for n := 1; n <= 1024; n++ {
		if n > 16 && testing.Short() {
			n += n >> 3
		}
		for alignP := 0; alignP < 8; alignP++ {
			for alignQ := 0; alignQ < 8; alignQ++ {
				for alignD := 0; alignD < 8; alignD++ {
					p := make([]byte, alignP+n, alignP+n+10)[alignP:]
					q := make([]byte, alignQ+n, alignQ+n+10)[alignQ:]
					if n&1 != 0 {
						p = p[:n]
					} else {
						q = q[:n]
					}

}

// stdSizes is used if Config.Sizes == nil.
var stdSizes = SizesFor("gc", "amd64")

func (conf *Config) alignof(T Type) int64 {
	f := stdSizes.Alignof
	if conf.Sizes != nil {
		f = conf.Sizes.Alignof
	}
	if a := f(T); a >= 1 {
		return a
	}
	panic("implementation of alignof returned an alignment < 1")
}

func (conf *Config) offsetsof(T *Struct) []int64 {
	var offsets []int64

}

// stdSizes is used if Config.Sizes == nil.
var stdSizes = SizesFor("gc", "amd64")

func (conf *Config) alignof(T Type) int64 {
	f := stdSizes.Alignof
	if conf.Sizes != nil {
		f = conf.Sizes.Alignof
	}
	if a := f(T); a >= 1 {
		return a
	}
	panic("implementation of alignof returned an alignment < 1")
}

func (conf *Config) offsetsof(T *Struct) []int64 {
	var offsets []int64

	var offs int64
	for i, f := range fields {
		if offs < 0 {
			// all remaining offsets are too large
			offsets[i] = -1
			continue
		}
		// offs >= 0
		a := s.Alignof(f.typ)
		offs = align(offs, a) // possibly < 0 if align overflows
		offsets[i] = offs
		if d := s.Sizeof(f.typ); d >= 0 && offs >= 0 {
			offs += d // ok to overflow to < 0
		} else {
			offs = -1 // f.typ or offs is too large
		}
	}

	var offs int64
	for i, f := range fields {
		if offs < 0 {
			// all remaining offsets are too large
			offsets[i] = -1
			continue
		}
		// offs >= 0
		a := s.Alignof(f.typ)
		offs = align(offs, a) // possibly < 0 if align overflows
		offsets[i] = offs
		if d := s.Sizeof(f.typ); d >= 0 && offs >= 0 {
			offs += d // ok to overflow to < 0
		} else {
			offs = -1 // f.typ or offs is too large
		}
	}

	CMPQ CX, $8
	JL less_than_8

	MOVQ SI, BX
	ANDQ $7, BX
	JZ aligned

	// Process the first few bytes to 8-byte align the input.

	// BX = 8 - BX. We need to process this many bytes to align.
	SUBQ $1, BX
	XORQ $7, BX

	BTQ $0, BX
	JNC align_2

	CRC32B (SI), AX
	DECQ CX
	INCQ SI

align_2:
	BTQ $1, BX
	JNC align_4

	CRC32W (SI), AX

	SUBQ $2, CX
	ADDQ $2, SI

align_4:

	if len(p) >= 4*vecMinLen {
		// If not aligned then process the initial unaligned bytes

		if uint64(uintptr(unsafe.Pointer(&p[0])))&uint64(vecAlignMask) != 0 {
			align := uint64(uintptr(unsafe.Pointer(&p[0]))) & uint64(vecAlignMask)
			newlen := vecMinLen - align
			crc = ppc64SlicingUpdateBy8(crc, archCastagnoliTable8, p[:newlen])
			p = p[newlen:]
		}
		// p should be aligned now
		aligned := len(p) & ^vecAlignMask

Keith Randall <******@****.***> 1523294715 -0700

                            it.belongsTo("aligned-group:nebula:\${it.getId().getVersion()}")
                        }
                        if (it.getId().getGroup().startsWith("proto")) {
                            it.belongsTo("aligned-group:proto:\${it.getId().getVersion()}")
                        }
                        if (it.getId().getGroup().startsWith("align")) {

	//
	// The base address of the backing store is always page-aligned,
	// because it comes from the OS, so it's sufficient to align the
	// index.
	haveMin := s.min.Load()
	haveMax := s.max.Load()
	needMin := alignDown(uintptr(chunkIndex(base)), physPageSize/scSize)
	needMax := alignUp(uintptr(chunkIndex(limit)), physPageSize/scSize)