What does 'pc = pc+4+BranchAddr' mean?

Asked Feb 15 '18 at 19:55

Active Dec 06 '20 at 12:45

Viewed 964 times

I was doing this question:

The following instruction is not included in the MIPS instruction set: rpt $t2, loop # if(R[rs]>0) R[rs]=R[rs]−1, PC=PC+4+BranchAddr (note, BranchAddr is the encoded value that is used to calculate target “loop” address)

So what does the PC=PC+4+BranchAddr mean?

edited Dec 06 '20 at 12:45

Peter Cordes

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asked Feb 15 '18 at 19:55

Yinghan Ma

It means to update the program counter with a relative displacement, like other MIPS branch instructions. – Peter Cordes Feb 16 '18 at 04:42
could you be more specific? I am so bad at assembly code stuff – Yinghan Ma Feb 17 '18 at 21:45

What does 'pc = pc+4+BranchAddr' mean?

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