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Re: Powerpc64 long double support
Andreas Schwab <schwab@suse.de> writes:
> The sign bit might also be a don't-care at this point, in which case both
> formats must be supported.
It might, that's true, but unless someone can show that it definitely
_is_, I don't think we should make that assumption. math(3M) just says:
Long double infinity is represented as the sum of a double
infinity and a double zero; similarly for NaNs.
which perhaps can be read either way, but which hardly goes out
on a limb to say "zero of either sign".
Also, libgcc will use +0.0, so we might as well be consistent.
Richard