diff options
Diffstat (limited to 'powerpc/Asmgenproof.v')
| -rw-r--r-- | powerpc/Asmgenproof.v | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/powerpc/Asmgenproof.v b/powerpc/Asmgenproof.v index 27b2108b..e7b73854 100644 --- a/powerpc/Asmgenproof.v +++ b/powerpc/Asmgenproof.v @@ -343,12 +343,21 @@ Proof. Qed. Hint Rewrite addimm_label: labels. +Remark andimm_base_label: + forall r1 r2 n k, find_label lbl (andimm_base r1 r2 n k) = find_label lbl k. +Proof. + intros; unfold andimm_base. + case (Int.eq (high_u n) Int.zero). reflexivity. + case (Int.eq (low_u n) Int.zero). reflexivity. + autorewrite with labels. reflexivity. +Qed. +Hint Rewrite andimm_base_label: labels. + Remark andimm_label: forall r1 r2 n k, find_label lbl (andimm r1 r2 n k) = find_label lbl k. Proof. intros; unfold andimm. - case (Int.eq (high_u n) Int.zero). reflexivity. - case (Int.eq (low_u n) Int.zero). reflexivity. + case (is_rlw_mask n). reflexivity. autorewrite with labels. reflexivity. Qed. Hint Rewrite andimm_label: labels. @@ -371,6 +380,15 @@ Proof. Qed. Hint Rewrite xorimm_label: labels. +Remark rolm_label: + forall r1 r2 amount mask k, find_label lbl (rolm r1 r2 amount mask k) = find_label lbl k. +Proof. + intros; unfold rolm. + case (is_rlw_mask mask). reflexivity. + simpl. autorewrite with labels. auto. +Qed. +Hint Rewrite rolm_label: labels. + Remark loadind_label: forall base ofs ty dst k, find_label lbl (loadind base ofs ty dst k) = find_label lbl k. Proof. @@ -405,7 +423,7 @@ Proof. case (Int.eq (high_u i) Int.zero). reflexivity. autorewrite with labels; reflexivity. apply floatcomp_label. apply floatcomp_label. - apply andimm_label. apply andimm_label. + apply andimm_base_label. apply andimm_base_label. Qed. Hint Rewrite transl_cond_label: labels. |