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-rw-r--r--miasm2/expression/expression.py5
-rw-r--r--miasm2/expression/simplifications_cond.py6
2 files changed, 7 insertions, 4 deletions
diff --git a/miasm2/expression/expression.py b/miasm2/expression/expression.py
index 6b189c4d..a72c1ec4 100644
--- a/miasm2/expression/expression.py
+++ b/miasm2/expression/expression.py
@@ -525,11 +525,14 @@ class ExprId(Expr):
 
     __slots__ = Expr.__slots__ + ["_name"]
 
-    def __init__(self, name, size=32):
+    def __init__(self, name, size=None):
         """Create an identifier
         @name: str, identifier's name
         @size: int, identifier's size
         """
+        if size is None:
+            warnings.warn('DEPRECATION WARNING: size is a mandatory argument: use ExprId(name, SIZE)')
+            size = 32
         super(ExprId, self).__init__(size)
         self._name = name
 
diff --git a/miasm2/expression/simplifications_cond.py b/miasm2/expression/simplifications_cond.py
index 3054d92b..6bdc810f 100644
--- a/miasm2/expression/simplifications_cond.py
+++ b/miasm2/expression/simplifications_cond.py
@@ -19,9 +19,9 @@ import miasm2.expression.expression as m2_expr
 
 # Jokers for expression matching
 
-jok1 = m2_expr.ExprId("jok1")
-jok2 = m2_expr.ExprId("jok2")
-jok3 = m2_expr.ExprId("jok3")
+jok1 = m2_expr.ExprId("jok1", 32)
+jok2 = m2_expr.ExprId("jok2", 32)
+jok3 = m2_expr.ExprId("jok3", 32)
 jok_small = m2_expr.ExprId("jok_small", 1)