On Mon, 10 Nov 1997, Just this guy you know wrote:
> The only real way fully test a program to see if the opcode is ever called
> would be to grovel through the binary, executing it as you go and checking
> to make sure no illegal opcodes are generated. I suppose that to
> eloquently do this, you could write a 386 emulator that would
> automatically trip an exception at the illegal opcodes in question.