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SYSTEM AND METHOD FOR PERFORMING TABLE LOOK-UPS USING A MULTIPLE DATA FETCH ARCHITECTURE

  • US 20020042869A1
  • Filed: 09/08/1997
  • Published: 04/11/2002
  • Est. Priority Date: 09/08/1997
  • Status: Active Grant
First Claim
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1. A method for use with a data processing system for accessing data from a data memory using indirect addressing wherein one full data access is made for every instruction cycle executed by said data processing system, said method including the steps of:

  • performing a dual data fetch during said instruction cycle, said dual data fetch including using a data pointer to a location in a first data memory to fetch a data word from said first data memory, said dual data fetch including fetching an offset value from a second data memory; and

    updating said data pointer by adding a pointer associated with a base address to an offset value retrieved during a previous instruction cycle.

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