gcc/testsuite/gcc.c-torture/compile/pr28489.c

   1 typedef int c_int;
   2 union c_insn
   3 {
   4   void (*op) ();
   5   c_int *mem;
   6   c_int imm;
   7 };
   8 static union c_insn c_stack[((0x100 + 4) * 4)];
   9 static struct c_ident *c_funcs;
  10 static void (*c_op_bz) ();
  11 static void c_direct (union c_insn *addr);
  12 c_compile (int (*ext_getchar) (), void (*ext_rewind) (),
  13            struct c_ident *externs)
  14 {
  15   c_direct (((void *) 0));
  16 }
  17 static void
  18 c_direct (union c_insn *addr)
  19 {
  20   union c_insn *pc = addr;
  21   union c_insn *sp = c_stack;
  22   c_int imm = 0;
  23   static void *ops[] = {
  24     &&op_index, &&op_assign, &&op_add_a, &&op_sub_a, &&op_mul_a, &&op_div_a,
  25       &&op_mod_a, &&op_or_a, &&op_xor_a, &&op_and_a, &&op_shl_a, &&op_shr_a,
  26   };
  27     {
  28       c_op_bz = &&op_bz;
  29     }
  30   goto *(pc++)->op;
  31 op_bz:if (imm)
  32     {
  33     }
  34 op_push_imm_imm:(sp - 2)->imm = imm;
  35   goto *(pc - 1)->op;
  36 op_index:imm = *((sp - 3)->mem += imm);
  37 op_assign:*(sp - 3)->mem = imm;
  38 op_add_a:imm = *(sp - 3)->mem += imm;
  39 op_sub_a:imm = *(sp - 3)->mem -= imm;
  40 op_mul_a:imm = *(sp - 3)->mem *= imm;
  41 op_div_a:imm = *(sp - 3)->mem /= imm;
  42 op_mod_a:imm = *(sp - 3)->mem %= imm;
  43 op_or_a:imm = *(sp - 3)->mem |= imm;
  44 op_xor_a:imm = *(sp - 3)->mem ^= imm;
  45 op_and_a:imm = *(sp - 3)->mem &= imm;
  46 op_shl_a:imm = *(sp - 3)->mem <<= imm;
  47 op_shr_a:imm = *(sp - 3)->mem >>= imm;
  48 }