gpg        = gp | buildReg("g")
		gpsp       = gp | buildReg("SP")
		gpspg      = gpg | buildReg("SP")
		gpspsbg    = gpspg | buildReg("SB")
		fp         = buildReg("F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31")
		lo         = buildReg("LO")
		hi         = buildReg("HI")

		gpg        = gp | buildReg("g")
		gpsp       = gp | buildReg("SP")
		gpspg      = gpg | buildReg("SP")
		gpspsbg    = gpspg | buildReg("SB")
		fp         = buildReg("F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31")
		callerSave = gp | fp | buildReg("g") // runtime.setg (and anything calling it) may clobber g

		fp  = buildReg("F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30")
		sp  = buildReg("SP")
		sb  = buildReg("SB")
		gr  = buildReg("g")
		xer = buildReg("XER")
		// cr  = buildReg("CR")
		// ctr = buildReg("CTR")
		// lr  = buildReg("LR")
		tmp     = buildReg("R31")
		ctxt    = buildReg("R11")
		callptr = buildReg("R12")
		// tls = buildReg("R13")

		gpg        = gp | buildReg("g")
		gpsp       = gp | buildReg("SP")
		gpspg      = gpg | buildReg("SP")
		gpspsbg    = gpspg | buildReg("SB")
		fp         = buildReg("F0 F2 F4 F6 F8 F10 F12 F14 F16 F18 F20 F22 F24 F26 F28 F30")
		lo         = buildReg("LO")
		hi         = buildReg("HI")
		callerSave = gp | fp | lo | hi | buildReg("g") // runtime.setg (and anything calling it) may clobber g
		r1         = buildReg("R1")

		gpsp       = gp | buildReg("SP")
		gpspg      = gpg | buildReg("SP")
		gpspsbg    = gpspg | buildReg("SB")
		fp         = buildReg("F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15")
		callerSave = gp | fp | buildReg("g") // runtime.setg (and anything calling it) may clobber g
		r0         = buildReg("R0")
		r1         = buildReg("R1")
		r2         = buildReg("R2")
		r3         = buildReg("R3")
		r4         = buildReg("R4")
	)

        given:
        expectEvent("started1")
        expectEvent("started2")
        buildFile << """
            task block {
                def buildNum = providers.gradleProperty("buildNum")
                doLast {
                    new URL("${getUrl('started')}\${buildNum.get()}").text

                    // Block indefinitely for the daemon to appear busy

		si         = buildReg("SI")
		gp         = buildReg("AX CX DX BX BP SI DI")
		fp         = buildReg("X0 X1 X2 X3 X4 X5 X6 X7")
		gpsp       = gp | buildReg("SP")
		gpspsb     = gpsp | buildReg("SB")
		callerSave = gp | fp
	)
	// Common slices of register masks
	var (
		gponly = []regMask{gp}
		fponly = []regMask{fp}
	)

	// Common regInfo
	var (
		gp01      = regInfo{inputs: nil, outputs: gponly}

		fp64   = buildReg("F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31")
		gpsp   = gp | buildReg("SP")
		gpspsb = gpsp | buildReg("SB")
		// The "registers", which are actually local variables, can get clobbered
		// if we're switching goroutines, because it unwinds the WebAssembly stack.
		callerSave = gp | fp32 | fp64 | buildReg("g")
	)

	// Common regInfo
	var (
		gp01      = regInfo{inputs: nil, outputs: []regMask{gp}}

	return sh.CopyFile(dst, src, perm, force)
}

// copyFile is like 'cp src dst'.
func (sh *Shell) CopyFile(dst, src string, perm fs.FileMode, force bool) error {
	if cfg.BuildN || cfg.BuildX {
		sh.ShowCmd("", "cp %s %s", src, dst)
		if cfg.BuildN {
			return nil
		}
	}

	sf, err := os.Open(src)
	if err != nil {
		return err
	}
	defer sf.Close()

	// Be careful about removing/overwriting dst.

				tpchs = append(tpchs, make(chan error, 1))
			}
			for i := 0; i < N; i++ {
				ch := tpchs[i]
				handler := func(ls *localServer, ln Listener) { ls.transponder(ln, ch) }
				if err := lss[i].buildup(handler); err != nil {
					t.Fatal(err)
				}
			}

			var trchs []chan error
			for i := 0; i < N; i++ {
				_, port, err := SplitHostPort(lss[i].Listener.Addr().String())
				if err != nil {