}
}

func TestDrawOverlap(t *testing.T) {
	for _, op := range []Op{Over, Src} {
		for yoff := -2; yoff <= 2; yoff++ {
		loop:
			for xoff := -2; xoff <= 2; xoff++ {
				m := gradYellow(127).(*image.RGBA)
				dst := m.SubImage(image.Rect(5, 5, 10, 10)).(*image.RGBA)
				src := m.SubImage(image.Rect(5+xoff, 5+yoff, 10+xoff, 10+yoff)).(*image.RGBA)
				b := dst.Bounds()

		ycbcr, _ := m.(*image.YCbCr)
		for y := bounds.Min.Y; y < bounds.Max.Y; y += 16 {
			for x := bounds.Min.X; x < bounds.Max.X; x += 16 {
				for i := 0; i < 4; i++ {
					xOff := (i & 1) * 8
					yOff := (i & 2) * 4
					p := image.Pt(x+xOff, y+yOff)
					if rgba != nil {
						rgbaToYCbCr(rgba, p, &b, &cb[i], &cr[i])
					} else if ycbcr != nil {
						yCbCrToYCbCr(ycbcr, p, &b, &cb[i], &cr[i])
					} else {

                        long ioff = 0;
                        for ( int i = 0; i < chunks; i++ ) {
                            long absoff = ooff + ioff;
                            int csize = i == chunks - 1 ? lastChunkSize : maxChunkSize;
                            chunkInfo[ i ] = new SrvCopychunk(absoff, absoff, csize);
                            ioff += maxChunkSize;
                        }

}

// like staticassign but we are copying an already
// initialized value r.
func (s *Schedule) staticcopy(l *ir.Name, loff int64, rn *ir.Name, typ *types.Type) bool {
	if rn.Class == ir.PFUNC {
		// TODO if roff != 0 { panic }
		staticdata.InitAddr(l, loff, staticdata.FuncLinksym(rn))
		return true
	}
	if rn.Class != ir.PEXTERN || rn.Sym().Pkg != types.LocalPkg {
		return false
	}

	off := objw.Uint32(lsym, 0, uint32(nbitmap))
	off = objw.Uint32(lsym, off, uint32(bv.N))
	off = objw.BitVec(lsym, off, bv)

	if fn.Type().NumResults() > 0 {
		for _, p := range abiInfo.OutParams() {
			if len(p.Registers) == 0 {
				typebits.SetNoCheck(p.Type, p.FrameOffset(abiInfo), bv)
			}
		}
		off = objw.BitVec(lsym, off, bv)
	}

Shinsuke Sugaya <******@****.***> 1576358545 +0900

// It's the caller responsibility to make sure lsym is from ONAME node.
func InitSlice(n *ir.Name, noff int64, lsym *obj.LSym, lencap int64) {
	s := n.Linksym()
	s.WriteAddr(base.Ctxt, noff, types.PtrSize, lsym, 0)
	s.WriteInt(base.Ctxt, noff+types.SliceLenOffset, types.PtrSize, lencap)
	s.WriteInt(base.Ctxt, noff+types.SliceCapOffset, types.PtrSize, lencap)
}

	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) {
	r0, _, e1 := Syscall6(SYS_SPLICE, uintptr(rfd), uintptr(unsafe.Pointer(roff)), uintptr(wfd), uintptr(unsafe.Pointer(woff)), uintptr(len), uintptr(flags))
	n = int64(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

Shinsuke Sugaya <******@****.***> 1576358545 +0900

	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) {
	r0, _, e1 := Syscall6(SYS_SPLICE, uintptr(rfd), uintptr(unsafe.Pointer(roff)), uintptr(wfd), uintptr(unsafe.Pointer(woff)), uintptr(len), uintptr(flags))
	n = int64(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}