(MOVWreg y:(ANDconst [c] _)) && uint64(c) <= 0xFFFF => y // 0xFFFF is largest immediate constant, when regarded as 32-bit is > 0
(MOVWreg y:(AND (MOVDconst [c]) _)) && uint64(c) <= 0x7FFFFFFF => y

// small and of zero-extend => either zero-extend or small and
(ANDconst [c] y:(MOVBZreg _)) && c&0xFF == 0xFF => y
(ANDconst [0xFF] (MOVBreg x)) => (MOVBZreg x)
(ANDconst [c] y:(MOVHZreg _))  && c&0xFFFF == 0xFFFF => y

	// match: (ANDconst [c] y:(MOVHZreg _))
	// cond: c&0xFFFF == 0xFFFF
	// result: y
	for {
		c := auxIntToInt64(v.AuxInt)
		y := v_0
		if y.Op != OpPPC64MOVHZreg || !(c&0xFFFF == 0xFFFF) {
			break
		}
		v.copyOf(y)
		return true
	}
	// match: (ANDconst [0xFFFF] (MOVHreg x))
	// result: (MOVHZreg x)
	for {
		if auxIntToInt64(v.AuxInt) != 0xFFFF || v_0.Op != OpPPC64MOVHreg {
			break
		}

	MOVQ DI, (R8)
	RET

// handle for lengths < 16
small:
	TESTQ	BX, BX
	JEQ	failure

	// Check if we'll load across a page boundary.
	LEAQ	16(SI), AX
	TESTW	$0xff0, AX
	JEQ	endofpage

	MOVOU	(SI), X1 // Load data
	PCMPEQB	X0, X1	// Compare target byte with each byte in data.
	PMOVMSKB X1, DX	// Move result bits to integer register.
	BSFL	DX, DX	// Find first set bit.

	v[i] = (v[i] & 0xFF00) >> 6
	i++
	// ppc64x: "MOVW\tR0"
	v[i] = (v[i] & 0xFF) >> 8
	i++
	// ppc64x: "MOVW\tR0"
	v[i] = (v[i] & 0xF000000) >> 28
	i++
	// ppc64x: "RLWNM\t[$]26, R[0-9]+, [$]24, [$]31, R[0-9]+"
	v[i] = (v[i] >> 6) & 0xFF
	i++
	// ppc64x: "RLWNM\t[$]26, R[0-9]+, [$]12, [$]19, R[0-9]+"
	v[i] = (v[i] >> 6) & 0xFF000
	i++
	// ppc64x: "MOVW\tR0"

			{".debug_ranges", SHT_PROGBITS, 0x0, 0x0, 0xe80, 0x90, 0x0, 0x0, 0x10, 0x0, 0x90},
			{".shstrtab", SHT_STRTAB, 0x0, 0x0, 0xf10, 0x149, 0x0, 0x0, 0x1, 0x0, 0x149},
			{".symtab", SHT_SYMTAB, 0x0, 0x0, 0x19a0, 0x6f0, 0x24, 0x39, 0x8, 0x18, 0x6f0},
			{".strtab", SHT_STRTAB, 0x0, 0x0, 0x2090, 0x1fc, 0x0, 0x0, 0x1, 0x0, 0x1fc},
		},
		[]ProgHeader{

	ADDQ DX, R12
end:
	MOVQ R12, (R8)
	RET

// handle for lengths < 16
small:
	TESTQ	BX, BX
	JEQ	endzero

	// Check if we'll load across a page boundary.
	LEAQ	16(SI), AX
	TESTW	$0xff0, AX
	JEQ	endofpage

	// We must ignore high bytes as they aren't part of our slice.
	// Create mask.
	MOVB BX, CX
	MOVQ $1, R10
	SALQ CL, R10
	SUBQ $1, R10

	// Load data
	MOVOU	(SI), X1

	a[i] = bits.RotateLeft32(a[i], 16) & 0xFF0000
	i++
	// ppc64x: "RLWNM\t[$]16, R[0-9]+, [$]8, [$]15, R[0-9]+"
	a[i] = bits.RotateLeft32(a[i]&0xFF, 16)
	i++
	// ppc64x: "RLWNM\t[$]4, R[0-9]+, [$]20, [$]27, R[0-9]+"
	a[i] = bits.RotateLeft32(a[i], 4) & 0xFF0
	i++
	// ppc64x: "RLWNM\t[$]16, R[0-9]+, [$]24, [$]31, R[0-9]+"
	a[i] = bits.RotateLeft32(a[i]&0xFF0000, 16)
	i++

      <match value="0xfffa" type="string" offset="0"/> <!-- V1, L3, CRC -->
      <match value="0xfffb" type="string" offset="0"/> <!-- V1, L3      -->
      <match value="0xfffc" type="string" offset="0"/> <!-- V1, L2, CRC -->
      <match value="0xfffd" type="string" offset="0"/> <!-- V1, L2      -->
      <match value="0xffe3" type="string" offset="0"/> <!-- MP3 2.5 from pronom     -->

	SHN_XINDEX    SectionIndex = 0xffff /* Escape; index stored elsewhere. */
	SHN_HIRESERVE SectionIndex = 0xffff /* Last of reserved range. */
)

var shnStrings = []intName{
	{0, "SHN_UNDEF"},
	{0xff00, "SHN_LOPROC"},
	{0xff20, "SHN_LOOS"},
	{0xfff1, "SHN_ABS"},
	{0xfff2, "SHN_COMMON"},
	{0xffff, "SHN_XINDEX"},
}

	// returns values in the range [0, 0xffff] instead of [0, 0xff].

	w := 0xffff - uint32(c.K)*0x101
	r := (0xffff - uint32(c.C)*0x101) * w / 0xffff
	g := (0xffff - uint32(c.M)*0x101) * w / 0xffff
	b := (0xffff - uint32(c.Y)*0x101) * w / 0xffff
	return r, g, b, 0xffff
}

// CMYKModel is the [Model] for CMYK colors.
var CMYKModel Model = ModelFunc(cmykModel)

func cmykModel(c Color) Color {
	if _, ok := c.(CMYK); ok {