Invention Grant
- Patent Title: Information processing device with branch history restoration
- Patent Title (中): 具有分支历史恢复的信息处理设备
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Application No.: US11071306Application Date: 2005-03-04
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Publication No.: US07647488B2Publication Date: 2010-01-12
- Inventor: Toru Hikichi
- Applicant: Toru Hikichi
- Applicant Address: JP Kawasaki
- Assignee: Fujitsu Limited
- Current Assignee: Fujitsu Limited
- Current Assignee Address: JP Kawasaki
- Agency: Staas & Halsey LLP
- Main IPC: G06F9/00
- IPC: G06F9/00
Abstract:
The information processing device of the present invention stores the branch history information of a fetched instruction. When branch prediction fails, BHR information used for the branch prediction is restored using this stored branch history information. Thus, even when branch prediction fails, BHR information can be accurately restored. Accordingly, prediction accuracy can be improved.
Public/Granted literature
- US20050149710A1 Information processing device Public/Granted day:2005-07-07
Information query
