From 71fada10e5b05e328d3a7ae75ea5a0edaf9d271a Mon Sep 17 00:00:00 2001
From: Jerry Yu <jerry.h.yu@arm.com>
Date: Wed, 29 Nov 2023 10:38:07 +0800
Subject: [PATCH] Guards neon path

Old GCC(<7.3) reports warning in NEON path

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
---
 library/common.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/library/common.h b/library/common.h
index c20f6b260e..78d71fda26 100644
--- a/library/common.h
+++ b/library/common.h
@@ -169,7 +169,9 @@ inline void mbedtls_xor(unsigned char *r, const unsigned char *a, const unsigned
 {
     size_t i = 0;
 #if defined(MBEDTLS_EFFICIENT_UNALIGNED_ACCESS)
-#if defined(__ARM_NEON)
+#if defined(__ARM_NEON) && \
+    (defined(__GNUC__) && !defined(__clang__) && \
+    __GNUC__ >= 7 && __GNUC_MINOR__ >= 3)
     for (; (i + 16) <= n; i += 16) {
         uint8x16_t v1 = vld1q_u8(a + i);
         uint8x16_t v2 = vld1q_u8(b + i);