=B3pez-Ib=C3=A1=C3=B1ez 2012-04-22 14:56:28 UTC --- (In reply to comment #19) > With this patch, g++ passes the few __builtin_shuffle tests I tried, and > generates generic code for non-constant indexes and special code for cons= tant > indexes. I don't really know what to do about the testsuite. The tests ex= ercise > the backend a lot, and it probably doesn't make sense to run everything w= ith > both gcc and g++. But we still want to test that g++ accepts the syntax, = and > maybe even that it handles constants well. What does it mean "exercise the backend a lot"? Do you mean it takes a lot = of time? I haven't looked at the tests, but I think it is not a problem to run compile-only tests with both gcc and g++.=20 > As usual, my limited knowledge of the compiler means I may have missed > fundamental things. It looks pretty good to me.