1  typedef struct rtx_def *rtx;
       2  typedef struct rtvec_def *rtvec;
       3  enum rtx_code { PARALLEL, SET };
       4  union rtunion_def {
       5      rtx rt_rtx;
       6      rtvec rt_rtvec;
       7  };
       8  typedef union rtunion_def rtunion;
       9  struct rtx_def {
      10      rtunion fld;
      11  };
      12  struct rtvec_def {
      13      int num_elem;
      14  };
      15  extern rtx operand;
      16  
      17  rtx peephole2_insns (rtx x0, enum rtx_code code)
      18  {
      19    switch (code)
      20      {
      21        case SET:
      22  	  operand = (((x0)->fld).rt_rtx);
      23  	  return operand;
      24        case PARALLEL:
      25  	  if ((((((x0)->fld).rt_rtvec))->num_elem) == 2)
      26  	    return 0;
      27  	  break;
      28      }
      29  }