gcc/testsuite/gcc.c-torture/execute/20010224-1.c

   1 extern void abort (void);
   2
   3 typedef signed short int16_t;
   4 typedef unsigned short uint16_t;
   5
   6 int16_t logadd (int16_t *a, int16_t *b);
   7 void ba_compute_psd (int16_t start);
   8
   9 int16_t masktab[6] = { 1, 2, 3, 4, 5};
  10 int16_t psd[6] = { 50, 40, 30, 20, 10};
  11 int16_t bndpsd[6] = { 1, 2, 3, 4, 5};
  12
  13 void ba_compute_psd (int16_t start)
  14 {
  15   int i,j,k;
  16   int16_t lastbin = 4;
  17
  18   j = start;
  19   k = masktab[start];
  20
  21   bndpsd[k] = psd[j];
  22   j++;
  23
  24   for (i = j; i < lastbin; i++) {
  25     bndpsd[k] = logadd(&bndpsd[k], &psd[j]);
  26     j++;
  27   }
  28 }
  29
  30 int16_t logadd (int16_t *a, int16_t *b)
  31 {
  32   return *a + *b;
  33 }
  34
  35 int main (void)
  36 {
  37   int i;
  38
  39   ba_compute_psd (0);
  40
  41   if (bndpsd[1] != 140) abort ();
  42   return 0;
  43 }
  44