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. 28, 2004
Filed:
May. 04, 2001
Masahito Matsuo, Tokyo, JP;
Toyohiko Yoshida, Toyko, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A second decoder ( ) of an instruction decode unit ( ) decodes an operation code for a multiply-add operation, and a second operation unit ( ) receives two data stored in a register file ( ) to perform the multiply-add operation. In parallel with the operations of the second decoder ( ) and the second operation unit ( ), a first decoder ( ) of the instruction decode unit ( ) decodes an operation code for 2 data load, and an operand access unit ( ) causes two data (e.g., n bits each) stored in an internal data memory ( ) to be transferred in parallel in the form of combined 2n-bit data to a first operation unit ( ). Then, two predetermined registers of the register file ( ) store the respective n-bit data from the first operation unit ( ).