FMOVSX F1, (R3)(R0)             // 7c201fae
	FMOVSX F1, (R3)                 // 7c201fae
	FADD F1, F2                     // fc42082a
	FADD F1, F2, F3                 // fc62082a
	FADDCC F1, F2, F3               // fc62082b
	FMOVDCC F1, F2                  // fc400891
	FADDS F1, F2                    // ec42082a
	FADDS F1, F2, F3                // ec62082a
	FADDSCC F1, F2, F3              // ec62082b

	)

	var S390Xops = []opData{
		// fp ops
		{name: "FADDS", argLength: 2, reg: fp21clobber, typ: "(Float32,Flags)", asm: "FADDS", commutative: true, resultInArg0: true}, // fp32 arg0 + arg1
		{name: "FADD", argLength: 2, reg: fp21clobber, typ: "(Float64,Flags)", asm: "FADD", commutative: true, resultInArg0: true},   // fp64 arg0 + arg1

		{name: "UMODW", argLength: 2, reg: gp21, asm: "UREMW"},                                                        // arg0 % arg1, unsigned, 32 bit

		{name: "FADDS", argLength: 2, reg: fp21, asm: "FADDS", commutative: true},   // arg0 + arg1
		{name: "FADDD", argLength: 2, reg: fp21, asm: "FADDD", commutative: true},   // arg0 + arg1
		{name: "FSUBS", argLength: 2, reg: fp21, asm: "FSUBS"},                      // arg0 - arg1

(Select0 (F(ADDS|SUBS) (FMULS y z) x)) && x.Block.Func.useFMA(v) => (FM(ADDS|SUBS) x y z)

// Convert floating point comparisons against zero into 'load and test' instructions.
(F(CMP|CMPS) x (FMOV(D|S)const [0.0])) => (LT(D|E)BR x)
(F(CMP|CMPS) (FMOV(D|S)const [0.0]) x) => (InvertFlags (LT(D|E)BR <v.Type> x))

// FSUB, FSUBS, FADD, FADDS now produce a condition code representing the

//
(Add(Ptr|64|32|16|8) ...) => (ADD ...)
(Add64F ...) => (FADD ...)
(Add32F ...) => (FADDS ...)

(Sub(Ptr|64|32|16|8) ...) => (SUB ...)
(Sub32F ...) => (FSUBS ...)
(Sub64F ...) => (FSUB ...)

(Min(32|64)F x y) && buildcfg.GOPPC64 >= 9 => (XSMINJDP x y)
(Max(32|64)F x y) && buildcfg.GOPPC64 >= 9 => (XSMAXJDP x y)

// Combine 64 bit integer multiply and adds

	FNMADDD	F1, F3, F2, F4                  // 440c611f
	FNMSUBS	F1, F3, F2, F4                  // 448c211f
	FNMSUBD	F1, F3, F2, F4                  // 448c611f
	FADDS	F2, F3, F4                      // 6428221e
	FADDD	F1, F2                          // 4228611e
	VDUP	V19.S[0], V17.S4                // 7106044e
	VTRN1	V3.D2, V2.D2, V20.D2            // 5428c34e
	VTRN2	V3.D2, V2.D2, V21.D2            // 5568c34e

        }
    }

    /**
     * Adds a plugin to be applied
     *
     * @param comment A description of why the plugin is required
     */
    public BuildScriptBuilder plugin(@Nullable String comment, String pluginId) {
        block.plugins.add(new PluginSpec(pluginId, null, comment));
        return this;
    }

    /**

    int GetResultIndexForEdge(const Edge* edge) const;

    // Creates an _Arg node for the src node of edge, and add its index to
    // args_by_src_, if none exists yet. Also adds its index to args_by_dst_,
    // and adds the edge within the subgraph from the _Arg node to the image of
    // the dst node.
    Status RecordArg(const Edge* edge,
                     const absl::flat_hash_map<const Node*, Node*>& node_images,

	case sectionAdditionals:
		count = &b.header.additionals
		err = errTooManyAdditionals
	}
	if *count == ^uint16(0) {
		return err
	}
	*count++
	return nil
}

// Question adds a single Question.
func (b *Builder) Question(q Question) error {
	if b.section < sectionQuestions {
		return ErrNotStarted
	}
	if b.section > sectionQuestions {
		return ErrSectionDone
	}

	}

	tests := []struct {
		name             string
		batchPeriod      time.Duration
		adds             []podAdd
		finalDelay       time.Duration
		wantRequestCount int
	}{
		{
			name:        "three adds with no batching",
			batchPeriod: 0 * time.Second,
			adds: []podAdd{
				{
					// endpoints.Run needs ~100 ms to start processing updates.
					delay: 200 * time.Millisecond,