From 023052eaf10f3c7f21ef72342266dff89d2cda31 Mon Sep 17 00:00:00 2001
From: kaleb-himes <kaleb@wolfssl.com>
Date: Mon, 4 Jan 2016 15:40:10 -0700
Subject: [PATCH] Avoid unused variable warnings with dead store in
 AES_GCM_decrypt

---
 wolfcrypt/src/aes.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/wolfcrypt/src/aes.c b/wolfcrypt/src/aes.c
index efefd0c62..c27c55425 100644
--- a/wolfcrypt/src/aes.c
+++ b/wolfcrypt/src/aes.c
@@ -3145,6 +3145,12 @@ static int AES_GCM_decrypt(const unsigned char *in,
         tmp4 = _mm_shuffle_epi8(tmp4, BSWAP_MASK);
     }
 
+    /* Acknowledge the dead store and continue */
+    (void) tmp1;
+    (void) tmp2;
+    (void) tmp3;
+    (void) tmp4;
+
     for (k = i*4; k < nbytes/16; k++) {
         tmp1 = _mm_shuffle_epi8(ctr1, BSWAP_EPI64);
         ctr1 = _mm_add_epi32(ctr1, ONE);