ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,554,505, issued on Feb. 17, was assigned to Apple Inc. (Cupertino, Calif.).
"Early physical register release" was invented by Deepankar Duggal (Sunnyvale, Calif.) and Haoyan Jia (Clarksville, Md.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A processor with early physical register release is disclosed. The processor includes a pipeline and is configured to operate according to an instruction set architecture defining a number of architectural registers. The processor includes a register file having a number of physical registers, and a mapper configured to map physical registers to architectural registers. In response to detecting a first condition in...