gcc/testsuite/gcc.target/i386/pr26449-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -msse2 -mtune=k8" } */
   3
   4 typedef short __v8hi __attribute__ ((__vector_size__ (16)));
   5 typedef long long __m128i __attribute__ ((__vector_size__ (16)));
   6 extern int memcmp (const void *, const void *, __SIZE_TYPE__);
   7
   8 void sse2_test (void)
   9 {
  10   union
  11   {
  12     __m128i x;
  13   } val1, res[8], tmp;
  14   short ins[8] = { 8, 5, 9, 4, 2, 6, 1, 20 };
  15   int i;
  16
  17   for (i = 0; i < 8; i++)
  18     {
  19       tmp.x = val1.x;
  20       if (memcmp (&tmp, &res[i], sizeof (tmp)))
  21         (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi) val1.x, ins[i], 0);
  22     }
  23 }