3 files changed, 18 insertions, 9 deletions
diff --git a/lib/Headers/emmintrin.h b/lib/Headers/emmintrin.h
index 0c1d730..ee12d3c 100644
--- a/lib/Headers/emmintrin.h
+++ b/lib/Headers/emmintrin.h
@@ -466,7 +466,10 @@ _mm_loadr_pd(double const *dp)
 static __inline__ __m128d __attribute__((__always_inline__, __nodebug__))
 _mm_loadu_pd(double const *dp)
 {
-  return (__m128d){ dp[0], dp[1] };
+  struct __loadu_pd {
+    __m128d v;
+  } __attribute__((packed, may_alias));
+  return ((struct __loadu_pd*)dp)->v;
 }
 
 static __inline__ __m128d __attribute__((__always_inline__, __nodebug__))
@@ -478,13 +481,13 @@ _mm_load_sd(double const *dp)
 static __inline__ __m128d __attribute__((__always_inline__, __nodebug__))
 _mm_loadh_pd(__m128d a, double const *dp)
 {
-  return __builtin_shufflevector(a, *(__m128d *)dp, 0, 2);
+  return (__m128d){ a[0], *dp };
 }
 
 static __inline__ __m128d __attribute__((__always_inline__, __nodebug__))
 _mm_loadl_pd(__m128d a, double const *dp)
 {
-  return __builtin_shufflevector(a, *(__m128d *)dp, 2, 1);
+  return (__m128d){ *dp, a[1] };
 }
 
 static __inline__ __m128d __attribute__((__always_inline__, __nodebug__))
@@ -1011,7 +1014,10 @@ _mm_load_si128(__m128i const *p)
 static __inline__ __m128i __attribute__((__always_inline__, __nodebug__))
 _mm_loadu_si128(__m128i const *p)
 {
-  return (__m128i)__builtin_ia32_loaddqu((char const *)p);
+  struct __loadu_si128 {
+    __m128i v;
+  } __attribute__((packed, may_alias));
+  return ((struct __loadu_si128*)p)->v;
 }
 
 static __inline__ __m128i __attribute__((__always_inline__, __nodebug__))
diff --git a/lib/Headers/mmintrin.h b/lib/Headers/mmintrin.h
index fefb42f..986870a 100644
--- a/lib/Headers/mmintrin.h
+++ b/lib/Headers/mmintrin.h
@@ -421,20 +421,20 @@ _mm_set1_pi8(char __b)
 }
 
 static __inline__ __m64 __attribute__((__always_inline__, __nodebug__))
-_mm_setr_pi32(int __i1, int __i0)
+_mm_setr_pi32(int __i0, int __i1)
 {
     return _mm_set_pi32(__i1, __i0);
 }
 
 static __inline__ __m64 __attribute__((__always_inline__, __nodebug__))
-_mm_setr_pi16(short __w3, short __w2, short __w1, short __w0)
+_mm_setr_pi16(short __w0, short __w1, short __w2, short __w3)
 {
     return _mm_set_pi16(__w3, __w2, __w1, __w0);
 }
 
 static __inline__ __m64 __attribute__((__always_inline__, __nodebug__))
-_mm_setr_pi8(char __b7, char __b6, char __b5, char __b4, char __b3, char __b2,
-             char __b1, char __b0)
+_mm_setr_pi8(char __b0, char __b1, char __b2, char __b3, char __b4, char __b5,
+             char __b6, char __b7)
 {
     return _mm_set_pi8(__b7, __b6, __b5, __b4, __b3, __b2, __b1, __b0);
 }
diff --git a/lib/Headers/xmmintrin.h b/lib/Headers/xmmintrin.h
index 00760ed..50f275d 100644
--- a/lib/Headers/xmmintrin.h
+++ b/lib/Headers/xmmintrin.h
@@ -539,7 +539,10 @@ _mm_load_ps(const float *p)
 static __inline__ __m128 __attribute__((__always_inline__, __nodebug__))
 _mm_loadu_ps(const float *p)
 {
-  return (__m128){ p[0], p[1], p[2], p[3] };
+  struct __loadu_ps {
+    __m128 v;
+  } __attribute__((packed, may_alias));
+  return ((struct __loadu_ps*)p)->v;
 }
 
 static __inline__ __m128 __attribute__((__always_inline__, __nodebug__))