gcc/testsuite/gcc.c-torture/compile/20080922-1.c

   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 }