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:
Apr. 09, 2002
Filed:
Nov. 18, 1998
Masayuki Yamasaki, Daitou, JP;
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Abstract
A program control apparatus for processing an instruction by using a pipeline processing for providing the effective stall control when resource competition is caused by the instructions is disclosed. The NOP field which shows the number of NOP (no operation processing) instruction is assigned in the instruction code with the possibility to cause the resource competition, and set the number of NOP for the stall and performs the NOP according to the NOP field. When the NOP field of the following instruction shows N, stall is executed by inserting and performing NOP of N piece by the stall control part before the following instruction is executed. When the NOP field is assigned in both a preceding instruction and a following instruction, NOP of predetermined number N piece is inserted after the preceding instruction is executed, NOP of predetermined number M piece is inserted before the following instruction is executed, and the stall is achieved.