gcc/testsuite/gcc.target/m68k/pr63347.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -mcpu=5208 -w" } */
   3
   4 void __attribute__ ((noinline))
   5 oof()
   6 {
   7   asm volatile ("" ::: "memory");
   8 }
   9 int print_info(unsigned int *ip_addr)
  10 {
  11     int invalid = 0;
  12
  13     if (ip_addr) {
  14         unsigned int haddr = *ip_addr;
  15         oof("stuff");
  16         if (0x0 == haddr) {
  17             invalid = 1;
  18         }
  19         oof("stuff2");
  20     } else {
  21         invalid = 1;
  22     }
  23
  24     return invalid;
  25 }
  26
  27 int main(int argc, char *argv[])
  28 {
  29     unsigned int myaddr;
  30     int ret;
  31
  32     myaddr = 0x0;
  33     ret = print_info(&myaddr);
  34     if (!ret)
  35         abort ();
  36
  37     myaddr = 0x01020304;
  38     ret = print_info(&myaddr);
  39     if (ret)
  40         abort ();
  41     exit (0);
  42 }
  43
  44