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Functional Verification of the HP PA 8000 Processor
The advanced microarchitecture of the HP PA 8000 CPU has many features that presented significant new verification challenges. These include out-of-order instruction execution, register renaming, speculative execution, four-way superscalar operation, decoupled instruction fetch, concurrent system bus interface, and PA-RISC 2.0 architecture enhancements. Enhanced functional verification tools and processes were required to address this microarchitectural complexity.
by Steven T. Mangelsdorf, Raymond P. Gratias, Richard M. Blumberg, and Rohit Bhatia
 Article 3 - aug97a3.pdf
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