SoftFloat future

[Olivier Houchard]

On Wed, Nov 07, 2007 at 03:48:34PM +0100, Rafal Jaworowski wrote:
> Olivier Houchard wrote:
> >> So what's ARM people view on using SoftFloat vs. gcc soft-float? What are FreeBSD/ARM plans in this regard.
> >>
> > 
> > The libsoftfloat got imported for arm because at the time it happened, gcc
> > (3.4.6 or something like this) didn't provide softfloat for arm.
> > Also, last time I tried it, the libgcc softfloat bits behaved strangely,
> > and gave dd segfaults or funny pings. 
> > So I gess FreeBSD/arm plans are to get right of the libsoftfloat when the
> > libgcc bits will work as expected :-)
> > 
> 
> Hi Olivier,
> 
> Did you use any float testing suites to verify it? Even though I didn't
> observe such problems with libgcc soft-floats on PowerPC I'd like to stress it
> in some more systematic way, but the testing packages I looked at were not
> readily available for this arch, low level pieces were missing there etc. For
> the SoftFloat lib there's accompanying TestFloat but it's closely tied to its
> parent library, so no easy way to use it with libgcc soft-float. Any hints on
> what would be best to pick up?
> 

Hi Rafal,

Now I haven't really a testing suite, the problem were just obvious.
>From what I read about TestFloat, it works by comparing your floating point
implementation with softfloat, so maybe it can help anyway ?

Regards,

Olivier