ISS_MSR_OP2_SHIFT
#define ISS_MSR_OP2_MASK (0x7 << ISS_MSR_OP2_SHIFT)
#define ISS_MSR_OP2(x) (((x) & ISS_MSR_OP2_MASK) >> ISS_MSR_OP2_SHIFT)
((op2) << ISS_MSR_OP2_SHIFT))
((_reg ## _op2) << ISS_MSR_OP2_SHIFT), \
((_reg ## _op2) << ISS_MSR_OP2_SHIFT), \