gnu/dist/gcc4/gcc/testsuite/gcc.c-torture/compile/pr19080.c

   1 typedef union { int ioport; volatile char *maddr; } bus_space_handle_t;
   2 struct scb { unsigned short *hscb; };
   3 struct ahd_softc
   4 {
   5   int tags[2];
   6   bus_space_handle_t bshs[2];
   7   int dst_mode;
   8   int src_mode;
   9   int flags;
  10 };
  11 void outb(int, int);
  12
  13 int foo_inb(struct ahd_softc*);
  14 int foo_int_int (int, int);
  15 int ahd_inb(struct ahd_softc*);
  16 int ahd_scb_active_in_fifo (void);
  17
  18 void ahd_flush_qoutfifo (struct ahd_softc *ahd, struct scb *scb)
  19 {
  20   int src, dst, *a = &src, *b = &dst; *a = 1, *b = 1;
  21   int bb, p;
  22
  23   if (ahd->src_mode == 1)
  24     { int src, dst, *a = &src, *b = &dst; *a = 1, *b = 1;}
  25   foo_int_int (ahd->src_mode, ahd->dst_mode);
  26   p = 1;
  27   if (ahd->src_mode == 2 && ahd->dst_mode == p)
  28     {
  29       if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  30         outb (1, ahd->bshs[0].ioport );
  31       if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  32         outb (1, ahd->bshs[0].ioport );
  33     }
  34   ahd->src_mode = 1;
  35   ahd->dst_mode = 2;
  36   while ((ahd_inb (ahd) & 0x01) != 0)
  37   {
  38     p = 1;
  39     if (ahd->src_mode == 2 && ahd->dst_mode == p)
  40       {
  41         if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  42           outb (1, ahd->bshs[0].ioport );
  43         if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  44           outb (1, ahd->bshs[0].ioport );
  45       }
  46     ahd->src_mode = 1;
  47     ahd->dst_mode = 2;
  48     if (ahd_scb_active_in_fifo () == 0)
  49       continue;
  50     p = 1;
  51     if (ahd->src_mode == 2 && ahd->dst_mode == p)
  52       {
  53         if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  54           outb (1, ahd->bshs[0].ioport );
  55         if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  56           outb (1, ahd->bshs[0].ioport );
  57       }
  58     ahd->src_mode = 1;
  59     ahd->dst_mode = 2;
  60     if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  61       outb (1, ahd->bshs[0].ioport );
  62     if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  63       outb (1, ahd->bshs[0].ioport );
  64     if ((ahd->flags & 1) != 0)
  65       foo_inb (ahd);
  66     if ((ahd->flags & 1) != 0)
  67       foo_inb (ahd);
  68     if ((ahd->flags & 1) != 0)
  69       foo_inb (ahd);
  70     if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  71       outb (1, ahd->bshs[0].ioport );
  72     if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  73       outb (1, ahd->bshs[0].ioport );
  74     if ((ahd->flags & 1) != 0)
  75       foo_inb (ahd);
  76     if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  77       outb (1, ahd->bshs[0].ioport );
  78     if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  79       outb (1, ahd->bshs[0].ioport );
  80     bb = (*(scb->hscb));
  81     if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  82       outb (1, ahd->bshs[0].ioport );
  83     if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  84       outb (1, ahd->bshs[0].ioport );
  85     bb = (*(scb->hscb));
  86     if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  87       outb (1, ahd->bshs[0].ioport );
  88     if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  89       outb (1, ahd->bshs[0].ioport );
  90   }
  91   if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  92     outb (1, ahd->bshs[0].ioport );
  93   if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  94     outb (1, ahd->bshs[0].ioport );
  95   p = 1;
  96   if (ahd->src_mode == 2 && ahd->dst_mode == p)
  97     {
  98       if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
  99         outb (1, ahd->bshs[0].ioport );
 100       if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
 101         outb (1, ahd->bshs[0].ioport );
 102     }
 103   ahd->src_mode = 1;
 104   ahd->dst_mode = 2;
 105   if (ahd->src_mode == 2 && ahd->dst_mode == dst)
 106     {
 107       if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
 108         outb (1, ahd->bshs[0].ioport );
 109       if (ahd->tags[0] == 1) *(ahd->bshs[0].maddr);
 110         outb (1, ahd->bshs[0].ioport );
 111     }
 112   ahd->src_mode = 1;
 113   ahd->dst_mode = 2;
 114   ahd->flags |= 1;
 115 }