From d0ccb7f96f74013785c4a1c08b82b53f0434980e Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sat, 29 Sep 2018 04:05:27 +0100
Subject: [PATCH] stop a compiler warning

---
 riscv/insns/csrrw.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/riscv/insns/csrrw.h b/riscv/insns/csrrw.h
index 3d83b09..6bc1df8 100644
--- a/riscv/insns/csrrw.h
+++ b/riscv/insns/csrrw.h
@@ -1,6 +1,6 @@
 int csr = validate_csr(insn.csr(), true);
 #ifdef SPIKE_SIMPLEV
-reg_t old;
+reg_t old = 0; // stop compiler bitchin
 if (csr != CSR_SVVL)
 {
     old = p->get_csr(csr);
-- 
2.30.2