gcc/testsuite/gcc.dg/torture/pr109652.c

   1 /* { dg-do compile } */
   2
   3 typedef int UInt;
   4 UInt skeletal_RI5_instr;
   5 __attribute__((__noreturn__)) void vex_assert_fail();
   6 typedef struct {
   7   union {
   8     struct {
   9       UInt imm5;
  10     } I5;
  11   } ARMri5;
  12 } ARMRI5;
  13 typedef enum { ARMin_Alu, ARMin_Shift } ARMInstrTag;
  14 void iregEnc();
  15 static UInt skeletal_RI5(ARMRI5 *ri) {
  16   UInt imm5 = ri->ARMri5.I5.imm5;
  17   __builtin_expect(imm5, 1) ?: vex_assert_fail();
  18   iregEnc(ri->ARMri5);
  19   return skeletal_RI5_instr;
  20 }
  21 ARMInstrTag emit_ARMInstr_i_0;
  22 void *emit_ARMInstr_disp_cp_chain_me_to_slowEP() {
  23   switch (emit_ARMInstr_i_0) {
  24   case ARMin_Alu:
  25     UInt instr, subopc;
  26     UInt rD, rN;
  27     goto bad;
  28     instr |= subopc | rN;
  29   case ARMin_Shift:
  30     rD = 0;
  31     UInt rM = 0;
  32     ARMRI5 argR;
  33     instr = skeletal_RI5(&argR);
  34     instr |= rD | rM;
  35     goto done;
  36   }
  37 bad:
  38 done:
  39   return 0;
  40 }