gcc/testsuite/gcc.dg/vect/vec-scal-opt.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_shift } */
   3 /* { dg-require-effective-target vect_int } */
   4
   5 #define vidx(type, vec, idx) (*((type *) &(vec) + idx))
   6 #define vector(elcount, type)  \
   7 __attribute__((vector_size((elcount)*sizeof(type)))) type
   8
   9 short k;
  10
  11 int main (int argc, char *argv[]) {
  12    k = argc;
  13    vector(8, short) v0 = {argc,1,2,3,4,5,6,7};
  14    vector(8, short) v2 = {k,   k,k,k,k,k,k,k};
  15    vector(8, short) r1;
  16
  17    r1 = v0 >> v2;
  18
  19    return vidx(short, r1, 0);
  20 }
  21
  22 /* { dg-final { scan-tree-dump-times ">> _\[0-9\]*" 1 "veclower21" } } */