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A. B. Register file. M. E. Stat. stat. valM. dmem_error. data out. read. Data memory. Mem. control. Memory. write. Addr. Data. Cnd. valE. ALU fun. CC. ALU. Execute. ALU A. ALU B. instr_valid imem_error. valA. valB. dstE. dstM. srcA. srcB. dstE. dstM. srcA.
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A B Register file M E Stat stat valM dmem_error data out read Data memory Mem. control Memory write Addr Data Cnd valE ALU fun. CC ALU Execute ALU A ALU B instr_valid imem_error valA valB dstE dstM srcA srcB dstE dstM srcA srcB Decode Write back icode ifun rA rB valC valP Instruction memory PC increment Fetch PC PC PC pIcode pCnd pValM pValC pValP