   0  getfield_gc_i %r0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_bigendian> -> %i0
   5  -live- %f0, %i0, %r0
   8  goto_if_not_int_is_true %i0, L1
  12  raise $<* struct object>
  14  ---
  14  L1:
  14  getfield_gc_r %r0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_wbuf> -> %r1
  19  getfield_gc_i %r0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_pos> -> %i0
  24  -live- %f0, %i0, %r0, %r1
  27  guard_class %r1 -> %i1
  30  getfield_raw_i %i1, FieldDescr<rpython.rlib.buffer.Buffer_vtable.cls_typed_write> -> %i1
  35  getfield_raw_i %i1, FieldDescr<specfunc.variant2> -> %i1
  40  -live- %f0, %i0, %i1, %r0, %r1
  43  int_guard_value %i1
  45  residual_call_irf_v %i1, <IndirectCallTargets>, I[%i0], R[%r1], F[%f0], <CallDescr(riL) EF=7>
  55  -live- %r0
  58  getfield_gc_i %r0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_pos> -> %i0
  63  int_add %i0, $8 -> %i0
  67  setfield_gc_i %r0, %i0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_pos>
  72  void_return
