How is squash handled in gem5 o3 CPU? What's exactly done in squash?
>From codes under src/cpu/o3, there are squash functions defined in
different pipeline resources, like iew, inst_queue, lsq etc. Does this mean
each part can initialize squash?
In following code, when an instruction is squashed, why we still set it as
Executed and canCommited?
Thanks
DefaultIEW<Impl>::executeInsts()
// Check if the instruction is squashed; if so then skip it
if (inst->isSquashed()) {
inst->setExecuted();
inst->setCanCommit();
++iewExecSquashedInsts;
decrWb(inst->seqNum);
continue;
}
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