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	// Flag to evenly distribute CPUs across NUMA nodes in cases where more
	// than one NUMA node is required to satisfy the allocation.
	DistributeCPUsAcrossNUMA bool
	// Flag to ensure CPUs are considered aligned at socket boundary rather than
	// NUMA boundary
	AlignBySocket bool
}

// NewStaticPolicyOptions creates a StaticPolicyOptions struct from the user configuration.

// will be returned.
func (r RotateParams) OutMerge(mask uint64) *RotateParams {
	mask &= r.OutMask()
	if mask == 0 {
		return nil
	}

	// normalize the mask so that the set bits are left aligned
	o := bits.LeadingZeros64(^mask)
	mask = bits.RotateLeft64(mask, o)
	z := bits.LeadingZeros64(mask)
	mask = bits.RotateLeft64(mask, z)

	// check that the normalized mask is contiguous
	l := bits.LeadingZeros64(^mask)

	return pinState{bytep, byteVal, mask}
}

func (s *mspan) pinnerBitSize() uintptr {
	return divRoundUp(uintptr(s.nelems)*2, 8)
}

// newPinnerBits returns a pointer to 8 byte aligned bytes to be used for this
// span's pinner bits. newPinnerBits is used to mark objects that are pinned.
// They are copied when the span is swept.
func (s *mspan) newPinnerBits() *pinnerBits {

	ADD	R2, R6		// R2 is current byte in a, R6 is the end of the range to compare
	BLT	byte_loop	// length < 4
	AND	$3, R2, R8
	CMP	$0, R8
	BNE	byte_loop	// unaligned a, use byte-wise compare (TODO: try to align a)
aligned_a:
	AND	$3, R3, R8
	CMP	$0, R8
	BNE	byte_loop	// unaligned b, use byte-wise compare
	AND	$0xfffffffc, R6, R8
	// length >= 4
chunk4_loop:
	MOVW.P	4(R2), R4
	MOVW.P	4(R3), R5
	CMP	R4, R5
	BNE	cmp

		// passed as two words (little endian); and
		// structs are pushed on the stack. In
		// fastcall, arguments larger than the word
		// size are passed by reference. On arm,
		// 8-byte aligned arguments round up to the
		// next even register and can be split across
		// registers and the stack.
		panic("compileCallback: argument size is larger than uintptr")
	}

	//         |
	//         SI+R11, where R11 = ((DI & -32) + 32) - DI
	// Algorithm:
	// 1. Unaligned save of the tail's 128 bytes
	// 2. Unaligned save of the head's 32  bytes
	// 3. Destination-aligned copying of body (128 bytes per iteration)
	// 4. Put head on the new place
	// 5. Put the tail on the new place
	// It can be important to satisfy processor's pipeline requirements for

        }

        return this.size;
    }


    private static String readString ( byte[] buffer, int bufferIndex, int len ) {
        // this is not absolutely correct, but we assume that the header is aligned
        if ( ( bufferIndex % 2 ) != 0 ) {
            bufferIndex++;
        }
        return Strings.fromUNIBytes(buffer, bufferIndex, Strings.findUNITermination(buffer, bufferIndex, len));
    }

func (p *pageAlloc) sysGrow(base, limit uintptr) {
	if base%pallocChunkBytes != 0 || limit%pallocChunkBytes != 0 {
		print("runtime: base = ", hex(base), ", limit = ", hex(limit), "\n")
		throw("sysGrow bounds not aligned to pallocChunkBytes")
	}

	// Walk up the tree and update the summary slices.
	for l := len(p.summary) - 1; l >= 0; l-- {
		// Figure out what part of the summary array this new address space needs.

}

const pre = `// Code generated by go run gen.go; DO NOT EDIT.

package imageutil

import (
	"image"
)

// DrawYCbCr draws the YCbCr source image on the RGBA destination image with
// r.Min in dst aligned with sp in src. It reports whether the draw was
// successful. If it returns false, no dst pixels were changed.
//
// This function assumes that r is entirely within dst's bounds and the