(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

	if s.StatusReporter != nil {
		s.StatusReporter.RegisterEvent(con.ID(), req.TypeUrl, req.ResponseNonce)
	}

	shouldRespond := s.shouldRespondDelta(con, req)
	if !shouldRespond {
		return nil
	}

	subs, _ := deltaWatchedResources(nil, req)
	request := &model.PushRequest{
		Full:   true,
		Push:   con.proxy.LastPushContext,
		Reason: model.NewReasonStats(model.ProxyRequest),

		// F extension.
		{name: "FADDS", argLength: 2, reg: fp21, asm: "FADDS", commutative: true, typ: "Float32"},                                           // arg0 + arg1
		{name: "FSUBS", argLength: 2, reg: fp21, asm: "FSUBS", commutative: false, typ: "Float32"},                                          // arg0 - arg1

		// stack guard to incorrectly succeed. We explicitly
		// guard against underflow.
		//
		//	SUBS	$(framesize-StackSmall), SP, RT2
		//	// On underflow, jump to morestack
		//	BLO	label_of_call_to_morestack
		//	CMP	stackguard, RT2

		p = obj.Appendp(p, c.newprog)
		p.As = ASUBS
		p.From.Type = obj.TYPE_CONST
		p.From.Offset = int64(framesize) - abi.StackSmall
		p.Reg = REGSP

{"Name":"SUBS (extended register)","Bits":"0|1|1|0|1|0|1|1|0|0|1|Rm:5|option:3|imm3:3|Rn:5|Rd:5","Arch":"32-bit variant","Syntax":"SUBS <Wd>, <Wn|WSP>, <Wm>{, <extend> {#<amount>}}","Code":"","Alias":"This instruction is used by the alias CMP (extended register)."},

    fi
}

function indent() {
    while read -r X; do
        echo "    ${X}"
    done
}

function codegen::subprojects() {
    # Call generation on sub-projects.
    local subs=(
        staging/src/k8s.io/code-generator/examples
        staging/src/k8s.io/kube-aggregator
        staging/src/k8s.io/sample-apiserver
        staging/src/k8s.io/sample-controller
        staging/src/k8s.io/metrics

While the former are usually checked into source control, the latter are transient files Gradle uses to support features like incremental builds.

The anatomy of a typical project root directory looks as follows:

[listing,subs=+macros]
----
├── .gradle // <1>
│   ├── 4.8 // <2>
│   ├── 4.9 // <2>
│   └── ⋮
├── build   // <3>
├── gradle
│   └── wrapper // <4>
├── gradle.properties   // <5>
├── gradlew // <6>

	ASTLR
	ASTLRB
	ASTLRH
	ASTLRW
	ASTLXP
	ASTLXPW
	ASTLXR
	ASTLXRB
	ASTLXRH
	ASTLXRW
	ASTP
	ASTPW
	ASTXP
	ASTXPW
	ASTXR
	ASTXRB
	ASTXRH
	ASTXRW
	ASUB
	ASUBS
	ASUBSW
	ASUBW
	ASVC
	ASWPAB
	ASWPAD
	ASWPAH
	ASWPALB
	ASWPALD
	ASWPALH
	ASWPALW
	ASWPAW
	ASWPB
	ASWPD
	ASWPH
	ASWPLB
	ASWPLD
	ASWPLH
	ASWPLW
	ASWPW

		{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
		{name: "FSUBD", argLength: 2, reg: fp21, asm: "FSUBD"},                      // arg0 - arg1

	FLW	4(X5), F0				// 07a04200
	FSW	F0, (X5)				// 27a00200
	FSW	F0, 4(X5)				// 27a20200

	// 11.6: Single-Precision Floating-Point Computational Instructions
	FADDS	F1, F0, F2				// 53011000
	FSUBS	F1, F0, F2				// 53011008
	FMULS	F1, F0, F2				// 53011010
	FDIVS	F1, F0, F2				// 53011018
	FMINS	F1, F0, F2				// 53011028
	FMAXS	F1, F0, F2				// 53111028
	FSQRTS	F0, F1					// d3000058