[RFC] Type of long double on ColdFire

[Mike Stump]

On Dec 8, 2005, at 8:05 AM, Paul Brook wrote:
> 1) Make long double == double.

Eventually the day will come when one want something bigger, then,  
you have to break abi for this.  We did this on darwin, and ick,  
whatta pain.  I think I prefer a hard error for even mentioning long  
double, as the upgrade path is clear.

> 2) Choose a sensible format for long double. The obvious candidate  
> is a
> 128-bit PPC/MIPS stye almost-quad precision type implemented with a  
> pair of
> 64-bit doubles.

Yup, makes sense, though I do worry when CPU designers give up a real  
128 long double in hardware that then doesn't match the software,  
but, maybe they'll never do that...