Extended instruction word folding apparatus
US6631459B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2000 |
| Grant date | Oct 7, 2003 |
| Priority date | — |
| Expiry date | Mar 25, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/30185
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An apparatus includes an instruction word storage for storing a plurality of general instruction words and extended instruction words, a temporary storage unit including a plurality of buffers for pre-fetching and storing the plurality of instruction words from the instruction word storage, an instruction word search unit for receiving and decoding the plurality of instruction words pre-fetched and outputting a position signal of a general instruction word and the positions of one or more successive extended instruction words stored in the temporary storage a selector for selecting a buffer in which a general instruction word is stored and outputting the general instruction word sequentially, according to the position signal a general instruction word parser for receiving a general instruction word from the selector and outputting a plurality of control signals for executing the general instruction word simultaneously, an extended data parser is provided for performing an operational processing of operands of one or more successive extended instruction words stored in each buffer of the temporary storage according to the position signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.