inorder: bug in mdu

segfault was caused by squashed multiply thats in the process of an event.
use isProcessing flag to handle this and cleanup the MDU code

1 files changed, 3 insertions, 4 deletions

diff --git a/src/cpu/inorder/resources/mult_div_unit.hh b/src/cpu/inorder/resources/mult_div_unit.hh
index 753bc64a6..7d179bdce 100644
--- a/src/cpu/inorder/resources/mult_div_unit.hh
+++ b/src/cpu/inorder/resources/mult_div_unit.hh
@@ -64,10 +64,6 @@ class MultDivUnit : public Resource {
      *  valid mult/div sequence is being maintained
      */
     int getSlot(DynInstPtr inst);
-
-    int findSlot(DynInstPtr inst);
-
-    void freeSlot(int slot_idx);
     
     void init();
     
@@ -84,6 +80,9 @@ class MultDivUnit : public Resource {
 
     void requestAgain(DynInstPtr inst, bool &try_request);
 
+    void squash(DynInstPtr inst, int stage_num, InstSeqNum squash_seq_num,
+                ThreadID tid);
+
   protected:
     /** Latency & Repeat Rate for Multiply Insts */
     unsigned multRepeatRate;