* archures.c,bfd-in2.h (bfd_mach_mips4121): New.
	* cpu-mips.c: Added vr4121.
	* elf32-mips.c (elf_mips_mach): Same.
	(_bfd_mips_elf_final_write_processing): Same.

for gas:
	* config/tc-mips.c (mips_4121): New.
	(md_begin,mips_ip,md_longopts,md_parse_option): Add vr4121.

for gcc:
	* config/mips/mips.c (override_options): Add vr4121.
	* config/mips/t-vr4xxx (MULTILIB_MATCHES): Same.

for include/elf:
	* mips.h (E_MIPS_MACH_4121): New.

for include/opcode:
	* mips.h (INSN_4121): New.

for opcodes:
	* mips-dis.c (set_mips_isa_type): Add bfd_mach_mips4121.
	(_print_insn_mips): Same.
	* mips-opc.c: Add vr4121.

for sim/mips:
	* configure.in,mips.igen,vr.igen: Add vr4121.
	* configure: Rebuilt.