// TODO(gri) having a combined add-and-shift primitive
	//           could make this code significantly faster
	switch {
	case ex < ey:
		if al {
			t := nat(nil).shl(y.mant, uint(ey-ex))
			z.mant = z.mant.add(x.mant, t)
		} else {
			z.mant = z.mant.shl(y.mant, uint(ey-ex))
			z.mant = z.mant.add(x.mant, z.mant)
		}
	default:
		// ex == ey, no shift needed
		z.mant = z.mant.add(x.mant, y.mant)

				expectedByName:       sets.New("shirt1", "shirt3"),
				expectObserveRemoval: sets.New("shirt1"), // shirt 1 is deleted
			},
			{
				version:        version,
				fieldSelector:  "spec.size=M",
				expectedByName: sets.New("shirt2"),
			},
			{
				version:        version,
				fieldSelector:  "spec.branded=false",
				expectedByName: sets.New("shirt2", "shirt3"),
			},
			{

}

func newPPC64ShiftAuxInt(sh, mb, me, sz int64) int32 {
	if sh < 0 || sh >= sz {
		panic("PPC64 shift arg sh out of range")
	}
	if mb < 0 || mb >= sz {
		panic("PPC64 shift arg mb out of range")
	}
	if me < 0 || me >= sz {
		panic("PPC64 shift arg me out of range")
	}
	return int32(sh<<16 | mb<<8 | me)
}

func GetPPC64Shiftsh(auxint int64) int64 {

//		Encoding:
//			type = TYPE_TEXTSIZE
//			offset = x
//			val = int32(y)
//
//	reg<<shift, reg>>shift, reg->shift, reg@>shift
//		Shifted register value, for ARM and ARM64.
//		In this form, reg must be a register and shift can be a register or an integer constant.
//		Encoding:
//			type = TYPE_SHIFT
//		On ARM:
//			offset = (reg&15) | shifttype<<5 | count

			val := p.From.Offset
			shift := bits.TrailingZeros64(uint64(val))
			mask := int64(0xFFFF) << shift
			if val&mask == val || (val>>(shift+16) == -1 && (val>>shift)<<shift == val) {
				// Rewrite this value into MOVD $const>>shift, Rto; SLD $shift, Rto
				q := obj.Appendp(p, c.newprog)
				q.As = ASLD
				q.From.SetConst(int64(shift))
				q.To = p.To
				p.From.Offset >>= shift
				p = q

		out := new(Int).Lsh(in, test.shift)
		out = out.Rsh(out, test.shift)

		if !isNormalized(out) {
			t.Errorf("#%d: %v is not normalized", i, *out)
		}
		if in.Cmp(out) != 0 {
			t.Errorf("#%d: got %s want %s", i, out, in)
		}
	}
	for i, test := range lshTests {
		in, _ := new(Int).SetString(test.in, 10)
		out := new(Int).Lsh(in, test.shift)
		out.Rsh(out, test.shift)

		d = divd / divr
		// amd64:-"JMP"
		// 386:-"JMP"
		e = divd % divr
		d += e
	}
	return d, e
}

// Check that len() and cap() calls divided by powers of two are
// optimized into shifts and ands

func LenDiv1(a []int) int {
	// 386:"SHRL\t[$]10"
	// amd64:"SHRQ\t[$]10"
	// arm64:"LSR\t[$]10",-"SDIV"
	// arm:"SRL\t[$]10",-".*udiv"
	// ppc64x:"SRD"\t[$]10"
	return len(a) / 1024
}

  # Everything before "--" is an arg to docker
  until [ -z "${1-}" ] ; do
    if [[ "$1" == "--" ]]; then
      shift
      break
    fi
    docker_run_opts+=("$1")
    if [[ "$1" == "-d" || "$1" == "--detach" ]] ; then
      detach=true
    fi
    shift
  done

  # Everything after "--" is the command to run

rm -f ./runtime/runtime_defs.go

# Determine the host compiler toolchain.
eval `{grep '^(CC|LD|O)=' /$objtype/mkfile}

vflag=()
if(~ $1 -v) {
	vflag=(-v)
	shift
}

fn bootstrapenv {
	GOROOT=$GOROOT_BOOTSTRAP GO111MODULE=off GOENV=off GOOS=() GOARCH=() GOEXPERIMENT=() GOFLAGS=() $*
}

bootgo = 1.20.6
GOROOT = `{cd .. && pwd}
goroot_bootstrap_set = 'true'

	case ssa.OpPPC64CLRLSLWI:
		r := v.Reg()
		r1 := v.Args[0].Reg()
		shifts := v.AuxInt
		p := s.Prog(v.Op.Asm())
		// clrlslwi ra,rs,mb,sh will become rlwinm ra,rs,sh,mb-sh,31-sh as described in ISA
		p.From = obj.Addr{Type: obj.TYPE_CONST, Offset: ssa.GetPPC64Shiftmb(shifts)}
		p.AddRestSourceConst(ssa.GetPPC64Shiftsh(shifts))
		p.Reg = r1
		p.To.Type = obj.TYPE_REG
		p.To.Reg = r

	case ssa.OpPPC64CLRLSLDI: