Yet more Objective-C++...

        * c-common.h (objc_finish_try_stmt): Add.
        (objc_build_synchronized): Add.
        (objc_generate_write_barrier): Add.
        * stub-objc.c (objc_build_synchronized): Add return value.
        (objc_finish_try_stmt): Likewise.
        (objc_generate_write_barrier): Add.

        * c-common.h (objc_rewrite_function_call): Add.
        * c-typeck.c (build_function_call): Allow objc to rewrite
        FUNCTION_DECLs.
        (build_modify_expr): Allow objc to generate write barriers.
        * c.opt (Wassign-intercept): Add.
        (Wstrict-selector-match): Add.
        (fobjc-call-cxx-cdtors): Add.
        (fobjc-direct-dispatch): Add.
        (fobjc-gc): Add.
        * dbxout.c (get_lang_number): Add Objective-C++ support.
        * doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
        (-Wstrict-selector-match): Likewise.
        (-fobjc-direct-dispatch): Likewise.
        (-Wassign-intercept): Likewise.
        (Overall Options): Likewise.
        * gengtype.c (get_output_file_with_visibility): Likewise.
        * stub-objc.c (objc_rewrite_function_call): Add.
        * config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.

        * c-common.c (flag_objc_exceptions): Remove.
        (flag_objc_sjlj_exceptions): Remove.
        * c-decl.c (objc_mark_locals_volatile): Don't change decls
        that are already ok.
        * c-opts.c (c_common_handle_option, case
        OPT_fobjc_exceptions): Remove.
        (case OPT_fobjc_sjlj_exceptions): Remove
        * c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
        (fobjc-exceptions): Likewise.
        (fobjc-sjlj-exceptions): Likewise.
        * config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
        (OFFS_ASSIGNIVAR_FAST): Add.

From-SVN: r99858

1 files changed, 12 insertions, 0 deletions

diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c
index 04fa745..e8b2b37 100644
--- a/gcc/c-typeck.c
+++ b/gcc/c-typeck.c
@@ -2023,6 +2023,10 @@ build_function_call (tree function, tree params)
   else
     function = default_conversion (function);
 
+  /* For Objective-C, convert any calls via a cast to OBJC_TYPE_REF
+     expressions, like those used for ObjC messenger dispatches.  */
+  function = objc_rewrite_function_call (function, params);
+
   fntype = TREE_TYPE (function);
 
   if (TREE_CODE (fntype) == ERROR_MARK)
@@ -3485,6 +3489,14 @@ build_modify_expr (tree lhs, enum tree_code modifycode, tree rhs)
   if (TREE_CODE (newrhs) == ERROR_MARK)
     return error_mark_node;
 
+  /* Emit ObjC write barrier, if necessary.  */
+  if (c_dialect_objc () && flag_objc_gc)
+    {
+      result = objc_generate_write_barrier (lhs, modifycode, newrhs);
+      if (result)
+	return result;
+    }
+
   /* Scan operands.  */
 
   result = build2 (MODIFY_EXPR, lhstype, lhs, newrhs);