}
//===---------------------------------------------------------------------===//
+
+These functions should produce the same code:
+
+#include <emmintrin.h>
+
+typedef long long __m128i __attribute__ ((__vector_size__ (16)));
+
+int foo(__m128i* val) {
+ return __builtin_ia32_vec_ext_v4si(*val, 1);
+}
+int bar(__m128i* val) {
+ union vs {
+ __m128i *_v;
+ int* _s;
+ } v = {val};
+ return v._s[1];
+}
+
+We currently produce (with -m64):
+
+_foo:
+ pshufd $1, (%rdi), %xmm0
+ movd %xmm0, %eax
+ ret
+_bar:
+ movl 4(%rdi), %eax
+ ret
+
+//===---------------------------------------------------------------------===//