Browse Prior Art Database

Load/Store Age Determination

IP.com Disclosure Number: IPCOM000012645D
Original Publication Date: 2003-May-19
Included in the Prior Art Database: 2003-May-19

Publishing Venue

IBM

Abstract

When implementing virtual load/store tags, the number of available tags is doubled. Since the Load/Store unit does not have visibility to the most significant bit of the tag, it can't always determine ages (older/younger) correctly between loads and stores, resulting in incorrect results.