// including forms involving multiple registers such as R1:R2.
func (p *Parser) register(name string, prefix rune) (r1, r2 int16, scale int8, ok bool) {
	// R1 or R(1) R1:R2 R1,R2 R1+R2, or R1*scale.
	r1, ok = p.registerReference(name)
	if !ok {
		return
	}
	if prefix != 0 && prefix != '*' { // *AX is OK.

    private static boolean repositoryEquals(RemoteRepository r1, RemoteRepository r2) {
        if (r1 == r2) {
            return true;
        }

        return Objects.equals(r1.getId(), r2.getId())
                && Objects.equals(r1.getUrl(), r2.getUrl())
                && policyEquals(r1.getPolicy(false), r2.getPolicy(false))
                && policyEquals(r1.getPolicy(true), r2.getPolicy(true));
    }

	AND	R0@>28, R1           // 601e01e0
	AND.S	R0<<28, R1           // 001e11e0
	AND.S	R0>>28, R1           // 201e11e0
	AND.S	R0->28, R1           // 401e11e0
	AND.S	R0@>28, R1           // 601e11e0
	AND	R0<<R1, R2, R3       // 103102e0
	AND	R0>>R1, R2, R3       // 303102e0
	AND	R0->R1, R2, R3       // 503102e0
	AND	R0@>R1, R2, R3       // 703102e0
	AND.S	R0<<R1, R2, R3       // 103112e0

	MOVB	R1, 0x1000000(R2)	// MOVB		R1, 16777216(R2)
	MOVB	R1, 0x44332211(R2)	// MOVB		R1, 1144201745(R2)
	MOVH	R1, 0x1001000(R2)	// MOVH		R1, 16781312(R2)
	MOVH	R1, 0x44332211(R2)	// MOVH		R1, 1144201745(R2)
	MOVW	R1, 0x1003000(R2)	// MOVW		R1, 16789504(R2)
	MOVW	R1, 0x44332211(R2)	// MOVW		R1, 1144201745(R2)
	MOVD	R1, 0x1007000(R2)	// MOVD		R1, 16805888(R2)
	MOVD	R1, 0x44332211(R2)	// MOVD		R1, 1144201745(R2)

        assertFalse(kuromojiItem1.equals(new KuromojiItem(1, "t1", "s1", "R1", "p1")));
        assertFalse(kuromojiItem1.equals(new KuromojiItem(1, "t1", "s1", "r1", "P1")));
    }

    public void test_toLineString() {
        assertEquals("t1,s1,r1,p1", new KuromojiItem(1, "t1", "s1", "r1", "p1").toLineString());
        assertEquals("t\"\"1,s\"\"1,r\"\"1,p\"\"1", new KuromojiItem(1, "t\"1", "s\"1", "r\"1", "p\"1").toLineString());

	//	}
	MOVW	R1, R2
	MOVW	LO, R1
	MOVW	HI, R1
	MOVW	R1, LO
	MOVW	R1, HI
	MOVW	R1, R2
	MOVW	LO, R1
	MOVW	HI, R1
	MOVW	R1, LO
	MOVW	R1, HI

	//	LMOVW addr ',' rreg
	//	{
	//		outcode(int($1), &$2, 0, &$4);
	//	}
	MOVW	foo<>+3(SB), R2
	MOVW	16(R1), R2
	MOVW	(R1), R2
	MOVW	foo<>+3(SB), R2
	MOVW	16(R1), R2
	MOVW	(R1), R2
	LL	(R1), R2

	//	LMOVB rreg ',' rreg
	//	{

	VINSHRX R1, R2, V3                      // 1061134f
	VINSHVLX R1, V2, V3                     // 1061104f
	VINSHVRX R1, V2, V3                     // 1061114f
	VINSW R1, $4, V3                        // 106408cf
	VINSWLX R1, R2, V3                      // 1061128f
	VINSWRX R1, R2, V3                      // 1061138f
	VINSWVLX R1, V2, V3                     // 1061108f
	VINSWVRX R1, V2, V3                     // 1061118f

	AND	$-2, R1               // a517fffe
	AND	$-65536, R1           // c01bffff0000
	AND	$1, R1                // c0a100000001b980001a
	ANDW	R1, R2                // 1421
	ANDW	R1, R2, R3            // b9f42031
	ANDW	$1, R1                // c01b00000001
	ANDW	$131071, R1           // a5160001
	ANDW	$65536, R1            // c01b00010000
	ANDW	$-2, R1               // a517fffe
	OR	R1, R2                // b9810021

	BEQ	R1, 2(PC)
	JAL	0(R1)		// CALL (R1)	// 0020f809
	BEQ	R1, 2(PC)
	JAL	foo+0(SB)	// CALL foo(SB)	// 0c000021

//
// BEQ/BNE
//
//	LBRA rreg ',' rel
//	{
//		outcode(int($1), &$2, 0, &$4);
//	}
label1:
	BEQ	R1, 1(PC)	// BEQ R1, 1(PC)	// 10200001
	BEQ	R1, label1	// BEQ R1, 18		// 1020fffd

//	LBRA rreg ',' sreg ',' rel
//	{
//		outcode(int($1), &$2, 0, &$4);
//	}
label2:

        MavenArtifactRepositorySubclass r1 = new MavenArtifactRepositorySubclass("foo");
        MavenArtifactRepositorySubclass r2 = new MavenArtifactRepositorySubclass("foo");
        MavenArtifactRepositorySubclass r3 = new MavenArtifactRepositorySubclass("bar");

        assertTrue(r1.hashCode() == r2.hashCode());
        assertFalse(r1.hashCode() == r3.hashCode());

        assertTrue(r1.equals(r2));
        assertTrue(r2.equals(r1));