go-lang.c: remove a redundant cast

gcc/go/ChangeLog:
	* go-lang.c (go_langhook_type_for_mode): Remove redundant cast
	from result of GET_MODE_CLASS.  Minor formatting fixes.

From-SVN: r241514

gcc/go/ChangeLog

+2016-10-25  David Malcolm  <dmalcolm@redhat.com>
+
+	* go-lang.c (go_langhook_type_for_mode): Remove redundant cast
+	from result of GET_MODE_CLASS.  Minor formatting fixes.
+
 2016-10-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 
 	* go-backend.c: Include memmodel.h.

gcc/go/go-lang.c

@@ -373,10 +373,9 @@ go_langhook_type_for_mode (machine_mode mode, int unsignedp)
       return NULL_TREE;
     }
 
-  // FIXME: This static_cast should be in machmode.h.
-  enum mode_class mc = static_cast<enum mode_class>(GET_MODE_CLASS(mode));
+  enum mode_class mc = GET_MODE_CLASS (mode);
   if (mc == MODE_INT)
-    return go_langhook_type_for_size(GET_MODE_BITSIZE(mode), unsignedp);
+    return go_langhook_type_for_size (GET_MODE_BITSIZE (mode), unsignedp);
   else if (mc == MODE_FLOAT)
     {
       switch (GET_MODE_BITSIZE (mode))