diff --git a/include/spdk/util.h b/include/spdk/util.h
index a23acfe31..2d5288d0b 100644
--- a/include/spdk/util.h
+++ b/include/spdk/util.h
@@ -60,7 +60,8 @@ extern "C" {
 /* The following will automatically generate several version of
  * this function, targeted at different architectures. This
  * is only supported by GCC 6 or newer. */
-#if defined(__GNUC__) && __GNUC__ >= 6 && !defined(__clang__)
+#if defined(__GNUC__) && __GNUC__ >= 6 && !defined(__clang__) \
+	&& (defined(__i386__) || defined(__x86_64__))
 __attribute__((target_clones("bmi", "arch=core2", "arch=atom", "default")))
 #endif
 static inline uint32_t
@@ -82,7 +83,8 @@ spdk_align32pow2(uint32_t x)
 /* The following will automatically generate several version of
  * this function, targeted at different architectures. This
  * is only supported by GCC 6 or newer. */
-#if defined(__GNUC__) && __GNUC__ >= 6 && !defined(__clang__)
+#if defined(__GNUC__) && __GNUC__ >= 6 && !defined(__clang__) \
+	&& (defined(__i386__) || defined(__x86_64__))
 __attribute__((target_clones("bmi", "arch=core2", "arch=atom", "default")))
 #endif
 static inline uint64_t