gcc/testsuite/gcc.c-torture/execute/pr68532.c

   1 /* { dg-options "-O2 -ftree-vectorize -fno-vect-cost-model" } */
   2
   3 #define SIZE 128
   4 unsigned short _Alignas (16) in[SIZE];
   5
   6 __attribute__ ((noinline)) int
   7 test (unsigned short sum, unsigned short *in, int x)
   8 {
   9   for (int j = 0; j < SIZE; j += 8)
  10     sum += in[j] * x;
  11   return sum;
  12 }
  13
  14 int
  15 main ()
  16 {
  17   for (int i = 0; i < SIZE; i++)
  18     in[i] = i;
  19   if (test (0, in, 1) != 960)
  20     __builtin_abort ();
  21   return 0;
  22 }