(SETBCR [1] (FlagGT)) => (MOVDconst [0])
(SETBCR [1] (Flag(LT|EQ))) => (MOVDconst [1])
(SETBCR [2] (FlagEQ)) => (MOVDconst [0])
(SETBCR [2] (Flag(LT|GT))) => (MOVDconst [1])

(SETBC [0] (InvertFlags bool)) => (SETBC [1] bool)
(SETBC [1] (InvertFlags bool)) => (SETBC [0] bool)
(SETBC [2] (InvertFlags bool)) => (SETBC [2] bool)

(SETBCR [0] (InvertFlags bool)) => (SETBCR [1] bool)

			if p.From.Type == obj.TYPE_REG && p.From.Reg == REG_LR {
				return true
			}
		}
	}

	return false
}

// setPCs sets the Pc field in all instructions reachable from p.
// It uses pc as the initial value and returns the next available pc.
func setPCs(p *obj.Prog, pc int64) int64 {
	for ; p != nil; p = p.Link {
		p.Pc = pc
		for _, ins := range instructionsForProg(p) {
			pc += int64(ins.length())

func (rel Reloc) SetType(t objabi.RelocType) { rel.Reloc.SetType(uint16(t)) }
func (rel Reloc) Sym() Sym                   { return rel.l.resolve(rel.r, rel.Reloc.Sym()) }
func (rel Reloc) SetSym(s Sym)               { rel.Reloc.SetSym(goobj.SymRef{PkgIdx: 0, SymIdx: uint32(s)}) }
func (rel Reloc) IsMarker() bool             { return rel.Siz() == 0 }

// Aux holds a "handle" to access an aux symbol record from an
// object file.