* doc/tm.texi (TARGET_OPTION_OVERRIDE): Document.

        (OVERRIDE_OPTIONS): Add note of obsolescence.
        Replace references with references to TARGET_OPTION_OVERRIDE.
        (Except for C_COMMON_OVERRIDE_OPTIONS, which remains similar to
         the macro).
        * targhooks.c (default_target_option_override): New function.
        * targhooks.h (default_target_option_override): Declare.
        * target.h (struct gcc_target): Add override member to
        target_option emmber.
        * toplev.c (process_options): Replace OVERRIDE_OPTIONS use with
        targetm.target_option.override call.
        * target-def.h (TARGET_OPTION_OVERRIDE): Define.
        (TARGET_OPTION_HOOKS): Add TARGET_OPTION_OVERRIDE.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@161538 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 3 insertions, 0 deletions

diff --git a/gcc/target.h b/gcc/target.h
index 6ced77061cf..71b4d202a98 100644
--- a/gcc/target.h
+++ b/gcc/target.h
@@ -1264,6 +1264,9 @@ struct gcc_target
        true if the options are valid, and set the current state.  */
     bool (*pragma_parse) (tree, tree);
 
+     /* Do option overrides for the target.  */
+     void (*override) (void);
+
     /* Function to determine if one function can inline another function.  */
     bool (*can_inline_p) (tree, tree);
   } target_option;