diff options
Diffstat (limited to 'powerpc/Asmgenproof1.v')
| -rw-r--r-- | powerpc/Asmgenproof1.v | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/powerpc/Asmgenproof1.v b/powerpc/Asmgenproof1.v index 884d5366..1b797999 100644 --- a/powerpc/Asmgenproof1.v +++ b/powerpc/Asmgenproof1.v @@ -1284,7 +1284,9 @@ Proof. reflexivity. + Simpl. rewrite <- (C r1), <- (C r2) by auto. - rewrite B. destruct dir; destruct ob as [[]|]; simpl; auto using Val.lessdef_normalize. + rewrite B, gpr_or_zero_not_zero. + destruct dir; destruct ob as [[]|]; simpl; auto using Val.lessdef_normalize. + destruct dir; intros e; subst; discriminate. + intros. Simpl. Qed. @@ -1677,8 +1679,8 @@ Qed. (** Translation of loads *) Lemma transl_load_correct: - forall chunk addr args dst k c (rs: regset) m a v, - transl_load chunk addr args dst k = OK c -> + forall trap chunk addr args dst k c (rs: regset) m a v, + transl_load trap chunk addr args dst k = OK c -> eval_addressing ge (rs#GPR1) addr (map rs (map preg_of args)) = Some a -> Mem.loadv chunk m a = Some v -> exists rs', @@ -1687,6 +1689,7 @@ Lemma transl_load_correct: /\ forall r, r <> PC -> r <> GPR12 -> r <> GPR0 -> r <> preg_of dst -> rs' r = rs r. Proof. intros. + destruct trap; try discriminate. assert (LD: forall v, Val.lessdef a v -> v = a). { intros. inv H2; auto. discriminate H1. } assert (BASE: forall mk1 mk2 k' chunk' v', |