[match-and-simplify] add default arguments to parser::parse_simplify.

[Prathamesh Kulkarni]

Committed (r218996) as obvious.

Thanks,
Prathamesh

2014-12-21  Prathamesh Kulkarni  <prathamesh.kulka...@linaro.org>
        * genmatch.c (parser::parse_simplify): Make last two parametes have 
default value 0.
        (parser::parse_pattern): Adjust call to parser::parse_simplify to avoid 
passing default arguments.

Index: gcc/genmatch.c
===================================================================
--- gcc/genmatch.c      (revision 218995)
+++ gcc/genmatch.c      (working copy)
@@ -2727,8 +2727,8 @@
   void parse_pattern ();
   void push_simplify (vec<simplify *>&, operand *, source_location,
                      operand *, source_location);
-  void parse_simplify (source_location, vec<simplify *>&, predicate_id *,
-                      expr *);
+  void parse_simplify (source_location, vec<simplify *>&, predicate_id * = 0,
+                      expr * = 0);
   void parse_for (source_location);
   void parse_if (source_location);
   void parse_predicates (source_location);
@@ -3494,7 +3494,7 @@
   const cpp_token *token = peek ();
   const char *id = get_ident ();
   if (strcmp (id, "simplify") == 0)
-    parse_simplify (token->src_loc, simplifiers, NULL, NULL);
+    parse_simplify (token->src_loc, simplifiers); 
   else if (strcmp (id, "match") == 0)
     {
       bool with_args = false;