}},
	{as: AVPOPCNTB, ytab: _yvexpandpd, prefix: Pavx, op: opBytes{
		avxEscape | evex128 | evex66 | evex0F38 | evexW0, evexN16 | evexZeroingEnabled, 0x54,
		avxEscape | evex256 | evex66 | evex0F38 | evexW0, evexN32 | evexZeroingEnabled, 0x54,
		avxEscape | evex512 | evex66 | evex0F38 | evexW0, evexN64 | evexZeroingEnabled, 0x54,
	}},
	{as: AVPOPCNTD, ytab: _yvexpandpd, prefix: Pavx, op: opBytes{

	{APMULLW, ymm, Py1, opBytes{0xd5, Pe, 0xd5}},
	{APMULULQ, ymm, Py1, opBytes{0xf4, Pe, 0xf4}},
	{APOPAL, ynone, P32, opBytes{0x61}},
	{APOPAW, ynone, Pe, opBytes{0x61}},
	{APOPCNTW, yml_rl, Pef3, opBytes{0xb8}},
	{APOPCNTL, yml_rl, Pf3, opBytes{0xb8}},
	{APOPCNTQ, yml_rl, Pfw, opBytes{0xb8}},
	{APOPFL, ynone, P32, opBytes{0x9d}},
	{APOPFQ, ynone, Py, opBytes{0x9d}},
	{APOPFW, ynone, Pe, opBytes{0x9d}},

		v.AddArg2(y, x)
		return true
	}
}
func rewriteValuePPC64_OpCtz16(v *Value) bool {
	v_0 := v.Args[0]
	b := v.Block
	typ := &b.Func.Config.Types
	// match: (Ctz16 x)
	// result: (POPCNTW (MOVHZreg (ANDN <typ.Int16> (ADDconst <typ.Int16> [-1] x) x)))
	for {
		x := v_0
		v.reset(OpPPC64POPCNTW)
		v0 := b.NewValue0(v.Pos, OpPPC64MOVHZreg, typ.Int64)
		v1 := b.NewValue0(v.Pos, OpPPC64ANDN, typ.Int16)

				{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:   "POPCNTW",
		argLen: 1,
		asm:    ppc64.APOPCNTW,
		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
			},

			bFalse := s.f.NewBlock(ssa.BlockPlain)
			bEnd := s.f.NewBlock(ssa.BlockPlain)
			b.AddEdgeTo(bTrue)
			b.AddEdgeTo(bFalse)
			b.Likely = ssa.BranchLikely // most machines have popcnt nowadays

			// We have the intrinsic - use it directly.
			s.startBlock(bTrue)
			s.vars[n] = s.newValue1(op, types.Types[types.TINT], args[0])
			s.endBlock().AddEdgeTo(bEnd)