also count remats

[r22335]

ir/be/bearch.h

@@ -102,13 +102,14 @@ typedef enum arch_irn_class_t {
 	arch_irn_class_normal     = 1 << 0,
 	arch_irn_class_spill      = 1 << 1,
 	arch_irn_class_reload     = 1 << 2,
-	arch_irn_class_copy       = 1 << 3,
-	arch_irn_class_perm       = 1 << 4,
-	arch_irn_class_branch     = 1 << 5,
-	arch_irn_class_call       = 1 << 6,
-	arch_irn_class_load       = 1 << 7,
-	arch_irn_class_store      = 1 << 8,
-	arch_irn_class_stackparam = 1 << 9,
+	arch_irn_class_remat      = 1 << 3,
+	arch_irn_class_copy       = 1 << 4,
+	arch_irn_class_perm       = 1 << 5,
+	arch_irn_class_branch     = 1 << 6,
+	arch_irn_class_call       = 1 << 7,
+	arch_irn_class_load       = 1 << 8,
+	arch_irn_class_store      = 1 << 9,
+	arch_irn_class_stackparam = 1 << 10,
 } arch_irn_class_t;
 
 /**

ir/be/bechordal_main.c

@@ -232,6 +232,7 @@ typedef struct _node_stat_t {
 	unsigned int n_perms;     /**< Perms */
 	unsigned int n_spills;    /**< Spill nodes */
 	unsigned int n_reloads;   /**< Reloads */
+	unsigned int n_remats;    /**< Remats */
 } node_stat_t;
 
 struct node_stat_walker {
@@ -258,6 +259,8 @@ static void node_stat_walker(ir_node *irn, void *data)
 			++env->stat->n_spills;
 		if(classify & arch_irn_class_reload)
 			++env->stat->n_reloads;
+		if(classify & arch_irn_class_remat)
+			++env->stat->n_remats;
 		if(classify & arch_irn_class_copy)
 			++env->stat->n_copies;
 		if(classify & arch_irn_class_perm)
@@ -521,6 +524,8 @@ static void be_ra_chordal_main(be_irg_t *birg)
 						node_stat.n_mem_phis - last_node_stat.n_mem_phis);
 				stat_ev_dbl("bechordal_reloads",
 						node_stat.n_reloads - last_node_stat.n_reloads);
+				stat_ev_dbl("bechordal_remats",
+						node_stat.n_remats - last_node_stat.n_remats);
 				stat_ev_dbl("bechordal_spills",
 						node_stat.n_spills - last_node_stat.n_spills);
 				stat_ev_dbl("bechordal_perms_after_coal",

ir/be/ia32/bearch_ia32.c

@@ -325,6 +325,9 @@ static arch_irn_class_t ia32_classify(const ir_node *irn) {
 	if (is_ia32_is_spill(irn))
 		classification |= arch_irn_class_spill;
 
+	if (is_ia32_is_remat(irn))
+		classification |= arch_irn_class_remat;
+
 	return classification;
 }