start of new file

[IRC.git] / Robust / src / Analysis / Prefetch / PrefetchPair.java

diff --git a/Robust/src/Analysis/Prefetch/PrefetchPair.java b/Robust/src/Analysis/Prefetch/PrefetchPair.java
index f9026b011741c8a5575784969a2223740f856bee..fa0ecaab1ec560366c7a341faa5264bcd8a7f997 100644 (file)
--- a/Robust/src/Analysis/Prefetch/PrefetchPair.java
+++ b/Robust/src/Analysis/Prefetch/PrefetchPair.java
@@ -98,4 +98,42 @@ public class PrefetchPair {
        }
        return newpp;
     }
+
+    /** This function returns true if a tempdescriptor object is found in the array of descriptors
+     *  for a given prefetch pair else returns false*/
+    public boolean containsTemp(TempDescriptor td) {
+       ArrayList<Descriptor> desc = (ArrayList<Descriptor>) getDesc();
+       for(ListIterator it = desc.listIterator();it.hasNext();) {
+           Object o = it.next();
+           if(o instanceof IndexDescriptor) {
+               ArrayList<TempDescriptor> tdarray = (ArrayList<TempDescriptor>)((IndexDescriptor)o).tddesc;
+               if(tdarray.contains(td)) {
+                   return true;
+               }
+           }
+       }
+       return false;
+    }
+
+    /** This function creates a new Arraylist of Descriptors by replacing old tempdescriptors with new
+     * tempdescriptors when there is a match */
+    public PrefetchPair replaceTemp(TempDescriptor td, TempDescriptor[] newtd) {
+       PrefetchPair npp=(PrefetchPair)clone();
+       ArrayList<Descriptor> desc = (ArrayList<Descriptor>) npp.getDesc();
+       for(ListIterator it = desc.listIterator();it.hasNext();) {
+           Object currdesc = it.next();
+           if(currdesc instanceof IndexDescriptor) {
+               ArrayList<TempDescriptor> tdarray = (ArrayList<TempDescriptor>)((IndexDescriptor)currdesc).tddesc;
+               if (tdarray.contains(td)) {
+                   int index = tdarray.indexOf(td);
+                   tdarray.set(index, newtd[0]);
+                   for(int i=1;i<newtd.length;i++) {
+                       tdarray.add(newtd[i]);
+                   }
+               }
+           }
+       }
+       return npp;
+    }
+
 }