The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 27, 2007
Filed:
Nov. 12, 2004
Brian David Barrick, Pflugerville, TX (US);
Kimberly Marie Fernsler, Round Rock, TX (US);
Dwain A. Hicks, Pflugerville, TX (US);
Takeki Osanai, Austin, TX (US);
David Scott Ray, Georgetown, TX (US);
Brian David Barrick, Pflugerville, TX (US);
Kimberly Marie Fernsler, Round Rock, TX (US);
Dwain A. Hicks, Pflugerville, TX (US);
Takeki Osanai, Austin, TX (US);
David Scott Ray, Georgetown, TX (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Methods for executing load instructions are disclosed. In one method, a load instruction and corresponding thread information are received. Address information of the load instruction is used to generate an address of the needed data, and the address is used to search a cache memory for the needed data. If the needed data is found in the cache memory, a cache hit signal is generated. At least a portion of the address is used to search a queue for a previous load and/or store instruction specifying the same address. If such a previous load/store instruction is found, the thread information is used to determine if the previous load/store instruction is from the same thread. If the previous load/store instruction is from the same thread, the cache hit signal is ignored, and the load instruction is stored in the queue. A load/store unit is also described.