1  /* Copyright (C) 2000  Free Software Foundation  */
       2  /* Contributed by Alexandre Oliva <aoliva@redhat.com> */
       3  
       4  int
       5  foo () 
       6  {
       7    while (1)
       8      {
       9        int a;
      10        char b;
      11        /* gcse should not merge these asm statements, since their
      12  	 output operands have different modes.  */
      13        __asm__("":"=r" (a)); __asm__("":"=r" (b));
      14        if (b)
      15  	return a;
      16      }
      17  }