We don't have it because we haven't implemented an ISA that supports it, so I see no reason not to add it. (It's pretty odd to put a fence in for reads and not want writes to be fenced too.)
Nate On Fri, Feb 6, 2009 at 9:06 PM, Gabe Black <gbl...@eecs.umich.edu> wrote: > I notice that we have static inst flags called IsMemBarrier and > IsWriteBarrier, but no IsReadBarrier or equivalent. Should we? I need > something like that to implement the lfence instruction. > > Gabe > _______________________________________________ > m5-dev mailing list > m5-dev@m5sim.org > http://m5sim.org/mailman/listinfo/m5-dev > > _______________________________________________ m5-dev mailing list m5-dev@m5sim.org http://m5sim.org/mailman/listinfo/m5-dev
