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

   1 /* { dg-options "-O2 -ftree-vectorize -fno-vect-cost-model" } */
   2 /* { dg-additional-options "-fno-common" { target hppa*-*-hpux* } } */
   3
   4 #define SIZE 128
   5 unsigned short _Alignas (16) in[SIZE];
   6
   7 __attribute__ ((noinline)) int
   8 test (unsigned short sum, unsigned short *in, int x)
   9 {
  10   for (int j = 0; j < SIZE; j += 8)
  11     sum += in[j] * x;
  12   return sum;
  13 }
  14
  15 int
  16 main ()
  17 {
  18   for (int i = 0; i < SIZE; i++)
  19     in[i] = i;
  20   if (test (0, in, 1) != 960)
  21     __builtin_abort ();
  22   return 0;
  23 }