pipeline datapath and instruction dependency

I am asked to identify the dependencies between these instructions for a pipelined datapath

I can see that there's 3 dependencies here..

instruction in line 2 & 3
instruction in line 4 & 5
instruction in line 9 & 10

assuming that we number the instructions from 1 at the start of the line... is this true?
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I assume dependencies in pipelined datapaths means the second instruction has to wait for the first to finish?
What does line 6 do?  Is it dependendent on what happens in line 5?

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kuntilanakAuthor Commented:
you are right about dependencies

oh yes... the store word depends on the add as well... I missed that... any other dependencies?
How about the BNE instruction - doesn't it depend on the contents of the registers?
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kuntilanakAuthor Commented:
well yes it depends on the register $4 and $0, but those two registers don't cause a problem
Ok, then I think your question is resolved.
kuntilanakAuthor Commented:
also the add and the sw doesn't seem to create a hazard as there is forwarding in the pipeline architecture
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