simd branch ready for review

Carter Schonwald carter.schonwald at
Mon Feb 4 22:34:37 CET 2013

I'm really excited to see this merged in! Props on all involved

*question 1*: Will this be included in the upcoming 7.8 release?

*question 2*: I see that some of the useful (albeit specialized) SSE
primops aren't included, though it looks like adding them (at least for
platforms that support them)
would be largely mechanical..... If adding those primops is something GHC
HQ would welcome (ignoring the sorting out the whole supporting SSE2 vs
full AVX discussion), I'm more than happy to spend some time turning the
crank to add those primops.

-Carter Schonwald

On Sat, Feb 2, 2013 at 4:46 AM, Geoffrey Mainland <mainland at>wrote:

> On 02/02/2013 09:37 AM, Karel Gardas wrote:
> > On 02/ 1/13 09:19 AM, Geoffrey Mainland wrote:
> >> As an aside, what's the proper way for me to test the ARM
> >> cross-compilation support? I'm afraid my patches may break things
> >> there.
> >
> > I've seen you've merged your changes into mainline so I've done a
> > build of GHC HEAD on my arm/linux and it's gone fine so you've not
> > broken anything -- at least from the build perspective.
> >
> > Thanks,
> > Karel
> Thanks for the confirmation. I followed the instructions for building
> the Raspberry Pi cross GHC and tested the simd branch before I merged,
> but I'm glad to know I didn't break anything obvious for you either!
> Geoff
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