[PATCH] D20602: Add .rgba syntax extension to ext_vector_type types

[Richard Smith via cfe-commits]

On Wed, May 25, 2016 at 2:20 AM, Alexey Bader via cfe-commits <
cfe-commits at lists.llvm.org> wrote:

> bader added a subscriber: bader.
> bader added a comment.
>
> In http://reviews.llvm.org/D20602#438667, @rsmith wrote:
>
> > I'm not suggesting it be treated as invalid. This extension is part of
> at least OpenCL 2.1, but it's not part of OpenCL 1.0. `ext_vector_type` is
> Clang's implementation of the OpenCL vector type. Therefore if the user
> asks us to support OpenCL 1.0, we should give them a warning if they use
> this syntax.
> >
> > If we're not building an OpenCL source file, then yes, this is our
> extension and it makes sense for it to be available unconditionally
> (without a warning).
>
>
> To avoid confusion, I'd like to note that rgba selector was first
> introduced in OpenCL C++ kernel language, which is currently in provisional
> state and will be part of OpenCL version 2.2.
> https://www.khronos.org/registry/cl/specs/opencl-2.2-cplusplus.pdf (page
> 18).
>

https://www.khronos.org/registry/cl/specs/opencl-2.1-openclc++.pdf page
12-13 document it. Is that not OpenCL version 2.1?


> OpenCL version 2.1 uses OpenCL C 2.0 kernel language, which doesn't
> support rgba selector.
>
> https://www.khronos.org/registry/cl/ - latest versions of OpenCL specs.
>
>
> http://reviews.llvm.org/D20602
>
>
>
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