// 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));
    }

        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());

        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));

	MOVFL CR3, CR1                  // 4c8c0000

	MOVW CR0, R1                    // 7c380026
	MOVW CR7, R1                    // 7c301026
	MOVW CR, R1                     // 7c200026

	MOVW R1, CR                     // 7c2ff120
	MOVFL R1, CR                    // 7c2ff120
	MOVW R1, CR2                    // 7c320120
	MOVFL R1, CR2                   // 7c320120
	MOVFL R1, $255                  // 7c2ff120

        List<Restriction> r1 = this.restrictions;
        List<Restriction> r2 = restriction.restrictions;
        List<Restriction> restrictions;

        if (r1.isEmpty() || r2.isEmpty()) {
            restrictions = Collections.emptyList();
        } else {
            restrictions = Collections.unmodifiableList(intersection(r1, r2));
        }

        ArtifactVersion version = null;

    Table<String, String, String> table = HashBasedTable.create();
    for (int i = 0; i < 5; i++) {
      table.put("r" + i, "c" + i, "v" + i);
    }
    assertThat(table.rowKeySet()).containsExactly("r0", "r1", "r2", "r3", "r4").inOrder();
    assertThat(table.columnKeySet()).containsExactly("c0", "c1", "c2", "c3", "c4").inOrder();
    assertThat(table.values()).containsExactly("v0", "v1", "v2", "v3", "v4").inOrder();
  }

    Table<String, String, String> table = HashBasedTable.create();
    for (int i = 0; i < 5; i++) {
      table.put("r" + i, "c" + i, "v" + i);
    }
    assertThat(table.rowKeySet()).containsExactly("r0", "r1", "r2", "r3", "r4").inOrder();
    assertThat(table.columnKeySet()).containsExactly("c0", "c1", "c2", "c3", "c4").inOrder();
    assertThat(table.values()).containsExactly("v0", "v1", "v2", "v3", "v4").inOrder();
  }

			if arch.IsARMMULA(op) {
				// All must be registers.
				p.getRegister(prog, op, &a[0])
				r1 := p.getRegister(prog, op, &a[1])
				r2 := p.getRegister(prog, op, &a[2])
				p.getRegister(prog, op, &a[3])
				prog.From = a[0]
				prog.To = a[3]
				prog.To.Type = obj.TYPE_REGREG2
				prog.To.Offset = int64(r2)
				prog.Reg = r1
				break
			}
		}
		if p.arch.Family == sys.AMD64 {
			prog.From = a[0]

	}

	// check not at EOF
	buf.Write(b)
	for r := rune(0); r < NRune; r++ {
		r1, size, _ := buf.ReadRune()
		if err := buf.UnreadRune(); err != nil {
			t.Fatalf("UnreadRune(%U) got error %q", r, err)
		}
		r2, nbytes, err := buf.ReadRune()
		if r1 != r2 || r1 != r || nbytes != size || err != nil {