p = c.cursym.Func().UnspillRegisterArgs(p, c.newprog)
	p = c.ctxt.EndUnsafePoint(p, c.newprog, -1)

	// JMP	start
	p = obj.Appendp(p, c.newprog)

	p.As = AJMP
	p.To.Type = obj.TYPE_BRANCH
	p.To.SetTarget(startPred.Link)
	startPred.Link.Mark |= LABEL
	p.Mark |= BRANCH

	// placeholder for q1's jump target
	p = obj.Appendp(p, c.newprog)

	p.As = obj.ANOP // zero-width place holder

	spfix := obj.Appendp(last, c.newprog)
	spfix.As = obj.ANOP
	spfix.Spadj = -framesize

	pcdata := c.ctxt.EmitEntryStackMap(c.cursym, spfix, c.newprog)
	pcdata = c.ctxt.StartUnsafePoint(pcdata, c.newprog)

	// MOVW	LR, R3
	movw := obj.Appendp(pcdata, c.newprog)
	movw.As = AMOVW
	movw.From.Type = obj.TYPE_REG
	movw.From.Reg = REGLINK
	movw.To.Type = obj.TYPE_REG
	movw.To.Reg = REG_R3

	bls.To.SetTarget(movw)

	q1 := p

	p.As = ABLT
	p.To.Type = obj.TYPE_BRANCH

	p = obj.Appendp(p, c.newprog)
	p.As = obj.ANOP // zero-width place holder

	if q != nil {
		q.To.SetTarget(p)
	}

	// Spill the register args that could be clobbered by the
	// morestack code.

	spill := c.cursym.Func().SpillRegisterArgs(p, c.newprog)

	// MOVD LR, R5
	p = obj.Appendp(spill, c.newprog)

func (ctxt *Link) EmitEntryLiveness(s *LSym, p *Prog, newprog ProgAlloc) *Prog {
	pcdata := ctxt.EmitEntryStackMap(s, p, newprog)
	pcdata = ctxt.EmitEntryUnsafePoint(s, pcdata, newprog)
	return pcdata
}

// Similar to EmitEntryLiveness, but just emit stack map.
func (ctxt *Link) EmitEntryStackMap(s *LSym, p *Prog, newprog ProgAlloc) *Prog {
	pcdata := Appendp(p, newprog)
	pcdata.Pos = s.Func().Text.Pos
	pcdata.As = APCDATA

	spfix := obj.Appendp(last, c.newprog)
	spfix.As = obj.ANOP
	spfix.Spadj = -framesize

	pcdata := c.ctxt.EmitEntryStackMap(c.cursym, spfix, c.newprog)
	pcdata = c.ctxt.StartUnsafePoint(pcdata, c.newprog)

	if q != nil {
		q.To.SetTarget(pcdata)
	}
	bls.To.SetTarget(pcdata)

	spill := c.cursym.Func().SpillRegisterArgs(pcdata, c.newprog)

	// MOV	LR, R3
	movlr := obj.Appendp(spill, c.newprog)
	movlr.As = AMOVD

	spfix.As = obj.ANOP
	spfix.Spadj = -framesize

	pcdata := ctxt.EmitEntryStackMap(cursym, spfix, newprog)
	spill := ctxt.StartUnsafePoint(pcdata, newprog)
	pcdata = cursym.Func().SpillRegisterArgs(spill, newprog)

	call := obj.Appendp(pcdata, newprog)
	call.Pos = cursym.Func().Text.Pos
	call.As = obj.ACALL
	call.To.Type = obj.TYPE_BRANCH
	call.To.Name = obj.NAME_EXTERN

	p = ctxt.EndUnsafePoint(p, newprog, -1)
	p = cursym.Func().UnspillRegisterArgs(p, newprog)

	// JMP start
	p = obj.Appendp(p, newprog)
	p.As = AJAL
	p.To = obj.Addr{Type: obj.TYPE_BRANCH}
	p.From = obj.Addr{Type: obj.TYPE_REG, Reg: REG_ZERO}
	p.To.SetTarget(startPred.Link)

	// placeholder for to_done's jump target
	p = obj.Appendp(p, newprog)
	p.As = obj.ANOP // zero-width place holder

func span0(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) {
	if ctxt.Retpoline {
		ctxt.Diag("-spectre=ret not supported on loong64")
		ctxt.Retpoline = false // don't keep printing
	}

	p := cursym.Func().Text
	if p == nil || p.Link == nil { // handle external functions and ELF section symbols
		return
	}

func span0(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) {
	if ctxt.Retpoline {
		ctxt.Diag("-spectre=ret not supported on mips")
		ctxt.Retpoline = false // don't keep printing
	}

	p := cursym.Func().Text
	if p == nil || p.Link == nil { // handle external functions and ELF section symbols
		return
	}

		return
	}

	if oprange[AAND&obj.AMask] == nil {
		ctxt.Diag("arm ops not initialized, call arm.buildop first")
	}

	c := ctxt5{ctxt: ctxt, newprog: newprog, cursym: cursym, autosize: p.To.Offset + 4}
	pc := int32(0)

	op = p
	p = p.Link
	var m int
	var o *Optab
	for ; p != nil || c.blitrl != nil; op, p = p, p.Link {
		if p == nil {