gcc/testsuite/gcc.c-torture/execute/20040218-1.c

   1 /* PR target/14209.  Bug in cris.md, shrinking access size of
   2    postincrement.
   3    Origin: <hp@axis.com>.  */
   4
   5 long int xb (long int *y) __attribute__ ((__noinline__));
   6 long int xw (long int *y) __attribute__ ((__noinline__));
   7 short int yb (short int *y) __attribute__ ((__noinline__));
   8
   9 long int xb (long int *y)
  10 {
  11   long int xx = *y & 255;
  12   return xx + y[1];
  13 }
  14
  15 long int xw (long int *y)
  16 {
  17   long int xx = *y & 65535;
  18   return xx + y[1];
  19 }
  20
  21 short int yb (short int *y)
  22 {
  23   short int xx = *y & 255;
  24   return xx + y[1];
  25 }
  26
  27 int main (void)
  28 {
  29   long int y[] = {-1, 16000};
  30   short int yw[] = {-1, 16000};
  31
  32   if (xb (y) != 16255
  33       || xw (y) != 81535
  34       || yb (yw) != 16255)
  35     abort ();
  36   exit (0);
  37 }