VLEF	$2, (R0), V31           // e7f000002803
	VLEH	$3, (R12), V16          // e700c0003801
	VLEB	$15, 4095(R9), V15      // e7f09ffff000
	VSTEG	$1, V30, (R1)(R2*1)     // e7e21000180a
	VSTEF	$3, V2, (R9)            // e7209000300b
	VSTEH	$7, V31, (R2)           // e7f020007809
	VSTEB	$15, V29, 4094(R12)     // e7d0cffef808
	VMSLG	V21, V22, V23, V24      // e78563007fb8
	VMSLEG  V21, V22, V23, V24      // e78563807fb8

00000f0 ff 42 88 21 c4 00 00 00 00 ff ff 00 00 00 ff ff
0000100 00 34 00 cb ff 42 e8 21 5e 0f 00 00 00 ff ff 0a
0000110 f0 66 64 12 61 c0 15 dc e8 a0 48 bf 48 af 2a b3
0000120 20 c0 9b 95 0d c4 67 04 42 53 06 06 06 40 00 06
0000130 00 f9 ff 6d 01 00 00 00 00 42 e8 21 5e 0f 00 00
0000140 00 ff ff 0a f0 66 64 12 61 c0 15 dc e8 a0 48 bf
0000150 48 af 2a b3 20 c0 9b 95 0d c4 67 04 42 53 06 06
0000160 06 40 00 06 00 f9 ff 6d 01 00 00 00 00 50 4b 01

	RLDCRCC $0, R4, $-16, R6        // 788606f3
	RLDICL $0, R4, $15, R6          // 788603c0
	RLDICLCC $0, R4, $15, R6        // 788603c1
	RLDICR $0, R4, $15, R6          // 788603c4
	RLDICRCC $0, R4, $15, R6        // 788603c5
	RLDIC $0, R4, $15, R6           // 788603c8
	RLDICCC $0, R4, $15, R6         // 788603c9
	CLRLSLWI $16, R5, $8, R4        // 54a4422e
	CLRLSLDI $24, R4, $2, R3        // 78831588
	RLDCR	$1, R1, $-16, R1        // 78210ee4

	// Make sure we find the correct byte even when straddling a page.
	for i := 0; i <= len(b)-15; i++ {
		for j := 0; j < 15; j++ {
			b[i+j] = byte(100 + j)
		}
		for j := 0; j < 15; j++ {
			p := IndexByte(b[i:i+15], byte(100+j))
			if p != j {
				t.Errorf("IndexByte(%q, %d) = %d", b[i:i+15], 100+j, p)
			}
		}
		for j := 0; j < 15; j++ {
			b[i+j] = 0
		}
	}
	// Make sure matches outside the slice never trigger.

//			(0xe << 24) |		/* opcode */
//			($1 << 20) |		/* MCR/MRC */
//			(($2^C_SCOND_XOR) << 28) |		/* scond */
//			(($3 & 15) << 8) |	/* coprocessor number */
//			(($5 & 7) << 21) |	/* coprocessor operation */
//			(($7 & 15) << 12) |	/* arm register */
//			(($9 & 15) << 16) |	/* Crn */
//			(($11 & 15) << 0) |	/* Crm */
//			(($12 & 7) << 5) |	/* coprocessor information */
//			(1<<4));			/* must be set */

	VSRI	$8, V1.H8, V2.H8                // 2244186f
	VSRI	$2, V1.B8, V2.B8                // 22440e2f
	VSRI	$2, V1.B16, V2.B16              // 22440e6f
	VSLI	$7, V2.B16, V3.B16              // 43540f6f
	VSLI	$15, V3.H4, V4.H4               // 64541f2f
	VSLI	$31, V5.S4, V6.S4               // a6543f6f
	VSLI	$63, V7.D2, V8.D2               // e8547f6f
	VUSRA	$8, V2.B16, V3.B16              // 4314086f

untyped complex constant yields an untyped complex constant.
</p>

<pre>
const a = 2 + 3.0          // a == 5.0   (untyped floating-point constant)
const b = 15 / 4           // b == 3     (untyped integer constant)
const c = 15 / 4.0         // c == 3.75  (untyped floating-point constant)
const Θ float64 = 3/2      // Θ == 1.0   (type float64, 3/2 is integer division)

	names := []string{
		"0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/file.txt",
		"0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/33/file.txt",
		"0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/333/file.txt",
		"0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/33/34/35/36/37/38/39/40/file.txt",

			p.errorf("rhs of shift must be integer: %s", str)
		} else {
			r2, ok := p.registerReference(str)
			if !ok {
				p.errorf("rhs of shift must be register or integer: %s", str)
			}
			count = (r2&15)<<8 | 1<<4
		}
	case scanner.Int, '(':
		p.back()
		x := int64(p.expr())
		if p.arch.Family == sys.ARM64 {
			if x >= 64 {
				p.errorf("register shift count too large: %s", str)
			}

	VDUP	V8.B[16], V3.B16                                 // ERROR "register element index out of range 0 to 15"
	VDUP	V8.B[17], V3.B8                                  // ERROR "register element index out of range 0 to 15"
	VDUP	V8.H[9], V3.H4                                   // ERROR "register element index out of range 0 to 7"