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Renaming with generation numbers

  • US 9,841,974 B2
  • Filed: 10/31/2014
  • Issued: 12/12/2017
  • Est. Priority Date: 04/25/2014
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a register, addressed by a register address, configured to store a value;

    a renamer configured to receive the register address and an indication of whether the register is a destination or a source for a fetched instruction and generate an inflight generation number associated with the register for the fetched instruction; and

    a reservation queue, communicatively coupled with the register and the renamer, configured to concurrently store the register address and the inflight generation number.

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