s390-modes.def (CCAPmode, CCANmode): New CC modes.

s390-modes.def (CCAPmode, CCANmode): New CC modes.

	* config/s390/s390-modes.def (CCAPmode, CCANmode): New CC modes.
	* config/s390/s390.c (s390_match_ccmode_set): Support new CC modes.
	(s390_select_ccmode): Likewise.
	(s390_branch_condition_mask): Likewise.
	(optimization_options): Do not set flag_branch_on_count.
	(s390_split_branches): Handle doloop branches.
	(s390_chunkify_pool): Likewise.
	* config/s390/s390.md ("*adddi3_imm_cc", "*addsi3_imm_cc"): New insns.
	("doloop_end"): New expander.
	("doolop_si", "*doloop_si_long", "doloop_di", "*doloop_di_long",
	associated splitters): New.

From-SVN: r57060