diff options
Diffstat (limited to 'riscV/Asmgenproof1.v')
| -rw-r--r-- | riscV/Asmgenproof1.v | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/riscV/Asmgenproof1.v b/riscV/Asmgenproof1.v index a826455e..1b3a0dbf 100644 --- a/riscV/Asmgenproof1.v +++ b/riscV/Asmgenproof1.v @@ -1268,6 +1268,54 @@ Opaque Int.eq. split; intros; Simpl. all: destruct (rs x0); auto. all: destruct (rs x1); auto. + exists rs'; split; eauto. rewrite B; auto with asmgen. +- (* shrxlimm *) + destruct (Val.shrxl (rs x0) (Vint n)) eqn:TOTAL. + { + exploit Val.shrxl_shrl_3; eauto. intros E; subst v. + destruct (Int.eq n Int.zero). ++ econstructor; split. apply exec_straight_one. simpl; eauto. auto. + split; intros; Simpl. ++ destruct (Int.eq n Int.one). + * econstructor; split. + eapply exec_straight_step. simpl; reflexivity. auto. + eapply exec_straight_step. simpl; reflexivity. auto. + apply exec_straight_one. simpl; reflexivity. auto. + split; intros; Simpl. + + * change (Int.repr 64) with Int64.iwordsize'. set (n' := Int.sub Int64.iwordsize' n). + econstructor; split. + eapply exec_straight_step. simpl; reflexivity. auto. + eapply exec_straight_step. simpl; reflexivity. auto. + eapply exec_straight_step. simpl; reflexivity. auto. + apply exec_straight_one. simpl; reflexivity. auto. + split; intros; Simpl. + } + destruct (Int.eq n Int.zero). ++ econstructor; split. apply exec_straight_one. simpl; eauto. auto. + split; intros; Simpl. ++ destruct (Int.eq n Int.one). + * econstructor; split. + eapply exec_straight_step. simpl; reflexivity. auto. + eapply exec_straight_step. simpl; reflexivity. auto. + apply exec_straight_one. simpl; reflexivity. auto. + split; intros; Simpl. + + * change (Int.repr 64) with Int64.iwordsize'. set (n' := Int.sub Int64.iwordsize' n). + econstructor; split. + eapply exec_straight_step. simpl; reflexivity. auto. + eapply exec_straight_step. simpl; reflexivity. auto. + eapply exec_straight_step. simpl; reflexivity. auto. + apply exec_straight_one. simpl; reflexivity. auto. + split; intros; Simpl. + +- (* cond *) + exploit transl_cond_op_correct; eauto. intros (rs' & A & B & C). + exists rs'; split. eexact A. eauto with asmgen. +- (* select *) + econstructor; split. apply exec_straight_one. simpl; eauto. auto. + split; intros; Simpl. + apply Val.lessdef_normalize. Qed. (** Memory accesses *) |