diff --git a/compiler/main/mls2obc.ml b/compiler/main/mls2obc.ml
index 9a97916..77e1c79 100644
--- a/compiler/main/mls2obc.ml
+++ b/compiler/main/mls2obc.ml
@@ -184,14 +184,10 @@ and translate_act map pat
         let true_act = Aassgn (x, mk_exp p.pat_ty (Epattern p)) in
         let false_act = Aassgn (x, translate map e2) in
         let cond = bound_check_expr idx bounds in
-          [ Acase (cond, [ ptrue, mk_block [true_act];
-                                    pfalse, mk_block [false_act] ]) ]
-
+          [ Acase (cond, [ ptrue, mk_block [true_act]; pfalse, mk_block [false_act] ]) ]
+    | Minils.Evarpat x, Minils.Eapp ({ Minils.a_op = Minils.Eupdate }, e1::e2::idx, _) ->
+        let x = Control.var_from_name map x in
      (** TODO: remplacer par if 0 < e && e < n then for () ; o[e] = v; for () else o = a *)
-    | Minils.Evarpat x,
-            Minils.Eapp ({ Minils.a_op = Minils.Eupdate },
-                         e1::e2::idx, _) ->
-        let x = var_from_name map x in
         let bounds = Mls_utils.bounds_list e1.Minils.e_ty in
         let idx = List.map (translate map) idx in
         let action = Aassgn (pattern_of_idx_list x idx,
diff --git a/test/async/Wanted_Normalized_movie.java b/test/async/Wanted_Normalized_movie.java
new file mode 100644
index 0000000..650ea73
--- /dev/null
+++ b/test/async/Wanted_Normalized_movie.java
@@ -0,0 +1,106 @@
+package pipline_b;
+
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
+
+public class Wanted_Normalized_movie {
+    protected final int N;;
+    protected Async_mean_factory mean_factory;;
+    protected Substr[] substr_inst;;
+    protected Future<Integer> v;;
+    protected boolean v_2;;
+    protected int[] v_4;;
+    protected boolean v_5;;
+    
+    
+    
+    public Wanted_Normalized_movie (int N) {
+        this.mean_factory = new Async_mean_factory(N);
+        this.substr_inst = new Substr[N];
+        for (int i_3 = 0; i_3<N; i_3++) { this.substr_inst[i_3] = new Substr(); };
+        this.N = N;
+    }
+    public int[] step (int[] i) throws InterruptedException, ExecutionException {
+        int[] im = new int[N];
+        int[] v_6 = new int[N];
+        int v_3 = 0;
+        int trash = 0;
+        Future<Integer> m = null;
+        if (this.v_2) { v_3 = 0; }
+        else { v_3 = this.v.get(); };
+        if (this.v_5) { v_6 = i; }
+        else { v_6 = this.v_4; };
+        this.v_5 = false;
+        trash = v_3;
+        for (int i_2 = 0; i_2<N; i_2++) {
+          jeptagon.Pervasives.Tuple2<Integer, Integer> out = substr_inst[i_2].step(v_6[i_2], trash);
+          im[i_2] = out.c0;
+          trash = out.c1;
+          };
+        this.v_2 = false;
+        m = mean_factory.step(i);
+        this.v_4 = i;
+        this.v = m;
+        return im;
+    }
+    
+    
+    //params, class, step_result_type, step_args
+    public class Async_mean_factory {
+    	Mean mean_inst;
+    	int N;
+        Future<Integer> result;
+    	
+    	public Async_mean_factory(int N) {
+    		this.N = N;
+    		this.mean_inst = new Mean(N);
+    	}
+    	
+    	public void reset () {
+    		this.mean_inst = new Mean(N);
+    		this.result = null;
+    	}
+    	
+    	public Future<Integer> step(int[] i) {
+    		if (null != result) // Wait for the last result to be completed, null if nothing to wait for.
+				try {
+					result.get();
+				} catch (InterruptedException e1) {
+					// TODO Auto-generated catch block
+					e1.printStackTrace();
+				} catch (ExecutionException e1) {
+					// TODO Auto-generated catch block
+					e1.printStackTrace();
+				}
+    		result = jeptagon.Pervasives.executor_cached.submit(new Async_mean_step(mean_inst, i));
+    		return result;
+    	}
+    	
+        class Async_mean_step implements Callable<Integer>{
+        	int[] i;
+        	Mean mean_inst;
+        	public Async_mean_step(Mean mean_inst, int[] i) {
+        		this.i = i;
+        		this.mean_inst = mean_inst;
+        	}
+        	public Integer call () {
+        		return mean_inst.step(i);
+        	}
+        }
+        
+        
+    	
+    }
+    
+
+    
+    public static void main() {
+    	
+    }
+    
+    public void reset () {
+        this.v_5 = true;
+        this.v_2 = true;
+    }
+}
\ No newline at end of file
diff --git a/test/async/java_m b/test/async/java_m
new file mode 100755
index 0000000..7c7eae0
--- /dev/null
+++ b/test/async/java_m
@@ -0,0 +1,6 @@
+#!/bin/bash
+cp $1 build/
+cd build
+../../../heptc $2 $3 $4 $5 $6 -target java $1
+cd ..
+
diff --git a/test/async/lent.ept b/test/async/lent.ept
new file mode 100644
index 0000000..3b87307
--- /dev/null
+++ b/test/async/lent.ept
@@ -0,0 +1,12 @@
+
+node g () returns (y : int)
+let
+  y = 3
+tel
+
+node f (x : int; c : bool) returns (z : int)
+let
+  z = merge c (true -> (0 fby (g(z when true(c))))) (false -> 0)
+tel
+
+
diff --git a/test/async/obc_m b/test/async/obc_m
new file mode 100755
index 0000000..4a00eee
--- /dev/null
+++ b/test/async/obc_m
@@ -0,0 +1,6 @@
+#!/bin/bash
+cp $@ build/
+cd build
+../../../heptc -target obc $@
+cd ..
+
diff --git a/test/async/pipline.ept b/test/async/pipline.ept
new file mode 100644
index 0000000..240bc51
--- /dev/null
+++ b/test/async/pipline.ept
@@ -0,0 +1,25 @@
+
+fun sum (x,m: int) returns (s: int)
+let
+  s = x + m
+tel
+
+fun substr (x,m: int) returns (d: int; m2:int)
+let
+  d = x - m;
+  m2 = m;
+tel
+
+fun mean<<n: int>> (i: int^n) returns (m: int)
+let
+  m = (fold (+) <<n>> (i,0)) /n
+tel
+
+
+node normalized_movie<<n: int>> (i: int^n) returns (im: int^n)
+var m: int; trash: int;
+let
+  m = mean<<n>>(i);
+  (im,trash) = mapfold substr <<n>> (i,m)
+tel
+
diff --git a/test/async/pipline_a.ept b/test/async/pipline_a.ept
new file mode 100644
index 0000000..501ad72
--- /dev/null
+++ b/test/async/pipline_a.ept
@@ -0,0 +1,30 @@
+
+fun substr (x,m: int) returns (d: int; m2:int)
+let
+  d = x - m;
+  m2 = m;
+tel
+
+fun mean<<n: int>> (i: int^n) returns (m: int)
+let
+  m = (fold (+) <<n>> (i,0) )/n
+tel
+
+
+node normalized_movie<<n: int>> (i: int^n) returns (im: int^n)
+var m: async int; trash: int;
+let
+  m = async mean<<n>>(i);
+  (im,trash) = mapfold substr <<n>> (i fby i, 0 -> !(pre m))
+tel
+
+
+node main () returns (r:int)
+var f: int^100; nf: int^100; x: int;
+let
+  x = 0 fby x+1;
+  f = x^100;
+  nf = normalized_movie<<100>>(f);
+  r = mean<<100>>(nf)
+tel
+  
diff --git a/test/async/pipline_b.ept b/test/async/pipline_b.ept
new file mode 100644
index 0000000..544783c
--- /dev/null
+++ b/test/async/pipline_b.ept
@@ -0,0 +1,25 @@
+
+fun sum (x,m: int) returns (s: int)
+let
+  s = x + m
+tel
+
+fun substr (x,m: int) returns (d: int; m2:int)
+let
+  d = x - m;
+  m2 = m;
+tel
+
+fun mean<<n: int>> (i: int^n) returns (m: int)
+let
+  m = fold sum <<n>> (i,0)
+tel
+
+
+node normalized_movie<<n: int>> (i: int^n) returns (im: int^n)
+var m: int; trash: int;
+let
+  m = mean<<n>>(i);
+  (im,trash) = mapfold substr <<n>> (i fby i, 0 -> (pre m))
+tel
+
diff --git a/test/async/rapide_lent.ept b/test/async/rapide_lent.ept
new file mode 100644
index 0000000..ac0aa53
--- /dev/null
+++ b/test/async/rapide_lent.ept
@@ -0,0 +1,24 @@
+
+
+node lent(coeff:int) returns (y:int)
+let
+  y = do_stuff(coeff);
+tel
+
+
+node rapide<<size:int>>() returns (z:int)
+var y,cpt : int; big_step : bool;
+let
+  big_step = cpt = 0;
+  cpt = size fby (if big_step then size else cpt - 1);
+  y = merge big_step
+        (true  -> 0 -> (pre (lent(size))))
+	(false -> 0 fby y when false(big_step));
+  z = do_stuff(1) - y;
+tel
+
+
+node main() returns(r: int)
+let
+  r = rapide<<1000>>();
+tel
diff --git a/test/async/rapide_lent_a.ept b/test/async/rapide_lent_a.ept
new file mode 100644
index 0000000..1c53a99
--- /dev/null
+++ b/test/async/rapide_lent_a.ept
@@ -0,0 +1,24 @@
+
+
+node lent(coeff:int) returns (y:int)
+let
+  y = do_stuff(coeff);
+tel
+
+
+node rapide<<size:int>>() returns (z:int)
+var y : int; cpt : int; big_step : bool;
+let
+  big_step = cpt = 0;
+  cpt = size fby (if big_step then size else cpt - 1);
+  y = merge big_step
+        (true  -> 0 -> !(pre (async lent(size))))
+	(false -> 0 fby y when false(big_step));
+  z = do_stuff(1) - y;
+tel
+
+
+node main() returns(r: int)
+let
+  r = rapide<<1000>>();
+tel
diff --git a/test/async/scalarize.ept b/test/async/scalarize.ept
new file mode 100644
index 0000000..f4ced3a
--- /dev/null
+++ b/test/async/scalarize.ept
@@ -0,0 +1,7 @@
+
+node f() returns ()
+var t1,t2 : int^4;
+let
+  t1 = [3, 5, 6, 7];
+  t2 = map (+) <<4>> (4^4,t1);
+tel
diff --git a/test/async/tt.ept b/test/async/tt.ept
new file mode 100644
index 0000000..e77a98c
--- /dev/null
+++ b/test/async/tt.ept
@@ -0,0 +1,12 @@
+node counter(res: bool; tick: bool) returns (o: int)
+let
+  o = if res then 0 else if tick then 1 -> pre o + 1 else 0 -> pre o;
+tel
+
+node counter2() returns (b: bool)
+var t : async int;
+let
+  t = async 0 fby async counter(false,true);
+  b = counter(false,true) -1 = !t;
+tel
+  
diff --git a/test/async/ttt.ept b/test/async/ttt.ept
new file mode 100644
index 0000000..95c4ae6
--- /dev/null
+++ b/test/async/ttt.ept
@@ -0,0 +1,18 @@
+node counter(res: bool; tick: bool) returns (o: int)
+let
+  o = if res then 0 else if tick then 1 -> pre o + 1 else 0 -> pre o;
+tel
+
+node counter3() returns (t: async bool)
+var last async t: int; cpt: int;
+let
+  cpt = counter(false,true);
+  automaton
+    state I do
+      t = async counter(false,true)));
+      until true continue III
+    state III do
+      until cpt/3 = 0 continue I
+  end;
+  b = 0 fby cpt - 1 = 0 -> !t ;
+tel
\ No newline at end of file