Definition all_mregs :=
     R3  :: R4  :: R5  :: R6  :: R7  :: R8  :: R9  :: R10
  :: R11 :: R12 :: R14 :: R15 :: R16 :: R17 :: R18 :: R19 :: R20
  :: R21 :: R22 :: R23 :: R24 :: R25 :: R26 :: R27 :: R28
  :: R29 :: R30 :: R31
  :: F0  :: F1  :: F2  :: F3  :: F4
  :: F5  :: F6  :: F7  :: F8
  :: F9  :: F10 :: F11 :: F12
  :: F13 :: F14 :: F15
  :: F16 :: F17 :: F18 :: F19
  :: F20 :: F21 :: F22 :: F23
  :: F24 :: F25 :: F26 :: F27
  :: F28 :: F29 :: F30 :: F31 :: nil.

(* Specifications: *)
Lemma all_mregs_complete: forall (r: mreg), In r all_mregs.