[parisc-linux] Progress

[Philipp Rumpf]

> Our K460 gets twice the MIPs you'd expect ... i.e., it executes a simple 
> timing loop at about 360 million instructions per second ... 
> on a single CPU machine with a 180 MHz clock!

Keep in mind the "subtract one and branch if register non-zero" is really
only a single instruction - and the following one you can always send to
another pipeline because of the two-entry IAOQ thing.

You can see the same effect on many x86 CPUs, some PPCs and probably other
animals as well.

	Philipp Rumpf