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Flush using issue throttling and next-to-complete issue

IP.com Disclosure Number: IPCOM000012665D
Original Publication Date: 2003-May-19
Included in the Prior Art Database: 2003-May-19

Publishing Venue

IBM

Abstract

Next-to-complete group flushing is a processor core debug mechanism in which the instruction completion unit flushes all instructions from the completion pointer onward for a given execution thread. Disclosed is a method for performing NTC flushes in the presence of load and store unsafe indicators from the Load-Store unit, while allowing for forward progress while the flush request is outstanding.