gcc/testsuite/gcc.target/i386/pr69551.c

   1 /* PR target/69551 */
   2 /* { dg-do run { target sse_runtime } } */
   3 /* { dg-options "-O2 -mno-sse2 -msse" } */
   4
   5 typedef unsigned char v16qi __attribute__ ((vector_size (16)));
   6 typedef unsigned int v4si __attribute__ ((vector_size (16)));
   7
   8 char __attribute__ ((noinline, noclone))
   9 test (v4si vec)
  10 {
  11   vec[1] = 0x5fb856;
  12   return ((v16qi) vec)[0];
  13 }
  14
  15 int
  16 main ()
  17 {
  18   char z = test ((v4si) { -1, -1, -1, -1 });
  19
  20   if (z != -1)
  21     __builtin_abort ();
  22   return 0;
  23 }