ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,915, issued on Sept. 23, was assigned to Arm Ltd. (Cambridge, Great Britain).
"Selective deactivation of prediction circuitry" was invented by Houdhaifa Bouzguarrou (Austin, Texas) and Michael Brian Schinzler (Round Rock, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A data processing apparatus is provided. It includes first history storage circuitry that stores control flow information of control flow instructions. Second history storage circuitry stores a subset of the control flow information by considering a subset of the control flow instructions. Prediction circuitry produces a prediction for a specific one of the control flow instruct...