US Patent Issued to SiFive on Oct. 6 for "Secure control flow prediction" (French, American Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,754,997, issued on Oct. 6, was assigned to SiFive Inc. (Santa Clara, Calif.).

"Secure control flow prediction" was invented by Alex Solomatnikov (San Carlos, Calif.), Krste Asanovic (Oakland, Calif.), Yann Loisel (La Ciotat, France) and Cyril Bresch (Marseilles, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are disclosed for secure control flow prediction. Some implementations may be used to eliminate or mitigate the Spectre-class of attacks in a processor. For example, an integrated circuit (e.g., a processor) for executing instructions may include a control flow predictor with entries that include branch target addresses ass...