Re: Why?
Existing machines won't stop working, nor will their CPUs change the instruction sets they use.
It would be interesting to see them try though.
How awesome would a CPU with multiple instruction set capabilities be? A toggle feature between x86, ARM and PPC would be interesting. Monday, you have PPC, Tuesday you've got ARM then by Wednesday you're running x86 :-D.
Granted this is almost impossible, but interesting non-the-less and would be amusing if OS's could switch it. It would make patch Tuesdays interesting.
Biting the hand that feeds IT
