/* XX2-form 3-register operands, 2 VSR operands */
func AOP_XX2(op uint32, xt uint32, a uint32, xb uint32) uint32 {
	return op | (xt&31)<<21 | (a&3)<<16 | (xb&31)<<11 | (xb&32)>>4 | (xt&32)>>5
}

/* XX3-form 3 VSR operands */
func AOP_XX3(op uint32, xt uint32, xa uint32, xb uint32) uint32 {
	return op | (xt&31)<<21 | (xa&31)<<16 | (xb&31)<<11 | (xa&32)>>3 | (xb&32)>>4 | (xt&32)>>5
}

/* XX3-form 3 VSR operands + immediate */

	}
	for _, x := range in {
		if x.Kind() == Invalid {
			panic("reflect: " + op + " using zero Value argument")
		}
	}
	for i := 0; i < n; i++ {
		if xt, targ := in[i].Type(), t.In(i); !xt.AssignableTo(toRType(targ)) {
			panic("reflect: " + op + " using " + xt.String() + " as type " + stringFor(targ))
		}
	}
	if !isSlice && isVariadic {
		// prepare slice for remaining values
		m := len(in) - n

	SPOP_PSTL3STRM: 21,
}

// sysInstFields helps convert SYS alias instructions to SYS instructions.
// For example, the format of TLBI is: TLBI <tlbi_op>{, <Xt>}.
// It's equivalent to: SYS #<op1>, C8, <Cm>, #<op2>{, <Xt>}.
// The field hasOperand2 indicates whether Xt is required. It helps to check
// some combinations that may be undefined, such as TLBI VMALLE1IS, R0.
var sysInstFields = map[SpecialOperand]struct {
	op1         uint8