* mips-tdep.c (mips_processor_type, tmp_mips_processor_type,
mips_generic_reg_names, mips_r3041_reg_names,
mips_r3051_reg_names, mips_r3081_reg_names,
mips_processor_type_table): New globals.
(mips_do_registers_info): Don't display register if name is empty.
(mips_set_processor_type_command): New command.
(mips_show_processor_type_command): New command.
(mips_set_processor_type): New function.
(mips_read_processor_type): New function.
* config/mips/tm-idt.h (DEFAULT_MIPS_TYPE): New macro.
* config/mips/tm-mips.h (DEFAULT_MIPS_TYPE): New macro.
(NUM_REGS): Increase to account for all CP0 registers.
(REGISTER_NAMES): Add empty names for CP0 registers.
(FIRST_EMBED_REGNUM, LAST_EMBED_REGNUM): Adjust.
(PRID_REGNUM): New macro.
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