Hint Resolve preg_of_not_SP preg_of_not_PC: asmgen.

(* Specifications: *)
Lemma nextinstr_pc:
forall rs, (nextinstr rs)#PC = Val.offset_ptr rs#PC Ptrofs.one.
Lemma nextinstr_inv:
forall r rs, r <> PC -> (nextinstr rs)#r = rs#r.
Lemma nextinstr_inv1:
forall r rs, data_preg r = true -> (nextinstr rs)#r = rs#r.
Lemma nextinstr_set_preg:
forall rs m v,
(nextinstr (rs#(preg_of m) <- v))#PC = Val.offset_ptr rs#PC Ptrofs.one.
Lemma undef_regs_other:
forall r rl rs,
(forall r', In r' rl -> r <> r') ->
undef_regs rl rs r = rs r.