From b5cfa7ef9b83271278da11cf229524324c0b57d0 Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Sun, 22 Jan 2023 14:26:47 -0800
Subject: Ignore redundant fill responses in inline_cache.

---
 memory/cache.h | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/memory/cache.h b/memory/cache.h
index 8554910..c7fb602 100644
--- a/memory/cache.h
+++ b/memory/cache.h
@@ -32,7 +32,7 @@ namespace memory {
             for (unsigned int i = 0; i < WAYS; ++i) {
                 auto &stag = stags[i];
                 if (stag.serial && stag.line_address == r.line_address) {
-                    handle_response(r, stag, sdata[i]);
+                    handle_response(r, stag);
                     return;
                 }
             }
@@ -48,10 +48,14 @@ namespace memory {
             handle_response(r, stags[victim], sdata[victim]);
         }
 
-        void handle_response(const dram::response &r, tag &t, line &d) {
+        void handle_response(const dram::response &r, tag &t) {
             t.serial = ++last_serial;
-            t.line_address = r.line_address;
             t.transaction = r.transaction;
+        }
+
+        void handle_response(const dram::response &r, tag &t, line &d) {
+            handle_response(r, t);
+            t.line_address = r.line_address;
             d = r.data;
         }
 
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