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authorCyril SIX <cyril.six@kalray.eu>2019-03-07 16:26:28 +0100
committerCyril SIX <cyril.six@kalray.eu>2019-03-07 16:26:28 +0100
commitd4e023d87ec851ca3b670b45327c95600f4afee4 (patch)
treeb12601648bd6e0dd5262866ca1d5935f23870294 /mppa_k1c/Asmblockgenproof1.v
parentb976979ce673c693dec0fc9c28c43d5b63ebd9b1 (diff)
downloadcompcert-kvx-d4e023d87ec851ca3b670b45327c95600f4afee4.tar.gz
compcert-kvx-d4e023d87ec851ca3b670b45327c95600f4afee4.zip
Fix minor proof
Diffstat (limited to 'mppa_k1c/Asmblockgenproof1.v')
-rw-r--r--mppa_k1c/Asmblockgenproof1.v91
1 files changed, 91 insertions, 0 deletions
diff --git a/mppa_k1c/Asmblockgenproof1.v b/mppa_k1c/Asmblockgenproof1.v
index 76404257..b3519064 100644
--- a/mppa_k1c/Asmblockgenproof1.v
+++ b/mppa_k1c/Asmblockgenproof1.v
@@ -427,6 +427,69 @@ Proof.
rewrite H0. simpl; auto.
Qed.
+Lemma transl_compf_correct:
+ forall cmp r1 r2 lbl k rs m tbb b,
+ exists rs',
+ exec_straight ge (transl_comp_float64 cmp r1 r2 lbl k) rs m (Pcb BTwnez RTMP lbl ::g k) rs' m
+ /\ (forall r : preg, r <> PC -> r <> RTMP -> rs' r = rs r)
+ /\ ( Val.cmpf_bool cmp rs#r1 rs#r2 = Some b ->
+ exec_control ge fn (Some (PCtlFlow (Pcb BTwnez RTMP lbl))) (nextblock tbb rs') m
+ = eval_branch fn lbl (nextblock tbb rs') m (Some b))
+ .
+Proof. Admitted.
+(* intros. esplit. split.
+- unfold transl_compl. apply exec_straight_one; simpl; eauto.
+- split.
+ + intros; Simpl.
+ + intros.
+ remember (rs # RTMP <- (compare_long (itest_for_cmp cmp Signed) rs # r1 rs # r2 m)) as rs'.
+ simpl. assert (Val.cmp_bool Cne (nextblock tbb rs') # RTMP (Vint (Int.repr 0)) = Some b).
+ {
+ assert ((nextblock tbb rs') # RTMP = (compare_long (itest_for_cmp cmp Signed) rs # r1 rs # r2 m)).
+ { rewrite Heqrs'. auto. }
+ rewrite H0. rewrite <- H.
+ remember (Val.cmpl_bool cmp rs#r1 rs#r2) as cmpbool.
+ destruct cmp; simpl;
+ unfold compare_long;
+ unfold Val.cmpl; rewrite <- Heqcmpbool; destruct cmpbool; simpl; auto;
+ destruct b0; simpl; auto.
+ }
+ rewrite H0. simpl; auto.
+Qed. *)
+
+Lemma transl_compnotf_correct:
+ forall cmp r1 r2 lbl k rs m tbb b,
+ exists rs',
+ exec_straight ge (transl_comp_notfloat64 cmp r1 r2 lbl k) rs m (Pcb BTwnez RTMP lbl ::g k) rs' m
+ /\ (forall r : preg, r <> PC -> r <> RTMP -> rs' r = rs r)
+ /\ (option_map negb (Val.cmpf_bool cmp rs#r1 rs#r2) = Some b ->
+ exec_control ge fn (Some (PCtlFlow (Pcb BTwnez RTMP lbl))) (nextblock tbb rs') m
+ = eval_branch fn lbl (nextblock tbb rs') m (Some b))
+ .
+Proof. Admitted.
+
+Lemma transl_compfs_correct:
+ forall cmp r1 r2 lbl k rs m tbb b,
+ exists rs',
+ exec_straight ge (transl_comp_float32 cmp r1 r2 lbl k) rs m (Pcb BTwnez RTMP lbl ::g k) rs' m
+ /\ (forall r : preg, r <> PC -> r <> RTMP -> rs' r = rs r)
+ /\ ( Val.cmpfs_bool cmp rs#r1 rs#r2 = Some b ->
+ exec_control ge fn (Some (PCtlFlow (Pcb BTwnez RTMP lbl))) (nextblock tbb rs') m
+ = eval_branch fn lbl (nextblock tbb rs') m (Some b))
+ .
+Proof. Admitted.
+
+Lemma transl_compnotfs_correct:
+ forall cmp r1 r2 lbl k rs m tbb b,
+ exists rs',
+ exec_straight ge (transl_comp_notfloat32 cmp r1 r2 lbl k) rs m (Pcb BTwnez RTMP lbl ::g k) rs' m
+ /\ (forall r : preg, r <> PC -> r <> RTMP -> rs' r = rs r)
+ /\ (option_map negb (Val.cmpfs_bool cmp rs#r1 rs#r2) = Some b ->
+ exec_control ge fn (Some (PCtlFlow (Pcb BTwnez RTMP lbl))) (nextblock tbb rs') m
+ = eval_branch fn lbl (nextblock tbb rs') m (Some b))
+ .
+Proof. Admitted.
+
Lemma transl_complu_correct:
forall cmp r1 r2 lbl k rs m tbb b,
exists rs',
@@ -751,6 +814,34 @@ Proof.
* split; auto.
{ apply C'; auto. rewrite B, C; eauto with asmgen. }
{ intros. rewrite B'; eauto with asmgen. }
+
+(* Ccompf *)
+- exploit (transl_compf_correct c0 x x0 lbl); eauto. intros (rs' & A & B & C).
+ exists rs', (Pcb BTwnez RTMP lbl).
+ split.
+ + constructor. eexact A.
+ + split; auto. apply C; auto.
+
+(* Cnotcompf *)
+- exploit (transl_compnotf_correct c0 x x0 lbl); eauto. intros (rs' & A & B & C).
+ exists rs', (Pcb BTwnez RTMP lbl).
+ split.
+ + constructor. eexact A.
+ + split; auto. apply C; auto.
+
+(* Ccompfs *)
+- exploit (transl_compfs_correct c0 x x0 lbl); eauto. intros (rs' & A & B & C).
+ exists rs', (Pcb BTwnez RTMP lbl).
+ split.
+ + constructor. eexact A.
+ + split; auto. apply C; auto.
+
+(* Cnotcompfs *)
+- exploit (transl_compnotfs_correct c0 x x0 lbl); eauto. intros (rs' & A & B & C).
+ exists rs', (Pcb BTwnez RTMP lbl).
+ split.
+ + constructor. eexact A.
+ + split; auto. apply C; auto.
Qed.
Lemma transl_cbranch_correct_true: