From ac5e82d9944f5b7475eb13546affd1bc03d57f4a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20B=2E=20Preu=C3=9Fer?= <thomas.preusser@xilinx.com>
Date: Thu, 21 Sep 2023 13:03:27 +0100
Subject: [PATCH] Ensure a minimum of two buffer slots even for length-1
 sequences.

---
 finn-rtllib/mvu/replay_buffer.sv | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/finn-rtllib/mvu/replay_buffer.sv b/finn-rtllib/mvu/replay_buffer.sv
index 942f1823ca..d4342f705c 100644
--- a/finn-rtllib/mvu/replay_buffer.sv
+++ b/finn-rtllib/mvu/replay_buffer.sv
@@ -111,7 +111,7 @@ module replay_buffer #(
 			assign	last_rep = RepLst;
 		end : blkRep
 
-		localparam int unsigned  AWIDTH = $clog2(LEN);
+		localparam int unsigned  AWIDTH = LEN < 2? 1 : $clog2(LEN);
 		typedef logic [AWIDTH  :0]  ptr_t;	// pointers with additional generational MSB
 		typedef logic [W     -1:0]  data_t;