Re: [PATCH/RFC] Subscripting on vector types

[Andrew Pinski <Andrew_Pinski at playstation dot sony dot com>]

On Fri, Jun 19, 2009 at 6:16 AM, Julian Brown<julian@codesourcery.com> wrote:
> On Wed, 14 May 2008 17:17:29 -0700
> Andrew_Pinski@PlayStation.Sony.Com wrote:
>
>> This patch adds the subscripting for vector types. ÂI did not modify
>> GCC's documentation for the vector extension because I am going to do
>> a rewrite of that section because it seems weak and needs some help.
>>
>> Trevor wrote the initialize part of the patch, I cleaned it up and
>> fixed a couple of issues related to addressing and templates and
>> added the testcases (11 in total).
>
> What's the status of this patch? (I'm considering doing some work in
> this area soon.)

Here is patch with the documentation, I did not change it that major,
just added a sentence documenting what subscripting on an vector type
means.

OK? Bootstrapped and tested on i686-linux-gnu.

ChangeLog:
* c-typeck.c (mark_addressable_vector): New function.
(build_array_ref): Allow subscripting of vector types.
* doc/extend.texi (Vector Extensions): Document subscripting on vector types.

cp/ChangeLog:

* typeck.c (mark_addressable_vector): New function.
(build_array_ref): Allow vector[index].
* decl2.c (mark_addressable_vector): New function.
(grok_array_decl): Allow subscripting of vector types.


testsuite/ChangeLog:

* gcc.c-torture/execute/vector-subscript-2.c: New test.
* gcc.c-torture/execute/vector-subscript-1.c: New test.
* gcc.dg/vector-subscript-2.c: New test.
* gcc.dg/vector-subscript-1.c: New test.
* g++.dg/ext/vector-subscript-0.C: New test.
* g++.dg/ext/vector-subscript-1.C: New test.
* g++.dg/ext/vector-subscript-2.C: New test.
* g++.dg/torture/vector-subscript-1.C: New test.
* g++.dg/torture/vector-subscript-2.C: New test.
* g++.dg/torture/vector-subscript-3.C: New test.
* g++.dg/torture/vector-subscript-4.C: New test.

* gcc.dg/array-8.c: Update error message about subscripting.

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