inorder: cleanup in destructors

cleanup hanging pointers and other cruft in the destructors

1 files changed, 14 insertions, 6 deletions

diff --git a/src/cpu/inorder/pipeline_stage.cc b/src/cpu/inorder/pipeline_stage.cc
index 15f143251..b267ac00e 100644
--- a/src/cpu/inorder/pipeline_stage.cc
+++ b/src/cpu/inorder/pipeline_stage.cc
@@ -44,12 +44,17 @@ PipelineStage::PipelineStage(Params *params, unsigned stage_num)
       stageBufferMax(params->stageWidth),
       prevStageValid(false), nextStageValid(false), idle(false)
 {
-    switchedOutBuffer.resize(ThePipeline::MaxThreads);
-    switchedOutValid.resize(ThePipeline::MaxThreads);
-    
     init(params);
 }
 
+PipelineStage::~PipelineStage()
+{
+   for(ThreadID tid = 0; tid < numThreads; tid++) {
+       skidBuffer[tid].clear();
+       stalls[tid].resources.clear();
+   }
+}
+
 void
 PipelineStage::init(Params *params)
 {
@@ -66,6 +71,12 @@ PipelineStage::init(Params *params)
         else
             lastStallingStage[tid] = NumStages - 1;
     }
+
+    if ((InOrderCPU::ThreadModel) params->threadModel ==
+        InOrderCPU::SwitchOnCacheMiss) {
+        switchedOutBuffer.resize(ThePipeline::MaxThreads);
+        switchedOutValid.resize(ThePipeline::MaxThreads);
+    }
 }
 
 
@@ -190,9 +201,6 @@ PipelineStage::takeOverFrom()
 
         stalls[tid].resources.clear();
 
-        while (!insts[tid].empty())
-            insts[tid].pop();
-
         skidBuffer[tid].clear();
     }
     wroteToTimeBuffer = false;