US Patent Issued to SiFive on May 27 for "Tracking of store operations" (Taiwanese, French Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,314,715, issued on May 27, was assigned to SiFive Inc. (Santa Clara, Calif.).

"Tracking of store operations" was invented by Yueh Chi Wu (Taichung, Taiwan) and Yohann Rabefarihy (Roquebrune-sur-argen, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus and methods for tracking sub-micro-operations and groups thereof are described. An integrated circuit includes a load store unit configured to receive store micro-operations cracked from a vector store instruction. The load store unit is configured to unroll multiple store sub-micro-operations from each of the store micro-operations. The load store unit includes an issue status vector to track...