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. 07, 1995

Filed:

Dec. 31, 1990
Applicant:
Inventors:

Yoshiko Tamaki, Kunitachi, JP;

Shigeko Yazawa, Hadano, JP;

Yasuhiro Inagami, Manchester, GB;

Katsuyoshi Kitai, Kokubunji, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395375 ; 3642318 ; 36423221 ; 3642625 ; 364263 ; 364D / ; 36493151 ; 3649463 ; 3649483 ; 36494834 ;
Abstract

A data processor having memory requesters to execute instructions, an instruction hold unit disposed for each resource to hold an instruction being executed in the resource and instructions to be executed therein, and execution control units to cause, in a case where an execution completion report of an instruction being executed in either one of the resources is received, an instruction held in an instruction hold unit corresponding to the resource to be immediately executed, thereby successively supplying the respective resources with data items to be employed for executions of the consecutive instructions in the resources.


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