[LLVMdev] Proposing a new 'alloca' parameter attribute to implement the Microsoft C++ ABI

[Reid Kleckner]

On Wed, Jul 31, 2013 at 10:33 AM, Chandler Carruth <chandlerc at google.com>wrote:

>
> On Jul 31, 2013 10:16 AM, "Stephen Lin" <swlin at post.harvard.edu> wrote:
> >
> > Oh, well, I don't actually have any objection to the patch (I'm not
> > sure if Oscar does) or work in this direction. (So apologies for
> > hijacking, it's just I wanted to back up the sentiment that Oscar
> > expressed initially.)
> >
> > I'm honestly just trying to understand why the engineering focus is
> > where it is, and wonders if anyone has put any thought into supporting
> > our own (or possibly someone else's, if it's documented) C++ ABI on
> > Windows, as a either a subgoal or parallel goal of full MSVC C++ ABI
> > implementation. As I said before, something like that wouldn't just be
> > a stop gap, it would provide real benefits on its own.
>
> Thia patch and the others currently under development seem clearly aimed
> at compatibility
> If you or others are interested in something else then mail the patches. I
> don't think any of this precludes the other.
>
Just to clarify, there's no patch for this particular issue yet.  This is
an RFC so I don't waste time on patches that will be rejected due to high
level concerns.
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