Subversion Repositories openrisc_2011-10-31

/* PR tree-optimization/32575 */

extern void abort (void);

struct S

{

  void *s1, *s2;

  unsigned char s3, s4, s5;

};

__attribute__ ((noinline))

void *

foo (void)

{

  static struct S s;

  return &s;

}

__attribute__ ((noinline))

void *

bar ()

{

  return (void *) 0;

}

__attribute__ ((noinline))

struct S *

test (void *a, void *b)

{

  struct S *p, q;

  p = foo ();

  if (p == 0)

    {

      p = &q;

      __builtin_memset (p, 0, sizeof (*p));

    }

  p->s1 = a;

  p->s2 = b;

  if (p == &q)

    p = 0;

  return p;

}

int

main (void)

{

  int a;

  int b;

  struct S *z = test ((void *) &a, (void *) &b);

  if (z == 0 || z->s1 != (void *) &a || z->s2 != (void *) &b || z->s3 || z->s4)

    abort ();

  return 0;

}