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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
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