OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [pr15262.c] - Rev 774

Go to most recent revision | Compare with Previous | Blame | View Log

/* We used to mis-compile this testcase as we did not know that
   &a+offsetof(b,a) was the same as &a.b */
struct A
{
  int t;
  int i;
};
 
void
bar (float *p)
{
  *p = 5.2;
}
 
int
foo(struct A *locp, int i, int str)
{
  float f, g, *p;
  int T355;
  int *T356;
  /* Currently, the alias analyzer has limited support for handling
     aliases of structure fields when no other variables are aliased.
     Introduce additional aliases to confuse it.  */
  p =  i ? &g : &f;
  bar (p);
  if (*p > 0.0)
    str = 1;
 
  T355 = locp->i;
  T356 = &locp->i;
  *T356 = str;
  T355 = locp->i;
 
  return T355;
}
 
main ()
{
  struct A loc;
  int str;
 
  loc.i = 2;
  str = foo (&loc, 10, 3);
  if (str!=1)
    abort ();
  return 0;
}
 
 

Go to most recent revision | Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.