Remark find_label_save_callee_save:
  forall lbl l ofs k,
  Mach.find_label lbl (save_callee_save_rec l ofs k) = Mach.find_label lbl k.Remark find_label_restore_callee_save:
  forall lbl l ofs k,
  Mach.find_label lbl (restore_callee_save_rec l ofs k) = Mach.find_label lbl k.

Lemma transl_external_argument: forall l, In l (regs_of_rpairs (loc_arguments sg)) -> exists v, extcall_arg rs m' (parent_sp cs') l v /\ Val.inject j (ls l) v.