}
		v.reset(OpTrunc32to16)
		v0 := b.NewValue0(v.Pos, OpRsh32Ux64, typ.UInt32)
		v1 := b.NewValue0(v.Pos, OpMul32, typ.UInt32)
		v2 := b.NewValue0(v.Pos, OpConst32, typ.UInt32)
		v2.AuxInt = int32ToAuxInt(int32(1<<15 + (umagic16(c).m+1)/2))
		v3 := b.NewValue0(v.Pos, OpRsh32Ux64, typ.UInt32)
		v4 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
		v4.AddArg(x)
		v5 := b.NewValue0(v.Pos, OpConst64, typ.UInt64)

		v.AuxInt = int32ToAuxInt(2)
		v0 := b.NewValue0(v.Pos, OpPPC64SLD, t)
		v1 := b.NewValue0(v.Pos, OpPPC64MOVHZreg, typ.Int64)
		v1.AddArg(x)
		v0.AddArg2(v1, y)
		v2 := b.NewValue0(v.Pos, OpPPC64MOVDconst, typ.Int64)
		v2.AuxInt = int64ToAuxInt(0)
		v3 := b.NewValue0(v.Pos, OpPPC64CMPconst, types.TypeFlags)
		v3.AuxInt = int64ToAuxInt(0)
		v4 := b.NewValue0(v.Pos, OpPPC64ANDconst, typ.Int)

			if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
				continue
			}
			v.reset(OpARM64MOVWUreg)
			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
			v1.AuxInt = int64ToAuxInt(log64(c + 1))
			v2 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
			v2.AddArg(x)
			v1.AddArg2(v2, x)
			v0.AddArg(v1)
			v.AddArg(v0)
			return true
		}

	for {
		if auxIntToInt32(v.AuxInt) != 2 {
			break
		}
		cmp := v_0
		if !(buildcfg.GOPPC64 <= 9) {
			break
		}
		v.reset(OpPPC64ISELZ)
		v.AuxInt = int32ToAuxInt(2)
		v0 := b.NewValue0(v.Pos, OpPPC64MOVDconst, typ.Int64)
		v0.AuxInt = int64ToAuxInt(1)
		v.AddArg2(v0, cmp)
		return true
	}
	// match: (SETBC [0] cmp)
	// cond: buildcfg.GOPPC64 <= 9
	// result: (ISELZ [0] (MOVDconst [1]) cmp)

	}
	// Clear everything but ID (which we reuse).
	id := b.ID
	*b = Block{}
	b.ID = id
	b.succstorage[0].b = f.freeBlocks
	f.freeBlocks = b
}

// NewValue0 returns a new value in the block with no arguments and zero aux values.
func (b *Block) NewValue0(pos src.XPos, op Op, t *types.Type) *Value {
	v := b.Func.newValue(op, t, b, pos)
	v.AuxInt = 0
	v.Args = v.argstorage[:0]
	return v
}

	}
}

// If/when midstack inlining is enabled (-l=4), the compiler gets both larger and slower.
// Not-inlining this method is a help (*Value.reset and *Block.NewValue0 are similar).
//
//go:noinline
func (v *Value) AddArg(w *Value) {
	if v.Args == nil {
		v.resetArgs() // use argstorage
	}
	v.Args = append(v.Args, w)
	w.Uses++
}

//go:noinline

// peekPos peeks the top of the line number stack.
func (s *state) peekPos() src.XPos {
	return s.line[len(s.line)-1]
}

// newValue0 adds a new value with no arguments to the current block.
func (s *state) newValue0(op ssa.Op, t *types.Type) *ssa.Value {
	return s.curBlock.NewValue0(s.peekPos(), op, t)
}

// newValue0A adds a new value with no arguments and an aux value to the current block.