gcc/
	* Makefile.in (gcse.o, target-globals.o): Depend on gcse.h..
	* gcse.h: New file.
	* gcse.c: Include gcse.h.
	(default_target_gcse): New variable.
	(this_target_gcse): New conditional variable.
	(can_copy): Redefine as a macro.
	(can_copy_init_p): New macro.
	(can_copy_p): Remove can_copy_init_p.
	* target-globals.h (this_target_gcse): Declare.
	(target_globals): Add a gcse field.
	(restore_target_globals): Copy the gcse field to
	this_target_gcse.
	* target-globals.c: Include gcse.h.
	(default_target_globals): Initialize the gcse field.
	(save_target_globals): Likewise.

From-SVN: r162108