var plan9Shift = []string{"<<", ">>", "->", "@>", "@x>"}

func plan9Arg(inst *Inst, pc uint64, symname func(uint64) (string, uint64), arg Arg) string {
	switch a := arg.(type) {
	case Endian:

	case Imm:
		return fmt.Sprintf("$%d", uint32(a))

	case Mem:

	case PCRel:
		addr := uint32(pc) + 8 + uint32(a)
		if s, base := symname(uint64(addr)); s != "" && uint64(addr) == base {

		o1 |= ((uint32(p.Scond) & C_SCOND) ^ C_SCOND_XOR) << 28

	case 80: /* fmov zfcon,freg */
		if p.As == AMOVD {
			o1 = 0xeeb00b00 // VMOV imm 64
			o2 = c.oprrr(p, ASUBD, int(p.Scond))
		} else {
			o1 = 0x0eb00a00 // VMOV imm 32
			o2 = c.oprrr(p, ASUBF, int(p.Scond))
		}

		v := int32(0x70) // 1.0
		r := (int(p.To.Reg) & 15) << 0

		// movf $1.0, r

		plt.SetUint32(ctxt.Arch, plt.Size()-4, 0x90000010)

		// <imm> is the offset value of &got[2] to &got[0], the same below
		// ldr     x17, [x16, <imm>]
		plt.AddSymRef(ctxt.Arch, gotplt.Sym(), 16, objabi.R_ARM64_GOT, 4)
		plt.SetUint32(ctxt.Arch, plt.Size()-4, 0xf9400211)

		// add     x16, x16, <imm>
		plt.AddSymRef(ctxt.Arch, gotplt.Sym(), 16, objabi.R_ARM64_PCREL, 4)

// ikano : 2015-07-09 Ikano S.A.
ikano

// imamat : 2015-08-06 Fondation Aga Khan (Aga Khan Foundation)
imamat

// imdb : 2015-06-25 Amazon Registry Services, Inc.
imdb

// immo : 2014-07-10 Binky Moon, LLC
immo

// immobilien : 2013-11-07 Dog Beach, LLC
immobilien

// inc : 2018-03-10 Intercap Registry Inc.
inc

// industries : 2013-12-05 Binky Moon, LLC
industries

iki.fi iki.nagasaki.jp ikoma.nara.jp ikusaka.nagano.jp il il.eu.org il.us ilawa.pl iliadboxos.it illustration.museum ilovecollege.info im im.it imabari.ehime.jp imageandsound.museum imakane.hokkaido.jp imamat imari.saga.jp imb.br imdb imizu.toyama.jp immo immobilien imperia.it impertrix.com impertrixcdn.com in in-addr.arpa in-berlin.de in-brb.de in-butter.de in-dsl.de in-dsl.net in-dsl.org in-the-band.net in-vpn.de in-vpn.net in-vpn.org in.eu.org in.na in.net in.ni in.rs in.th in.ua in.us ina.ibaraki.jp...

		[6]*argField{ap_VecSReg_63_63_38_42, ap_VecSReg_61_61_43_47, ap_VecSReg_62_62_48_52, ap_VecSReg_60_60_53_57, ap_ImmUnsigned_24_31}},
	{XXGENPCVBM, 0xfc0007fe00000000, 0xf000072800000000, 0x0, // VSX Vector Generate PCV from Byte Mask X-form (xxgenpcvbm XT,VRB,IMM)
		[6]*argField{ap_VecSReg_31_31_6_10, ap_VecReg_16_20, ap_ImmUnsigned_11_15}},