From bfba9b3eb34bfd9cc5d516153ddc960a44f7c5f2 Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Tue, 30 Aug 2016 11:14:46 +0200
Subject: [PATCH] Bugfix in picorv32_pcpi_fast_mul

---
 picorv32.v | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/picorv32.v b/picorv32.v
index fe45e18..d8c088f 100644
--- a/picorv32.v
+++ b/picorv32.v
@@ -1909,7 +1909,7 @@ module picorv32_pcpi_fast_mul (
 	end
 
 	always @(posedge clk) begin
-		rd <= rs1 * rs2;
+		rd <= $signed(rs1) * $signed(rs2);
 	end
 
 	always @(posedge clk) begin