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. 10, 1998
Filed:
Apr. 02, 1997
Applicant:
Inventors:
Marc A Quattromani, Allen, TX (US);
Raul A Garibay, Jr, Richardson, TX (US);
Steven C McMahan, Richardson, TX (US);
Mark W Hervin, Dallas, TX (US);
Assignee:
National Semiconductor Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
711135 ; 711125 ; 395392 ;
Abstract
A system and method of readily identifying and handling self-modifying variable length instructions in a pipelined processor is disclosed employing index tags associated with each stage of the execution pipeline wherein the index tags identify the cache line numbers in the instruction cache from which the instructions originate.