# comment => "any comment for constructor", # optional
# reg_req => { in => [ "reg_class|register" ], out => [ "reg_class|register|in_rX" ] },
# cmp_attr => "c source code for comparing node attributes", # optional
-# outs => { "out1", "out2" } # optional, creates pn_op_out1, ... consts
-# ins => { "in1", "in2" } # optional, creates n_op_in1, ... consts
-# mode => "mode_Iu" # optional, predefines the mode
+# outs => { "out1", "out2" },# optional, creates pn_op_out1, ... consts
+# ins => { "in1", "in2" }, # optional, creates n_op_in1, ... consts
+# mode => "mode_Iu", # optional, predefines the mode
# emit => "emit code with templates", # optional for virtual nodes
-# rd_constructor => "c source code which constructs an ir_node" # optional
+# attr => "attitional attribute arguments for constructor", # optional
+# init_attr => "emit attribute initialization template", # optional
+# rd_constructor => "c source code which constructs an ir_node", # optional
+# hash_func => "name of the hash function for this operation", # optional, get the default hash function else
+# latency => "latency of this operation (can be float)" # optional
+# attr_type => "name of the attribute struct", # optional
# },
#
# ... # (all nodes you need to describe)