case "arm64":
		return archArm64()
	case "loong64":
		return archLoong64(&loong64.Linkloong64)
	case "mips":
		return archMips(&mips.Linkmips)
	case "mipsle":
		return archMips(&mips.Linkmipsle)
	case "mips64":
		return archMips64(&mips.Linkmips64)
	case "mips64le":
		return archMips64(&mips.Linkmips64le)
	case "ppc64":
		return archPPC64(&ppc64.Linkppc64)
	case "ppc64le":
		return archPPC64(&ppc64.Linkppc64le)

}

func TestAMD64DynLinkErrors(t *testing.T) {
	testErrors(t, "amd64", "amd64dynlinkerror", "dynlink")
}

func TestMIPSEndToEnd(t *testing.T) {
	testEndToEnd(t, "mips", "mips")
	testEndToEnd(t, "mips64", "mips64")
}

func TestLOONG64Encoder(t *testing.T) {
	testEndToEnd(t, "loong64", "loong64enc1")
	testEndToEnd(t, "loong64", "loong64enc2")
	testEndToEnd(t, "loong64", "loong64enc3")

	export CGO_ENABLED=0

	## List of architectures and OS to test coss compilation.
	SUPPORTED_OSARCH="linux/ppc64le linux/mips64 linux/amd64 linux/arm64 linux/s390x darwin/arm64 darwin/amd64 freebsd/amd64 windows/amd64 linux/arm linux/386 netbsd/amd64 linux/mips openbsd/amd64 linux/riscv64"
}

function _build() {
	local osarch=$1
	IFS=/ read -r -a arr <<<"$osarch"
	os="${arr[0]}"
	arch="${arr[1]}"

    while (lower <= upper) {
      int middle = (lower + upper) >>> 1;
      int c = comparator.compare(key, list.get(middle));
      if (c < 0) {
        upper = middle - 1;
      } else if (c > 0) {
        lower = middle + 1;
      } else {
        return lower
            + presentBehavior.resultIndex(
                comparator, key, list.subList(lower, upper + 1), middle - lower);
      }
    }

<ul>

<li>
<code>(R5)(R6*1)</code>: The location at <code>R5</code> plus <code>R6</code>.
It is a scaled mode as on the x86, but the only scale allowed is <code>1</code>.
</li>

</ul>

<h3 id="mips">MIPS, MIPS64</h3>

<p>
General purpose registers are named <code>R0</code> through <code>R31</code>,
floating point registers are <code>F0</code> through <code>F31</code>.
</p>

<p>

        ExtendedSmbTree middle = smbTree.unwrap(ExtendedSmbTree.class);
        CustomSmbTree inner = middle.unwrap(CustomSmbTree.class);

        assertNotNull(middle, "Middle tree should not be null");
        assertNotNull(inner, "Inner tree should not be null");
        assertSame(middleTree, middle, "Should return correct middle tree");

				reg, success := ppc64.ConstantToCRbit(c)
				if !success {
					p.errorf("invalid CR bit register number %d", c)
				}
				prog.Reg = reg
			}
			break
		}
		if p.arch.Family == sys.MIPS || p.arch.Family == sys.MIPS64 || p.arch.Family == sys.RISCV64 {
			// 3-operand jumps.
			// First two must be registers
			target = &a[2]
			prog.From = a[0]
			prog.Reg = p.getRegister(prog, op, &a[1])
			break
		}

        void testToStringWithNestedExceptions() {
            Exception innermost = new IOException("Innermost exception");
            Exception middle = new RuntimeException("Middle exception", innermost);
            Exception rootCause = new IllegalStateException("Outer exception", middle);
            TransportException exception = new TransportException("Transport failed", rootCause);

            String result = exception.toString();

    void testJoinWithEmptyStringElements() {
        String result = StringUtil.join(",", "", "middle", "");
        // First element is empty string (sb becomes "")
        // Second: sb.length() is 0, no delimiter, append "middle" (sb becomes "middle")
        // Third: sb.length() > 0, add delimiter + "" (sb becomes "middle,")
        assertEquals("middle,", result);
    }

    @Test

        // Test constructor with nested exception causes
        Exception rootCause = new IllegalStateException("Root cause");
        Exception middleCause = new RuntimeException("Middle cause", rootCause);
        String message = "Top level dictionary error";
        DictionaryException exception = new DictionaryException(message, middleCause);

        assertNotNull(exception);