Method and apparatus for a data processor to support multi-mode, multi-precision integer arithmetic
US4893267A · kind A · utility
40Cited by
4References
3Claims
0Family size
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Key dates
| Filing date | Nov 1, 1988 |
| Grant date | Jan 9, 1990 |
| Priority date | — |
| Expiry date | Nov 1, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2207/382
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In a data processor having an integer arithmetic unit, the carry-in control logic, carry-out control logic, and the overflow control logic of the arithmetic unit are adapted to be directly controlled by respective carry-in enable, carry-out enable, and overflow enable fields of the integer arithmetic instructions during the execution thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.