diff options
Diffstat (limited to 'src/cpu/o3')
| -rw-r--r-- | src/cpu/o3/commit_impl.hh | 8 | ||||
| -rw-r--r-- | src/cpu/o3/iew.hh | 3 | ||||
| -rw-r--r-- | src/cpu/o3/lsq_impl.hh | 15 |
3 files changed, 13 insertions, 13 deletions
diff --git a/src/cpu/o3/commit_impl.hh b/src/cpu/o3/commit_impl.hh index 86b4da8ce..b16955691 100644 --- a/src/cpu/o3/commit_impl.hh +++ b/src/cpu/o3/commit_impl.hh @@ -814,7 +814,7 @@ DefaultCommit<Impl>::commit() // @todo: Make this handle multi-cycle communication between // commit and IEW. if (checkEmptyROB[tid] && rob->isEmpty(tid) && - !iewStage->hasStoresToWB() && !committedStores[tid]) { + !iewStage->hasStoresToWB(tid) && !committedStores[tid]) { checkEmptyROB[tid] = false; toIEW->commitInfo[tid].usedROB = true; toIEW->commitInfo[tid].emptyROB = true; @@ -968,7 +968,7 @@ DefaultCommit<Impl>::commitHead(DynInstPtr &head_inst, unsigned inst_num) "instruction [sn:%lli] at the head of the ROB, PC %#x.\n", head_inst->seqNum, head_inst->readPC()); - if (inst_num > 0 || iewStage->hasStoresToWB()) { + if (inst_num > 0 || iewStage->hasStoresToWB(tid)) { DPRINTF(Commit, "Waiting for all stores to writeback.\n"); return false; } @@ -983,7 +983,7 @@ DefaultCommit<Impl>::commitHead(DynInstPtr &head_inst, unsigned inst_num) return false; } else if (head_inst->isLoad()) { - if (inst_num > 0 || iewStage->hasStoresToWB()) { + if (inst_num > 0 || iewStage->hasStoresToWB(tid)) { DPRINTF(Commit, "Waiting for all stores to writeback.\n"); return false; } @@ -1038,7 +1038,7 @@ DefaultCommit<Impl>::commitHead(DynInstPtr &head_inst, unsigned inst_num) DPRINTF(Commit, "Inst [sn:%lli] PC %#x has a fault\n", head_inst->seqNum, head_inst->readPC()); - if (iewStage->hasStoresToWB() || inst_num > 0) { + if (iewStage->hasStoresToWB(tid) || inst_num > 0) { DPRINTF(Commit, "Stores outstanding, fault must wait.\n"); return false; } diff --git a/src/cpu/o3/iew.hh b/src/cpu/o3/iew.hh index 3caf847ed..bc60f401b 100644 --- a/src/cpu/o3/iew.hh +++ b/src/cpu/o3/iew.hh @@ -208,6 +208,9 @@ class DefaultIEW /** Returns if the LSQ has any stores to writeback. */ bool hasStoresToWB() { return ldstQueue.hasStoresToWB(); } + /** Returns if the LSQ has any stores to writeback. */ + bool hasStoresToWB(unsigned tid) { return ldstQueue.hasStoresToWB(tid); } + void incrWb(InstSeqNum &sn) { if (++wbOutstanding == wbMax) diff --git a/src/cpu/o3/lsq_impl.hh b/src/cpu/o3/lsq_impl.hh index f8e77b64e..5aea020a9 100644 --- a/src/cpu/o3/lsq_impl.hh +++ b/src/cpu/o3/lsq_impl.hh @@ -584,17 +584,14 @@ LSQ<Impl>::hasStoresToWB() std::list<unsigned>::iterator threads = activeThreads->begin(); std::list<unsigned>::iterator end = activeThreads->end(); - if (threads == end) - return false; - while (threads != end) { unsigned tid = *threads++; - if (!hasStoresToWB(tid)) - return false; + if (hasStoresToWB(tid)) + return true; } - return true; + return false; } template<class Impl> @@ -607,11 +604,11 @@ LSQ<Impl>::willWB() while (threads != end) { unsigned tid = *threads++; - if (!willWB(tid)) - return false; + if (willWB(tid)) + return true; } - return true; + return false; } template<class Impl> |