Mechanism for soft error detection and recovery in issue queues
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United States of America Patent
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Issued Date -
Jun 11, 2009
app pub date -
Dec 7, 2007
filing date -
Dec 7, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In one embodiment, the present invention includes logic to detect a soft error occurring in certain stages of a core and recover from such error if detected. One embodiment may include logic to determine if a lapsed time from a last instruction to issue from an issue stage of a pipeline exceeds a threshold and if so to reset a dispatch table, as well as to determine if a parity error is detected in an entry of the dispatch table associated with an enqueued instruction and if so to prevent the enqueued instruction from issuance. Other embodiments are described and claimed.
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