Index: lib/builtins/arm/bswapdi2.S
===================================================================
--- lib/builtins/arm/bswapdi2.S
+++ lib/builtins/arm/bswapdi2.S
@@ -11,7 +11,11 @@
 
 	.syntax unified
 	.text
+#if __ARM_ARCH < 6
+	.arm
+#else
 	DEFINE_CODE_STATE
+#endif
 
 //
 // extern uint64_t __bswapdi2(uint64_t);
Index: lib/builtins/arm/bswapsi2.S
===================================================================
--- lib/builtins/arm/bswapsi2.S
+++ lib/builtins/arm/bswapsi2.S
@@ -11,7 +11,11 @@
 
 	.syntax unified
 	.text
+#if __ARM_ARCH < 6
+	.arm
+#else
 	DEFINE_CODE_STATE
+#endif
 
 //
 // extern uint32_t __bswapsi2(uint32_t);