GHC ARM64 calling convention

[Luke Iannini]

Hi Erik!

Really glad you found it.

I did actually submit it to the LLVM team a couple months ago; the relevant
email from Tim Northover is here:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20141103/243180.html

He had a few small questions/requests and I've just been too pulled under
by other projects to address them. If you want to give it the last nudge
into glory I'd be thrilled : )

Cheers
Luke

On Sun, Dec 28, 2014 at 2:33 AM, Erik de Castro Lopo <mle+hs at mega-nerd.com>
wrote:

> Hi Luke,
>
> I found your llvm git tree which contains a patch [0] implementing the
> GHC calling convention for GHC. I also notice that:
>
> a) It has not been submitted upstream.
> b) It can be cherry picked and applied on top of current llvm HEAD.
> c) It can be applied to the llvm 3.5 tree
>
> and most importantly of all
>
> d) It actually works.
>
> With this patch applied to the llvm 3.5 tree, I was able to build an
> x86_64-linux to aarch64-linux cross-compiler which was able to build
> a simple "hello world" program that actually ran correctly.
>
> Are you in the process of trying to get this patch into LLVM? Do you need
> any help?
>
> Cheers,
> Erik
>
> [0]
> https://github.com/lukexi/llvm/commit/2d351c3d095e2fe42bc287947404d884841a1d01
> --
> ----------------------------------------------------------------------
> Erik de Castro Lopo
> http://www.mega-nerd.com/
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