From 6270090795a2897517dd435afcaa9eec9f74e027 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Mon, 26 Sep 2022 10:29:41 -0600
Subject: Fix prefetch PC not advancing when buffer is empty

---
 rtl/core/fetch/prefetch.sv | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rtl/core/fetch/prefetch.sv b/rtl/core/fetch/prefetch.sv
index 255bd4d..4a51e46 100644
--- a/rtl/core/fetch/prefetch.sv
+++ b/rtl/core/fetch/prefetch.sv
@@ -39,7 +39,7 @@ module core_prefetch
 
 		if(flush)
 			valid <= 0;
-		else if(stall & fetched & ~&valid)
+		else if(fetched & ((stall & ~&valid) | ~|valid))
 			valid <= valid + 1;
 		else if(~stall & ~fetched & |valid)
 			valid <= valid - 1;
-- 
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