Also restore dirty block state when rewinding a cache hit

mortbopet · Jul 20, 2020 · 6162394 · 6162394
1 parent 7ac8b78
commit 6162394
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/cachesim/cachesim.cpp b/src/cachesim/cachesim.cpp
@@ -372,8 +372,8 @@ void CacheSim::undo() {
     else if (!trace.transaction.isHit) {
         way = oldWay;
     }
-    // Case 3: Else, it was a cache hit, and only the replacement fields needs to be updated
-
+    // Case 3: Else, it was a cache hit; Revert replacement fields and dirty blocks
+    way.dirtyBlocks = oldWay.dirtyBlocks;
     revertCacheLineReplFields(line, oldWay, wayIdx);
 
     // Notify that changes to the way has been performed