ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,318, issued on March 18, was assigned to Hewlett Packard Enterprise Development LP (Spring, Texas).
"Speculative register reclamation" was invented by Sanyam Mehta (Hopkins, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system determines an original instruction with a first logical register (LR) mapped to a first physical register (PR). The system determines a current instruction with a current LR. A prior instruction is associated with a second LR mapped to a second PR. The system allocates the current LR to a third PR. Responsive to determining that the current and prior instructions are executed in different iterations, the system marks...