Some minor cleanups.

src/cpu/SConscript:
    Change the error message to be slightly nicer.
src/cpu/o3/commit.hh:
    Remove old code.
src/cpu/o3/commit_impl.hh:
    Remove old unused code.

--HG--
extra : convert_revision : 48aa430e1f3554007dd5e4f3d9e89b5e4f124390

src/cpu/o3/commit_impl.hh

@@ -82,8 +82,7 @@ DefaultCommit<Impl>::DefaultCommit(Params *params)
       numThreads(params->numberOfThreads),
       drainPending(false),
       switchedOut(false),
-      trapLatency(params->trapLatency),
-      fetchTrapLatency(params->fetchTrapLatency)
+      trapLatency(params->trapLatency)
 {
     _status = Active;
     _nextStatus = Inactive;
@@ -123,9 +122,6 @@ DefaultCommit<Impl>::DefaultCommit(Params *params)
         tcSquash[i] = false;
         PC[i] = nextPC[i] = 0;
     }
-
-    fetchFaultTick = 0;
-    fetchTrapWait = 0;
 }
 
 template <class Impl>
@@ -235,7 +231,6 @@ DefaultCommit<Impl>::setCPU(O3CPU *cpu_ptr)
     cpu->activateStage(O3CPU::CommitIdx);
 
     trapLatency = cpu->cycles(trapLatency);
-    fetchTrapLatency = cpu->cycles(fetchTrapLatency);
 }
 
 template <class Impl>
@@ -292,13 +287,6 @@ DefaultCommit<Impl>::setIEWQueue(TimeBuffer<IEWStruct> *iq_ptr)
     fromIEW = iewQueue->getWire(-iewToCommitDelay);
 }
 
-template <class Impl>
-void
-DefaultCommit<Impl>::setFetchStage(Fetch *fetch_stage)
-{
-    fetchStage = fetch_stage;
-}
-
 template <class Impl>
 void
 DefaultCommit<Impl>::setIEWStage(IEW *iew_stage)