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. 25, 2001
Filed:
Mar. 31, 1999
Masaitsu Nakajima, Osaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A compiler is adapted to minimize the ultimate code size of an object program that has been translated from a source program including a plurality of instructions. The compiler includes first instruction length calculator for calculating a total length of the instructions where variables for the source program are allocated to a first type of register resources in accordance with a first instruction format and second instruction length calculator for calculating a total length of the instructions where the variables are allocated to a second type of register resources in accordance with a second instruction format. The length of one instruction defined by the second instruction format is different from that defined by the first instruction format. The variables are allocated to respectively appropriate ones of the register resources based on the results of calculation derived by the first and second instruction length calculators.