Method and apparatus for condensed history buffer
US5870612A · kind A · utility
18Cited by
12References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 1996 |
| Grant date | Feb 9, 1999 |
| Priority date | — |
| Expiry date | Oct 15, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/3861
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The invention includes a method and apparatus for maintaining content of predefined registers of a processor which uses the registers for executing instructions, including an interruptible instruction. According to the invention, instructions are dispatched, including instructions ("targeting instructions") which target registers for holding register content, and an interruptible instruction. The content of a register is altered in response to executing a targeting instruction. An entry of register content is stored only for selected ones of the dispatched targeting instructions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.