On 16 May 2016 at 20:27, Andrei Alexandrescu via Digitalmars-d <digitalmars-d@puremagic.com> wrote: > On 5/16/16 12:37 AM, Walter Bright wrote: >> >> Me, I think of that as "Who cares that you paid $$$ for an 80 bit CPU, >> we're going to give you only 64 bits." > > > I'm not sure about this. My understanding is that all SSE has hardware for > 32 and 64 bit floats, and the the 80-bit hardware is pretty much > cut-and-pasted from the x87 days without anyone really looking in improving > it. And that's been the case for more than a decade. Is that correct?
It's not only correct, but it's also deprecated, and may be removed from silicone (ie, emulated/microcoded, is it's not already...) at some unknown point in the future.