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RequestBuffer: fix bug in rdy update condition #194

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Jul 4, 2024
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@linjuanZ linjuanZ commented Jul 4, 2024

The rdy field in request buffer entry is dependent on whether there are free ways left with the same set as the buffer entry. So the set recorded in the buffer entry should be used, rather than the input request, otherwise noFreeWay logic would be inaccurate and results in X-state propagation in VCS simulation.

The `rdy` field in request buffer entry is dependent on whether there
are free ways left with the same set as the buffer entry. So the set
recorded in the buffer entry should be used, rather than the input
request, otherwise `noFreeWay` logic would be inaccurate and results in
X-state propagation in VCS simulation.
@linjuanZ linjuanZ merged commit cdcd1b7 into master Jul 4, 2024
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@linjuanZ linjuanZ deleted the fix-noFreeWay branch July 4, 2024 06:54
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2 participants