avoid warnings in autoenerated code

[r14558]

diff --git a/ir/be/scripts/generate_new_opcodes.pl b/ir/be/scripts/generate_new_opcodes.pl
index cb7d180..1696c71 100755 (executable)
--- a/ir/be/scripts/generate_new_opcodes.pl
+++ b/ir/be/scripts/generate_new_opcodes.pl
@@ -215,9 +215,13 @@ foreach my $op (keys(%nodes)) {
                push(@obst_cmp_attr, "static int cmp_attr_$op(ir_node *a, ir_node *b) {\n");
                if($cmpcode =~ m/attr_a/) {
                        push(@obst_cmp_attr, "\t${attr_type} *attr_a = get_irn_generic_attr(a);\n");
+               } else {
+                       push(@obst_cmp_attr, "\t(void) a;\n");
                }
                if($cmpcode =~ m/attr_b/) {
                        push(@obst_cmp_attr, "\t${attr_type} *attr_b = get_irn_generic_attr(b);\n");
+               } else {
+                       push(@obst_cmp_attr, "\t(void) b;\n");
                }
                push(@obst_cmp_attr, "\t${cmpcode}\n");
                push(@obst_cmp_attr, "}\n\n");