1.3 What is an R10000 Microprocessor?
Functional Units
The five execution pipelines allow overlapped instruction execution by issuing instructions to the following five functional units:
There are also three "iterative" units to compute more complex results:
- Integer multiply and divide operations are performed by an Integer Multiply/Divide execution unit; these instructions are issued to ALU2. ALU2 remains busy for the duration of the divide.
- Floating-point divides are performed by the Divide execution unit; these instructions are issued to the floating-point multiplier.
- Floating-point square root are performed by the Square-root execution unit; these instructions are issued to the floating-point multiplier.
Copyright 1995, MIPS Technologies, Inc. -- 29 JAN 96
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