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-rw-r--r--src/common/swap.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/common/swap.h b/src/common/swap.h
index fc7af4280..32af0b6ac 100644
--- a/src/common/swap.h
+++ b/src/common/swap.h
@@ -69,7 +69,7 @@ inline u32 swap32(u32 _data) {
inline u64 swap64(u64 _data) {
return _byteswap_uint64(_data);
}
-#elif ARCHITECTURE_ARM
+#elif defined(ARCHITECTURE_ARM) && (__ARM_ARCH >= 6)
inline u16 swap16(u16 _data) {
u32 data = _data;
__asm__("rev16 %0, %1\n" : "=l"(data) : "l"(data));