forgot to comitt benode for new perm_reduce semantics

[r15872]

diff --git a/ir/be/benode.c b/ir/be/benode.c
index 30be692..1040617 100644 (file)
--- a/ir/be/benode.c
+++ b/ir/be/benode.c
@@ -478,29 +478,26 @@ ir_node *be_new_Perm(const arch_register_class_t *cls, ir_graph *irg, ir_node *b
 void be_Perm_reduce(ir_node *perm, int new_size, int *map)
 {
        ir_graph *irg           = get_irn_irg(perm);
-       int n                   = get_irn_arity(perm);
-       be_reg_data_t *old_data = xmalloc(n * sizeof(old_data[0]));
+       int            arity    = get_irn_arity(perm);
+       be_reg_data_t *old_data = alloca(arity * sizeof(old_data[0]));
        be_node_attr_t *attr    = get_irn_attr(perm);
-       ir_node **new_in        = NEW_ARR_D(ir_node *, irg->obst, new_size + 1);
+       ir_node **new_in        = NEW_ARR_D(ir_node *, irg->obst, new_size);
 
        int i;
 
        assert(be_is_Perm(perm));
-       assert(new_size <= n);
+       assert(new_size <= arity);
 
        /* save the old register data */
-       memcpy(old_data, attr->reg_data, n * sizeof(old_data[0]));
+       memcpy(old_data, attr->reg_data, arity * sizeof(old_data[0]));
 
        /* compose the new in array and set the new register data directly in place */
-       for (i = 0; i < n; ++i) {
+       for (i = 0; i < new_size; ++i) {
                int idx = map[i];
-               if (idx >= 0) {
-                       new_in[idx] = get_irn_n(perm, i);
-                       attr->reg_data[idx] = old_data[i];
-               }
+               new_in[i]         = get_irn_n(perm, idx);
+               attr->reg_data[i] = old_data[idx];
        }
 
-       free(old_data);
        set_irn_in(perm, new_size, new_in);
 }