Add AMD btver1 and btver2 support

Add AMD btver1 and btver2 support

gas/

2012-08-17  Nagajyothi Eggone  <nagajyothi.eggone@amd.com>

	* config/tc-i386.c (cpu_arch): Add CPU_BTVER1_FLAGS and
	CPU_BTVER2_FLAGS.
	(i386_align_code): Add case for PROCESSOR_BT.

	* config/tc-i386.h (enum processor_type): Add PROCESSOR_BT.

	* doc/c-i386.texi: Add -march={btver1, btver2} options.

gas/testsuite/

2012-08-17  Nagajyothi Eggone  <nagajyothi.eggone@amd.com>

	* gas/i386/i386.exp: Run btver1 and btver2 test cases.

	* gas/i386/nops-1-btver1.d: New.
	* gas/i386/nops-1-btver2.d: New.
	* gas/i386/arch-10-btver1.d: New.
	* gas/i386/arch-10-btver2.d: New.
	* gas/i386/x86-64-nops-1-btver1.d: New.
	* gas/i386/x86-64-nops-1-btver2.d: New.
	* gas/i386/x86-64-arch-2-btver1.d: New.
	* gas/i386/x86-64-arch-2-btver2.d: New.

opcodes/

2012-08-17  Nagajyothi Eggone  <nagajyothi.eggone@amd.com>

	* i386-gen.c (cpu_flag_init): Add CPU_BTVER1_FLAGS and
	CPU_BTVER2_FLAGS.

	* i386-opc.h: Update CpuPRFCHW comment.

	* i386-opc.tbl: Enable prefetch instruction for CpuPRFCHW.
	* i386-init.h: Regenerated.
	* i386-tbl.h: Likewise.