Add ms2 support

Add ms2 support

	Add ms2 support
	* config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
	constants.
	(call,load,store): New insn types.
	(mem_access, branch_access): Adjust reservation conditions.
	(define_delay): Adjust condition.
	(decrement_and_branch_until_zero): Allow for ms2.  Set branch
	type.
	(*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
	(*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
	insn type.
	(call_internal, call_value_internal, return_internal,
	return_interrupt_internal, eh_return_internal, indirect_jump,
	tablejump): Set call insn type.
	(blockage, ei, di): Use appropriate unspec const.
	* config/ms1/ms1.c (ms1_flag_delayed_branch): New.
	(ms1_get_attr_type): Adjust to give load & store types.
	(ms1_final_prescan_insn): Adjust for new insn types.  Don't look
	backwards past a barrier.
	(ms1_override_options): Accept ms2 arch.  Copy and reset delayed
	branch scheduling.
	(struct branch_info, struct label_info): New.
	(ms1_labels): New.
	(ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
	(ms1_machine_reorg): New.
	(TARGET_MACHINE_DEPENDENT_REORG): Override.
	* config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
	* config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
	(ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
	(TARGET_MS2): New.

From-SVN: r106680