Question: In the incomplete MIPS implementation to the right the FP multiply unit has its own write port to the FP register file, shown in blue

In the incomplete MIPS implementation to the right the FP multiply unit has its own write port to the FP register file, shown in blue and labeled WM in several places. Because of this new MW port the sub.s instruction in the execution below does not stall, both the sub.s and mul. s can write back in cycle 8. The control logic has not yet been updated for MW.

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