On Thu, Dec 08, 2005 at 04:05:46PM +0000, Paul Brook wrote: > 1) Make long double == double. This is what Arm does, amongst others. This > pretty much just works and should reduce the amount of support code required. > Anyone wanting more than IEEE double precision has to use a third party > bugnum/MP/quad library of which there are several, but no standard ABI.
This would be ok, I guess. > 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. This is a horrible idea, I think. It's gratuitously incompatible with other m68k, and most other popular platforms. > This email is a RFC to try and gauge which of the two options is most useful > to the ColdFire community. ie. are there significant users that would benefit > from (2). I'm not a member of this community though, so I'll be quiet. r~
