From 5e6127ec5b791009db5aca81825afb06fb7ae949 Mon Sep 17 00:00:00 2001
From: Mark Pizzolato <mark@infocomm.com>
Date: Fri, 19 Feb 2016 06:57:35 -0800
Subject: [PATCH] VAX: Fix signed overflow in op_mtpr()

As discussed in #277
---
 VAX/vax_cpu1.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/VAX/vax_cpu1.c b/VAX/vax_cpu1.c
index 869dbf3c..ae483ab5 100644
--- a/VAX/vax_cpu1.c
+++ b/VAX/vax_cpu1.c
@@ -1434,8 +1434,8 @@ return 0;
 
 int32 op_mtpr (int32 *opnd)
 {
-int32 val = opnd[0];
-int32 prn = opnd[1];
+uint32 val = (uint32)opnd[0];
+uint32 prn = (uint32)opnd[1];
 int32 cc;
 
 if (PSL & PSL_CUR)                                      /* must be kernel */