Question: Identify the types of register data dependencies in the following piece of code. L1: MUL r2, r3, r4 L2 ADD r3, r2, r4 L3: ADD

Identify the types of register data dependencies in the following piece of code. 

L1: MUL r2, r3, r4 L2 ADD r3, r2, r4 L3: ADD r4, r2, r4 L4 SUB r3, r4, r3

L1: MUL r2, r3, r4 L2 ADD r3, r2, r4 L3: ADD r4, r2, r4 L4 SUB r3, r4, r3

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