MOVD	$-8589934592, R1      // c01efffffffe
	MOVW	$-131072, R2          // c021fffe0000
	MOVH	$-512, R3             // a739fe00
	MOVB	$-1, R4               // a749ffff

	MOVD	$32767, n-8(SP)       // e548f0107fff
	MOVD	$-1, -524288(R1)      // e3a010008071e548a000ffff
	MOVW	$32767, n-8(SP)       // e54cf0107fff
	MOVW	$-32768, 4096(R2)     // e3a020000171e54ca0008000
	MOVH	$512, n-8(SP)         // e544f0100200

	MOVW	$1000000, R4                  // 04488852e401a072
	MOVW	$0xaaaa0000, R1               // MOVW	$2863267840, R1             // 4155b552
	MOVW	$0xaaaaffff, R1               // MOVW	$2863333375, R1             // a1aaaa12
	MOVW	$0xaaaa, R1                   // MOVW	$43690, R1                  // 41559552
	MOVW	$0xffffaaaa, R1               // MOVW	$4294945450, R1             // a1aa8a12

	JMP	foo(SB)			// 00000050

	JMP	(R4)			// 8000004c
	JMP	1(PC)			// 00040050
	MOVW	$65536, R4		// 04020014
	MOVW	$4096, R4		// 24000014
	MOVV	$65536, R4		// 04020014
	MOVB	R4, R5			// 855c0000
	MOVH	R4, R5			// 85580000
	MOVV	$4096, R4		// 24000014
	MOVW	R4, R5			// 85001700
	MOVWU	R4, R5			// 8500df00
	MOVV	R4, R5			// 85001500
	MOVBU	R4, R5			// 85fc4303
	SUB	R4, R5, R6		// a6101100

	MOV	$8(SP), (X5)			// ERROR "address load must target register"
	MOVB	$8(SP), X5			// ERROR "unsupported address load"
	MOVH	$8(SP), X5			// ERROR "unsupported address load"
	MOVW	$8(SP), X5			// ERROR "unsupported address load"
	MOVF	$8(SP), X5			// ERROR "unsupported address load"
	MOV	$1234, 0(SP)			// ERROR "constant load must target register"

	MOVH	(X5), X6				// 03930200
	MOVH	4(X5), X6				// 03934200
	MOVW	(X5), X6				// 03a30200
	MOVW	4(X5), X6				// 03a34200
	MOV	X5, (X6)				// 23305300
	MOV	X5, 4(X6)				// 23325300
	MOVB	X5, (X6)				// 23005300
	MOVB	X5, 4(X6)				// 23025300
	MOVH	X5, (X6)				// 23105300
	MOVH	X5, 4(X6)				// 23125300
	MOVW	X5, (X6)				// 23205300
	MOVW	X5, 4(X6)				// 23225300

}

func (p *Parser) branch(addr *obj.Addr, target *obj.Prog) {
	*addr = obj.Addr{
		Type:  obj.TYPE_BRANCH,
		Index: 0,
	}
	addr.Val = target
}

// asmInstruction assembles an instruction.
// MOVW R9, (R10)
func (p *Parser) asmInstruction(op obj.As, cond string, a []obj.Addr) {
	// fmt.Printf("%s %+v\n", op, a)
	prog := &obj.Prog{
		Ctxt: p.ctxt,
		Pos:  p.pos(),
		As:   op,
	}
	switch len(a) {