{name: "CMPLconst", argLength: 1, reg: gp1flags, asm: "CMPL", typ: "Flags", aux: "Int32"},
		{name: "CMPWconst", argLength: 1, reg: gp1flags, asm: "CMPW", typ: "Flags", aux: "Int16"},
		{name: "CMPBconst", argLength: 1, reg: gp1flags, asm: "CMPB", typ: "Flags", aux: "Int8"},

		// CMPxload: compare *(arg0+auxint+aux) to arg1 (in that order). arg2=mem.

		{name: "EXTSWSLconst", argLength: 1, reg: gp11, asm: "EXTSWSLI", aux: "Int64"},

		{name: "RLWINM", argLength: 1, reg: gp11, asm: "RLWNM", aux: "Int64"},                           // Rotate and mask by immediate "rlwinm". encodePPC64RotateMask describes aux

	if v.InCache {
		aux := v.AuxInt
		if f.unCacheLine(v, aux) {
			return
		}
		if aux == 0 {
			switch v.Op {
			case OpConstNil:
				aux = constNilMagic
			case OpConstSlice:
				aux = constSliceMagic
			case OpConstString:
				aux = constEmptyStringMagic
			case OpConstInterface:
				aux = constInterfaceMagic
			}
			if aux != 0 && f.unCacheLine(v, aux) {
				return

		sym1 := auxToSym(v.Aux)
		val := v_0
		if v_1.Op != OpAMD64LEAQ {
			break
		}
		off2 := auxIntToInt32(v_1.AuxInt)
		sym2 := auxToSym(v_1.Aux)
		base := v_1.Args[0]
		mem := v_2
		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
			break
		}
		v.reset(OpAMD64ADDLload)
		v.AuxInt = int32ToAuxInt(off1 + off2)
		v.Aux = symToAux(mergeSym(sym1, sym2))

		{name: "MOVHUload", argLength: 2, reg: gpload, aux: "SymOff", asm: "MOVHU", typ: "UInt16", faultOnNilArg0: true, symEffect: "Read"},   // load from arg0 + auxInt + aux.  arg1=mem.

		{name: "MOVHload", argLength: 2, reg: gpload, aux: "SymOff", asm: "MOVH", typ: "Int16", faultOnNilArg0: true, symEffect: "Read"},    // load from arg0 + auxInt + aux.  arg1=mem.
		{name: "MOVHUload", argLength: 2, reg: gpload, aux: "SymOff", asm: "MOVHU", typ: "UInt16", faultOnNilArg0: true, symEffect: "Read"}, // load from arg0 + auxInt + aux.  arg1=mem.

	{name: "Rsh16Ux16", argLength: 2, aux: "Bool"},
	{name: "Rsh16Ux32", argLength: 2, aux: "Bool"},
	{name: "Rsh16Ux64", argLength: 2, aux: "Bool"},
	{name: "Rsh32Ux8", argLength: 2, aux: "Bool"},
	{name: "Rsh32Ux16", argLength: 2, aux: "Bool"},
	{name: "Rsh32Ux32", argLength: 2, aux: "Bool"},
	{name: "Rsh32Ux64", argLength: 2, aux: "Bool"},
	{name: "Rsh64Ux8", argLength: 2, aux: "Bool"},
	{name: "Rsh64Ux16", argLength: 2, aux: "Bool"},

				}
			} else {
				if a == nil {
					aux := container.Aux
					auxInt := container.AuxInt + rc.storeOffset
					a = container.Block.NewValue0IA(container.Pos, OpArg, at, auxInt, aux)
				} else {
					// do nothing, the original should be okay.
				}
				x.commonArgs[key] = a
			}
		}
	} else if container.Op == OpSelectN {
		call := container.Args[0]
		aux := call.Aux.(*AuxCall)
		which := container.AuxInt

			naux = int(sym.NumberOfAuxSymbols)
		} else {
			// Read an aux symbol. At the moment we assume all
			// aux symbols are format 5 (obviously this doesn't always
			// hold; more cases will be needed below if more aux formats
			// are supported in the future).
			naux--
			aux := (*COFFSymbolAuxFormat5)(unsafe.Pointer(&sym))
			err = binary.Read(r, binary.LittleEndian, aux)
			if err != nil {

		// auxint+aux == add auxint and the offset of the symbol in aux (if any) to the effective address

		{name: "MOVDconst", reg: gp01, asm: "MOV", typ: "UInt64", aux: "Int64", rematerializeable: true}, // auxint

		// Loads: load <size> bits from arg0+auxint+aux and extend to 64 bits; arg1=mem