ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,625, issued on Aug. 12, was assigned to Marvell Asia Pte Ltd. (Singapore).
"System and method for instruction unwinding in an out-of-order processor" was invented by David A. Carlson (Haslet, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and corresponding method unwind instructions in an out-of-order (OoO) processor. The system comprises a mapper. In response to a restart event causing at least one instruction to be unwound, the mapper restores a present integer mapper state and present floating-point (FP) mapper state, used for mapping instructions, to a former integer mapper state and former FP mapper state, respectively. The mappe...