opcodes/
	* ppc-dis.c (powerpc_init_dialect): Set default dialect to power8.
	* ppc-opc.c (BHRBE, ST, SIX, PS, SXL, VXPS_MASK, XX1RB_MASK,
	XLS_MASK, PPCVSX2): New defines.
	(powerpc_opcodes) <bcdadd., bcdsub., bctar, bctar, bctarl, clrbhrb,
	fmrgew, fmrgow, lqarx, lxsiwax, lxsiwzx, lxsspx, mfbhrbe,
	mffprd, mffprwz, mfvrd, mfvrwz, mfvsrd, mfvsrwz, msgclrp, msgsndp,
	mtfprd, mtfprwa, mtfprwz, mtsle, mtvrd, mtvrwa, mtvrwz, mtvsrd,
	mtvsrwa, mtvsrwz, pbt., rfebb, stqcx., stxsiwx, stxsspx,
	vaddcuq, vaddecuq, vaddeuqm, vaddudm, vadduqm, vbpermq, vcipher,
	vcipherlast, vclzb, vclzd, vclzh, vclzw, vcmpequd, vcmpequd.,
	vcmpgtsd, vcmpgtsd., vcmpgtud, vcmpgtud., veqv, vgbbd, vmaxsd,
	vmaxud, vminsd, vminud, vmrgew, vmrgow, vmulesw, vmuleuw, vmulosw,
	vmulouw, vmuluwm, vnand, vncipher, vncipherlast, vorc, vpermxor,
	vpksdss, vpksdus, vpkudum, vpkudus, vpmsumb, vpmsumd, vpmsumh,
	vpmsumw, vpopcntb, vpopcntd, vpopcnth, vpopcntw, vrld, vsbox,
	vshasigmad, vshasigmaw, vsld, vsrad, vsrd, vsubcuq, vsubecuq,
	vsubeuqm, vsubudm, vsubuqm, vupkhsw, vupklsw, waitasec, xsaddsp,
	xscvdpspn, xscvspdpn, xscvsxdsp, xscvuxdsp, xsdivsp, xsmaddasp,
	xsmaddmsp, xsmsubasp, xsmsubmsp, xsmulsp, xsnmaddasp, xsnmaddmsp,
	xsnmsubasp, xsnmsubmsp, xsresp, xsrsp, xsrsqrtesp, xssqrtsp,
	xssubsp, xxleqv, xxlnand, xxlorc>: New instructions.
	<lxvx, stxvx>: New extended mnemonics.

gas/
	* config/tc-ppc.c (ppc_setup_opcodes): Use new_seg to fix error
	and clean up warning when using PRINT_OPCODE_TABLE.

gas/testsuite/
	* gas/ppc/altivec2.d <bcdadd., bcdadd., vaddcuq, vaddecuq, vaddeuqm,
	vaddudm, vadduqm, vbpermq, vcipher, vcipherlast, vclzb, vclzd, vclzh,
	vclzw, vcmpequd, vcmpequd., vcmpgtsd, vcmpgtsd., vcmpgtud, vcmpgtud.,
	veqv, vgbbd, vmaxsd, vmaxud, vminsd, vminud, vmrgew, vmrgow, vmulesw,
	vmuleuw, vmulosw, vmulouw, vmuluwm, vnand, vncipher, vncipherlast,
	vorc, vpermxor, vpksdss, vpksdus, vpkudum, vpkudus, vpmsumb, vpmsumd,
	vpmsumh, vpmsumw, vpopcntb, vpopcntd, vpopcnth, vpopcntw, vrld, vsbox,
	vshasigmad, vshasigmaw, vsld, vsrad, vsrd, vsubcuq, vsubecuq, vsubeuqm,
	vsubudm, vsubuqm, vupkhsw, vupklsw>: Add new tests.
	* gas/ppc/altivec2.s: Likewise.
	* gas/ppc/power8.d <bcdadd., bcdsub., bctar, bctarl, clrbhrb, fmrgew,
	fmrgow, lqarx, lxsiwax, lxsiwzx, lxsspx, mfbhrbe, mfvsrd, mfvsrwz,
	msgclrp, msgsndp, mtsle, mtvsrd, mtvsrwa, mtvsrwz, pbt., rfebb,
	stqcx., stxsiwx, stxsspx, vaddcuq, vaddecuq, vaddeuqm, vaddudm,
	vadduqm, vbpermq, vcipher, vcipherlast, vclzb, vclzd, vclzh, vclzw,
	vcmpequd, vcmpequd., vcmpgtsd, vcmpgtsd., vcmpgtud, vcmpgtud., veqv,
	vgbbd, vmaxsd, vmaxud, vminsd, vminud, vmrgow, vmulesw, vmuleuw,
	vmulosw, vmulouw, vmuluwm, vnand, vncipher, vncipherlast, vorc,
	vpermxor, vpksdss, vpksdus, vpkudum, vpkudus, vpmsumb, vpmsumd,
	vpmsumh, vpmsumw, vpopcntb, vpopcntd, vpopcnth, vpopcntw, vrld, vsbox,
	vshasigmad, vshasigmaw, vsld, vsrad, vsrd, vsubcuq, vsubecuq, vsubeuqm,
	vsubuqm, vupkhsw, vupklsw, waitasec, xsaddsp, xscvdpspn, xscvspdpn,
	xscvsxdsp, xscvuxdsp, xsdivsp, xsmaddasp, xsmaddmsp, xsmsubasp,
	xsmsubmsp, xsmulsp, xsnmaddasp, xsnmaddmsp, xsnmsubasp, xsnmsubmsp,
	xsresp, xsrsp, xsrsqrtesp, xssqrtsp, xssubsp, xxleqv, xxlnand,
	xxlorc>: Add new tests.
	* gas/ppc/power8.s Likewise.
	* gas/ppc/vsx.d <lxvd2x, stxvd2x>: Add new tests.
	* gas/ppc/vsx.s Likewise.
	* gas/ppc/vsx2.d: New test file.
	* gas/ppc/vsx2.s: Likewise.
	* gas/ppc/ppc.exp: Run it.