* params.c: Include common/common-target.h.  Don't include tm.h.
	(lang_independent_params): Move from toplev.c.
	(global_init_params): New.
	* params.h (global_init_params): Declare.
	* target.def (default_params): Move to common-target.def.
	* toplev.c (lang_independent_options): Remove.
	(lang_independent_params): Move to params.c.
	(general_init): Use global_init_params.
	* common/common-target.def (option_default_params): Move from
	target.def.
	* common/config/ia64/ia64-common.c: Include params.h.
	(ia64_option_default_params, TARGET_OPTION_DEFAULT_PARAMS): Move
	from ia64.c.
	* common/config/rs6000/rs6000-common.c: Include params.h.
	(rs6000_option_default_params, TARGET_OPTION_DEFAULT_PARAMS): Move
	from rs6000.c.
	* common/config/sh/sh-common.c: Include params.h.
	(sh_option_default_params, TARGET_OPTION_DEFAULT_PARAMS): Move
	from sh.c.
	* common/config/spu/spu-common.c: Include params.h.
	(spu_option_default_params, TARGET_OPTION_DEFAULT_PARAMS): Move
	from spu.c.
	* config/ia64/ia64.c (ia64_option_default_params,
	TARGET_OPTION_DEFAULT_PARAMS): Move to ia64-common.c.
	* config/rs6000/rs6000.c (rs6000_option_default_params,
	TARGET_OPTION_DEFAULT_PARAMS): Move to rs6000-common.c.
	* config/sh/sh.c (sh_option_default_params,
	TARGET_OPTION_DEFAULT_PARAMS): Move to sh-common.c.
	* config/spu/spu.c (spu_option_default_params,
	TARGET_OPTION_DEFAULT_PARAMS): Move to spu-common.c.
	* Makefile.in (OBJS): Remove params.o.
	(OBJS-libcommon-target): Add params.o.
	(params.o, $(common_out_object_file)): Update dependencies.
	* doc/tm.texi: Regenerate.

From-SVN: r175330