[quote]IIRC they should name it as a RIP in 64 bit architecture. they renamed eax to rax, ebx to rbx and so on.
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Really big Instruction Pointer?
Actually I’ve seen just IP used for PC as well.
register with instruction pointer. Of course IA64 has r10 and r11.
IP was for 16 bit programming.
Actually RIP is poetical.