{name: "ROLQ", argLength: 2, reg: gp21shift, asm: "ROLQ", resultInArg0: true, clobberFlags: true},
		{name: "ROLL", argLength: 2, reg: gp21shift, asm: "ROLL", resultInArg0: true, clobberFlags: true},
		{name: "ROLW", argLength: 2, reg: gp21shift, asm: "ROLW", resultInArg0: true, clobberFlags: true},
		{name: "ROLB", argLength: 2, reg: gp21shift, asm: "ROLB", resultInArg0: true, clobberFlags: true},

	v_1 := v.Args[1]
	v_0 := v.Args[0]
	// match: (ROLW x (MOVDconst [val]))
	// result: (RORIW [int64(int8(-val)&31)] x)
	for {
		x := v_0
		if v_1.Op != OpRISCV64MOVDconst {
			break
		}
		val := auxIntToInt64(v_1.AuxInt)
		v.reset(OpRISCV64RORIW)
		v.AuxInt = int64ToAuxInt(int64(int8(-val) & 31))
		v.AddArg(x)
		return true
	}
	// match: (ROLW x (NEG y))
	// result: (RORW x y)
	for {