> What I noticed is that if I CC_STATUS_INIT (in xxx_notice_update_cc()) even > for insn that > do not require it (that are almost all of them - being only cmp/fcmp/test > that modify cc0), > cmpdf gets emitted regularly.
If so, you should not be using cc0, but a CCmode register instead. See for example how the fr30 port implements compare-and-jump. I'm currently committing a merge that changes a bit how the compare-and-jumps are realized; if you wait a few hours, you'll get a more up-to-date example. Paolo
