Invention Grant
US09471325B2 Method and apparatus for selective renaming in a microprocessor
有权
用于在微处理器中选择性重命名的方法和装置
- Patent Title: Method and apparatus for selective renaming in a microprocessor
- Patent Title (中): 用于在微处理器中选择性重命名的方法和装置
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Application No.: US14091340Application Date: 2013-11-27
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Publication No.: US09471325B2Publication Date: 2016-10-18
- Inventor: Anil Krishna , Sandeep Suresh Navada , Niket Kumar Choudhary , Michael Scott McIlvaine , Thomas Andrew Sartorius , Rodney Wayne Smith , Kenneth Alan Dockser
- Applicant: QUALCOMM Incorporated
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM Incorporated
- Current Assignee: QUALCOMM Incorporated
- Current Assignee Address: US CA San Diego
- Agency: Muncy, Geissler, Olds & Lowe, P.C.
- Main IPC: G06F9/38
- IPC: G06F9/38
Abstract:
A method and apparatus for allowing an out-of-order processor to reuse an in-use physical register is disclosed herein. The method and apparatus uses identifiers, such as tokens and/or other identifiers in a rename map table (RMT) and a physical register file (PRF), to indicate whether an instruction result is allowed or disallowed to be written into a physical register.
Public/Granted literature
- US20150019843A1 METHOD AND APPARATUS FOR SELECTIVE RENAMING IN A MICROPROCESSOR Public/Granted day:2015-01-15
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