Subversion Repositories openrisc_2011-10-31

/* PR rtl-optimization/41239 */

struct S

{

  short nargs;

  unsigned long arg[2];

};

extern void abort (void);

extern void exit (int);

extern char fn1 (int, const char *, int, const char *, const char *);

extern void fn2 (int, ...);

extern int fn3 (int);

extern int fn4 (const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));

unsigned long

test (struct S *x)

{

  signed int arg1 = x->arg[0];

  long int arg2 = x->arg[1];

  if (arg2 == 0)

    (fn1 (20, "foo", 924, __func__, ((void *) 0))

     ? (fn2 (fn3 (0x2040082), fn4 ("division by zero")))

     : (void) 0);

  return (long int) arg1 / arg2;

}

int

main (void)

{

  struct S s = { 2, { 5, 0 } };

  test (&s);

  abort ();

}

__attribute__((noinline)) char

fn1 (int x, const char *y, int z, const char *w, const char *v)

{

  asm volatile ("" : : "r" (w), "r" (v) : "memory");

  asm volatile ("" : "+r" (x) : "r" (y), "r" (z) : "memory");

  return x;

}

__attribute__((noinline)) int

fn3 (int x)

{

  asm volatile ("" : "+r" (x) : : "memory");

  return x;

}

__attribute__((noinline)) int

fn4 (const char *x, ...)

{

  asm volatile ("" : "+r" (x) : : "memory");

  return *x;

}

__attribute__((noinline)) void

fn2 (int x, ...)

{

  asm volatile ("" : "+r" (x) : : "memory");

  if (x)

    /* Could be a longjmp or throw too.  */

    exit (0);

}