US Patent Issued to SiFive on March 25 for "Using renamed registers to support multiple vset{i}vl{i} instructions" (California Inventor)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,260,217, issued on March 25, was assigned to SiFive Inc. (Santa Clara, Calif.).

"Using renamed registers to support multiple vset{i}vl{i} instructions" was invented by Josh Smith (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for renaming architectural register, such as control and status register (CSR), is disclosed. The method includes decoding an instruction for updating CSR, updating the CSR based on a respective instruction of the one or more instructions, allocating a unique tag to the instruction in pipeline, and writing the tag into a mapping table for renaming the CSR. The tag can identify the CSR included in the instru...