* common.opt (in_lto_p): New Variable entry.

	* flags.h (in_lto_p): Move to common.opt.
	* gcc.c: Include params.h.
	(set_option_handlers): Also use common_handle_option and
	target_handle_option.
	(main): Call global_init_params, finish_params and
	init_options_struct.
	* opts.c (debug_type_names): Move from toplev.c.
	(print_filtered_help): Access quiet_flag through opts pointer.
	(common_handle_option): Return early in the driver for some
	options.  Access in_lto_p, dwarf_version and
	warn_maybe_uninitialized through opts pointer.
	* toplev.c (in_lto_p): Move to common.opt.
	(debug_type_names): Move to opts.c.
	* Makefile.in (OBJS): Remove opts.o.
	(OBJS-libcommon-target): Add opts.o.
	(gcc.o): Update dependencies.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@175591 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 7 insertions, 0 deletions

diff --git a/gcc/common.opt b/gcc/common.opt
index d1f286f164e..f1279369906 100644
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -37,6 +37,13 @@ int optimize_size
 Variable
 int optimize_fast
 
+; True if this is the lto front end.  This is used to disable gimple
+; generation and lowering passes that are normally run on the output
+; of a front end.  These passes must be bypassed for lto since they
+; have already been done before the gimple was written.
+Variable
+bool in_lto_p = false
+
 ; 0 means straightforward implementation of complex divide acceptable.
 ; 1 means wide ranges of inputs must work for complex divide.
 ; 2 means C99-like requirements for complex multiply and divide.