From c8df460b2842f098a1215ce72599f5391108a967 Mon Sep 17 00:00:00 2001
From: Ross Thompson <ross1728@gmail.com>
Date: Sun, 29 Jan 2023 00:49:23 -0600
Subject: [PATCH] Fixed bug with the btb's valid bit not beind held on a stall.

---
 pipelined/src/ifu/brpred/btb.sv | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pipelined/src/ifu/brpred/btb.sv b/pipelined/src/ifu/brpred/btb.sv
index 20500226a..b8c5c6bcd 100644
--- a/pipelined/src/ifu/brpred/btb.sv
+++ b/pipelined/src/ifu/brpred/btb.sv
@@ -94,7 +94,7 @@ module btb
     end else if ((UpdateEn) & ~StallM & ~FlushM) begin
       ValidBits[PCEIndex] <= #1 |InstrClassE;
     end
-	TablePredValidF = ValidBits[PCNextFIndex];
+	if(~StallF | reset) TablePredValidF = ValidBits[PCNextFIndex];
   end
 
   assign PredValidF = MatchXF ? 1'b1 : TablePredValidF;