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, 27 insertions, 2 deletions

diff --git a/gcc/c.opt b/gcc/c.opt
index 4467df3..976f6e9 100644
--- a/gcc/c.opt
+++ b/gcc/c.opt
@@ -120,6 +120,10 @@ Wall
 C ObjC C++ ObjC++
 Enable most warning messages
 
+Wassign-intercept
+ObjC ObjC++ Var(warn_assign_intercept)
+Warn whenever an Objective-C assignment is being intercepted by the garbage collector
+
 Wbad-function-cast
 C ObjC Var(warn_bad_function_cast)
 Warn about casting functions to incompatible types
@@ -362,6 +366,10 @@ Wstrict-prototypes
 C ObjC Var(warn_strict_prototypes)
 Warn about unprototyped function declarations
 
+Wstrict-selector-match
+ObjC ObjC++ Var(warn_strict_selector_match)
+Warn if type signatures of candidate methods do not match exactly
+
 Wsynth
 C++ ObjC++ Var(warn_synth)
 Warn when synthesis behavior differs from Cfront
@@ -564,12 +572,29 @@ C++ ObjC++
 fnonnull-objects
 C++ ObjC++
 
+; Generate special '- .cxx_construct' and '- .cxx_destruct' methods
+; to initialize any non-POD ivars in Objective-C++ classes.
+fobjc-call-cxx-cdtors
+ObjC++ Var(flag_objc_call_cxx_cdtors)
+Generate special Objective-C methods to initialize/destroy non-POD C++ ivars, if needed
+
+fobjc-direct-dispatch
+ObjC ObjC++ Var(flag_objc_direct_dispatch)
+Allow fast jumps to the message dispatcher
+
+; Nonzero means that we will allow new ObjC exception syntax (@throw,
+; @try, etc.) in source code.
 fobjc-exceptions
-ObjC ObjC++
+ObjC ObjC++ Var(flag_objc_exceptions)
 Enable Objective-C exception and synchronization syntax
 
+fobjc-gc
+ObjC ObjC++ Var(flag_objc_gc)
+Enable garbage collection (GC) in Objective-C/Objective-C++ programs
+
+; Nonzero means that we generate NeXT setjmp based exceptions.
 fobjc-sjlj-exceptions
-ObjC ObjC++
+ObjC ObjC++ Var(flag_objc_sjlj_exceptions) Init(-1)
 Enable Objective-C setjmp exception handling runtime
 
 foperator-names