irspec: Turn the negative flag noconstructor into a positive one called constructor.

scripts/ir_spec.py

@@ -99,7 +99,7 @@ class Anchor:
 	flags            = [ "dump_noblock" ]
 	pinned           = "yes"
 	singleton        = True
-	noconstructor    = True
+	constructor      = False
 	customSerializer = True
 
 @op
@@ -163,7 +163,7 @@ class ASM:
 	]
 	# constructor is written manually at the moment, because of the clobbers+
 	# constraints arrays needing special handling (2 arguments for 1 attribute)
-	noconstructor = True
+	constructor = False
 
 @op
 class Bad:
@@ -197,7 +197,7 @@ class Deleted:
 	mode             = "mode_Bad"
 	flags            = [ ]
 	pinned           = "yes"
-	noconstructor    = True
+	constructor      = False
 	customSerializer = True # this has no serializer
 
 @op

scripts/spec_util.py

@@ -104,6 +104,7 @@ def setnodedefaults(node):
 	setdefault(node, "ins", [])
 	setdefault(node, "arity", len(node.ins))
 	setdefault(node, "attrs", [])
+	setdefault(node, "constructor", True)
 	setdefault(node, "constructor_args", [])
 	setdefault(node, "customSerializer", False)
 	setdefault(node, "block", None)

scripts/templates/gen_irnode.c

@@ -40,7 +40,7 @@ int is_{{spec.name}}_node(const ir_node *node)
 
 {% for node in nodes %}
 
-{%- if not node.noconstructor %}
+{%- if node.constructor %}
 ir_node *new_rd_{{node.name}}(
 	{%- filter parameters %}
 		dbg_info *dbgi

scripts/templates/nodes.h

@@ -60,7 +60,7 @@ typedef enum {
 	pn_{{node.name}}_max = pn_{{node.name}}_{{node.outs[-1].name}}
 } pn_{{node.name}};
 {% endif %}
-{%- if not node.noconstructor %}
+{%- if node.constructor %}
 /**
  * Construct {{node.name|a_an}} node.
  *