Frank van der Linden <fvdl@wasabisystems.com> writes:

> SSE2 does have some cool features, but for the 'hardcore' floating
> point ops you still need the original x87 instructions (exp, ln,
> trig functions, etc). Which mostly work on the fp stack. And moving data
> directly between the fp stack and sse2 registers isn't possible, which
> is a bit of a pain.. Still, sse2 is useful.

Are those "hardcore" operations implemented efficently enough on the
FP stack that it makes sense to use them, rahther that implementing
them in software like conventional RISC FP systems do?

        - Nathan