Method and apparatus for selecting a register file in a data processing system
US5812868A · kind A · utility
104Cited by
9References
12Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 16, 1996 |
| Grant date | Sep 22, 1998 |
| Priority date | — |
| Expiry date | Sep 16, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/462
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A data processing system selects between a general register file and an alternate register file during an operation such that resources of the data processor may be more flexibly mapped to a context of the data processing system and, therefore, be more efficiently utilized. A control bit in a processor status register (PSR) is used to select between a general register file and an alternate register file depending upon a logic value to which it is set to a during an exception handling process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.