v := ValueOf(xs).Index(3).Interface().(byte)
	if v != xs[3] {
		t.Errorf("xs.Index(3) = %v; expected %v", v, xs[3])
	}
	xa := [8]byte{10, 20, 30, 40, 50, 60, 70, 80}
	v = ValueOf(xa).Index(2).Interface().(byte)
	if v != xa[2] {
		t.Errorf("xa.Index(2) = %v; expected %v", v, xa[2])
	}
	s := "0123456789"
	v = ValueOf(s).Index(3).Interface().(byte)
	if v != s[3] {

/* 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 */
func AOP_XX3I(op uint32, xt uint32, xa uint32, xb uint32, c uint32) uint32 {
	return op | (xt&31)<<21 | (xa&31)<<16 | (xb&31)<<11 | (c&3)<<8 | (xa&32)>>3 | (xb&32)>>4 | (xt&32)>>5
}

'a'
'ä'
'本'
'\t'
'\000'
'\007'
'\377'
'\x07'
'\xff'
'\u12e4'
'\U00101234'
'\''         // rune literal containing single quote character
'aa'         // illegal: too many characters
'\xa'        // illegal: too few hexadecimal digits
'\0'         // illegal: too few octal digits
'\uDFFF'     // illegal: surrogate half
'\U00110000' // illegal: invalid Unicode code point
</pre>