   0  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x6edce7d0> -> %r1
   4  setfield_gc_r %r1, %r0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_input>
   9  setfield_gc_i %r1, $0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos>
  14  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x6edce2d0> -> %r0
  18  setfield_gc_r %r0, %r1, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_mr>
  23  setfield_gc_i %r0, $False, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_bigendian>
  28  inline_call_irf_f <JitCode 'do_unpack_fastpath__rpython_rlib_rstruct_runpack_ReaderForPos0'>, I[], R[%r0], F[] -> %f0
  36  -live- %f0, %r0
  36  catch_exception L1
  39  L2:
  39  setfield_gc_f %r0, %f0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_value>
  44  float_return %f0
  46  ---
  46  L1:
  46  goto_if_exception_mismatch $<* struct object_vtable>, L3
  50  getfield_gc_r %r0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_mr> -> %r1
  55  inline_call_ir_r <JitCode 'MasterReader.read'>, I[$8], R[%r1] -> %r1
  63  -live- %r0, %r1
  63  gc_load_indexed_f %r1, $0, $<ItemOffset <Char> 1>, $< <FieldOffset <GcStruct rpy_string { hash, chars }> 'chars'> + < ArrayItemsOffset <Array of Char > > >, $<ItemOffset <Float> 1> -> %f0
  70  goto L2
  73  ---
  73  L3:
  73  reraise
