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PREFETCHING BASED UPON RETURN ADDRESSES

  • US 20140143522A1
  • Filed: 11/20/2012
  • Published: 05/22/2014
  • Est. Priority Date: 11/20/2012
  • Status: Active Grant
First Claim
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1. Apparatus for processing data in response to execution of a stream of program instructions including call instructions with respective associated return addresses, said apparatus comprising:

  • signature generation circuitry configured to generate a signature value indicative of a current state of said apparatus in dependence upon a plurality of return addresses generated during execution of said stream; and

    prefetch circuitry configured to perform one or more prefetch operations in dependence upon said signature value.

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