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Data processing system and method thereof

  • US 5,537,562 A
  • Filed: 04/19/1995
  • Issued: 07/16/1996
  • Est. Priority Date: 03/31/1993
  • Status: Expired due to Term
First Claim
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1. A method of executing an instruction in a data processor, comprising the steps of:

  • receiving a first instruction;

    decoding the first instruction to provide a first plurality of control signals;

    accessing an enable value from an enabled one of a plurality of processing elements in response to a first portion of the plurality of control signals, the enable value selectively enabling the enabled one of a plurality of processing elements to participate in execution of an instruction;

    accessing a history value from the enabled one of a plurality of processing elements in response to a second portion of the plurality of control signals; and

    selectively modifying the enable value in response to a logic state of the history value.

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