From 88928aa1b28e0e2076491c70296b3088215151a2 Mon Sep 17 00:00:00 2001
From: Graham Edgecombe <gpe@grahamedgecombe.com>
Date: Sat, 2 Dec 2017 20:13:35 +0000
Subject: [PATCH] Fix immediate decoding in J-type instructions

---
 rv32_decode.sv | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rv32_decode.sv b/rv32_decode.sv
index a88bc95..6fcde9a 100644
--- a/rv32_decode.sv
+++ b/rv32_decode.sv
@@ -50,7 +50,7 @@ module rv32_decode (
     logic [31:0] imm_s = {{21{sign}}, instr_in[30:25], instr_in[11:8],  instr_in[7]};
     logic [31:0] imm_b = {{20{sign}}, instr_in[7],     instr_in[30:25], instr_in[11:8],  1'b0};
     logic [31:0] imm_u = {sign,       instr_in[30:20], instr_in[19:12], 12'b0};
-    logic [31:0] imm_j = {{12{sign}}, instr_in[19:12], instr_in[20],    instr_in[30:25], instr_in[24:1], 1'b0};
+    logic [31:0] imm_j = {{12{sign}}, instr_in[19:12], instr_in[20],    instr_in[30:25], instr_in[24:21], 1'b0};
 
     logic [31:0] shamt = {27'b0, rs2};