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From: "ramana at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/51033] generic vector subscript and shuffle support was not added to C++
Date: Thu, 14 Jun 2012 11:23:00 -0000 [thread overview]
Message-ID: <bug-51033-4-niHIHdtLRN@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-51033-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51033
--- Comment #26 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> 2012-06-14 11:22:26 UTC ---
(In reply to comment #23)
> (In reply to comment #21)
> > What does it mean "exercise the backend a lot"? Do you mean it takes a lot of
> > time?
>
> I think so.
>
> > 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++.
>
> compile-time tests are not always sufficient.
>
> The __builtin_shuffle tests are spread in:
> gcc.dg{,/torture}
> gcc.target/{i386,powerpc}
> gcc.c-torture/{compile,execute}
>
> I assume the tests in gcc.dg can move to c-c++-common. The target tests should
> stay in target. Not sure about gcc.c-torture.
>
> But one interesting thing to test is if the front-end passes the arguments as
> constants and thus the backend can use specialized code instead of the slow
> generic one. And this kind of test seems necessarily target-specific. Bah, I
> guess I shouldn't ask for too much and moving the gcc.dg tests would be enough.
Patch posted for comments here :
http://gcc.gnu.org/ml/gcc-patches/2012-06/msg00903.html
next prev parent reply other threads:[~2012-06-14 11:23 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-08 16:39 [Bug c++/51033] New: Partial vector extension support marc.glisse at normalesup dot org
2011-11-08 17:10 ` [Bug c++/51033] " rguenth at gcc dot gnu.org
2011-11-08 17:21 ` marc.glisse at normalesup dot org
2011-11-08 22:18 ` pinskia at gcc dot gnu.org
2011-11-08 22:19 ` marc.glisse at normalesup dot org
2011-11-08 22:31 ` [Bug c++/51033] [4.7 Regression] recent vector support was not added to C++ pinskia at gcc dot gnu.org
2011-11-08 22:34 ` marc.glisse at normalesup dot org
2011-11-09 9:41 ` [Bug c++/51033] generic vector subscript and shuffle " rguenth at gcc dot gnu.org
2011-11-09 10:42 ` jakub at gcc dot gnu.org
2011-12-29 10:32 ` paolo.carlini at oracle dot com
2012-04-17 10:23 ` marc.glisse at normalesup dot org
2012-04-17 10:56 ` manu at gcc dot gnu.org
2012-04-17 12:01 ` marc.glisse at normalesup dot org
2012-04-17 12:16 ` manu at gcc dot gnu.org
2012-04-17 13:10 ` marc.glisse at normalesup dot org
2012-04-17 13:26 ` manu at gcc dot gnu.org
2012-04-17 14:01 ` marc.glisse at normalesup dot org
2012-04-17 14:20 ` manu at gcc dot gnu.org
2012-04-17 16:47 ` marc.glisse at normalesup dot org
2012-04-22 10:32 ` marc.glisse at normalesup dot org
2012-04-22 13:22 ` marc.glisse at normalesup dot org
2012-04-22 14:57 ` manu at gcc dot gnu.org
2012-04-22 15:10 ` marc.glisse at normalesup dot org
2012-04-24 11:59 ` marc.glisse at normalesup dot org
2012-04-30 17:23 ` jason at gcc dot gnu.org
2012-06-13 15:15 ` ramana at gcc dot gnu.org
2012-06-14 11:23 ` ramana at gcc dot gnu.org [this message]
2012-06-15 16:44 ` ramana at gcc dot gnu.org
2012-06-27 14:20 ` ramana at gcc dot gnu.org
2012-08-11 11:27 ` glisse at gcc dot gnu.org
2013-02-17 14:42 ` linux at carewolf dot com
2013-02-17 15:04 ` glisse at gcc dot gnu.org
2013-02-17 15:24 ` linux at carewolf dot com
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