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/* With -fnon-call-exceptions 0 / 0 should not be eliminated.  The .x

   file sets the option.  */

#ifdef SIGNAL_SUPPRESS

# define DO_TEST 0

#elif defined (__powerpc__) || defined (__PPC__) || defined (__ppc__) || defined (__POWERPC__) || defined (__ppc)

  /* On PPC division by zero does not trap.  */

# define DO_TEST 0

#elif defined (__SPU__)

  /* On SPU division by zero does not trap.  */

# define DO_TEST 0

#elif defined (__sh__)

  /* On SH division by zero does not trap.  */

# define DO_TEST 0

#elif defined (__TMS320C6X__)

  /* On TI C6X division by zero does not trap.  */

# define DO_TEST 0

#elif defined (__arm__)

 /* We cannot rely on division by zero generating a trap. */

# define DO_TEST 0

#elif defined (__mips__) && !defined(__linux__)

  /* MIPS divisions do trap by default, but libgloss targets do not

     intercept the trap and raise a SIGFPE.  The same is probably

     true of other bare-metal environments, so restrict the test to

     systems that use the Linux kernel.  */

# define DO_TEST 0

#elif defined (__mips16) && defined(__linux__)

  /* Not all Linux kernels deal correctly the breakpoints generated by

     MIPS16 divisions by zero.  They show up as a SIGTRAP instead.  */

# define DO_TEST 0

#elif defined (__epiphany__)

  /* Epiphany does not have hardware division, and the software implementation

     has truly undefined behaviour for division by 0.  */

# define DO_TEST 0

#else

# define DO_TEST 1

#endif

#if DO_TEST

#include <signal.h>

void

sigfpe (int signum __attribute__ ((unused)))

{

  exit (0);

}

#endif

/* When optimizing, the compiler is smart enough to constant fold the

   static unset variables i and j to produce 0 / 0, but it can't

   eliminate the assignment to the global k.  */

static int i;

static int j;

int k;

int

main ()

{

#if DO_TEST

  signal (SIGFPE, sigfpe);

  k = i / j;

  abort ();

#else

  exit (0);

#endif

}