Invention Grant
US08131982B2 Branch prediction instructions having mask values involving unloading and loading branch history data
有权
分支预测指令具有涉及卸载和加载分支历史数据的掩码值
- Patent Title: Branch prediction instructions having mask values involving unloading and loading branch history data
- Patent Title (中): 分支预测指令具有涉及卸载和加载分支历史数据的掩码值
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Application No.: US12138789Application Date: 2008-06-13
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Publication No.: US08131982B2Publication Date: 2012-03-06
- Inventor: Philip G. Emma , Allan M. Hartstein , Keith N. Langston , Brian R. Prasky , Thomas R. Puzak , Charles F. Webb
- Applicant: Philip G. Emma , Allan M. Hartstein , Keith N. Langston , Brian R. Prasky , Thomas R. Puzak , Charles F. Webb
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Cantor Colburn LLP
- Agent William J. Stock
- Main IPC: G06F9/312
- IPC: G06F9/312
Abstract:
A method for branch prediction, the method comprising, receiving a load instruction including a first data location in a first memory area, retrieving data including a branch address and a target address from the first data location, and saving the data in a branch prediction memory, or receiving an unload instruction including the first data location in the first memory area, retrieving data including a branch address and a target address from the branch prediction memory, and saving the data in the first data location.
Public/Granted literature
- US20090313462A1 METHODS INVOLVING BRANCH PREDICTION Public/Granted day:2009-12-17
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