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Apparatus, method and system for fast register renaming using virtual renaming

  • US 20020144090A1
  • Filed: 03/30/2001
  • Published: 10/03/2002
  • Est. Priority Date: 03/30/2001
  • Status: Active Grant
First Claim
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1. A method for renaming a source for use with a processor, the method comprising:

  • providing at least one instruction;

    building instruction dependency information based on the at least one instruction;

    caching the at least one instruction with the instruction dependency information to provide cached instruction information;

    renaming a register based on the cached instruction information to provide a renamed register; and

    multiplexing the instruction dependency information and the renamed register to rename the source.

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