[PATCH] #pragma vectorize

[Reid Kleckner]

On Wed, Jun 4, 2014 at 7:57 PM, Tyler Nowicki <tnowicki at apple.com> wrote:

> Hi Aaron and Richard,
>
> Thanks for the review and putting up with me while I learn clang! Here is
> the patch with your changes.
>
>
> >> +      // Vectorization/interleaving is disabled, set width/count to 1.
> >> +      ValueInt = 1;
> >> +    // Fallthrough.
> >
> > We should add [[clang::fallthrough]] to Compiler.h and use it here. :-)
>
> Turns out I didn’t need to make any changes to Compiler.h. It works fine
> for me. Will it work for all builds?
>

Unlikely.  MSVC's table of C++11 lists attributes as unsupported:
http://msdn.microsoft.com/en-us/library/hh567368.aspx

GCC is also likely to warn on unrecognized attributes, which wouldn't work.
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