view libmudflap/testsuite/libmudflap.c/pass64-frag.c @ 61:60c1b2f8487a

remove expand_cbc_goto, and added warnig process.
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Sun, 25 Apr 2010 17:03:45 +0900 (2010-04-25)
parents a06113de4d67
children
line wrap: on
line source
/* PR libmudflap/36397 */
/* { dg-do run } */
/* { dg-options "-O -fmudflap -fno-strict-aliasing -lmudflap" } */

struct A
{
  int a[2];
};

long long int x;

int __attribute__ ((noinline))
baz (long long int *x)
{
  return *x;
}

int __attribute__ ((noinline))
foo (int i)
{
  if (i > 10)
    return baz (&x);
  return ((struct A *) &x)->a[i];
}

int
main (void)
{
  if (sizeof (long long) == 2 * sizeof (int)
      && sizeof (long long) == sizeof (struct A))
    {
      struct A a = { .a[0] = 10, .a[1] = 20 };
      __builtin_memcpy (&x, &a, sizeof (x));
      if (foo (0) != 10 || foo (1) != 20)
        __builtin_abort ();
    }
  return 0;
}