[PATCH 1/2] [ARC] Prefer NOP instead of MOV 0,0

[Claudiu Zissulescu]

> PS.  FYI: Some other targets show the true disassembly of a NOP instruction
> as a comment at the end of the line.  Just in case a user complains that their
> "mov 0,0" instruction was not disassembled correctly, I guess.

Good point, though until now I've got the complains that we do show only mov 0,0 :)
I'll make a note to come back to you with an extra patch on the subject.

Thank you, 
Claudiu