Alan Lehotsky <apl@alum.mit.edu> writes:
|> At 12:48 PM +0530 8/7/02, Sanjiv Kumar Gupta, Noida wrote:
|> >Hi all,
|> >
|> >I see a libcall ___negsf2 is being used by gcc for negation of floats on
|> >H8300. Can't we just flip the first bit using bit insns provided in H8300?
|>
|> That wouldn't handle NaNs correctly (assuming the H8300 is IEEE FP
|> compliant...)
But a negative NaN is still a NaN, isn't it?
Andreas.
Not if it's a signalling NaN. If the chip only supports QNaNs, then
you might be able to get away with it.