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.

Date of Patent:
Mar. 23, 2004

Filed:

Dec. 05, 2000
Applicant:
Inventors:

Kenneth S. McElvain, Los Altos, CA (US);

Smita Bakshi, Los Gatos, CA (US);

Assignee:

Synplicity, Inc., Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/750 ; G06F 9/45 ;
U.S. Cl.
CPC ...
G06F 1/750 ; G06F 9/45 ;
Abstract

Methods and apparatuses for designing an integrated circuit (IC). In one exemplary method, a hardware description language (HDL) code is compiled to produce a representation of logic, and a portion of this representation of logic is allocated to a first physical portion of an area of the IC. This portion is reallocated automatically, according to machine determined parameters, such that a modified portion of the representation is allocated to the first physical portion. Examples of this reallocating include moving logic between regions on the IC, replicating logic based on the regions of the IC, decomposing RTL instances into elements based on information concerning the regions, reducing logic path crossings of a region's boundaries, and assuring that the original allocation or the result of a reallocation can be accommodated by the first physical portion of the IC.


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