ld = ppc64.ALWAR
			st = ppc64.ASTWCCC
		}
		r0 := v.Args[0].Reg()
		r1 := v.Args[1].Reg()
		// LWSYNC - Assuming shared data not write-through-required nor
		// caching-inhibited. See Appendix B.2.2.2 in the ISA 2.07b.
		plwsync := s.Prog(ppc64.ALWSYNC)
		plwsync.To.Type = obj.TYPE_NONE
		// LBAR or LWAR
		p := s.Prog(ld)
		p.From.Type = obj.TYPE_MEM
		p.From.Reg = r0
		p.To.Type = obj.TYPE_REG

	inlineToStringID  []uint64
	builtinToStringID []uint64
}

const (
	// Block reasons
	sForever = iota
	sPreempted
	sGosched
	sSleep
	sChanSend
	sChanRecv
	sNetwork
	sSync
	sSyncCond
	sSelect
	sEmpty
	sMarkAssistWait

	// STW kinds
	sSTWUnknown
	sSTWGCMarkTermination
	sSTWGCSweepTermination
	sSTWWriteHeapDump
	sSTWGoroutineProfile
	sSTWGoroutineProfileCleanup

	SYNC                            // 7c0004ac
	ISYNC                           // 4c00012c
	LWSYNC                          // 7c2004ac
	EIEIO                           // 7c0006ac
	PTESYNC                         // 7c4004ac
	TLBIE R3                        // 7c001a64
	TLBIEL R3                       // 7c001a24
	TLBSYNC                         // 7c00046c
	HRFID                           // 4c000224

		{name: "LoweredAtomicLoadPtr", argLength: 2, reg: gpload, typ: "Int64", aux: "Int64", clobberFlags: true, faultOnNilArg0: true},

		// atomic add32, 64
		// LWSYNC
		// LDAR         (Rarg0), Rout
		// ADD		Rarg1, Rout
		// STDCCC       Rout, (Rarg0)
		// BNE          -3(PC)
		// return new sum

			ATLBIEL,
			ASLBIA,
			ASLBIE,
			ASLBMFEE,
			ASLBMFEV,
			ASLBMTE,
			ADCBF,
			ADCBI,
			ADCBST,
			ADCBT,
			ADCBTST,
			ADCBZ,
			ASYNC,
			ATLBSYNC,
			APTESYNC,
			ALWSYNC,
			ATW,
			AWORD,
			ARFI,
			ARFCI,
			ARFID,
			AHRFID:
			q = p
			p.Mark |= LABEL | SYNC
			continue

		case AMOVW, AMOVWZ, AMOVD:
			q = p

			opset(ASUBCVCC, r0)
			opset(ASUBE, r0)
			opset(ASUBECC, r0)
			opset(ASUBEV, r0)
			opset(ASUBEVCC, r0)

		case ASYNC:
			opset(AISYNC, r0)
			opset(ALWSYNC, r0)
			opset(APTESYNC, r0)
			opset(ATLBSYNC, r0)

		case ARLWNM:
			opset(ARLWNMCC, r0)
			opset(ARLWMI, r0)
			opset(ARLWMICC, r0)

		case ARLDMI:
			opset(ARLDMICC, r0)
			opset(ARLDIMI, r0)

			outputs: []outputInfo{
				{0, 536870912}, // R29
			},
		},
	},
	{
		name:           "LoweredPubBarrier",
		argLen:         1,
		hasSideEffects: true,
		asm:            ppc64.ALWSYNC,
		reg:            regInfo{},
	},
	{
		name:    "LoweredPanicBoundsA",
		auxType: auxInt64,
		argLen:  3,
		call:    true,
		reg: regInfo{
			inputs: []inputInfo{