Simplify code generator and generated code using C99.

diff --git a/scripts/gen_ir.py b/scripts/gen_ir.py
index dedb42c..32232e5 100755 (executable)
--- a/scripts/gen_ir.py
+++ b/scripts/gen_ir.py
@@ -278,14 +278,10 @@ ir_node *new_rd_{{node.name}}(
                {{node|nodeparameters}}
        {% endfilter %})
 {
-       ir_node *res;
-       {%- if node.arity == "dynamic" %}
-       int      i;
-       {%- endif %}
        {{node|irgassign}}
        {{node|insdecl}}
 
-       res = new_ir_node(
+       ir_node *res = new_ir_node(
                {%- filter arguments %}
                        dbgi
                        irg
@@ -295,7 +291,7 @@ ir_node *new_rd_{{node.name}}(
                        {{node|arity_and_ins}}
                {% endfilter %});
        {%- if node.arity == "dynamic" %}
-       for (i = 0; i < arity; ++i) {
+       for (int i = 0; i < arity; ++i) {
                add_irn_n(res, in[i]);
        }
        {%- endif %}
@@ -335,9 +331,8 @@ ir_node *new_d_{{node.name}}(
                        {{node|nodeparameters}}
                {% endfilter %})
 {
-       ir_node *res;
        assert(irg_is_constrained(current_ir_graph, IR_GRAPH_CONSTRAINT_CONSTRUCTION));
-       res = new_rd_{{node.name}}(
+       ir_node *res = new_rd_{{node.name}}(
                {%- filter parameters %}
                        dbgi
                        {{node|curblock}}