diff --git a/gcc/config/arm/mmintrin.h b/gcc/config/arm/mmintrin.h
index 2cc500d..ea73bf1 100644
--- a/gcc/config/arm/mmintrin.h
+++ b/gcc/config/arm/mmintrin.h
@@ -32,6 +32,12 @@ typedef int __v2si __attribute__ ((vector_size (8)));
 typedef short __v4hi __attribute__ ((vector_size (8)));
 typedef char __v8qi __attribute__ ((vector_size (8)));
 
+/* Provided for source compatibility with MMX.  */
+extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_mm_empty (void)
+{
+}
+
 /* "Convert" __m64 and __int64 into each other.  */
 static __inline __m64 
 _mm_cvtsi64_m64 (__int64 __i)
@@ -1248,6 +1254,7 @@ _m_from_int (int __a)
 #define _m_psadzbw _mm_sadz_pu8
 #define _m_psadzwd _mm_sadz_pu16
 #define _m_paligniq _mm_align_si64
+#define _m_empty _mm_empty
 #define _m_cvt_si2pi _mm_cvtsi64_m64
 #define _m_cvt_pi2si _mm_cvtm64_si64