GO_ARGS
	// void __tsan_go_atomic32_load(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
	MOVD	$__tsan_go_atomic32_load(SB), R8
	ADD	$32, R1, R6	// addr of caller's 1st arg
	BR	racecallatomic<>(SB)
	RET

TEXT	sync∕atomic·LoadInt64(SB), NOSPLIT, $0-16
	GO_ARGS
	// void __tsan_go_atomic64_load(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
	MOVD	$__tsan_go_atomic64_load(SB), R8

			sl -= uint64(len(b))
			gwrite(b)
		}

	case debugLogConstString:
		len, ptr := int(r.uvarint()), uintptr(r.uvarint())
		ptr += firstmoduledata.etext
		// We can't use unsafe.String as it may panic, which isn't safe
		// in this (potentially) nowritebarrier context.
		str := stringStruct{
			str: unsafe.Pointer(ptr),
			len: len,
		}
		s := *(*string)(unsafe.Pointer(&str))
		print(s)

}

const (
	emptyXML = `
<Parent>
    <I></I>
    <IPtr></IPtr>
    <Is></Is>
    <IPtrs></IPtrs>
    <F></F>
    <FPtr></FPtr>
    <Fs></Fs>
    <FPtrs></FPtrs>
    <B></B>
    <BPtr></BPtr>
    <Bs></Bs>
    <BPtrs></BPtrs>
    <Bytes></Bytes>
    <BytesPtr></BytesPtr>
    <S></S>
    <SPtr></SPtr>
    <Ss></Ss>
    <SPtrs></SPtrs>
    <MyI></MyI>

	if h.B == 0 {
		// One-bucket table.
		b := (*bmap)(h.buckets)
		if key.len < 32 {
			// short key, doing lots of comparisons is ok
			for i, kptr := uintptr(0), b.keys(); i < abi.MapBucketCount; i, kptr = i+1, add(kptr, 2*goarch.PtrSize) {
				k := (*stringStruct)(kptr)
				if k.len != key.len || isEmpty(b.tophash[i]) {
					if b.tophash[i] == emptyRest {
						break
					}
					continue
				}

func Pledge(promises, execpromises string) error {
	if err := pledgeAvailable(); err != nil {
		return err
	}

	pptr, err := BytePtrFromString(promises)
	if err != nil {
		return err
	}

	exptr, err := BytePtrFromString(execpromises)
	if err != nil {
		return err
	}

	return pledge(pptr, exptr)
}

// PledgePromises implements the pledge syscall.
//

}

// needWBdst reports whether GC needs to see what used to be in *ptr when ptr is
// the target of a pointer store.
func needWBdst(ptr, mem *Value, zeroes map[ID]ZeroRegion) bool {
	// Detect storing to zeroed memory.
	var off int64
	for ptr.Op == OpOffPtr {
		off += ptr.AuxInt
		ptr = ptr.Args[0]
	}
	ptrSize := ptr.Block.Func.Config.PtrSize
	if off%ptrSize != 0 {
		return true // see issue 61187
	}

#define pTbl R0
#define tMsk R1
#define tPtr R2
#define plen R3
#define dlen R4

	MOVD	$0xC2, R1
	LSL	$56, R1
	MOVD	$1, R0
	VMOV	R1, POLY.D[0]
	VMOV	R0, POLY.D[1]
	VEOR	ZERO.B16, ZERO.B16, ZERO.B16

	MOVD	productTable+0(FP), pTbl
	MOVD	tagMask+8(FP), tMsk
	MOVD	T+16(FP), tPtr
	MOVD	pLen+24(FP), plen
	MOVD	dLen+32(FP), dlen

	VLD1	(tPtr), [ACC0.B16]
	VLD1	(tMsk), [B1.B16]

	LSL	$3, plen

(NilCheck          ptr:(Addr {_} (SB))    _) => ptr
(NilCheck ptr:(Convert (Addr {_} (SB)) _) _) => ptr

// for late-expanded calls, recognize memequal applied to a single constant byte
// Support is limited by 1, 2, 4, 8 byte sizes
(StaticLECall {callAux} sptr (Addr {scon} (SB)) (Const64 [1]) mem)
  && isSameCall(callAux, "runtime.memequal")
  && symIsRO(scon)

		// Copy from the static string data to the [n]byte.
		if len(sc) > 0 {
			sptr := ir.NewUnaryExpr(base.Pos, ir.OSPTR, s)
			sptr.SetBounded(true)
			as := ir.NewAssignStmt(base.Pos, ir.NewStarExpr(base.Pos, p), ir.NewStarExpr(base.Pos, typecheck.ConvNop(sptr, t.PtrTo())))
			appendWalkStmt(init, as)
		}

		// Slice the [n]byte to a []byte.

	MOVOU X3, (16*3)(AX)
	MOVOU X4, (16*4)(AX)
	MOVOU X5, (16*5)(AX)
	MOVQ $0, rptr

	RET
#undef x1in
#undef y1in
#undef z1in
#undef x2in
#undef y2in
#undef xout
#undef yout
#undef zout
#undef s2
#undef z1sqr
#undef h
#undef r
#undef hsqr
#undef rsqr
#undef hcub
#undef rptr
#undef sel_save
#undef zero_save