US Patent Issued to Apple on May 12 for "Cache control to preserve register data" (British, American, Canadian Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,821, issued on May 12, was assigned to Apple Inc. (Cupertino, Calif.).

"Cache control to preserve register data" was invented by Jonathan M. Redshaw (St. Albans, Great Britain), Winnie W. Yeung (San Jose, Calif.), Benjiman L. Goodman (Austin, Canada), David K. Li (Austin, Texas), Zelin Zhang (San Jose, Calif.) and Yoong Chert Foo (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques are disclosed relating to eviction control for cache lines that store register data. In some embodiments, memory hierarchy circuitry is configured to provide memory backing for register operand data in one or more cache circuits. Lock circuitry may control a f...