// Shallow copy
	c := *j

	// Marshal metadata
	crc := hashDeterministicBytes(c.MetaSys)
	c.MetaSys = nil
	if bts, err := c.MarshalMsg(metaDataPoolGet()); err == nil {
		crc ^= xxhash.Sum64(bts)
		metaDataPoolPut(bts)
	}

	// Combine upper and lower part
	var tmp [4]byte
	binary.LittleEndian.PutUint32(tmp[:], uint32(crc^(crc>>32)))
	return tmp
}

		v10.AddArg(v9)
		v.AddArg2(v0, v10)
		return true
	}
}
func rewriteValuedec64_OpNeg64(v *Value) bool {
	v_0 := v.Args[0]
	b := v.Block
	// match: (Neg64 <t> x)
	// result: (Sub64 (Const64 <t> [0]) x)
	for {
		t := v.Type
		x := v_0
		v.reset(OpSub64)
		v0 := b.NewValue0(v.Pos, OpConst64, t)
		v0.AuxInt = int64ToAuxInt(0)
		v.AddArg2(v0, x)
		return true
	}
}