SLLI	$64, X5, X6			// ERROR "immediate out of range 0 to 63"
	SRLI	$64, X5, X6			// ERROR "immediate out of range 0 to 63"
	SRAI	$64, X5, X6			// ERROR "immediate out of range 0 to 63"
	RORI	$-1, X5, X6			// ERROR "immediate out of range 0 to 63"
	SLLI	$-1, X5, X6			// ERROR "immediate out of range 0 to 63"
	SRLI	$-1, X5, X6			// ERROR "immediate out of range 0 to 63"

// ------------------ //

func lshConst64x64(v int64) int64 {
	// ppc64x:"SLD"
	// riscv64:"SLLI",-"AND",-"SLTIU"
	return v << uint64(33)
}

func rshConst64Ux64(v uint64) uint64 {
	// ppc64x:"SRD"
	// riscv64:"SRLI\t",-"AND",-"SLTIU"
	return v >> uint64(33)
}

func rshConst64Ux64Overflow32(v uint32) uint64 {
	// riscv64:"MOV\t\\$0,",-"SRL"
	return uint64(v) >> 32
}

func rshConst64Ux64Overflow16(v uint16) uint64 {

				ins.as, ins.rs1, ins.rs2, ins.imm = AZEXTH, uint32(p.From.Reg), obj.REG_NONE, 0
				if p.As == AMOVWU {
					ins.as, ins.rs2 = AADDUW, REG_ZERO
				}
			} else {
				// Use SLLI/SRLI sequence to extend.
				ins.as, ins.rs1, ins.rs2 = ASLLI, uint32(p.From.Reg), obj.REG_NONE
				if p.As == AMOVHU {
					ins.imm = 48
				} else if p.As == AMOVWU {
					ins.imm = 32
				}

			},
			outputs: []outputInfo{
				{0, 1006632944}, // X5 X6 X7 X8 X9 X10 X11 X12 X13 X14 X15 X16 X17 X18 X19 X20 X21 X22 X23 X24 X25 X26 X28 X29 X30
			},
		},
	},
	{
		name:    "SRLI",
		auxType: auxInt64,
		argLen:  1,
		asm:     riscv.ASRLI,
		reg: regInfo{
			inputs: []inputInfo{