gcc/testsuite/gcc.target/s390/htm-builtins-z13-1.c

   1 /* Verify if VRs are saved and restored.  */
   2
   3 /* { dg-do run } */
   4 /* { dg-require-effective-target s390_vx } */
   5 /* { dg-options "-O3 -march=z13 -mzarch" } */
   6
   7 typedef int __attribute__((vector_size(16))) v4si;
   8
   9 v4si __attribute__((noinline))
  10 foo (v4si a)
  11 {
  12   a += (v4si){ 1, 1, 1, 1 };
  13   if (__builtin_tbegin (0) == 0)
  14     {
  15       a += (v4si){ 1, 1, 1, 1 };
  16       __builtin_tabort (256);
  17       __builtin_tend ();
  18     }
  19   else
  20     a -= (v4si){ 1, 1, 1, 1 };
  21
  22   return a;
  23 }
  24
  25 int
  26 main ()
  27 {
  28   v4si a = (v4si){ 0, 0, 0, 0 };
  29
  30   a = foo (a);
  31
  32   if (a[0] != 0)
  33     __builtin_abort ();
  34 }