gcc/testsuite/gcc.dg/vect/pr53185-2.c

   1 #include "tree-vect.h"
   2
   3 void __attribute__((noinline,noclone))
   4 fn1 (int * __restrict f, int * __restrict d, unsigned short a, int c)
   5 {
   6   unsigned short e;
   7   for (e = 0; e < a; ++e)
   8     f[e] = d[e * c];
   9 }
  10
  11 extern void abort (void);
  12
  13 int main ()
  14 {
  15   int a[32], b[3 * 32];
  16   int i, off;
  17   check_vect ();
  18   for (i = 0; i < 3 * 32; ++i)
  19     b[i] = i;
  20   for (off = 0; off < 8; ++off)
  21     {
  22       fn1 (&a[off], &b[off], 32 - off, 3);
  23       for (i = 0; i < 32 - off; ++i)
  24         if (a[off+i] != b[off+i*3])
  25           abort ();
  26     }
  27   return 0;
  28 }
  29