   0  inline_call_r_i <JitCode 'do_unpack_fastpath__rpython_rlib_rstruct_runpack_ReaderForPos0'>, R[%r0] -> %i0
   6  -live- %i0, %r0
   6  catch_exception L1
   9  setfield_gc_i %r0, %i0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_value>
  14  void_return
  15  ---
  15  L1:
  15  goto_if_exception_mismatch $<* struct object_vtable>, L2
  19  getfield_gc_r %r0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_mr> -> %r1
  24  inline_call_ir_r <JitCode 'MasterReader.read'>, I[$4], R[%r1] -> %r1
  32  -live- %r0, %r1
  32  strgetitem %r1, $0 -> %i0
  36  int_or %i0, $0 -> %i0
  40  strgetitem %r1, $1 -> %i1
  44  int_lshift %i0, $8 -> %i0
  48  int_or %i0, %i1 -> %i0
  52  strgetitem %r1, $2 -> %i1
  56  int_lshift %i0, $8 -> %i0
  60  int_or %i0, %i1 -> %i0
  64  strgetitem %r1, $3 -> %i1
  68  int_lshift %i0, $8 -> %i0
  72  int_or %i0, %i1 -> %i0
  76  setfield_gc_i %r0, %i0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_value>
  81  void_return
  82  ---
  82  L2:
  82  reraise
