86a87,88
> #define WORK_BEGIN(r1,r2) INST(m5_op, r1, r2, work_begin_func)
> #define WORK_END(r1,r2) INST(m5_op, r1, r2, work_end_func)
125a128,129
> SIMPLE_OP(m5_work_begin, WORK_BEGIN(0,1))
> SIMPLE_OP(m5_work_end, WORK_END(0,1))