if r == 0 {
			r = rt
		}
		o1 |= (uint32(r)&15)<<16 | (uint32(rt)&15)<<12

	case 59: /* movw/bu R<<I(R),R -> ldr indexed */
		if p.From.Reg == 0 {
			c.ctxt.Diag("source operand is not a memory address: %v", p)
			break
		}
		if p.From.Offset&(1<<4) != 0 {
			c.ctxt.Diag("bad shift in LDR")
			break
		}
		o1 = c.olrr(int(p.From.Offset), int(p.From.Reg), int(p.To.Reg), int(p.Scond))
		if p.As == AMOVBU {

}

type PEB struct {
	reserved1              [2]byte
	BeingDebugged          byte
	BitField               byte
	reserved3              uintptr
	ImageBaseAddress       uintptr
	Ldr                    *PEB_LDR_DATA
	ProcessParameters      *RTL_USER_PROCESS_PARAMETERS
	reserved4              [3]uintptr
	AtlThunkSListPtr       uintptr
	reserved5              uintptr
	reserved6              uint32