[pypy-dev] PyPy Assembler SQRT Patch

Alex Gaynor alex.gaynor at gmail.com
Tue May 3 18:23:16 CEST 2011


On Tue, May 3, 2011 at 10:30 AM, Armin Rigo <arigo at tunes.org> wrote:

> Hi,
>
> On Tue, May 3, 2011 at 1:20 PM, Maciej Fijalkowski <fijall at gmail.com>
> wrote:
> > Sorry it took so long to review, long weekend and whatnot. The test
> > for x86 backend actually fails for -1.0 on 64bit. Can you
> > reproduce/deny?
>
> I fixed it, it was really a bug about FINISH(ConstFloat(...)).  But
> the patch, at least as applied now, does not have the intended effect;
> SQRTSD is never generated because ll_math_sqrt() is called with a
> residual call.  Joe, can you fix it?  I can try to if you don't have
> the time.
>
>
> A bientôt,
>
> Armin.
> _______________________________________________
> pypy-dev at codespeak.net
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>

Another thing is it would be useful to test that the SQRTSD is generated, I
don't know a good way to do that though.

Alex

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