From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-patches-return-317706-listarch-gcc-patches=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 14036 invoked by alias); 27 Apr 2012 13:39:09 -0000
Received: (qmail 13954 invoked by uid 22791); 27 Apr 2012 13:39:08 -0000
X-SWARE-Spam-Status: No, hits=-4.9 required=5.0	tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,KHOP_RCVD_TRUST,KHOP_THREADED,RCVD_IN_DNSWL_LOW,RCVD_IN_HOSTKARMA_YE
X-Spam-Check-By: sourceware.org
Received: from mail-qa0-f54.google.com (HELO mail-qa0-f54.google.com) (209.85.216.54)    by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 27 Apr 2012 13:38:54 +0000
Received: by qao25 with SMTP id 25so308090qao.20        for <gcc-patches@gcc.gnu.org>; Fri, 27 Apr 2012 06:38:54 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.229.75.142 with SMTP id y14mr2711796qcj.144.1335533933902; Fri, 27 Apr 2012 06:38:53 -0700 (PDT)
Received: by 10.229.136.69 with HTTP; Fri, 27 Apr 2012 06:38:53 -0700 (PDT)
In-Reply-To: <CAAs8HmyeZE25B+vAp7aretL85WtPfyUuLAZNw7oFPFsUHZBtPA@mail.gmail.com>
References: <20120307004630.A503DB21B6@azwildcat.mtv.corp.google.com>	<CAFiYyc3hy9wdB0d87D0TZX1Vj7P=oH0-ARf0rE3Z9wc+i8j8UA@mail.gmail.com>	<CAAs8HmxsZPTH4VS78G9HZOGYXxEiVi90PgRrCc6gwp9de935WQ@mail.gmail.com>	<CAAs8HmyeZE25B+vAp7aretL85WtPfyUuLAZNw7oFPFsUHZBtPA@mail.gmail.com>
Date: Fri, 27 Apr 2012 13:39:00 -0000
Message-ID: <CAMe9rOqUpYHNnHXMpVbN8nEPFcRV0Gr14j1YxA-Bx7Y0nMUu3w@mail.gmail.com>
Subject: Re: User directed Function Multiversioning via Function Overloading (issue5752064)
From: "H.J. Lu" <hjl.tools@gmail.com>
To: Sriraman Tallam <tmsriram@google.com>
Cc: Richard Guenther <richard.guenther@gmail.com>, Jan Hubicka <jh@suse.cz>, 	Uros Bizjak <ubizjak@gmail.com>, reply@codereview.appspotmail.com, 	gcc-patches@gcc.gnu.org, David Li <davidxl@google.com>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
X-IsSubscribed: yes
Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-patches.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-patches/>
List-Post: <mailto:gcc-patches@gcc.gnu.org>
List-Help: <mailto:gcc-patches-help@gcc.gnu.org>
Sender: gcc-patches-owner@gcc.gnu.org
X-SW-Source: 2012-04/txt/msg01768.txt.bz2

On Thu, Apr 26, 2012 at 10:08 PM, Sriraman Tallam <tmsriram@google.com> wro=
te:
> Hi,
>
> =A0 I have made the following changes in this new patch which is attached:
>
> * Use target attribute itself to create function versions.
> * Handle any number of ISA names and arch=3D =A0args to target attribute,
> generating the right dispatchers.
> * Integrate with the CPU runtime detection checked in this week.
> * Overload resolution: If the caller's target matches any of the
> version function's target, then a direct call to the version is
> generated, no need to go through the dispatching.
>
> Patch also available for review here:
> http://codereview.appspot.com/5752064
>

Does it work with

int foo ();
int foo () __attribute__ ((targetv("arch=3Dcorei7")));

int (*foo_p) () =3D foo?

Does it support C++?

Thanks.

--=20
H.J.