1  /* PR middle-end/22127 */
       2  /* Testcase by <akr@m17n.org> */
       3  
       4  /* { dg-do run { target *-*-solaris2.* } } */
       5  /* { dg-require-effective-target ilp32 } */
       6  /* { dg-options "-O" } */
       7  
       8  typedef unsigned int size_t;
       9  extern int printf(const char *, ...);
      10  typedef unsigned char uint8_t;
      11  typedef unsigned int uint32_t;
      12  typedef unsigned int uint_t;
      13  typedef char *caddr_t;
      14  typedef int greg_t;
      15  typedef greg_t gregset_t[19];
      16  struct rwindow {
      17   greg_t rw_local[8];
      18   greg_t rw_in[8];
      19  };
      20  typedef struct gwindows {
      21   int wbcnt;
      22   greg_t *spbuf[31];
      23   struct rwindow wbuf[31];
      24  } gwindows_t;
      25  struct fpu {
      26   union {
      27    uint32_t fpu_regs[32];
      28    double fpu_dregs[16];
      29   } fpu_fr;
      30   struct fq *fpu_q;
      31   uint32_t fpu_fsr;
      32   uint8_t fpu_qcnt;
      33   uint8_t fpu_q_entrysize;
      34   uint8_t fpu_en;
      35  };
      36  typedef struct fpu fpregset_t;
      37  typedef struct {
      38   unsigned int xrs_id;
      39   caddr_t xrs_ptr;
      40  } xrs_t;
      41  typedef struct {
      42   gregset_t gregs;
      43   gwindows_t *gwins;
      44   fpregset_t fpregs;
      45   xrs_t xrs;
      46   long filler[19];
      47  } mcontext_t;
      48  typedef struct {
      49   unsigned int __sigbits[4];
      50  } sigset_t;
      51  typedef struct sigaltstack {
      52   void *ss_sp;
      53   size_t ss_size;
      54   int ss_flags;
      55  } stack_t;
      56  typedef struct ucontext ucontext_t;
      57  struct ucontext {
      58   uint_t uc_flags;
      59   ucontext_t *uc_link;
      60   sigset_t uc_sigmask;
      61   stack_t uc_stack;
      62   mcontext_t uc_mcontext;
      63   long uc_filler[23];
      64  };
      65  extern int getcontext(ucontext_t *);
      66  extern int setcontext(const ucontext_t *);
      67  
      68  int flag;
      69  ucontext_t cont;
      70  int pad[100];
      71  typedef void (*fun_t)(int);
      72  fun_t p0,p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11,p12;
      73  
      74  int global;
      75  
      76  extern void abort(void);
      77  
      78  void h1(int v)
      79  {
      80    global = v;
      81  }
      82  
      83  void h2(int v)
      84  {
      85    if (v != 1)
      86      abort();
      87  }
      88  
      89  void f(void)
      90  {
      91    flag = 1;
      92    setcontext(&cont);
      93  }
      94  
      95  int g(void)
      96  {
      97    int ret;
      98  
      99    flag = 0;
     100    getcontext(&cont);
     101    ret = flag;
     102    if (ret == 0) {
     103      h1 (flag);
     104      p0 = p1 = p2 = p3 = p4 = p5 = p6 = p7 = p8 = h1;
     105      f();
     106      p0(ret); p1(ret); p2(ret); p3(ret); p4(ret); p5(ret); p6(ret); p7(ret); p8(ret);
     107    }
     108    else {
     109      h2 (flag);
     110    }
     111    return ret;
     112  }
     113  
     114  int main(void)
     115  {
     116    g();
     117    return 0;
     118  }