The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 28, 1999
Filed:
Oct. 08, 1997
Wan Lin Leung, Raleigh, NC (US);
Thomas Basilio Genduso, Apex, NC (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method and system in a superscalar data processing system are disclosed for the temporary designation and utilization of a plurality of physical registers as a stack. For each of the multiple instructions to be processed during a single clock cycle by the data processing system, a determination is made whether each of the instructions is a particular type of instruction. If a determination is made that an instruction is a particular type of instruction, a quantity of physical registers to be temporarily designated as a stack is determined utilizing the instruction. A second plurality of physical registers available to be utilized as a stack are determined whether the second plurality of the quantity. The second plurality of physical registers are then temporarily designated and utilized as a stack.