v *Value // Original (preregalloc) Value stored in this register.
	c *Value // A Value equal to v which is currently in a register.  Might be v or a copy of it.
	// If a register is unused, v==c==nil
}

type regAllocState struct {
	f *Func

	sdom        SparseTree
	registers   []Register
	numRegs     register
	SPReg       register
	SBReg       register
	GReg        register
	allocatable regMask

	logger.FatalIf(getMetacacheListingRPC.Register(gm, server.GetMetacacheListingHandler), "unable to register handler")
	logger.FatalIf(getMetricsRPC.Register(gm, server.GetMetricsHandler), "unable to register handler")
	logger.FatalIf(getNetInfoRPC.Register(gm, server.GetNetInfoHandler), "unable to register handler")
	logger.FatalIf(getOSInfoRPC.Register(gm, server.GetOSInfoHandler), "unable to register handler")

    def "discover children of scope when defining scope when node matching input type is not already discovered"() {
        registry.register("dep") { it.unmanaged(Bean, new Bean()) }
        registry.register("target") { it.unmanaged(String) }
        registry.register("childA") { it.unmanaged(String) }
        registry.register("childB") { it.unmanaged(String) }

// Notes:
//  - Integer types live in the low portion of registers. Upper portions are junk.
//  - Boolean types use the low-order byte of a register. 0=false, 1=true.
//    Upper bytes are junk.
//  - When doing sub-register operations, we try to write the whole
//    destination register to avoid a partial-register write.
//  - Unused portions of AuxInt (or the Val portion of ValAndOff) are

		switch apiFunction {
		case "PostPolicy":
			// Register PostPolicy handler.
			bucket.Methods(http.MethodPost).HeadersRegexp("Content-Type", "multipart/form-data*").HandlerFunc(api.PostPolicyBucketHandler)
		case "HeadObject":
			// Register HeadObject handler.
			bucket.Methods("Head").Path("/{object:.+}").HandlerFunc(api.HeadObjectHandler)
		case "GetObject":
			// Register GetObject handler.

	//  2. zero or more register operand identifiers (I = integer
	//     register, F = float register), in uppercase
	//  3. the word "Encoding"
	//
	// For example, rIIIEncoding indicates an R-type instruction with two
	// integer register inputs and an integer register output; sFEncoding
	// indicates an S-type instruction with rs2 being a float register.

    }

    def failsWhenInterfaceIsRegistered() {
        def registry = new DefaultServiceRegistry()
        when:
        registry.register {
            it.add(Runnable)
        }

        then:
        def e = thrown(ServiceValidationException)
        e.message == "Cannot register an interface for construction."
    }

    def cachesInstancesCreatedUsingAProviderFactoryMethod() {

// BuildFuncDebugNoOptimized populates a FuncDebug object "rval" with
// entries corresponding to the register-resident input parameters for
// the function "f"; it is used when we are compiling without
// optimization but the register ABI is enabled. For each reg param,
// it constructs a 2-element location list: the first element holds
// the input register, and the second element holds the stack location

// even though that is unfair.
// Expects fairness when there is no competition, unfairness when there is competition.
func TestNoRestraint(t *testing.T) {
	metrics.Register()
	testCases := []struct {
		concurrency int
		margin      float64
		fair        bool
		name        string
	}{
		{concurrency: 10, margin: 0.001, fair: true, name: "no-competition"},

                    task.$code
                }
            }

            tasks.register("a", MyTask)
            tasks.register("b", MyTask) {
                doLast(new MyAction())
            }
            tasks.register("c") {
                doFirst(new MyAction())
            }
            tasks.register("d") {
                doFirst { $code }
            }
        """

        when: