Extended-precision accumulation of multiplier output
US7181484B2 · kind B2 · utility
83Cited by
108References
48Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2001 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | Feb 21, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F7/725
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A multiply unit includes an extended precision accumulator. Microprocessor instructions are provided for manipulating portions of the extended precision accumulator including an instruction to move the contents of a portion of the extended accumulator to a general-purpose register (“MFLHXU”) and an instruction to move the contents of a general-purpose register to a portion of the extended accumulator (“MTLHX”).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.