new := uint32(seed+i)<<16 | uint32(seed+i)<<16>>16
		old := uint32(addr.Swap(int32(new)))
		if old>>16 != old<<16>>16 {
			panic(fmt.Sprintf("SwapInt32 is not atomic: %v", old))
		}
	}
}

func hammerSwapUint32(addr *uint32, count int) {
	seed := int(uintptr(unsafe.Pointer(&count)))
	for i := 0; i < count; i++ {
		new := uint32(seed+i)<<16 | uint32(seed+i)<<16>>16
		old := SwapUint32(addr, new)

// Grab error string due to a syscall made
// in entersyscall mode, without going
// through the allocator (issue 4994).
// See ../syscall/asm_plan9_amd64.s:/·Syscall/
TEXT runtime·errstr(SB),NOSPLIT,$16-16
	get_tls(AX)
	MOVQ	g(AX), BX
	MOVQ	g_m(BX), BX
	MOVQ	(m_mOS+mOS_errstr)(BX), CX
	MOVQ	CX, 0(SP)
	MOVQ	$ERRMAX, 8(SP)
	CALL	errstr<>(SB)
	CALL	runtime·findnull(SB)
	MOVQ	8(SP), AX

                    message = Unparsable value argument: "("plugin-id-1"". Expecting ')',
                    potentialElementSource = indexes: 2..16, line/column: 1/3..1/17, file: test,
                    erroneousSource = indexes: 16..16, line/column: 1/17..1/17, file: test
                )
            )
            ErroneousStatement (
                ParsingError(
                    message = Expecting an element,

// two-byte value.
func parseWord(s string) (byte, byte, error) {
	if len(s) > 4 {
		return 0, 0, fmt.Errorf("parseWord(%q): invalid word", s)
	}
	ret, err := strconv.ParseUint(s, 16, 16)
	if err != nil {
		return 0, 0, err
	}
	return uint8(ret >> 8), uint8(ret), nil

          UnsignedInteger.fromIntBits(a),
          UnsignedInteger.valueOf(value),
          UnsignedInteger.valueOf(Long.toString(value)),
          UnsignedInteger.valueOf(Long.toString(value, 16), 16));
    }
    equalsTester.testEquals();
  }

  public void testIntValue() {
    for (int a : TEST_INTS) {
      UnsignedInteger aUnsigned = UnsignedInteger.fromIntBits(a);

      equalsTester.addEqualityGroup(
          UnsignedLong.fromLongBits(a),
          UnsignedLong.valueOf(big),
          UnsignedLong.valueOf(big.toString()),
          UnsignedLong.valueOf(big.toString(16), 16));
    }
    equalsTester.testEquals();
  }

  public void testIntValue() {
    for (long a : TEST_LONGS) {
      UnsignedLong aUnsigned = UnsignedLong.fromLongBits(a);

	CMPBEQ	R9, $16, kma
	MVC	$8, 16(R8), 96(R1)
	CMPBEQ	R9, $24, kma
	MVC	$8, 24(R8), 104(R1)

kma:
	KMA	R2, R6, R4       // Cipher Message with Authentication
	BVS	kma

	MOVD	tag+104(FP), R2
	MVC	$16, 16(R1), 0(R2) // copy tag to output
	MOVD	cnt+112(FP), R8
	MVC	$4, 12(R1), 12(R8) // update counter value

        map sigbuild-r2.14-clang-python3.9 2.14-python3.9
        map sigbuild-r2.14-clang-python3.10 2.14-python3.10
        map sigbuild-r2.14-clang-python3.11 2.14-python3.11
        # TF 2.16
        map sigbuild-r2.16 2.16-python3.11
        map sigbuild-r2.16-python3.9 2.16-python3.9
        map sigbuild-r2.16-python3.10 2.16-python3.10
        map sigbuild-r2.16-python3.11 2.16-python3.11
        map sigbuild-r2.16-python3.12 2.16-python3.12

          UnsignedInteger.fromIntBits(a),
          UnsignedInteger.valueOf(value),
          UnsignedInteger.valueOf(Long.toString(value)),
          UnsignedInteger.valueOf(Long.toString(value, 16), 16));
    }
    equalsTester.testEquals();
  }

  public void testIntValue() {
    for (int a : TEST_INTS) {
      UnsignedInteger aUnsigned = UnsignedInteger.fromIntBits(a);

		}
	}
	return m
}

func vgradCr() image.Image {
	m := &image.YCbCr{
		Y:              make([]byte, 16*16),
		Cb:             make([]byte, 16*16),
		Cr:             make([]byte, 16*16),
		YStride:        16,
		CStride:        16,
		SubsampleRatio: image.YCbCrSubsampleRatio444,
		Rect:           image.Rect(0, 0, 16, 16),
	}
	for y := 0; y < 16; y++ {