diff options
Diffstat (limited to 'src/cpu/o3/iew_impl.hh')
| -rw-r--r-- | src/cpu/o3/iew_impl.hh | 23 |
1 files changed, 2 insertions, 21 deletions
diff --git a/src/cpu/o3/iew_impl.hh b/src/cpu/o3/iew_impl.hh index cf2d5be5e..0a4e147c4 100644 --- a/src/cpu/o3/iew_impl.hh +++ b/src/cpu/o3/iew_impl.hh @@ -104,13 +104,12 @@ DefaultIEW<Impl>::DefaultIEW(O3CPU *_cpu, DerivO3CPUParams *params) for (ThreadID tid = 0; tid < numThreads; tid++) { dispatchStatus[tid] = Running; - stalls[tid].commit = false; fetchRedirect[tid] = false; } updateLSQNextCycle = false; - skidBufferMax = (3 * (renameToIEWDelay * params->renameWidth)) + issueWidth; + skidBufferMax = (renameToIEWDelay + 1) * params->renameWidth; } template <class Impl> @@ -434,7 +433,6 @@ DefaultIEW<Impl>::takeOverFrom() for (ThreadID tid = 0; tid < numThreads; tid++) { dispatchStatus[tid] = Running; - stalls[tid].commit = false; fetchRedirect[tid] = false; } @@ -761,26 +759,12 @@ DefaultIEW<Impl>::resetEntries() } template <class Impl> -void -DefaultIEW<Impl>::readStallSignals(ThreadID tid) -{ - if (fromCommit->commitBlock[tid]) { - stalls[tid].commit = true; - } - - if (fromCommit->commitUnblock[tid]) { - assert(stalls[tid].commit); - stalls[tid].commit = false; - } -} - -template <class Impl> bool DefaultIEW<Impl>::checkStall(ThreadID tid) { bool ret_val(false); - if (stalls[tid].commit) { + if (fromCommit->commitInfo[tid].robSquashing) { DPRINTF(IEW,"[tid:%i]: Stall from Commit stage detected.\n",tid); ret_val = true; } else if (instQueue.isFull(tid)) { @@ -802,8 +786,6 @@ DefaultIEW<Impl>::checkSignalsAndUpdate(ThreadID tid) // If status was Squashing // check if squashing is not high. Switch to running this cycle. - readStallSignals(tid); - if (fromCommit->commitInfo[tid].squash) { squash(tid); @@ -824,7 +806,6 @@ DefaultIEW<Impl>::checkSignalsAndUpdate(ThreadID tid) dispatchStatus[tid] = Squashing; emptyRenameInsts(tid); wroteToTimeBuffer = true; - return; } if (checkStall(tid)) { |