gcc/testsuite/gcc.dg/vect/vect-early-break_81.c

   1 /* { dg-add-options vect_early_break } */
   2 /* { dg-do compile } */
   3 /* { dg-require-effective-target vect_early_break } */
   4 /* { dg-require-effective-target vect_int } */
   5
   6 /* { dg-additional-options "-Ofast" } */
   7
   8 /* { dg-final { scan-tree-dump "LOOP VECTORIZED" "vect" } } */
   9 /* { dg-final { scan-tree-dump "epilog loop required" "vect" } } */
  10 void abort ();
  11
  12 unsigned short sa[32];
  13 unsigned short sc[32] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
  14   16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31};
  15 unsigned short sb[32] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
  16   16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31};
  17 unsigned int ia[32];
  18 unsigned int ic[32] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,
  19         0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
  20 unsigned int ib[32] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,
  21         0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
  22
  23 int main2 (int n)
  24 {
  25   int i;
  26   for (i = 0; i < n - 3; i++)
  27     {
  28       if (sa[i+3] != sb[i] + sc[i] || ia[i+3] != ib[i] + ic[i])
  29         abort ();
  30     }
  31 }