US Patent Issued to International Business Machines on Feb. 24 for "Live range reduction to enhance register allocation of structured control flow programs" (New York Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,119, issued on Feb. 24, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Live range reduction to enhance register allocation of structured control flow programs" was invented by Prasanth Chatarasi (White Plains, N.Y.) and Wei Wang (Yorktown Heights, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Reducing live range of variables for register allocation of structured control-flow programs is provided. The method comprises defining an affine expression for each static single assignment (SSA) variable contained in an input program for a computer compiler. The affine expression of a SSA variable in the input program is derived ...