1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/target.h b/gcc/target.h
index b32be83..36f2463 100644
--- a/gcc/target.h
+++ b/gcc/target.h
@@ -703,6 +703,11 @@ struct gcc_target
        target modifications).  */
     void (*adjust_class_at_definition) (tree type);
   } cxx;
+  
+  /* For targets that need to mark extra registers as live on entry to
+     the function, they should define this target hook and set their
+     bits in the bitmap passed in. */  
+  void (*live_on_entry) (bitmap); 
 
   /* True if unwinding tables should be generated by default.  */
   bool unwind_tables_default;