OS X + core 2 duo + nails

[David Harvey]

On Jun 2, 2008, at 9:27 AM, Torbjorn Granlund wrote:

>   I'm getting a few "make check" failures for GMP 4.2.2 (unpatched,
>   direct from GMP web site) on a core 2 duo macbook, OS X 10.4.11,  
> when
>   nails are enabled. I'm not sure if this is really a bug, since nails
>   are supposed to be experimental, but nails have worked for me before
>   on other platforms so I thought I should report this.
>
> It turns out that mpn/generic/sqrtrem.c requires a nail with an even
> number of bits.  This is not a platform specific bug.

In t-set_si.c, line 51:

     { LONG_MAX,  2, { LONG_MAX & GMP_NUMB_MASK, LONG_MAX >>  
GMP_NUMB_BITS } },

I think this might be incorrect. The value LONG_MAX should be  
represented by a single limb, not two limbs, when nails == 1.

david