Importance

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Abstract

A method for predicting a fetch address of a next instruction to be fetched includes selecting, at a processor, a first way identifier or a second way identifier as a way pointer based on an active fetch address and historical prediction data. A first predictor table includes a first entry having the first way identifier and a second predictor table includes a second entry having the second way identifier. The method also includes selecting a first or second fetch address as a predicted fetch address based on the way pointer. A target table includes a first way storing the first fetch address and a second way storing the second fetch address. The first way and the second way are associated with the active fetch address. The first fetch address is associated with the first way identifier and the second fetch address is associated with the second way identifier.

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First Claim