Adding fp init expansions

riscV/RTLpathSE_simplify.v

@@ -368,6 +368,14 @@ Definition target_op_simplify (op: operation) (lr: list reg) (hst: hsistate_loca
       let is_inv := is_inv_cmp_float c in
       let lhsv := make_lhsv_cmp is_inv hv1 hv2 in
       Some (expanse_cond_fp true cond_single c lhsv)
+  | Ofloatconst f, nil =>
+      let bits_const := fSop (Olongconst (Float.to_bits f)) fSnil in
+      let hl := make_lhsv_single bits_const in
+      Some (fSop (Ofloat_of_bits) hl)
+  | Osingleconst f, nil =>
+      let bits_const := fSop (Ointconst (Float32.to_bits f)) fSnil in
+      let hl := make_lhsv_single bits_const in
+      Some (fSop (Osingle_of_bits) hl)
   | _, _ => None
   end.
 
@@ -1211,6 +1219,13 @@ Proof.
   unfold target_op_simplify; simpl.
   intros H (LREF & SREF & SREG & SMEM) ? ? ?.
   destruct op; try congruence.
+  (* FP const expansions *)
+  1,2:
+    repeat (destruct lr; simpl; try congruence);
+    simpl in OK1; inv OK1; inv H; simpl;
+    try rewrite Float.of_to_bits;
+    try rewrite Float32.of_to_bits; trivial.
+  (* Ocmp expansions *)
   destruct cond; repeat (destruct lr; simpl; try congruence);
   simpl in OK1;
   try (destruct (seval_sval ge sp (si_sreg st r) rs0 m0) eqn:OKv1; try congruence);

scheduling/RTLpathScheduler.v

@@ -158,7 +158,7 @@ Definition verified_scheduler (f: RTLpath.function) : res (RTLpath.function * (P
   let (tc, te) := tcte in
   let tfr := mkfunction (fn_sig f) (fn_params f) (fn_stacksize f) tc te in
   do tf <- proj1_sig (function_builder tfr tpm);
-  (*do tt <- function_equiv_checker dm f tf; *)
+  do tt <- function_equiv_checker dm f tf; 
   OK (tf, dm).
 
 Theorem verified_scheduler_correct f tf dm:
@@ -171,7 +171,7 @@ Theorem verified_scheduler_correct f tf dm:
   /\ (forall pc1 pc2, dm ! pc2 = Some pc1 -> path_entry (fn_path tf) pc2)
   /\ (forall pc1 pc2, dm ! pc2 = Some pc1 -> sexec_simu dm f tf pc1 pc2)
 .
-Proof. Admitted. (*
+Proof.
   intros VERIF. unfold verified_scheduler in VERIF. explore.
   Local Hint Resolve function_equiv_checker_entrypoint
     function_equiv_checker_pathentry1 function_equiv_checker_pathentry2
@@ -180,7 +180,7 @@ Proof. Admitted. (*
     apply H in EQ2. rewrite EQ2. simpl.
   repeat (constructor; eauto).
   exploit function_equiv_checker_entrypoint. eapply EQ4. rewrite EQ2. intuition.
-                    Qed. *)
+Qed.
 
 Record match_function (dupmap: PTree.t node) (f1 f2: RTLpath.function): Prop := {
   preserv_fnsig: fn_sig f1 = fn_sig f2;