p.From.Class = 0
	p.To.Class = 0

	c := ctxt5{ctxt: ctxt, newprog: newprog}

	// Rewrite B/BL to symbol as TYPE_BRANCH.
	switch p.As {
	case AB, ABL, obj.ADUFFZERO, obj.ADUFFCOPY:
		if p.To.Type == obj.TYPE_MEM && (p.To.Name == obj.NAME_EXTERN || p.To.Name == obj.NAME_STATIC) && p.To.Sym != nil {
			p.To.Type = obj.TYPE_BRANCH
		}
	}

	// Replace TLS register fetches on older ARM processors.
	switch p.As {

	"internal/abi"
	"log"
	"math"
)

func progedit(ctxt *obj.Link, p *obj.Prog, newprog obj.ProgAlloc) {
	// Rewrite JMP/JAL to symbol as TYPE_BRANCH.
	switch p.As {
	case AJMP,
		AJAL,
		ARET,
		obj.ADUFFZERO,
		obj.ADUFFCOPY:
		if p.To.Sym != nil {
			p.To.Type = obj.TYPE_BRANCH
		}
	}

	// Rewrite float constants to values stored in memory.
	switch p.As {
	case AMOVF:
		if p.From.Type == obj.TYPE_FCONST {

	p.From.Class = 0
	p.To.Class = 0

	c := ctxtz{ctxt: ctxt, newprog: newprog}

	// Rewrite BR/BL to symbol as TYPE_BRANCH.
	switch p.As {
	case ABR, ABL, obj.ARET, obj.ADUFFZERO, obj.ADUFFCOPY:
		if p.To.Sym != nil {
			p.To.Type = obj.TYPE_BRANCH
		}
	}

	// Rewrite float constants to values stored in memory unless they are +0.
	switch p.As {
	case AFMOVS:

		p = obj.Appendp(p, c.newprog)
		q = p
		p.As = ABLO
		p.To.Type = obj.TYPE_BRANCH

		p = obj.Appendp(p, c.newprog)
		p.As = ACMP
		p.From.Type = obj.TYPE_REG
		p.From.Reg = REGRT1
		p.Reg = REGRT2
	}

	// BLS	do-morestack
	bls := obj.Appendp(p, c.newprog)
	bls.As = ABLS
	bls.To.Type = obj.TYPE_BRANCH

	end := c.ctxt.EndUnsafePoint(bls, c.newprog, -1)

	var last *obj.Prog

	c := ctxt0{ctxt: ctxt, newprog: newprog}

	p.From.Class = 0
	p.To.Class = 0

	// Rewrite JMP/JAL to symbol as TYPE_BRANCH.
	switch p.As {
	case AJMP,
		AJAL,
		ARET,
		obj.ADUFFZERO,
		obj.ADUFFCOPY:
		if p.To.Sym != nil {
			p.To.Type = obj.TYPE_BRANCH
		}
	}

	// Rewrite float constants to values stored in memory.
	switch p.As {
	case AMOVF:
		if p.From.Type == obj.TYPE_FCONST {

	p.From.Class = 0
	p.To.Class = 0

	c := ctxt9{ctxt: ctxt, newprog: newprog}

	// Rewrite BR/BL to symbol as TYPE_BRANCH.
	switch p.As {
	case ABR,
		ABL,
		obj.ARET,
		obj.ADUFFZERO,
		obj.ADUFFCOPY:
		if p.To.Sym != nil {
			p.To.Type = obj.TYPE_BRANCH
		}
	}

	// Rewrite float constants to values stored in memory.
	switch p.As {
	case AFMOVS:

			p.To.Type = obj.TYPE_CONST
		}
	}

	// Rewrite CALL/JMP/RET to symbol as TYPE_BRANCH.
	switch p.As {
	case obj.ACALL, obj.AJMP, obj.ARET:
		if p.To.Type == obj.TYPE_MEM && (p.To.Name == obj.NAME_EXTERN || p.To.Name == obj.NAME_STATIC) && p.To.Sym != nil {
			p.To.Type = obj.TYPE_BRANCH
		}
	}

	// Rewrite MOVL/MOVQ $XXX(FP/SP) as LEAL/LEAQ.

			c.To.Offset = -1

			j.To.Type = obj.TYPE_BRANCH

		}

		p := s.Prog(v.Op.Asm())
		p.From.Type = obj.TYPE_REG
		p.From.Reg = divisor
		p.Reg = 0
		p.To.Type = obj.TYPE_REG
		p.To.Reg = dividend

		// signed division, rest of the check for -1 case
		if j != nil {
			j2 := s.Prog(s390x.ABR)
			j2.To.Type = obj.TYPE_BRANCH

			var n *obj.Prog

		p.From.Reg = x86.REG_AX
		p.To.Type = obj.TYPE_REG
		p.To.Reg = x86.REG_AX
		p = s.Prog(x86.AJNE)
		p.To.Type = obj.TYPE_BRANCH
		s.Branches = append(s.Branches, ssagen.Branch{P: p, B: b.Succs[1].Block()})
		if b.Succs[0].Block() != next {
			p := s.Prog(obj.AJMP)
			p.To.Type = obj.TYPE_BRANCH
			s.Branches = append(s.Branches, ssagen.Branch{P: p, B: b.Succs[0].Block()})
		}
	case ssa.BlockExit, ssa.BlockRetJmp:

type AddrType uint8

const (
	TYPE_NONE AddrType = iota
	TYPE_BRANCH
	TYPE_TEXTSIZE
	TYPE_MEM
	TYPE_CONST
	TYPE_FCONST
	TYPE_SCONST
	TYPE_REG
	TYPE_ADDR
	TYPE_SHIFT
	TYPE_REGREG
	TYPE_REGREG2
	TYPE_INDIR
	TYPE_REGLIST
	TYPE_SPECIAL
)

func (a *Addr) Target() *Prog {
	if a.Type == TYPE_BRANCH && a.Val != nil {
		return a.Val.(*Prog)
	}
	return nil
}