From c6ce030ba9cbe741053426c4b03b33c0785d6b41 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Fri, 15 Dec 2023 22:19:25 -0500
Subject: [PATCH] sim: erc32: fix -Wunused-variable warnings

---
 sim/erc32/erc32.c  | 3 ---
 sim/erc32/func.c   | 2 ++
 sim/erc32/interf.c | 4 ++--
 3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/sim/erc32/erc32.c b/sim/erc32/erc32.c
index 32c45bddb68..c4abab2889c 100644
--- a/sim/erc32/erc32.c
+++ b/sim/erc32/erc32.c
@@ -1632,10 +1632,7 @@ memory_read(int32_t asi, uint32_t addr, void *data, int32_t sz, int32_t *ws)
 int
 memory_write(int32_t asi, uint32_t addr, uint32_t *data, int32_t sz, int32_t *ws)
 {
-    uint32_t          byte_addr;
-    uint32_t          byte_mask;
     uint32_t          waddr;
-    uint32_t         *ram;
     int32_t           mexc;
     int             i;
     int             wphit[2];
diff --git a/sim/erc32/func.c b/sim/erc32/func.c
index f1b230a8f91..3d1296ba230 100644
--- a/sim/erc32/func.c
+++ b/sim/erc32/func.c
@@ -614,7 +614,9 @@ reset_stat(struct pstate *sregs)
 void
 show_stat(struct pstate *sregs)
 {
+#ifdef STAT
     uint32_t          iinst;
+#endif
     uint32_t          stime;
 
     if (sregs->tottime == 0.0)
diff --git a/sim/erc32/interf.c b/sim/erc32/interf.c
index b487c7ca230..79f01473565 100644
--- a/sim/erc32/interf.c
+++ b/sim/erc32/interf.c
@@ -332,7 +332,7 @@ sim_fetch_register(SIM_DESC sd, int regno, void *buf, int length)
 uint64_t
 sim_write (SIM_DESC sd, uint64_t mem, const void *buffer, uint64_t length)
 {
-    int i, len;
+    int i;
     const unsigned char *data = buffer;
 
     for (i = 0; i < length; i++) {
@@ -344,7 +344,7 @@ sim_write (SIM_DESC sd, uint64_t mem, const void *buffer, uint64_t length)
 uint64_t
 sim_read (SIM_DESC sd, uint64_t mem, void *buffer, uint64_t length)
 {
-    int i, len;
+    int i;
     unsigned char *data = buffer;
 
     for (i = 0; i < length; i++) {