v.AuxInt = int64ToAuxInt(c & 31)
		v.AddArg(x)
		return true
	}
	return false
}
func rewriteValueLOONG64_OpLOONG64ROTRV(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	// match: (ROTRV x (MOVVconst [c]))
	// result: (ROTRVconst x [c&63])
	for {
		x := v_0
		if v_1.Op != OpLOONG64MOVVconst {
			break
		}
		c := auxIntToInt64(v_1.AuxInt)
		v.reset(OpLOONG64ROTRVconst)