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| /gem5/src/cpu/o3/ | ||
| H A D | inst_queue_impl.hh | diff 10797:855cafd64da1 Wed Apr 22 10:52:00 EDT 2015 Brandon Potter <brandon.potter@amd.com> cpu: remove conditional check (count > 0) on o3 IQ squashes The o3 cpu instruction queue model uses the count variable to track the number of unissued instructions in the queue. Previously, the squash method used this variable to avoid executing the doSquash method when there were no unissued instructions in the pipeline. A corner case problem exists when only issued instructions exist in the pipeline and a squash occurs; the doSquash code is not invoked and subsequently does not clean up state properly. |
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