NCG lowering of sqrt

[Ben Gamari]

Ryan Yates <fryguybob at gmail.com> writes:

> Hi Kavon,
>
> I looked a bit and it does not appear that there is an SSE sqrt in the
> native code gen.  It should be easy to add (see a similar addition here:
> https://phabricator.haskell.org/D3265).  The x87 version was available for
> 32-bit.  I think if you use the LLVM backend it will give you the SSE sqrt.
>
Indeed. I pushed a starting point to D3508; I haven't validated it but
there's a chance it will work. If not it would be great if someone could
pick it up. Otherwise I'll return to it when I have time.

Cheers,

- Ben

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