gcc/testsuite/gcc.c-torture/execute/20060905-1.c

   1 /* PR rtl-optimization/28386 */
   2 /* Origin: Volker Reichelt <reichelt@gcc.gnu.org> */
   3
   4 extern void abort(void);
   5
   6 volatile char s[256][3];
   7
   8 char g;
   9
  10 static void dummy(char a)
  11 {
  12   g = a;
  13 }
  14
  15 static int foo(void)
  16 {
  17   int i, j=0;
  18
  19   for (i = 0; i < 256; i++)
  20     if (i >= 128 && i < 256)
  21       {
  22         dummy (s[i - 128][0]);
  23         ++j;
  24       }
  25
  26   return j;
  27 }
  28
  29 int main(void)
  30 {
  31   if (foo () != 128)
  32     abort ();
  33
  34   return 0;
  35 }