ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,552, issued on April 7, was assigned to Arm Ltd. (Cambridge, Great Britain).
"Branch prediction based on sampled values" was invented by Houdhaifa Bouzguarrou (Austin, Texas), Alexander Cole Shulyak (Austin, Texas) and Rami Mohammad Al Sheikh (Morrisville, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus comprises sampled state storage to store sampled register values of a register operand sampled at a sampling point in program flow, and prediction circuitry. In response to a semantic branch trigger indicating that there is a future branch instruction at a point in program flow later than the sampling point which satisfies a semantic...