"REMD",
	"REMDU",
	"HRFID",
	"POPCNTD",
	"POPCNTW",
	"POPCNTB",
	"CNTTZW",
	"CNTTZWCC",
	"CNTTZD",
	"CNTTZDCC",
	"COPY",
	"PASTECC",
	"DARN",
	"MADDHD",
	"MADDHDU",
	"MADDLD",
	"LVEBX",
	"LVEHX",
	"LVEWX",
	"LVX",
	"LVXL",
	"LVSL",
	"LVSR",
	"STVEBX",
	"STVEHX",
	"STVEWX",
	"STVX",
	"STVXL",
	"VAND",
	"VANDC",
	"VNAND",
	"VOR",

	// ppc64x/power9:"MADDLD","ROTL\t[$]63"
	even := n%6 == 0

	// amd64:"IMULQ","ADD",-"ROLQ",-"DIVQ"
	// 386:"IMUL3L\t[$]678152731","ADDL\t[$]113025455",-"ROLL",-"DIVQ"
	// arm64:"MUL","MOVD\t[$]485440633518672410","ADD",-"ROR",-"DIV"
	// arm:"MUL","ADD\t[$]113025455",-".*udiv"
	// ppc64x/power8:"MULLD","ADD",-"ROTL"
	// ppc64x/power9:"MADDLD",-"ROTL"
	odd := n%19 == 0

	return even, odd

		{name: "MULLWconst", argLength: 1, reg: gp11, asm: "MULLW", aux: "Int32", typ: "Int64"}, // arg0*auxInt (signed 64-bit)
		{name: "MADDLD", argLength: 3, reg: gp31, asm: "MADDLD", typ: "Int64"},                  // (arg0*arg1)+arg2 (signed 64-bit)

		{name: "MULHD", argLength: 2, reg: gp21, asm: "MULHD", commutative: true},   // (arg0 * arg1) >> 64, signed

	LXVH8X:         "lxvh8x",
	LXVL:           "lxvl",
	LXVLL:          "lxvll",
	LXVWSX:         "lxvwsx",
	LXVX:           "lxvx",
	MADDHD:         "maddhd",
	MADDHDU:        "maddhdu",
	MADDLD:         "maddld",
	MCRXRX:         "mcrxrx",
	MFVSRLD:        "mfvsrld",
	MODSD:          "modsd",
	MODSW:          "modsw",
	MODUD:          "modud",
	MODUW:          "moduw",
	MSGSYNC:        "msgsync",

(Max(32|64)F x y) && buildcfg.GOPPC64 >= 9 => (XSMAXJDP x y)

// Combine 64 bit integer multiply and adds
(ADD l:(MULLD x y) z) && buildcfg.GOPPC64 >= 9 && l.Uses == 1 && clobber(l) => (MADDLD x y z)

(Mod16 x y) => (Mod32 (SignExt16to32 x) (SignExt16to32 y))
(Mod16u x y) => (Mod32u (ZeroExt16to32 x) (ZeroExt16to32 y))
(Mod8 x y) => (Mod32 (SignExt8to32 x) (SignExt8to32 y))

			opset(ACNTTZW, r0)
			opset(ACNTTZWCC, r0)
			opset(ACNTTZD, r0)
			opset(ACNTTZDCC, r0)

		case ACOPY: /* copy, paste. */
			opset(APASTECC, r0)

		case AMADDHD: /* maddhd, maddhdu, maddld */
			opset(AMADDHDU, r0)
			opset(AMADDLD, r0)

		case AMOVBZ: /* lbz, stz, rlwm(r/r), lhz, lha, stz, and x variants */
			opset(AMOVH, r0)
			opset(AMOVHZ, r0)

	}
}
func rewriteValuePPC64_OpPPC64ADD(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	// match: (ADD l:(MULLD x y) z)
	// cond: buildcfg.GOPPC64 >= 9 && l.Uses == 1 && clobber(l)
	// result: (MADDLD x y z)
	for {
		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
			l := v_0
			if l.Op != OpPPC64MULLD {
				continue
			}
			y := l.Args[1]
			x := l.Args[0]
			z := v_1

			},
			outputs: []outputInfo{
				{0, 1073733624}, // R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R29
			},
		},
	},
	{
		name:   "MADDLD",
		argLen: 3,
		asm:    ppc64.AMADDLD,
		reg: regInfo{
			inputs: []inputInfo{
				{0, 1073733630}, // SP SB R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R29