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:
Nov. 25, 2003
Filed:
Feb. 23, 2000
Michael L. Ott, Pleasanton, CA (US);
Sun Microsystems, Inc., Santa Clara, CA (US);
Abstract
An optimized system and method for a parallel leading zero anticipation which ascertains “end of run” patterns in parallel. A string representing the operands of the floating-point addition is divided into nibbles of predetermined bit length (normally 4 bits). Each nibble is analyzed for the end of run patterns and the results from this analysis determine whether a run of leading zero's or one's has ended within the nibble, and if there has been an end of run, the location (bit) of the end of run. The highest order nibble that has an end of run provides the higher order bits in the LZA (leading zero anticipator output) value, while the lower two bits of the LZA value are correlated from the location end of run within the nibble, as previously determined.