Subversion Repositories openrisc_2011-10-31

/* ARM's load-and-call patterns used to allow automodified addresses.

   This was wrong, because if the modified register were spilled,

   the call would need an output reload.  */

/* { dg-do run { target arm*-*-* } } */

/* { dg-options "-O2 -fno-omit-frame-pointer" } */

extern void abort (void);

typedef void (*callback) (void);

static void

foo (callback *first, callback *p)

{

  while (p > first)

    {

      (*--p) ();

#ifndef __thumb__

      asm ("" : "=r" (p) : "0" (p)

           : "r4", "r5", "r6", "r7", "r8", "r9", "r10");

#endif

    }

}

static void

dummy (void)

{

  static int count;

  if (count++ == 1)

    abort ();

}

int

main (void)

{

  callback list[1] = { dummy };

  foo (&list[0], &list[1]);

  return 0;

}