add support for backend nodes without attributes

diff --git a/ir/be/scripts/generate_new_opcodes.pl b/ir/be/scripts/generate_new_opcodes.pl
index 1b0d7e8..a6fdad0 100755 (executable)
--- a/ir/be/scripts/generate_new_opcodes.pl
+++ b/ir/be/scripts/generate_new_opcodes.pl
@@ -432,9 +432,12 @@ EOF
        }
 
        # lookup init function
-       my $attr_init_code = $init_attr{$attr_type};
-       if(!defined($attr_init_code)) {
-               die "Fatal error: Couldn't find attribute initialisation code for type '${attr_type}'";
+       my $attr_init_code = "(void)in;(void)exec_units;(void)flags;(void)in_reqs;(void)n_res;";
+       if ($attr_type ne "") {
+               $attr_init_code = $init_attr{$attr_type};
+               if(!defined($attr_init_code)) {
+                       die "Fatal error: Couldn't find attribute initialisation code for type '${attr_type}'";
+               }
        }
        my $custominit = "";
        if(defined($custom_init_attr_func)) {
@@ -611,6 +614,8 @@ EOF
                push(@obst_cmp_attr, "}\n\n");
 
                $cmp_attr_func = "cmp_attr_${op}";
+       } elsif ($attr_type eq "") {
+               $cmp_attr_func = "NULL";
        } else {
                if(defined($compare_attr{${attr_type}})) {
                        $cmp_attr_func = $compare_attr{${attr_type}};
@@ -683,9 +688,14 @@ EOF
        my @mapped = map { "irop_flag_$_" } @{$n{"op_flags"}};
        my $op_flags = join('|', @mapped);
 
+       my $attr_size = "0";
+       if ($attr_type ne "") {
+               $attr_size = "sizeof(${attr_type})"
+       }
+
        $n_opcodes++;
        $temp  = "\top_$op = new_ir_op(cur_opcode + iro_$op, \"$op\", op_pin_state_".$n{"state"}.", $op_flags";
-       $temp .= "|irop_flag_machine, ".translate_arity($arity).", 0, sizeof(${attr_type}), &ops);\n";
+       $temp .= "|irop_flag_machine, ".translate_arity($arity).", 0, ${attr_size}, &ops);\n";
        push(@obst_new_irop, $temp);
        push(@obst_new_irop, "\tset_op_tag(op_$op, $arch\_op_tag);\n");
        if(defined($default_op_attr_type)) {