t.Errorf("Yn(0, 0) = %g, want %g", f, Inf(-1))
	}
}

var PortableFMA = FMA // hide call from compiler intrinsic; falls back to portable code

func TestFMA(t *testing.T) {
	for _, c := range fmaC {
		got := FMA(c.x, c.y, c.z)
		if !alike(got, c.want) {
			t.Errorf("FMA(%g,%g,%g) == %g; want %g", c.x, c.y, c.z, got, c.want)
		}
		got = PortableFMA(c.x, c.y, c.z)

	// FCMP <Sn>, <Sm>
	{0xffe0fc1f, 0x1e202000, FCMP, instArgs{arg_Sn, arg_Sm}, nil},
	// FCMP <Sn>, #0.0
	{0xffe0fc1f, 0x1e202008, FCMP, instArgs{arg_Sn, arg_immediate_floatzero}, nil},
	// FCMP <Dn>, <Dm>
	{0xffe0fc1f, 0x1e602000, FCMP, instArgs{arg_Dn, arg_Dm}, nil},
	// FCMP <Dn>, #0.0
	{0xffe0fc1f, 0x1e602008, FCMP, instArgs{arg_Dn, arg_immediate_floatzero}, nil},

	TLS bool
}

// Set of filter chain match options used for various combinations.
var (
	// Same as inboundPermissiveFilterChainMatchOptions except for following case:
	// FCM 3: ALPN [istio-peer-exchange, istio] Transport protocol: tls            --> TCP traffic from sidecar over TLS
	inboundPermissiveFilterChainMatchWithMxcOptions = []FilterChainMatchOptions{
		{

		opts := getFilterChainMatchOptions(mtls, lp)
		chains := lb.inboundChainForOpts(cc, mtls, opts)
		for _, c := range chains {
			fcm := c.GetFilterChainMatch()
			if fcm != nil {
				// Clear out settings that do not matter anymore
				fcm.TransportProtocol = ""
			}
		}
		l.FilterChains = append(l.FilterChains, chains...)
	}

	case ACMPEQF:
		return 0x0c1<<20 | 0x4<<15 // FCMP.CEQ.S
	case ACMPEQD:
		return 0x0c2<<20 | 0x4<<15 // FCMP.CEQ.D
	case ACMPGED:
		return 0x0c2<<20 | 0x7<<15 // FCMP.SLE.D
	case ACMPGEF:
		return 0x0c1<<20 | 0x7<<15 // FCMP.SLE.S
	case ACMPGTD:
		return 0x0c2<<20 | 0x3<<15 // FCMP.SLT.D
	case ACMPGTF:
		return 0x0c1<<20 | 0x3<<15 // FCMP.SLT.S

	case ASQRTF:
		return 0x4511 << 10

 */
const (
	BIG = 32768 - 8
)

const (
	/* mark flags */
	LABEL    = 1 << 0
	LEAF     = 1 << 1
	FLOAT    = 1 << 2
	BRANCH   = 1 << 3
	LOAD     = 1 << 4
	FCMP     = 1 << 5
	SYNC     = 1 << 6
	LIST     = 1 << 7
	FOLL     = 1 << 8
	NOSCHED  = 1 << 9
	PFX_X64B = 1 << 10 // A prefixed instruction crossing a 64B boundary
)

// Values for use in branch instruction BC

	REG_V28: 92,
	REG_V29: 93,
	REG_V30: 94,
	REG_V31: 95,
}

const (
	BIG = 2048 - 8
)

const (
	/* mark flags */
	LABEL = 1 << iota
	LEAF
	FLOAT
	BRANCH
	LOAD
	FCMP
	SYNC
	LIST
	FOLL
	NOSCHED
)

const (
	// optab is sorted based on the order of these constants
	// and the first match is chosen.
	// The more specific class needs to come earlier.

		args[2] = args[3]
		return op + " " + args[1] + ", " + args[2] + ", " + args[0]

	case FCCMP, FCCMPE:
		args[0], args[1] = args[1], args[0]
		fallthrough

	case FCMP, FCMPE:
		if _, ok := inst.Args[1].(Imm); ok {
			args[1] = "$(0.0)"
		}
		fallthrough

	case FADD, FSUB, FMUL, FNMUL, FDIV, FMAX, FMIN, FMAXNM, FMINNM, FCSEL, FMADD, FMSUB, FNMADD, FNMSUB:

	E_FCR   = 1 << 1
	E_MCR   = 1 << 2
	E_MEM   = 1 << 3
	E_MEMSP = 1 << 4 /* uses offset and size */
	E_MEMSB = 1 << 5 /* uses offset and size */
	ANYMEM  = E_MEM | E_MEMSP | E_MEMSB
	//DELAY = LOAD|BRANCH|FCMP
	DELAY = BRANCH /* only schedule branch */
)

type Dep struct {
	ireg uint32
	freg uint32
	cc   uint32
}

type Sch struct {
	p       obj.Prog
	set     Dep
	used    Dep

				"audio/mpeg4-generic",
				"audio/ogg",
				"audio/vorbis",
				"audio/x-oggflac",
				"audio/x-oggpcm",
				"audio/opus",
				"audio/speex",
				"audio/parityfec",
				"audio/pcma",
				"audio/pcma-wb",
				"audio/pcmu-wb",
				"audio/pcmu",
				"audio/prs.sid",
				"audio/qcelp",
				"audio/red",
				"audio/rtp-enc-aescm128",
				"audio/rtp-midi",
				"audio/rtx",