mark verbose reporting in gvParseArgs as unlikely

This indicates to the compiler it should predict the condition of this branch as
false in its optimization choices.

diff --git a/lib/common/args.c b/lib/common/args.c
index 9ee5291c0582fe313e83749c8617468524c5fbb8..1a603fe76dee6f778229b7e442c0a497012b6641 100644 (file)
--- a/lib/common/args.c
+++ b/lib/common/args.c
@@ -17,6 +17,7 @@
  * Needs to be fixed before layout engines can be plugins.
  */
 
+#include <cgraph/likely.h>
 #include <ctype.h>
 #include <common/render.h>
 #include <fdpgen/tlayout.h>
@@ -279,7 +280,7 @@ int gvParseArgs(GVC_t *gvc, int argc, char** argv)
        return (1-argc);
     if ((rv = dotneato_args_initialize(gvc, argc, argv)))
        return rv;
-    if (Verbose)
+    if (UNLIKELY(Verbose))
        gvplugin_write_status(gvc);
     return 0;
 }