OP_LD            = 0xe8000000 // ld
	OP_PLA_PFX       = 0x06100000 // pla (prefix instruction word)
	OP_PLA_SFX       = 0x38000000 // pla (suffix instruction word)
	OP_PLD_PFX_PCREL = 0x04100000 // pld (prefix instruction word, R=1)
	OP_PLD_SFX       = 0xe4000000 // pld (suffix instruction word)
	OP_MFLR          = 0x7c0802a6 // mflr
	OP_MTLR          = 0x7c0803a6 // mtlr
	OP_MFCTR         = 0x7c0902a6 // mfctr
	OP_MTCTR         = 0x7c0903a6 // mtctr

	LHZ: "MOVHZ", LHA: "MOVH", STH: "MOVH",
	LHZU: "MOVHZU", STHU: "MOVHU",
	LWZ: "MOVWZ", LWA: "MOVW", STW: "MOVW",
	LWZU: "MOVWZU", STWU: "MOVWU",
	LD: "MOVD", STD: "MOVD",
	LDU: "MOVDU", STDU: "MOVDU",
	LFD: "FMOVD", STFD: "FMOVD",
	LFS: "FMOVS", STFS: "FMOVS",
	LFDX: "FMOVD", STFDX: "FMOVD",
	LFDU: "FMOVDU", STFDU: "FMOVDU",
	LFDUX: "FMOVDU", STFDUX: "FMOVDU",
	LFSX: "FMOVS", STFSX: "FMOVS",

				default:
					panic(fmt.Sprintf("wrong FP register: %v", inst))
				}
			}
		}
	}

	// Move addressing mode into opcode suffix.
	suffix := ""
	switch inst.Op &^ 15 {
	case PLD, PLI, PLD_W:
		if mem, ok := inst.Args[0].(Mem); ok {
			args[0], suffix = memOpTrans(mem)
		} else {
			panic(fmt.Sprintf("illegal instruction: %v", inst))
		}

//	{
//		$7.Type = obj.TYPE_REGREG2;
//		$7.Offset = int64($9);
//		outcode($1, $2, &$3, int32($5.Reg), &$7);
//	}
	MULAWT	R1, R2, R3, R4
//
// PLD
//
//	LTYPEPLD oreg
//	{
//		outcode($1, Always, &$2, 0, &nullgen);
//	}
	PLD	(R1)
	PLD	4(R1)

//
// RET
//
//	LTYPEA cond
//	{
//		outcode($1, $2, &nullgen, 0, &nullgen);
//	}
	BEQ	2(PC)
	RET

		t.Error("internal/poll.SendFile was not called, want it to be")
		return
	}
	if !gotHandled {
		t.Error("internal/poll.SendFile did not handle the write, want it to")
		return
	}
	if &wantConn.(*TCPConn).fd.pfd != gotFD {
		t.Error("internal.poll.SendFile called with unexpected FD")
	}
}

func TestSendfile(t *testing.T) {
	ln := newLocalListener(t, "tcp")
	defer ln.Close()

	errc := make(chan error, 1)

	MOVFW.P	F0, R9             // ERROR "invalid .P suffix"
	MOVWF.W	R3, F1             // ERROR "invalid .W suffix"
	MOVW.S	F0, R9             // ERROR "invalid .S suffix"
	MOVW.U	R3, F1             // ERROR "invalid .U suffix"
	PLD.S	4(R1)              // ERROR "invalid .S suffix"
	CLZ.S	R1, R2             // ERROR "invalid .S suffix"
	MULBB.S	R0, R1, R2         // ERROR "invalid .S suffix"
	MULA.W	R9, R6, R1, g      // ERROR "invalid .W suffix"

	{0xff7ff000, 0xf55ff000, 4, PLD, 0x0, instArgs{arg_label_pm_12}},                                              // PLD <label+/-12> 1|1|1|1|0|1|0|1|U|(1)|0|1|1|1|1|1|(1)|(1)|(1)|(1)|imm12:12
	{0xff3f0000, 0xf55ff000, 3, PLD, 0x0, instArgs{arg_label_pm_12}},                                              // PLD <label+/-12> 1|1|1|1|0|1|0|1|U|(1)|0|1|1|1|1|1|(1)|(1)|(1)|(1)|imm12:12

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...

func (i Imm_prfop) String() string {
	prf_type := (i >> 3) & (1<<2 - 1)
	prf_target := (i >> 1) & (1<<2 - 1)
	prf_policy := i & 1
	var result string

	switch prf_type {
	case 0:
		result = "PLD"
	case 1:
		result = "PLI"
	case 2:
		result = "PST"
	case 3:
		return fmt.Sprintf("#%#02x", uint8(i))
	}
	switch prf_target {
	case 0:
		result += "L1"
	case 1:
		result += "L2"

		// like print unrelated messages in the middle of a TestFoo line,
		// which confuses test2json. Setting os.Stderr = os.Stdout will make
		// them share a single pfd, which will hold a lock for each program
		// write, preventing any interleaving.
		//
		// It might be nice to set Stderr = Stdout always, or perhaps if
		// we can tell they are the same file, but for now -v=json is