// result: (MOVLstoreconst [makeValAndOff(0,12)] destptr (MOVLstoreconst [makeValAndOff(0,8)] destptr (MOVLstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))))
	for {
		if auxIntToInt64(v.AuxInt) != 16 {
			break
		}
		destptr := v_0
		mem := v_1
		v.reset(Op386MOVLstoreconst)
		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 12))
		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)

		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(256, 0))
		v0.AddArg3(dst, src, mem)
		v.AddArg3(dst, src, v0)
		return true
	}
	// match: (Move [s] dst src mem)
	// cond: s > 512 && s <= 768 && logLargeCopy(v, s)
	// result: (MVC [makeValAndOff(int32(s)-512, 512)] dst src (MVC [makeValAndOff(256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem)))
	for {
		s := auxIntToInt64(v.AuxInt)
		dst := v_0
		src := v_1