Apparatus and method for native mode processing in a RISC-based

Details Apparatus and method for native mode processing in a RISC-based Apparatus and method for native mode processing in a RISC-based

1997-02-28

1999-06-01

An, Meng-Ai T.

395385, 395389, 39580041, G06F 930

Patent

active

059095679

ABSTRACT:
A processor reduces or avoids a degradation of computing performance in a computer system using a RISC-based CISC processor by selectively bypassing a CISC-to-RISC translator or decoder and supplying native RISC codes directly to the RISC core. The processor that executes CISC-type instructions on a RISC core includes a native mode Op supply circuit for supplying RISC Ops directly from an instruction memory to a RISC execution engine.

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