Effects of newly introduced -mpcX 80387 precision flag

[Paul Brook]

> > m68k does too, just nobody uses it any more or the ones they use don't
> > have the co-processor or have a different FP instructions now.  In
> > fact this where the problem started, i387 just continued in the same
> > fashion.
>
> Huh? m68k still uses extended precisions and will continue to do so, it's
> ColdFire that doesn't have it anymore.

IIUC excess precision is only a problem on earler m68k implementations. The 
68040 adds instructions that perform correct rounding (fdadd.x etc.), so does 
not suffer from the excess precision problems.

Paul