Steering a history buffer entry to a specific recovery port during speculative flush recovery lookup in a processor
US11403109B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2018 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Aug 5, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/3856
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer system, processor, and method for processing information is disclosed that includes reading out a plurality of entries in a history buffer prior to initiating a flush recovery process; initiating the flush recovery process; determining which of the history buffer entries read out of the history buffer should be recovered; and sending information associated with the history buffer entries to be recovered to one or more history buffer recovery ports. In one or more embodiments, the history buffer entries are continually read out in response to a processor and history buffer entries read out from the history buffer are directed to a specific history buffer recovery port associated with a mapper of a specific logical register.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.