gcc/testsuite/gcc.dg/pr21041.c

   1
   2 /* { dg-do compile { target fpic } } */
   3 /* { dg-options "-O2 -fPIC" } */
   4
   5 struct args
   6 {
   7   short int matrix[8][8];
   8   char **current;
   9 };
  10
  11 int test (struct args *args, char *init, int a, int b)
  12 {
  13   int i, j, k;
  14
  15   if (!args || a > b || a < 0)
  16     return -1;
  17
  18   for (i = 0; i < 2; i++)
  19     {
  20       char *dest = *args->current;
  21       char *p = dest;
  22
  23       for (j = 0; j < 8; j++)
  24         *p++ = *init++;
  25
  26       for (k = 0; k < 8; k++)
  27         {
  28           short int *blockvals = &args->matrix[k][0];
  29           dest[0] += blockvals[0];
  30           dest[1] += blockvals[1];
  31           dest[2] += blockvals[2];
  32           dest[3] += blockvals[3];
  33           dest[4] += blockvals[4];
  34           dest[5] += blockvals[5];
  35           dest[6] += blockvals[6];
  36           dest[7] += blockvals[7];
  37        }
  38     }
  39
  40   return 1;
  41 }
  42