1 files changed, 48 insertions, 2 deletions
diff --git a/src/arch/operands/register.c b/src/arch/operands/register.c
index 9a6de17..e457158 100644
--- a/src/arch/operands/register.c
+++ b/src/arch/operands/register.c
@@ -52,6 +52,14 @@ static void g_register_operand_print(const GRegisterOperand *, GBufferLine *);
 
 
 
+/* ------------------------ CONTROLE DU VOLUME DES INSTANCES ------------------------ */
+
+
+/* Fournit l'empreinte d'un candidat à une centralisation. */
+static guint g_register_operand_hash(const GRegisterOperand *);
+
+
+
 /* --------------------- TRANSPOSITIONS VIA CACHE DES OPERANDES --------------------- */
 
 
@@ -100,6 +108,8 @@ static void g_register_operand_class_init(GRegisterOperandClass *klass)
     operand->compare = (operand_compare_fc)g_register_operand_compare;
     operand->print = (operand_print_fc)g_register_operand_print;
 
+    operand->hash = (operand_hash_fc)g_register_operand_hash;
+
     operand->unserialize = (unserialize_operand_fc)g_register_operand_unserialize;
     operand->serialize = (serialize_operand_fc)g_register_operand_serialize;
 
@@ -229,8 +239,7 @@ GArchRegister *g_register_operand_get_register(const GRegisterOperand *operand)
 
     result = operand->reg;
 
-    if (result != NULL)
-        g_object_ref(G_OBJECT(result));
+    g_object_ref(G_OBJECT(result));
 
     return result;
 
@@ -296,6 +305,43 @@ bool g_register_operand_is_written(const GRegisterOperand *operand)
 
 
 /* ---------------------------------------------------------------------------------- */
+/*                          CONTROLE DU VOLUME DES INSTANCES                          */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : operand = objet dont l'instance se veut unique.              *
+*                                                                             *
+*  Description : Fournit l'empreinte d'un candidat à une centralisation.      *
+*                                                                             *
+*  Retour      : Empreinte de l'élément représenté.                           *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static guint g_register_operand_hash(const GRegisterOperand *operand)
+{
+    guint result;                           /* Valeur à retourner          */
+    GArchRegister *reg;                     /* Registre visé par l'opérande*/
+
+    reg = g_register_operand_get_register(operand);
+
+    result = g_arch_register_hash(reg);
+
+    g_object_unref(G_OBJECT(reg));
+
+    if (g_register_operand_is_written(operand))
+        result ^= 1;
+
+    return result;
+
+}
+
+
+
+/* ---------------------------------------------------------------------------------- */
 /*                       TRANSPOSITIONS VIA CACHE DES OPERANDES                       */
 /* ---------------------------------------------------------------------------------- */