gas/

gas/
	* config/tc-ppc.c (parse_cpu): Rename altivec_or_spe to retain_flags.
	Handle -mvsx and -mpower7.
	(md_show_usage): Document -mpower7 and -mvsx.
	* doc/as.texinfo (Target PowerPC): Document -mvsx.
	* doc/c-ppc.texi (PowerPC-Opts): Document -mvsx and -mpower7.

gas/testsuite/
	* gas/ppc/power7.d: New.
	* gas/ppc/power7.s: Likewise.
	* gas/ppc/ppc.exp: Run power7 test.

include/opcode/
	* ppc.h (PPC_OPCODE_VSX, PPC_OPERAND_VSR): New.

opcodes/
	* ppc-dis.c (powerpc_init_dialect): Handle power7 and vsx options.
	(print_insn_powerpc): Prepend 'vs' when printing VSX registers.
	(print_ppc_disassembler_options): Document -Mpower7 and -Mvsx.
	* ppc-opc.c (insert_xt6): New static function.
	(extract_xt6): Likewise.
	(insert_xa6): Likewise.
	(extract_xa6: Likewise.
	(insert_xb6): Likewise.
	(extract_xb6): Likewise.
	(insert_xb6s): Likewise.
	(extract_xb6s): Likewise.
	(XS6, XT6, XA6, XB6, XB6S, DM, XX3, XX3DM, XX1_MASK, XX3_MASK,
	XX3DM_MASK, PPCVSX): New.
	(powerpc_opcodes): Add opcodes "lxvd2x", "lxvd2ux", "stxvd2x",
	"stxvd2ux", "xxmrghd", "xxmrgld", "xxpermdi", "xvmovdp", "xvcpsgndp".