MIPS: Add Octeon 3 support

MIPS: Add Octeon 3 support

binutils:
2014-10-31  Andrew Pinski  <apinski@cavium.com>
            Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

	* readelf.c (print_mips_isa_ext): Print the value of Octeon3.

gas:
2014-10-31  Andrew Pinski  <apinski@cavium.com>
            Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

	* config/tc-mips.c (CPU_IS_OCTEON): Handle CPU_OCTEON3.
	(mips_cpu_info_table): Octeon3 enables virt ase.
	* doc/c-mips.texi: Document octeon3 as an acceptable value for
	-march=.

gas/testsuite:
2014-10-31  Andrew Pinski  <apinski@cavium.com>
            Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

	* gas/mips/mips.exp: Add support for Octeon3 architecture.
	Also add in support for running Octeon3 tests.
	* gas/mips/octeon3.d: New test.
	* gas/mips/octeon3.s: New test source.

opcodes:
2014-10-31  Andrew Pinski  <apinski@cavium.com>
            Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

	* mips-dis.c (mips_arch_choices): Add octeon3.
	* mips-opc.c (IOCT): Include INSN_OCTEON3.
	(IOCT2): Likewise.
	(IOCT3): New define.
	(IVIRT): New define.
	(mips_builtin_opcodes): Add dmfgc0, dmtgc0, hypcall, mfgc0, mtgc0,
	tlbinv, tlbinvf, tlbgr, tlbgwi, tlbginv, tlbginvf, tlbgwr, tlbgp, tlti
	IVIRT instructions.
	Extend mtm0, mtm1, mtm2, mtp0, mtp1, mtp2 instructions to take another
	operand for IOCT3.

bfd:
2014-10-31  Andrew Pinski  <apinski@cavium.com>
            Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

	* archures.c: Add octeon3 for mips target.
	* bfd-in2.h: Regenerate.
	* bfd/cpu-mips.c: Define I_mipsocteon3.
	nfo_struct): Add octeon3 support.
	* bfd/elfxx-mips.c: (_bfd_elf_mips_mach): Add support for
	octeon3.
	(mips_set_isa_flags): Add support for octeon3.
	(bfd_mips_isa_ext): Add bfd_mach_mips_octeon3.
	(mips_mach_extensions): Make bfd_mach_mips_octeon3 an
	extension of bfd_mach_mips_octeon2.
	(print_mips_isa_ext): Print the value of Octeon3.