v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
		return true
	}
	// match: (CMPWconst (MOVHUreg _) [c])
	// cond: 0xffff < c
	// result: (FlagConstant [subFlags64(0,1)])
	for {
		c := auxIntToInt32(v.AuxInt)
		if v_0.Op != OpARM64MOVHUreg || !(0xffff < c) {
			break
		}
		v.reset(OpARM64FlagConstant)
		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
		return true
	}
	return false

	typ := &b.Func.Config.Types
	// match: (Neg32F x)
	// result: (PXOR x (MOVSSconst <typ.Float32> [float32(math.Copysign(0, -1))]))
	for {
		x := v_0
		v.reset(OpAMD64PXOR)
		v0 := b.NewValue0(v.Pos, OpAMD64MOVSSconst, typ.Float32)
		v0.AuxInt = float32ToAuxInt(float32(math.Copysign(0, -1)))
		v.AddArg2(x, v0)
		return true
	}
}
func rewriteValueAMD64_OpNeg64F(v *Value) bool {