ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,926, issued on Dec. 2, was assigned to Ventana Micro Systems Inc. (Cupertino, Calif.).
"Prediction unit that predicts branch history update information produced by multi-fetch block macro-op cache entry" was invented by John G. Favor (San Francisco) and Michael N. Michael (Folsom, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A prediction unit (PRU) predicts a sequence of fetch blocks (FBlks). Branch predictors provide, in response to a FBlk start address (FBSA) lookup in combination with branch history state (BHS), information to predict branch history update information (BHUI) produced by the FBlk. A buffer stores accumulated BHUJ. A macro-...