* config/rs6000/rs6000.c (rs6000_always_hint): New variable.
	(rs6000_sched_groups): New variable.
	(processor_target_table): Add power5.
	(rs6000_override_options): Set rs6000_sched_insert_nops,
	rs6000_sched_costly_dep and rs6000_sched_restricted_insns_priority
	from rs6000_sched_groups.
	(output_cbranch): Use rs6000_always_hint.
	(rs6000_variable_issue): Use rs6000_sched_groups.
	(rs6000_adjust_cost): Add CPU_POWER5.
	(is_microcoded_insn): Use rs6000_sched_groups.
	(is_dispatch_slot_restricted): Use rs6000_sched_groups.
	Return 2 for POWER5 cracked instructions.
	(is_cracked_insn): Use rs6000_sched_groups.
	(is_branch_slot_insn): Use rs6000_sched_groups.
	(rs6000_issue_rate): Add CPU_POWER5.
	(rs6000_sched_finish): Use rs6000_sched_groups.
	(rs6000_rtx_costs): Add PROCESSOR_POWER5.
	* config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER5.
	(DEFAULT_SCHED_COSTLY_DEP): Delete.
	(DEFAULT_RESTRICTED_INSNS_PRIORITY): Delete.
	(DEFAULT_SCHED_FINISH_NOP_INSERTION_SCHEME): Delete.
	* config/rs6000/rs6000.md (define_attr "cpu"): Add power5.
	* config/rs6000/power5.md: New file.
	* doc/invoke.texi: Add power5 option.

From-SVN: r79958