}

	case 72: /* slbmte (Rb+Rs -> slb[Rb]) -> Rs, Rb */
		o1 = AOP_RRR(c.oprrr(p.As), uint32(p.From.Reg), 0, uint32(p.To.Reg))

	case 73: /* mcrfs crfD,crfS */
		if p.From.Type != obj.TYPE_REG || p.From.Reg != REG_FPSCR || p.To.Type != obj.TYPE_REG || p.To.Reg < REG_CR0 || REG_CR7 < p.To.Reg {
			c.ctxt.Diag("illegal FPSCR/CR field number\n%v", p)
		}

	si_pid    int32
	si_uid    uint32
	si_status int32
	si_addr   uintptr
	si_value  [4]byte
	_reason   [32]byte
}

type mcontext struct {
	mc_onstack       uint32
	mc_gs            uint32
	mc_fs            uint32
	mc_es            uint32
	mc_ds            uint32
	mc_edi           uint32
	mc_esi           uint32
	mc_ebp           uint32
	mc_isp           uint32
	mc_ebx           uint32

	mc_rbp           uint64
	mc_r10           uint64
	mc_r11           uint64
	mc_r12           uint64
	mc_r13           uint64
	mc_r14           uint64
	mc_r15           uint64
	mc_trapno        uint32
	mc_fs            uint16
	mc_gs            uint16
	mc_addr          uint64
	mc_flags         uint32
	mc_es            uint16
	mc_ds            uint16
	mc_err           uint64
	mc_rip           uint64