Hi all,
I am currently trying to learn how the O3 cpu model is working. While
reading the code, I have found this function (in
src/cpu/o3/lsq_unit_impl.hh):
template <class Impl>
int
LSQUnit<Impl>::numLoadsReady()
{
int load_idx = loadHead;
int retval = 0;
while (load_idx != loadTail) {
assert(loadQueue[load_idx]);
if (loadQueue[load_idx]->readyToIssue()) {
++retval;
}
}
return retval;
}
As the load_idx is never changed, this is an infinite loop.
Fortunately, this function seems not to be used in the global code. But
I think leaving a bug even in dead code is not a good idea.
Thanks,
Nathanaël Prémillieu
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