2009-08-12  Paolo Bonzini  <bonzini@gnu.org>

	* doc/tm.texi (TARGET_PROMOTE_FUNCTION_MODE): Add documentation
	for for_return == 2.
	* function.c (assign_parm_setup_reg): Use for_return == 2, improve
	comments.
	* calls.c (expand_call): Fix typo.
	* explow.c (promote_decl_mode): Use for_return == 2 for RESULT_DECL
	and PARM_DECL.
	* stmt.c (expand_value_return): Use promote_function_mode to copy out
	of pseudo.
	* targhooks.c (default_promote_function_mode): Handle for_return == 2.
	* config/cris/cris.c (cris_promote_function_mode): Likewise.
	* config/mmix/mmix.c (mmix_promote_function_mode): Likewise.
	* config/pa/pa.c (pa_promote_function_mode): Likewise.

From-SVN: r150700