gcc/testsuite/gcc.target/s390/20030129-1.c

   1 /* This used to ICE due to a reload bug on s390*.  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-options "-O2" } */
   5
   6 int f (unsigned int);
   7 void g (void *);
   8
   9 void test (void *p, void *dummy)
  10 {
  11   unsigned int flags = 0;
  12
  13   if (dummy)
  14     g (dummy);
  15
  16   if (p)
  17     flags |= 0x80000000;
  18
  19   asm volatile ("" : : : "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12");
  20
  21   if (dummy)
  22     g (dummy);
  23
  24   if (p)
  25     {
  26       flags |= 0x20000000|0x80000000;
  27
  28       if (!f (0))
  29         flags &= ~0x80000000;
  30     }
  31
  32   f (flags);
  33
  34   if (dummy)
  35     g (dummy);
  36 }
  37