pr25706-1.c

来自「用于进行gcc测试」· C语言 代码 · 共 36 行

/* { dg-do assemble } */
/* Invalid assembly generated due to port bug.  */
struct tcp_opt {
 unsigned int window_clamp;
 unsigned int rcv_ssthresh;
 unsigned short advmss;
};
extern int sysctl_tcp_app_win;
void tcp_init_buffer_space(struct tcp_opt *tp, int maxwin)
{
  if (tp->window_clamp >= maxwin)
    if (sysctl_tcp_app_win && maxwin>4*tp->advmss)
      tp->window_clamp
	= ({
	  int _x = maxwin;
	  typeof(4*tp->advmss) _y = (4*tp->advmss);
	  _x > _y ? _x : _y;
	});

  if (sysctl_tcp_app_win
      && tp->window_clamp > 2*tp->advmss
      && tp->window_clamp + tp->advmss > maxwin)
    tp->window_clamp
      = ({
	unsigned short _x = maxwin;
	unsigned short _y = (maxwin-tp->advmss);
	_x > _y ? _x : _y;
      });
  tp->rcv_ssthresh
    = ({
      unsigned int _x = (tp->rcv_ssthresh);
      unsigned int _y = (tp->window_clamp);
      _x < _y ? _x : _y;
    });
}