function.c (diddle_return_value): Rework to use a callback function.

        * function.c (diddle_return_value): Rework to use a callback function.
        Use current_function_return_rtx if it's been set up.
        (do_clobber_return_reg, clobber_return_register): New.
        (do_use_return_reg, use_return_register): New.
        (expand_function_end): Use them.
        * stmt.c (expand_null_return): Likewise.
        * function.h: Declare them.
        * flow.c (mark_regs_live_at_end): Use diddle_return_value.
        (mark_reg): Change arguments as appropriate for callback.
        * integrate.c (expand_inline_function): Revert 19 Jan change.

From-SVN: r31791

1 files changed, 1 insertions, 3 deletions

diff --git a/gcc/stmt.c b/gcc/stmt.c
index 8650953..8c76b3b 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -2676,11 +2676,9 @@ expand_null_return ()
   /* If this function was declared to return a value, but we 
      didn't, clobber the return registers so that they are not
      propogated live to the rest of the function.  */
-
-  diddle_return_value (CLOBBER);
+  clobber_return_register ();
 
   /* Does any pending block have cleanups?  */
-
   while (block && block->data.block.cleanups == 0)
     block = block->next;