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| author | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2020-09-21 09:17:05 +0200 |
|---|---|---|
| committer | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2020-09-21 19:39:46 +0200 |
| commit | cae21e8816db863bf99f87469c9680e150d28960 (patch) | |
| tree | 19fdf188238300245e0e5e7a9b78a94bbb53df93 /riscV/Asmgenproof1.v | |
| parent | 52b4f973646c3b79804fcdddeed5325ab1f3ce7d (diff) | |
| download | compcert-kvx-cae21e8816db863bf99f87469c9680e150d28960.tar.gz compcert-kvx-cae21e8816db863bf99f87469c9680e150d28960.zip | |
maketotal mod & div
Diffstat (limited to 'riscV/Asmgenproof1.v')
| -rw-r--r-- | riscV/Asmgenproof1.v | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/riscV/Asmgenproof1.v b/riscV/Asmgenproof1.v index 8678a5dc..d2255e66 100644 --- a/riscV/Asmgenproof1.v +++ b/riscV/Asmgenproof1.v @@ -1035,7 +1035,9 @@ Opaque Int.eq. intros (rs' & A & B & C). exists rs'; split; eauto. rewrite B; auto with asmgen. - (* shrximm *) - clear H. exploit Val.shrx_shr_3; eauto. intros E; subst v; clear EV. + destruct (Val.shrx (rs x0) (Vint n)) eqn:TOTAL; cbn. + { + exploit Val.shrx_shr_3; eauto. intros E; subst v. destruct (Int.eq n Int.zero). + econstructor; split. apply exec_straight_one. simpl; eauto. auto. split; intros; Simpl. @@ -1052,6 +1054,24 @@ Opaque Int.eq. 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 32) with Int.iwordsize. set (n' := Int.sub Int.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. + - (* longofintu *) econstructor; split. eapply exec_straight_three. simpl; eauto. simpl; eauto. simpl; eauto. auto. auto. auto. @@ -1076,7 +1096,27 @@ Opaque Int.eq. intros (rs' & A & B & C). exists rs'; split; eauto. rewrite B; auto with asmgen. - (* shrxlimm *) - clear H. exploit Val.shrxl_shrl_3; eauto. intros E; subst v; clear EV. + 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. @@ -1094,6 +1134,7 @@ Opaque Int.eq. 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. |